/* styles.css */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --primary-color: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  --primary-light: #e0e7ff;
  --secondary-color: #a855f7; /* Purple */
  --secondary-light: #f3e8ff;
  --success-color: #10b981; /* Emerald */
  --success-light: #d1fae5;
  --warning-color: #f59e0b; /* Amber */
  --warning-light: #fef3c7;
  --danger-color: #ef4444; /* Rose */
  --danger-light: #fee2e2;
  --info-color: #3b82f6; /* Blue */
  --info-light: #dbeafe;
  --bg-color: #f8fafc; /* Slate 50 */
  --bg-hover: #f1f5f9; /* Slate 100 */
  --attendance-not-expected-bg: #e2e8f0; /* Slate 200 - 미등원 학생 배경 (더 어둡게) */
  --sidebar-bg: #ffffff;
  --card-bg: #ffffff;
  --text-main: #0f172a; /* Slate 900 */
  --text-muted: #64748b; /* Slate 500 */
  --border-color: #e2e8f0; /* Slate 200 */
  --border-separator: #94a3b8; /* Slate 400 - slightly darker than e2e8f0 */
  --sidebar-width: 260px;
  --border-radius-sm: 8px;
  --border-radius: 16px;
  --border-radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.04), 0 4px 6px -4px rgb(0 0 0 / 0.04);
  --selected-row-bg: rgba(99, 102, 241, 0.06);
}

[data-theme="dark"] {
  --bg-color: #0b0f19;
  --bg-hover: #111827;
  --attendance-not-expected-bg: #070a12; /* 더 어두운 검정 계열 - 미등원 학생 배경 */
  --sidebar-bg: #111827;
  --card-bg: #1f2937;
  --text-main: #f9fafb;
  --text-muted: #9ca3af;
  --border-color: #374151;
  --border-separator: #4b5563; /* Slate 600 - slightly darker than 374151 */
  --primary-light: #1e1b4b;
  --secondary-light: #2e1065;
  --success-light: #064e3b;
  --warning-light: #78350f;
  --danger-light: #7f1d1d;
  --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
  --selected-row-bg: rgba(99, 102, 241, 0.18);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  transition: background-color 0.3s ease;
}

/* Auth / Login Overlay Styling */
.login-wrapper {
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at 10% 20%, rgb(90, 92, 234) 0%, rgb(32, 45, 142) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 20px;
  animation: fadeIn 0.4s ease-out;
}

[data-theme="dark"] .login-wrapper {
  background: radial-gradient(circle at 10% 20%, #1e1b4b 0%, #03001e 100%);
}

.login-card {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--border-radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  animation: slideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .login-card {
  background: rgba(17, 24, 39, 0.8);
  border-color: rgba(255, 255, 255, 0.08);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login-logo .logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.login-logo .logo-text {
  font-weight: 800;
  font-size: 24px;
  letter-spacing: -0.5px;
  color: #0f172a;
}

[data-theme="dark"] .login-logo .logo-text {
  color: white;
}

.login-logo .logo-text span {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.login-card h2 {
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  color: var(--text-main);
  margin-top: 8px;
}

/* Control Visibility via Body Class */
body.not-logged-in aside, 
body.not-logged-in main {
  display: none !important;
}

body.logged-in .login-wrapper {
  display: none !important;
}

body.logged-in aside {
  display: flex !important;
}

body.logged-in main {
  display: flex !important;
}

/* 편집 버튼 노출은 메뉴별 권한(none/read/edit)을 따르며, app.js 의 applyEditGates 가
   [data-requires-edit] 규칙을 <style id="editGateStyle"> 로 주입해 처리한다.
   예전의 body.role-teacher .admin-only 규칙은 "강사면 무조건 숨김"이라
   읽기 전용/편집 구분을 못 해 제거했다. */

/* Sidebar Styling */
aside {
  width: var(--sidebar-width);
  background-color: var(--sidebar-bg);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 100;
  transition: var(--transition), background-color 0.3s ease;
}

.sidebar-logo {
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.logo-text {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.5px;
}

.logo-text span {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sidebar-menu {
  list-style: none;
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
  overflow-y: auto;
}

.menu-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  border-radius: 10px;
  transition: var(--transition);
}

.menu-item a:hover {
  background-color: var(--bg-color);
  color: var(--primary-color);
}

.menu-item.active a {
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.theme-toggle {
  width: 100%;
  padding: 10px;
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  color: var(--text-main);
  font-weight: 500;
  transition: var(--transition);
}

.theme-toggle:hover {
  background-color: var(--border-color);
}

/* Main Layout */
main {
  margin-left: var(--sidebar-width);
  flex-grow: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

header {
  height: 80px;
  background-color: var(--sidebar-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  position: sticky;
  top: 0;
  z-index: 90;
  transition: background-color 0.3s ease;
}

.header-title h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

#menuToggleBtn {
  display: none;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
}

.user-profile:hover {
  background-color: var(--bg-color);
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  font-weight: 700;
}

.profile-info {
  display: flex;
  flex-direction: column;
}

.profile-name {
  font-weight: 600;
  font-size: 14px;
}

.profile-role {
  font-size: 12px;
  color: var(--text-muted);
}

/* Dashboard Content Grid */
.content-wrapper {
  padding: 32px;
  flex-grow: 1;
}

.tab-content {
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 1s linear infinite;
}

.spinner-border {
  display: inline-block;
  width: 1.25rem;
  height: 1.25rem;
  vertical-align: -0.125em;
  border: 0.2em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

/* KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.kpi-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.kpi-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.kpi-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.kpi-label {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.kpi-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
}

.kpi-change {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.kpi-change.up { color: var(--success-color); }
.kpi-change.down { color: var(--danger-color); }

.kpi-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.kpi-icon.primary { background-color: var(--primary-light); color: var(--primary-color); }
.kpi-icon.secondary { background-color: var(--secondary-light); color: var(--secondary-color); }
.kpi-icon.success { background-color: var(--success-light); color: var(--success-color); }
.kpi-icon.warning { background-color: var(--warning-light); color: var(--warning-color); }

/* Dashboard Sections */
.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

/* 열 비율은 클래스로 준다. index.html 에 인라인 style 로 적으면 아래쪽
   모바일 미디어쿼리(1열로 접기)를 인라인 우선순위가 이겨서 좁은 화면에서도
   2열로 남아 카드가 짓눌린다. */
.dashboard-grid.cols-wide { grid-template-columns: 1.2fr 1fr; }
.dashboard-grid.cols-even { grid-template-columns: 1fr 1fr; }
.dashboard-grid.cols-narrow-left { grid-template-columns: 0.8fr 1.4fr; }

