@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  color-scheme: light;

  --font-display: "SF Pro Display", "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-text: "SF Pro Text", "Segoe UI", Inter, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", Consolas, monospace;

  --color-primary: #0066cc;
  --color-primary-hover: #0071e3;
  --color-primary-dark: #004f9f;
  --color-primary-soft: rgba(0, 102, 204, 0.12);
  --color-primary-outline: rgba(0, 102, 204, 0.2);
  --color-accent: #2997ff;
  --color-success: #11875d;
  --color-success-soft: rgba(17, 135, 93, 0.12);
  --color-warning: #b96a00;
  --color-warning-soft: rgba(185, 106, 0, 0.12);
  --color-danger: #c43c2f;
  --color-danger-soft: rgba(196, 60, 47, 0.12);
  --color-info: #2454cc;
  --color-info-soft: rgba(36, 84, 204, 0.12);

  --color-ink: #1d1d1f;
  --color-ink-strong: #111114;
  --color-text: #1d1d1f;
  --color-text-secondary: #525257;
  --color-text-muted: #7a7a7a;
  --color-text-inverse: #ffffff;

  --color-page: #f5f5f7;
  --color-surface: #ffffff;
  --color-surface-elevated: #fafafc;
  --color-surface-soft: #f7f7fa;
  --color-surface-subtle: #f0f0f3;
  --color-surface-contrast: #161617;
  --color-surface-contrast-2: #202124;
  --color-sidebar: #111214;
  --color-sidebar-border: rgba(255, 255, 255, 0.08);
  --color-sidebar-text: rgba(255, 255, 255, 0.72);
  --color-sidebar-text-muted: rgba(255, 255, 255, 0.46);
  --color-sidebar-active: rgba(0, 102, 204, 0.28);
  --color-sidebar-hover: rgba(255, 255, 255, 0.08);

  --border-color: rgba(29, 29, 31, 0.08);
  --border-strong: rgba(29, 29, 31, 0.14);
  --border-soft: rgba(29, 29, 31, 0.05);
  --overlay: rgba(17, 18, 20, 0.48);

  --shadow-xs: 0 1px 2px rgba(17, 18, 20, 0.06);
  --shadow-sm: 0 8px 24px rgba(17, 18, 20, 0.06);
  --shadow-md: 0 18px 42px rgba(17, 18, 20, 0.08);
  --shadow-lg: 0 28px 60px rgba(17, 18, 20, 0.12);
  --shadow-focus: 0 0 0 4px rgba(0, 102, 204, 0.16);

  --space-2xs: 4px;
  --space-xs: 8px;
  --space-sm: 12px;
  --space-md: 17px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-section: 80px;

  --radius-xs: 5px;
  --radius-sm: 8px;
  --radius-md: 11px;
  --radius-lg: 18px;
  --radius-pill: 9999px;

  --motion-fast: 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --motion-base: 220ms cubic-bezier(0.2, 0.8, 0.2, 1);
  --motion-slow: 320ms cubic-bezier(0.2, 0.8, 0.2, 1);

  --sidebar-width: 288px;
  --topbar-height: 