/* 대시보드 캘린더는 한 달을 훑어보는 용도라 작게 둔다.
   날짜 칸이 커봐야 일정 배지 한두 개만 들어가서 공간만 먹는다. */
/* 날짜 칸은 aspect-ratio 로 폭이 높이를 정한다. compact 에서는 비율을 눕히고
   최대 높이를 걸어, 카드가 넓어져도 세로로 커지지 않게 한다. */
.dashboard-calendar.compact .calendar-day-cell {
  aspect-ratio: 1.6;
  min-height: 38px;
  max-height: 58px;
  padding: 3px 4px;
}
.dashboard-calendar.compact .calendar-day-number { font-size: 11px; }
.dashboard-calendar.compact .calendar-event-badge { font-size: 9.5px; padding: 1px 4px; }
.dashboard-calendar.compact .calendar-weekdays { font-size: 11px; }
.dashboard-calendar.compact .calendar-month-title { font-size: 13px; }

.section-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-container {
  position: relative;
  height: 300px;
  width: 100%;
}

/* Lists and Tables Styling */
.quick-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 300px;
  overflow-y: auto;
  /* overflow-y 만 auto 로 두면 가로축은 브라우저가 auto 로 계산한다. 그래서
     .list-item:hover 의 translateX(4px) 가 삐져나오는 순간 가로 스크롤바가 생겼다. */
  overflow-x: hidden;
}

/* "할 일이 없습니다" 같은 안내 줄은 누를 수 있는 항목이 아니므로
   호버 피드백(밀림·배경 변화)을 주지 않는다. */
.list-item.is-empty,
.list-item.is-empty:hover {
  transform: none;
  background-color: transparent;
  cursor: default;
}

.list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  transition: var(--transition);
}

.list-item:hover {
  background-color: var(--bg-color);
  transform: translateX(4px);
}

.item-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.item-badge {
  padding: 4px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
}

.badge-primary { background-color: var(--primary-light); color: var(--primary-color); }
.badge-secondary { background-color: var(--secondary-light); color: var(--secondary-color); }
.badge-success { background-color: var(--success-light); color: var(--success-color); }
.badge-warning { background-color: var(--warning-light); color: var(--warning-color); }
.badge-danger { background-color: var(--danger-light); color: var(--danger-color); }

.item-title {
  font-weight: 600;
  font-size: 14px;
}

.item-subtitle {
  font-size: 12px;
  color: var(--text-muted);
}

.item-right {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

/* Custom Table */
.table-container {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background-color: var(--card-bg); /* Use card-bg to match sticky color theme */
  padding: 16px;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 10;
}

td {
  padding: 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  background-color: var(--card-bg);
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: none;
}

/* 상벌점 내역 표: 컬럼이 많으므로 세로는 촘촘하게, 가로는 값이 서로 붙지 않게 넉넉히 */
.points-log-table {
  table-layout: fixed;
}

.points-log-table th,
.points-log-table td {
  padding: 9px 16px;
}

.points-log-table tbody tr {
  cursor: pointer;
}

.points-log-table tbody tr:hover td {
  background-color: var(--bg-hover);
}

/* 선택 피드백은 배경만으로 준다. 셀마다 테두리를 그리면 컬럼 사이에 줄이 생겨 지저분하다. */
.points-log-table tbody tr.row-selected td {
  background-color: var(--selected-row-bg);
}

.points-log-table tbody tr.row-selected td:first-child {
  box-shadow: inset 3px 0 0 var(--primary-color);
}

/* 학생별 현황 표: 컬럼이 4개뿐이라 기본 여백은 과하다 */
.points-balance-table th,
.points-balance-table td {
  padding: 8px 10px;
}

/* 정렬 가능한 헤더 */
.sortable-th {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color 0.15s ease;
}

.sortable-th:hover {
  color: var(--primary-color);
}

.sort-ind {
  font-size: 10.5px;
  margin-left: 3px;
}

/* 카테고리 편집 */
.pc-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
}

.pc-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
}

.pc-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px;
  min-height: 52px;
  align-content: flex-start;
}

.pc-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 100%;
  padding: 4px 4px 4px 10px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background-color: var(--bg-hover);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-main);
}

.pc-chip-label {
  cursor: text;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pc-chip-label:hover {
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

.pc-chip-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}

.pc-chip-del:hover {
  background-color: var(--danger-light);
  color: var(--danger-color);
}

.pc-chip-edit {
  width: 96px;
  padding: 2px 6px;
  border: 1px solid var(--primary-color);
  border-radius: 14px;
  background-color: var(--card-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 12.5px;
  font-weight: 600;
  outline: none;
}

.pc-add-row {
  display: flex;
  gap: 6px;
  padding: 0 12px 12px;
}

.pc-add-row input {
  flex: 1;
  min-width: 0;
  height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: inherit;
  font-size: 12.5px;
}

.pc-add-row input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.pc-empty {
  font-size: 12px;
  color: var(--text-muted);
  padding: 2px 0;
}

/* 내역 행에서 열리는 작업 메뉴 */
.context-menu {
  position: fixed;
  z-index: 4000;
  min-width: 148px;
  padding: 6px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(15, 23, 42, 0.04);
}

.context-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: none;
  border-radius: 8px;
  background: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: background-color 0.15s ease;
}

.context-menu button:hover {
  background-color: var(--bg-hover);
}

.context-menu button.danger {
  color: var(--danger-color);
}

.context-menu .context-menu-sep {
  height: 1px;
  margin: 4px 6px;
  background-color: var(--border-color);
}

tr:hover td {
  background-color: var(--bg-color);
}

/* Button & Action Bar Styles */
.actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  gap: 16px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  max-width: 320px;
  width: 100%;
  display: flex;
  align-items: center;
}

.search-input-wrapper.attendance-search {
  max-width: 180px;
}

.search-input {
  width: 100%;
  padding: 12px 36px 12px 40px; /* Right padding adjusted to 36px for clear button */
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-main);
  font-size: 14px;
  transition: var(--transition);
}

.search-input:focus {
  border-color: var(--primary-color);
  outline: none;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 16px;
  pointer-events: none;
}

.clear-search-btn {
  position: absolute;
  right: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 50%;
  transition: var(--transition);
}

.clear-search-btn:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.clear-search-btn i {
  width: 14px;
  height: 14px;
}

.btn {
  padding: 12px 20px;
  border-radius: 10px;
  border: none;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

.btn-secondary {
  background-color: var(--bg-color);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

/* Segmented control (e.g. 성적 탭 종합/학생별 대시보드 토글) */
.tab-segment-control .btn {
  background-color: transparent;
  color: var(--text-muted);
}

.tab-segment-control .btn.active {
  background-color: var(--card-bg);
  color: var(--primary-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Grades subtab pills (성취도평가/수학 학습성과/...) */
.grades-subtab-btn.active {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

/* 성적 등록 모달: 학생 검색 자동완성 결과 */
.score-search-result-item {
  padding: 8px 12px;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.score-search-result-item:hover {
  background-color: var(--bg-hover);
}

.score-search-result-empty {
  padding: 12px;
  font-size: 12.5px;
  color: var(--text-muted);
  text-align: center;
}

/* 상벌점 일괄 부여 모달: 대상 원생 체크 목록 */
.points-bulk-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--border-color);
}

.points-bulk-row:last-child {
  border-bottom: none;
}

.points-bulk-row:hover {
  background-color: var(--bg-hover);
}

.points-bulk-row input[type="checkbox"] {
  flex-shrink: 0;
  cursor: pointer;
}

/* 선택 인원 옆 전체 해제(×) 버튼 — 선택이 없으면 JS가 감춘다 */
.points-bulk-clear {
  display: none;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: var(--border-color);
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
}

.points-bulk-clear:hover {
  background-color: var(--danger-color);
  color: #fff;
}

/* 성적 보고서 출력: 학년 선택 칩 */
.grades-print-grade-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background-color: var(--card-bg);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.grades-print-grade-chip:hover {
  background-color: var(--bg-hover);
}

.grades-print-grade-chip:has(input:checked) {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

/* 상벌점 다중 부여: 위쪽 "눌러서 담기" 목록 */
.points-multi-pick {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 12px;
  font-size: 13px;
  text-align: left;
  cursor: pointer;
  background: none;
  border: none;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
}

.points-multi-pick:last-child {
  border-bottom: none;
}

.points-multi-pick:hover {
  background-color: var(--bg-hover);
}

.points-multi-pick-plus {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.points-multi-pick-count {
  margin-left: auto;
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary-color);
  background-color: var(--primary-light, rgba(99, 102, 241, 0.12));
  padding: 1px 7px;
  border-radius: 20px;
}

/* 상벌점 다중 부여: 건별 입력 표 */
.points-multi-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.points-multi-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background-color: var(--bg-hover);
  padding: 6px 8px;
  text-align: left;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.points-multi-table td {
  padding: 5px 6px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.points-multi-table tr:last-child td {
  border-bottom: none;
}

.points-multi-table .form-control {
  height: 30px;
  padding: 2px 6px;
  font-size: 12px;
  width: 100%;
}

.pm-dup,
.pm-del {
  width: 22px;
  height: 22px;
  padding: 0;
  border: none;
  border-radius: 50%;
  background-color: var(--border-color);
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition);
}

.pm-dup:hover {
  background-color: var(--primary-color);
  color: #fff;
}

.pm-del:hover {
  background-color: var(--danger-color);
  color: #fff;
}

/* 매일국어 본문 수 설정 모달: +/- 스테퍼 & 목표점수 배지 */
.dk-bonmun-stepper {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  background: var(--card-bg);
}

.dk-bonmun-stepper input {
  border: none;
  background: transparent;
  text-align: center;
  height: 34px;
  font-size: 13px;
  font-weight: 700;
  -moz-appearance: textfield;
}

.dk-bonmun-stepper input::-webkit-outer-spin-button,
.dk-bonmun-stepper input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.dk-bonmun-stepper-btn {
  width: 30px;
  height: 34px;
  border: none;
  background: var(--bg-hover);
  color: var(--text-muted);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.15s, color 0.15s;
}

.dk-bonmun-stepper-btn:hover {
  background: var(--primary-color);
  color: white;
}

.dk-bonmun-goal-badge {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--primary-color);
  background: color-mix(in srgb, var(--primary-color) 12%, transparent);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.dk-bonmun-override-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
}

.dk-bonmun-override-row:hover {
  background: var(--bg-hover);
}

/* 성적 등록 모달: 일괄 등록 테이블 */
#scoreBulkTableHead th,
#scoreBulkTableBody td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
  white-space: nowrap;
}

#scoreBulkTableBody input {
  width: 64px;
  padding: 4px 6px;
  font-size: 12px;
  border: 1px solid var(--border-color);
  border-radius: 5px;
  background-color: var(--card-bg);
  color: var(--text-main);
  text-align: center;
}

/* 성적 탭: 테이블이 길어져도 헤더가 계속 보이도록 자체 스크롤 영역으로 제한 */
#gradesClassViewContainer .table-container {
  max-height: 640px;
  overflow-y: auto;
}

/* 성적 탭: 인사이트 패널 학년/반 퀵 필터 버튼 */
.insight-filter-group {
  display: inline-flex;
  gap: 4px;
  background-color: var(--bg-hover);
  padding: 3px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.insight-filter-btn {
  padding: 4px 9px;
  font-size: 11px;
  font-weight: 600;
  border: none;
  border-radius: 6px;
  background-color: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.insight-filter-btn.active {
  background-color: var(--card-bg);
  color: var(--primary-color);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.insight-filter-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* 성적 탭: 반 전체 요약 통계 타일 그리드 */
.stat-tile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  width: 100%;
}

.stat-tile {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  padding: 8px 12px;
  height: 58px;
  min-height: 58px;
  max-height: 58px;
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg, #fff);
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
  transition: all 0.15s ease;
}

.stat-tile:hover {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transform: translateY(-1px);
}

.stat-tile-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.stat-tile-value {
  font-size: 14.5px;
  font-weight: 800;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
}

.filter-group {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: nowrap; /* Prevent wrapping to keep grade and class next to search on desktop */
}

.filter-select {
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
  border-color: var(--primary-color);
}

.filter-select.filter-active {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 700;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.4);
  transition: all 0.2s ease-in-out;
}

/* Detail View Layout (Split Pane) */
.split-layout {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 24px;
  align-items: start;
}

.class-assign-grid {
  display: grid;
  grid-template-columns: minmax(500px, 1fr) 320px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1024px) {
  .class-assign-grid {
    grid-template-columns: 1fr;
  }
}

.detail-card {
  position: sticky;
  top: 104px;
}

.profile-detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.profile-large-avatar {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 24px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.detail-info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.detail-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.detail-info-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

.detail-info-val {
  font-size: 14px;
  font-weight: 600;
  word-break: break-all;
}

.detail-section-title {
  font-size: 13.5px;
  font-weight: 700;
  margin: 24px 0 12px 0;
  background-color: var(--primary-light);
  color: var(--primary-color);
  padding: 8px 12px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
  display: flex;
  align-items: center;
  gap: 8px;
  box-sizing: border-box;
}

/* Attendance Module Grid */
.attendance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.attendance-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.attendance-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.attendance-status-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.status-btn {
  padding: 8px 4px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  color: var(--text-muted);
}

.status-btn.present:hover, .status-btn.present.active {
  background-color: var(--success-light);
  color: var(--success-color);
  border-color: var(--success-color);
}

.status-btn.late:hover, .status-btn.late.active {
  background-color: var(--warning-light);
  color: var(--warning-color);
  border-color: var(--warning-color);
}

.status-btn.early:hover, .status-btn.early.active {
  background-color: var(--secondary-light);
  color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.status-btn.absent:hover, .status-btn.absent.active {
  background-color: var(--danger-light);
  color: var(--danger-color);
  border-color: var(--danger-color);
}

/* Timetable styling */
.timetable-grid {
  display: grid;
  grid-template-columns: 80px repeat(5, 1fr);
  gap: 12px;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: 12px;
  background-color: var(--card-bg);
}

.timetable-header {
  font-weight: 700;
  text-align: center;
  padding: 12px;
  background-color: var(--bg-color);
  border-radius: 8px;
  font-size: 14px;
}

.timetable-time-label {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
  border-right: 1px dashed var(--border-color);
}

.timetable-cell {
  background-color: var(--bg-color);
  border-radius: 8px;
  padding: 12px;
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid transparent;
  transition: var(--transition);
}

.timetable-cell.active-class {
  background-color: var(--primary-light);
  border-left: 4px solid var(--primary-color);
  color: var(--primary-color);
  border-top-color: var(--border-color);
  border-right-color: var(--border-color);
  border-bottom-color: var(--border-color);
}

.timetable-cell.active-class-secondary {
  background-color: var(--secondary-light);
  border-left: 4px solid var(--secondary-color);
  color: var(--secondary-color);
  border-top-color: var(--border-color);
  border-right-color: var(--border-color);
  border-bottom-color: var(--border-color);
}

.timetable-cell-title {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 4px;
}

.timetable-cell-info {
  font-size: 11px;
  color: var(--text-muted);
}

/* Modal form */
body:has(.modal.show) {
  overflow: hidden;
}

.modal {
  overscroll-behavior: contain;
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.2s ease-out;
}

.modal.show {
  display: flex;
}

.modal-content {
  overscroll-behavior: contain;
  background-color: var(--card-bg);
  border-radius: var(--border-radius);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal-close {
  position: absolute;
  right: 24px;
  top: 24px;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  background: none;
  border: none;
}

/* .modal-header 에는 규칙이 아예 없어서 제목과 닫기(×)가 그냥 흐름대로 쌓였다.
   ×가 제목 옆이나 아래에 어정쩡하게 놓이던 원인. */
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* .modal-close 는 absolute 로 모서리에 붙지만 .closeModalBtn 은 규칙이 없었다.
   같은 위치·크기로 맞춘다.
   단, 푸터의 "취소/닫기"도 .closeModalBtn 을 달고 있다(.btn .btn-secondary 와 겸용).
   :not(.btn) 이 없으면 여기 규칙이 뒤에 와서 배경·테두리를 지우고 글자만 24px로 키운다. */
.closeModalBtn:not(.btn) {
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 0 4px;
  flex-shrink: 0;
}
.closeModalBtn:not(.btn):hover,
.modal-close:hover {
  color: var(--text-main);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.form-control {
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-color);
  color: var(--text-main);
  font-size: 14px;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* Consult List Cards */
.consult-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.consult-card {
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: row;
  gap: 24px;
}

.consult-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
}

.consult-body {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-main);
}

.consult-footer {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* RESPONSIVE DESIGN RULES FOR MOBILE */
@media (max-width: 1024px) {
  /* cols-wide/cols-even 도 함께 눌러야 한다. `.dashboard-grid` 만 적으면
     선택자가 한 수 낮아 두 클래스가 그대로 2열을 유지한다. */
  .dashboard-grid,
  .dashboard-grid.cols-wide,
  .dashboard-grid.cols-even,
  .dashboard-grid.cols-narrow-left {
    grid-template-columns: 1fr;
  }
  
  .split-layout {
    grid-template-columns: 1fr;
  }
  
  .consult-card {
    flex-direction: column;
    gap: 16px;
  }
  
  .detail-card {
    position: static;
  }
}

@media (max-width: 768px) {
  .filter-group {
    flex-wrap: wrap;
    width: 100%;
  }
  .search-input-wrapper.attendance-search {
    max-width: 100%;
  }
  .filter-group > * {
    flex-grow: 1;
  }
  aside {
    left: -260px;
  }
  
  aside.show-sidebar {
    left: 0;
    box-shadow: 10px 0 30px rgba(0, 0, 0, 0.25);
  }
  
  #sidebarCloseBtn {
    display: flex !important;
  }
  
  main {
    margin-left: 0;
  }
  
  #menuToggleBtn {
    display: flex !important;
  }
  
  header {
    padding: 0 16px;
  }
  
  .content-wrapper {
    padding: 16px;
  }
  
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  
  .dashboard-grid {
    gap: 16px;
  }
  
  .timetable-grid {
    font-size: 12px;
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }
  
  .avatar {
    width: 32px;
    height: 32px;
    font-size: 12px;
  }
  
  .profile-name {
    font-size: 12px;
  }
  
  .profile-role {
    font-size: 10px;
  }
  
  .form-row {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }
}

/* Selected student row style */
.selected-row {
  font-weight: 600;
}
.selected-row td {
  background-color: var(--selected-row-bg) !important;
  color: var(--primary-color) !important;
}
.selected-row td strong {
  color: var(--primary-color) !important;
}
.selected-row td:first-child {
  border-left: 5px solid var(--primary-color) !important;
}

/* PC/Desktop Layout for Students & Points Tabs - Independent Scrolling */
@media (min-width: 1025px) {
  #students.tab-content, #points.tab-content {
    height: calc(100vh - 80px - 64px - 24px); /* Viewport minus header and wrapper padding */
    display: none;
    flex-direction: column;
    overflow: hidden;
  }
  
  #students.tab-content.active, #points.tab-content.active {
    display: flex;
  }
  
  #students .actions-bar, #points .actions-bar {
    flex-shrink: 0;
  }

  #students .split-layout, #points .split-layout {
    flex-grow: 1;
    height: 0; /* Forces height calculations based on flex parent container */
    align-items: stretch;
  }
  
  #students .split-layout > .section-card:first-child, #points .split-layout > .section-card:first-child {
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }
  
  #students .split-layout > .section-card:first-child .table-container, #points .split-layout > .section-card:first-child .table-container {
    flex-grow: 1;
    overflow-y: auto;
  }
  
  #students .split-layout > .detail-card, #points .split-layout > .section-card:last-child {
    height: 100%;
    overflow-y: auto;
    position: static; /* Disable sticky to allow scrolling within the flex pane */
  }
}

/* Dynamic Edit Timetable Styles */
.timetable-edit-table th, .timetable-edit-table td {
  border-bottom: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
  padding: 12px;
  vertical-align: top;
  white-space: normal;
  word-break: break-all;
  background-clip: padding-box;
}

.timetable-edit-table td:last-child, .timetable-edit-table th:last-child {
  border-right: none;
}

.timetable-period-label {
  text-align: center;
  font-weight: 700;
  color: var(--text-main);
  background-color: var(--bg-color);
  vertical-align: middle !important;
}

.timetable-cell-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 8px;
  min-height: 130px;
  position: relative;
  transition: var(--transition);
}

.timetable-cell-container:hover {
  border-color: var(--primary-color);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.08);
}

.timetable-cell-select, .timetable-cell-input {
  width: 100%;
  padding: 6px 8px;
  font-size: 11px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-main);
}

.timetable-cell-select:focus, .timetable-cell-input:focus {
  border-color: var(--primary-color);
  outline: none;
}

.timetable-cell-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.timetable-cell-period-text {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.timetable-clear-btn {
  background: none;
  border: none;
  color: var(--danger-color);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
  transition: var(--transition);
}

.timetable-clear-btn:hover {
  opacity: 1;
  background-color: rgba(239, 68, 68, 0.1);
}

/* Unified Grid Timetable Cells Compaction */
.timetable-cell-container input, .timetable-cell-container select {
  font-size: 11px !important;
  padding: 3px 6px !important;
  height: 24px !important;
  border-radius: 4px !important;
  border: 1px solid var(--border-color) !important;
  background-color: var(--card-bg) !important;
  color: var(--text-main) !important;
}

.timetable-cell-container input:focus, .timetable-cell-container select:focus {
  border-color: var(--primary-color) !important;
  outline: none !important;
}

/* Day Filter Bar Button Active Style */
.day-filter-bar button.active {
  background-color: var(--primary-color) !important;
  color: white !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 4px 10px rgba(99, 102, 241, 0.2);
}

/* ─── 시간표 탭 가로 스크롤 보정 ─── */
#classes .section-card {
  width: 100% !important;
  max-width: 100% !important;
  overflow-x: auto !important;
  display: block !important;
}

/* ─── A4 가로 인쇄 (@media print) 최적화 ─── */
@media print {
  /* 브라우저 화면의 모든 레이아웃 숨김 */
  body * {
    visibility: hidden;
  }
  
  /* 시간표 탭의 테이블 영역만 강제로 보이게 함 */
  #classes, #classes * {
    visibility: visible;
  }

  /* 인쇄 전용 위치 및 마진 조정 */
  #classes {
    position: absolute !important;
    left: 0 !important;
    top: 0 !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  /* 인쇄할 필요가 없는 제어 요소(버튼 바, 요일 필터, 클리어 아이콘 등) 제거 */
  .actions-bar, 
  .day-filter-bar, 
  .timetable-clear-btn,
  #toggleTimetableEditModeBtn,
  #printTimetableBtn,
  [data-requires-edit] {
    display: none !important;
  }

  /* A4 가로 프린트 강제 지정 및 10mm 여백 제공 */
  @page {
    size: A4 landscape;
    margin: 10mm 10mm 10mm 10mm;
  }

  /* 테이블 규격 및 선명도 조절 */
  .timetable-edit-table {
    min-width: 100% !important;
    width: 100% !important;
    border: 1px solid var(--border-color) !important;
    border-collapse: collapse !important;
  }
  
  .timetable-edit-table th, 
  .timetable-edit-table td {
    border: 1px solid var(--border-color) !important;
    padding: 6px !important;
    font-size: 11px !important;
    color: #000 !important;
    background-color: transparent !important;
    background-clip: padding-box !important;
  }

  /* 조회 카드 글자 굵기 및 흑백 선명화 */
  .print-cell-text {
    font-weight: 800 !important;
    font-size: 12px !important;
    color: #000 !important;
  }

  /* 인쇄 시 시간대 입력창을 일반 텍스트로 투명하게 렌더링 */
  .start-time-input,
  .end-time-input {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    padding: 0 !important;
    height: auto !important;
    font-size: 11px !important;
    color: #000 !important;
    font-weight: 800 !important;
  }
}

/* Timetable Card Item Hover effect */
.timetable-card-item {
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease !important;
}
.timetable-card-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  border-color: rgba(99, 102, 241, 0.4) !important;
}
.timetable-card-item:hover .edit-icon-hover {
  opacity: 0.7 !important;
}
.timetable-card-item .edit-icon-hover:hover {
  opacity: 1 !important;
  color: var(--primary-color) !important;
}

/* Empty Timetable Cell Hover registration trigger (+) */
.empty-cell-placeholder:hover {
  opacity: 1 !important;
  color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
  background-color: rgba(99, 102, 241, 0.03) !important;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.1);
}

/* Print Styles for A4 Landscape */
@media print {
  @page {
    size: A4 landscape;
    margin: 15mm 25mm !important; /* 상하 15mm, 좌우 25mm의 넉넉하고 확고한 마진 강제 */
  }
  
  html, body {
    height: 100% !important;
    max-height: 100vh !important;
    overflow: hidden !important;
    background: white !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  
  body {
    margin: 0 !important;
    padding: 5mm 0 !important; /* 상하 여백 5mm만 보장하여 1페이지 안전 안착 */
    box-sizing: border-box !important;
  }
  
  /* Hide non-printable elements */
  .sidebar, 
  .top-header, 
  .actions-bar, 
  .modal, 
  #customDialogModal, 
  .closeModalBtn, 
  .btn, 
  #weekPickerInput {
    display: none !important;
  }
  
  .edit-time-container {
    display: none !important;
  }
  
  .print-time-text {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: center !important;
    text-align: center !important;
    font-weight: 700 !important;
    font-size: 11px !important;
  }
  
  .main-wrapper, 
  main, 
  .tab-content {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
    width: 100% !important;
    display: block !important;
  }
  
  .section-card {
    position: static !important;
    transform: scale(0.96) !important; /* 물리적 96% 축소로 좌우 마진을 기존의 절반으로 적절하게 타이트화 */
    transform-origin: top center !important;
    width: 95% !important; /* 가로폭을 95%로 넓혀 마진 크기를 절반 수준으로 조율 */
    margin: 0 auto !important;
    margin-top: 35mm !important;
    padding: 0 !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02) !important;
    background: white !important;
    display: block !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  
  * {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  
  #timetableMainTable {
    width: 100% !important;
    min-width: 0 !important;
    max-height: 80vh !important;
    overflow: hidden !important;
    table-layout: fixed !important;
    border: 1px solid var(--border-color) !important;
    border-collapse: collapse !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }
  
  #timetableMainTable th, 
  #timetableMainTable td {
    padding: 6px 4px !important;
    font-size: 10px !important;
    min-width: 0 !important;
    border: 1px solid var(--border-color) !important;
    word-break: break-all !important;
    white-space: normal !important;
    vertical-align: middle !important;
    background-clip: padding-box !important;
  }
  
  
  #timetableMainTable thead th[colspan] {
    background-color: #e0f2fe !important;
    color: #0369a1 !important;
    font-weight: 800 !important;
  }
  
  /* 반 헤더 인쇄 배경색 및 텍스트 칼라 강제 설정 (클래스 기반) */
  .print-class-cell {
    background: #f0f9ff !important; /* 브라우저 강제 투명화 극복 */
    background-color: #f0f9ff !important;
    color: #0369a1 !important;
    font-weight: 700 !important;
  }
  
  /* 시간 셀 배경색 강제 설정 (중간 연노랑 톤온톤 조율) */
  #timetableMainTable td.print-time-cell {
    background: #fefcbf !important; /* 브라우저 강제 투명화 극복 */
    background-color: #fefcbf !important;
    color: #854d0e !important;
    font-weight: 700 !important;
  }
  
  /* 비어있는 시간표 셀 옅은 회색 배경 강제 설정 (td 수준으로 우선순위 극대화) */
  #timetableMainTable td.print-empty-cell {
    background: #f1f5f9 !important; /* 브라우저 강제 투명화 극복 */
    background-color: #f1f5f9 !important;
    color: var(--text-muted) !important;
  }
  
  /* 코너 및 시간 헤더 셀 인쇄 배경색 강제 설정 (파스텔 노랑 헤더 유지) */
  #timetableMainTable th[rowspan="2"] {
    background: #fef9c3 !important; /* 브라우저 강제 투명화 극복 */
    background-color: #fef9c3 !important;
    color: #854d0e !important;
    font-weight: 800 !important;
  }
  
  #timetableMainTable thead th {
    font-weight: 700 !important;
  }
  
  /* Adjust font sizes inside table cells during print */
  .print-cell-text {
    font-size: 13.5px !important;
    font-weight: 800 !important;
  }
  
  .print-cell-text + div {
    font-size: 9px !important;
    font-weight: 600 !important;
    color: #444 !important; /* 강사명 인쇄 색상 선명화 */
  }
  
  .print-cell-text + div + div {
    font-size: 8.5px !important;
    color: #666 !important; /* 강의실명 인쇄 색상 선명화 */
  }


}

/* 시간표 드래그앤드롭 스타일 피드백 */
#timetableMainTable td.dragging {
  opacity: 0.45 !important;
  border: 2px dashed var(--primary-color) !important;
}

#timetableMainTable td.drag-over {
  background: rgba(56, 189, 248, 0.12) !important; /* 소프트 네온 블루 배경 */
  border: 2px dashed #0284c7 !important;            /* 아웃라인 피드백 */
  box-shadow: inset 0 0 10px rgba(14, 165, 233, 0.15) !important;
}



/* 시간표 셀 드래그 선택 방지 */
#timetableMainTable td {
  user-select: none !important;
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
}

/* 시간표 범위 선택 하이라이트 스타일 */
#timetableMainTable td.selected-cell {
  border: 2px solid var(--primary-color) !important;
  background-color: rgba(56, 189, 248, 0.15) !important;
  box-shadow: inset 0 0 8px rgba(14, 165, 233, 0.2) !important;
}

/* 병합 셀 내부 분할 격자 hover 스타일 */
#timetableMainTable td .grid-sub-cell {
  cursor: pointer;
  transition: background-color 0.1s ease, border-color 0.1s ease, box-shadow 0.1s ease;
}
#timetableMainTable td .grid-sub-cell:hover {
  background-color: rgba(99, 102, 241, 0.05) !important;
  border: 1px solid rgba(99, 102, 241, 0.35) !important;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.1) !important;
}

/* 일반 1x1 셀(td) 마우스 호버 시 피드백 제공 */
#timetableMainTable td.print-empty-cell:hover,
#timetableMainTable td:not(.print-empty-cell):not([colspan]):not([rowspan]):hover {
  background-color: rgba(99, 102, 241, 0.05) !important;
  outline: 1.5px solid rgba(99, 102, 241, 0.35) !important;
  outline-offset: -1.5px;
  box-shadow: inset 0 0 0 1px rgba(99, 102, 241, 0.1) !important;
  cursor: pointer;
  transition: background-color 0.1s ease, outline 0.1s ease, box-shadow 0.1s ease;
}

@keyframes pulse-clash {
  0% { border-color: #ef4444; }
  50% { border-color: #fca5a5; }
  100% { border-color: #ef4444; }
}

/* iOS Style Switch Slider */
.switch .slider {
  border: 1.5px solid #cbd5e1 !important;
  box-sizing: border-box;
}
.switch input:checked + .slider {
  background-color: var(--primary-color) !important;
  border-color: var(--primary-color) !important;
}
.switch .slider:before {
  position: absolute;
  content: "";
  height: 14px;
  width: 14px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .3s;
  border-radius: 50%;
}
.switch input:checked + .slider:before {
  transform: translateX(18px);
}

/* 시간표 오류 감지 카드 이동 및 상태 변경 애니메이션 */
@keyframes slideDownToBottom {
  0% {
    opacity: 0.3;
    transform: translateY(-20px) scale(0.98);
  }
  100% {
    opacity: 0.65;
    transform: translateY(0) scale(1);
  }
}

@keyframes slideUpToActive {
  0% {
    opacity: 0.3;
    transform: translateY(20px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.clash-card-ignored-animate {
  animation: slideDownToBottom 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.clash-card-active-animate {
  animation: slideUpToActive 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideOutDown {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(25px);
  }
}

@keyframes slideOutUp {
  0% {
    opacity: 0.65;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-25px);
  }
}

.clash-card-exit-ignored {
  animation: slideOutDown 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: none;
}

.clash-card-exit-active {
  animation: slideOutUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  pointer-events: none;
}

/* 시간표 선택된 셀 스타일 */
#timetableMainTable td.selected-cell {
  border: 2.5px solid var(--primary-color) !important;
  background-color: rgba(56, 189, 248, 0.18) !important;
  box-shadow: inset 0 0 8px rgba(14, 165, 233, 0.3) !important;
}

/* 시간표 병합 셀 내부의 선택된 서브 셀 스타일 */
#timetableMainTable td .grid-sub-cell.selected-sub-cell {
  background-color: rgba(56, 189, 248, 0.18) !important;
  border: 1.5px solid var(--primary-color) !important;
  box-shadow: inset 0 0 6px rgba(14, 165, 233, 0.25) !important;
}

/* 요일 간 구분선 세로선 강조 */
#timetableMainTable th.weekday-separator-cell,
#timetableMainTable td.weekday-separator-cell {
  border-right: 1.5px solid var(--border-separator) !important;
}

#timetableMainTable th.weekday-separator-left-cell,
#timetableMainTable td.weekday-separator-left-cell {
  border-left: 1.5px solid var(--border-separator) !important;
}

/* 시간표 충돌 강조 스타일 (구분 세로선보다 아래에 정의하여 화면 겹침 시 빨간 테두리가 항상 최상위에 노출되도록 처리) */
#timetableMainTable td.clash-cell {
  border: 2.5px solid #f87171 !important;
}

#timetableMainTable td.clash-cell-active {
  border: 2.5px solid #ef4444 !important;
  background-color: rgba(239, 68, 68, 0.12) !important;
}

/* ─── 인쇄 시 최종 덮어쓰기 스타일 (최하단 배치) ─── */
@media print {
  /* 인쇄 시 테이블 테두리 겹침 및 불균일 방지: separate로 안정화하고 1px 테두리 고정 */
  #timetableMainTable {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    border-radius: 0 !important;
    border-top: 1px solid var(--border-color) !important;
    border-left: 1px solid var(--border-color) !important;
    border-right: none !important;
    border-bottom: none !important;
  }

  /* 인쇄 시 둥근 모서리(border-radius) 제거 */
  .section-card,
  #timetableMainTable td,
  #timetableMainTable th,
  .grid-sub-cell {
    border-radius: 0 !important;
  }

  /* 인쇄 시 각 셀의 테두리는 우측과 하단에만 1px 부여하여 중복선 제거 */
  #timetableMainTable th,
  #timetableMainTable td {
    border-right: 1px solid var(--border-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-left: none !important;
    border-top: none !important;
  }

  /* 인쇄 시 충돌(clash) 빨간 테두리 제거 및 기본 테두리로 대체 */
  #timetableMainTable td.clash-cell,
  #timetableMainTable td.clash-cell-active {
    border-right: 1px solid var(--border-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-left: none !important;
    border-top: none !important;
    background-color: transparent !important;
  }

  /* 인쇄 시 선택 영역(selected-cell) 파란색 강조 테두리 및 배경 제거 */
  #timetableMainTable td.selected-cell,
  #timetableMainTable td.selected-cell-active,
  #timetableMainTable td .grid-sub-cell.selected-sub-cell {
    border-right: 1px solid var(--border-color) !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-left: none !important;
    border-top: none !important;
    background-color: transparent !important;
    box-shadow: none !important;
  }
  
  #timetableMainTable td .grid-sub-cell.selected-sub-cell {
    border: none !important;
  }

  /* 인쇄 시 마우스 호버 피드백 제거 */
  #timetableMainTable td:hover,
  #timetableMainTable td.print-empty-cell:hover,
  #timetableMainTable td:not(.print-empty-cell):not([colspan]):not([rowspan]):hover,
  #timetableMainTable td .grid-sub-cell:hover {
    outline: none !important;
    box-shadow: none !important;
  }
  
  #timetableMainTable td:not(.print-empty-cell):not([colspan]):not([rowspan]):hover {
    background-color: unset !important;
  }
  
  #timetableMainTable td .grid-sub-cell:hover {
    border: none !important;
    background-color: transparent !important;
  }

  /* 인쇄 시 요일 간 구분선 세로선 약간 진하게 유지 (두께 1.5px 적용) */
  #timetableMainTable th.weekday-separator-cell,
  #timetableMainTable td.weekday-separator-cell {
    border-right: 1.5px solid var(--border-separator) !important;
  }
  
  #timetableMainTable th.weekday-separator-left-cell,
  #timetableMainTable td.weekday-separator-left-cell {
    border-left: none !important;
  }
}

/* ──────────────────────────────────────────────────────────────────────
   DASHBOARD 2.0 STYLE SPECIFICATIONS
   ────────────────────────────────────────────────────────────────────── */
.dashboard-calendar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}
.calendar-month-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-color);
}
.calendar-nav-btn {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  color: var(--text-color);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.calendar-nav-btn:hover {
  background-color: var(--bg-hover);
}
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-weight: 600;
  font-size: 12px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 6px;
}
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.calendar-day-cell {
  aspect-ratio: 1.1;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 4px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 52px;
  background-color: var(--bg-alt);
  position: relative;
}
.calendar-day-cell:hover {
  background-color: var(--bg-hover);
  border-color: var(--border-color);
}
.calendar-day-cell.other-month {
  opacity: 0.25;
}
.calendar-day-cell.today {
  border-color: var(--primary-color);
  background-color: var(--primary-light);
  color: var(--primary-color);
  font-weight: 700;
}
.calendar-day-cell.selected {
  border-color: var(--secondary-color);
  background-color: var(--secondary-light);
}
.calendar-day-number {
  align-self: flex-start;
}
.calendar-day-events {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
}
.calendar-event-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--primary-color);
  display: inline-block;
  margin: 1px;
}
.calendar-event-badge {
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  color: white;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  max-width: 100%;
  text-align: center;
  font-weight: 600;
  line-height: 1.1;
}

/* Tasks & Notices Styles */
.task-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  border-radius: 8px;
  background-color: var(--bg-alt);
  border: 1px solid var(--border-color);
  margin-bottom: 8px;
}
.task-item.completed {
  opacity: 0.6;
}
.task-item.completed .task-title {
  text-decoration: line-through;
  color: var(--text-muted);
}
.task-content-left {
  display: flex;
  align-items: center;
  gap: 12px;
}
.task-title {
  font-weight: 600;
  font-size: 13px;
}
.task-meta {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}
.task-actions {
  display: flex;
  gap: 8px;
}
.project-progress-container {
  background-color: var(--border-color);
  border-radius: 6px;
  height: 8px;
  width: 100%;
  overflow: hidden;
  margin: 6px 0;
}
.project-progress-bar {
  background-color: var(--success-color);
  height: 100%;
  transition: width 0.3s ease;
}

/* --- Premium KPI Hold Students Badge & Custom Tooltip --- */
#kpiHoldStudentsWrapper {
  position: relative;
  overflow: visible !important;
  background-color: rgba(245, 158, 11, 0.07) !important; /* Soft Amber Tint */
  color: #d97706 !important; /* Premium Amber Text */
  border: 1px solid rgba(245, 158, 11, 0.15) !important;
  border-radius: 6px;
  padding: 4px 8px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

#kpiHoldStudentsWrapper:hover {
  background-color: rgba(245, 158, 11, 0.14) !important;
  color: #b45309 !important;
  border-color: rgba(245, 158, 11, 0.3) !important;
  transform: translateY(-1px);
}

[data-theme="dark"] #kpiHoldStudentsWrapper {
  background-color: rgba(245, 158, 11, 0.12) !important;
  color: #fbbf24 !important;
  border-color: rgba(245, 158, 11, 0.25) !important;
}

[data-theme="dark"] #kpiHoldStudentsWrapper:hover {
  background-color: rgba(245, 158, 11, 0.22) !important;
  color: #fbbf24 !important;
}

#kpiHoldStudentsWrapper .custom-tooltip {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 135%;
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  color: var(--text-color);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 11px;
  font-weight: 600;
  box-shadow: var(--shadow-lg, 0 10px 25px rgba(0,0,0,0.12));
  white-space: nowrap;
  z-index: 1000;
  transition: opacity 0.15s cubic-bezier(0.4, 0, 0.2, 1), transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  line-height: 1.4;
  text-align: left;
}

#kpiHoldStudentsWrapper .custom-tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: var(--border-color) transparent transparent transparent;
}

/* Beautiful tooltip pointer highlight and content alignment */
#kpiHoldStudentsWrapper:hover .custom-tooltip {
  visibility: visible;
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Premium Weekday Selector Pills --- */
.day-pills-container {
  display: flex;
  gap: 8px;
  margin-top: 6px;
  width: 100%;
}
.day-pill-label {
  cursor: pointer;
  flex: 1;
}
.day-pill-input {
  display: none !important; /* Hide native checkbox */
}
.day-pill-span {
  display: block;
  text-align: center;
  padding: 10px 0;
  background-color: var(--bg-hover, #f3f4f6);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}
.day-pill-input:checked + .day-pill-span {
  background-color: var(--primary-color) !important;
  color: white !important;
  border-color: var(--primary-color) !important;
  box-shadow: 0 4px 10px rgba(79, 70, 229, 0.25);
}
.day-pill-span:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}
[data-theme="dark"] .day-pill-span {
  background-color: #1e293b;
}
[data-theme="dark"] .day-pill-span:hover {
  background-color: #334155;
}

/* IDEA Grade Evaluation Tooltip */
.idea-grade-help-wrap:hover .idea-grade-tooltip-box {
  visibility: visible !important;
  opacity: 1 !important;
  transform: translateY(-4px) !important;
}

/* Sticky Controls inside Header when scrolling on Grades Tab */
#headerStickySlot {
  display: none;
  flex: 1;
  align-items: center;
  justify-content: flex-start;
  margin: 0 24px;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  animation: fadeIn 0.2s ease;
}
#headerStickySlot::-webkit-scrollbar {
  display: none;
}
#headerStickySlot #gradesTopControlsBar {
  border-bottom: none !important;
  padding-bottom: 0 !important;
  margin-bottom: 0 !important;
  gap: 8px !important;
  width: auto !important;
  flex-wrap: nowrap !important;
}
#headerStickySlot #gradesTopControlsBar .tab-segment-control {
  flex-shrink: 0;
}
#headerStickySlot #gradesTopControlsBar #gradesFilterControls {
  flex-shrink: 0;
  flex-wrap: nowrap;
}
@media (max-width: 1200px) {
  #headerStickySlot {
    margin: 0 10px;
  }
}/* Needs Counseling Tooltip */
.counsel-tooltip-wrap:hover .counsel-tooltip-box {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}
.counsel-tooltip-box {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  top: 100%;
  left: 0;
  transform: translateY(8px);
  background-color: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 12px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg, 0 10px 25px rgba(0,0,0,0.12));
  z-index: 1050;
  min-width: 250px;
  transition: opacity 0.15s ease, transform 0.15s ease;
  pointer-events: none;
}

/* 신규생 상담 서브카테고리 툴팁 */
.subcat-tooltip-wrap:hover .subcat-tooltip-box {
  visibility: visible;
  opacity: 1;
}
.subcat-tooltip-box {
  visibility: hidden;
  opacity: 0;
  position: absolute;
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  background-color: #334155;
  color: #ffffff;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 100;
}
.subcat-tooltip-box::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -4px;
  border-width: 4px;
  border-style: solid;
  border-color: #334155 transparent transparent transparent;
}

/* 신규생 상담 서브카테고리 버튼 상태 스타일 */
.subcat-btn-outline {
  background-color: var(--bg-color);
  border: 1px solid var(--border-separator);
  color: var(--text-main);
}
.subcat-btn-outline:hover:not(:disabled) {
  background-color: var(--bg-hover);
  border-color: var(--primary-color);
  color: var(--primary-color);
}
.subcat-btn-selected {
  background-color: var(--primary-color) !important;
  border: 1px solid var(--primary-color) !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

.hover-card-effect {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease !important;
}
.hover-card-effect:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.08) !important;
  border-color: var(--primary-color) !important;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.animate-fade-in {
  opacity: 0;
  animation: fadeSlideIn 0.3s ease-out forwards;
}

/* ─── 알림 설정 모달 ────────────────────────────────────────────────
   푸시 켜기/끄기 버튼이 알림 머리말에 붙어 있던 것을 톱니 -> 이 모달로 옮겼다.
   행 구조가 폰 시트(mobile.css 의 .m-set-row)와 같은 모양이 되도록 맞춘다. */
.noti-set-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 15px 0; border-bottom: 1px solid var(--border-color);
}
.noti-set-row:last-child { border-bottom: none; }
.noti-set-title {
  font-size: 13.5px; font-weight: 700; display: flex; align-items: center; gap: 7px;
}
.noti-set-sub {
  font-size: 12px; color: var(--text-muted); margin-top: 4px; line-height: 1.5;
}
/* 잠긴 행(지금은 시간대). 바꿀 수 없다는 걸 눈으로 알 수 있게 흐리게 둔다. */
.noti-set-row.is-locked .noti-set-title { color: var(--text-muted); }

.noti-set-link {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: none; border: none; border-top: 1px solid var(--border-color);
  padding: 15px 0 6px; cursor: pointer; color: var(--text-main);
  font-size: 13.5px; font-weight: 700;
}
.noti-set-link:hover { color: var(--primary-color); }

/* 잠금 상태를 보여 주는 스위치. disabled 라 클릭은 먹지 않는다. */
.noti-switch { position: relative; display: inline-block; width: 42px; height: 24px; flex: 0 0 auto; cursor: pointer; }
.noti-switch input { opacity: 0; width: 0; height: 0; }
.noti-switch span {
  position: absolute; inset: 0; border-radius: 24px; background: var(--border-color);
  transition: background 0.2s;
}
.noti-switch span::before {
  content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px;
  border-radius: 50%; background: #fff; transition: transform 0.2s;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.noti-switch input:checked + span { background: var(--primary-color); }
.noti-switch input:checked + span::before { transform: translateX(18px); }
.noti-switch input:disabled + span { opacity: 0.55; cursor: not-allowed; }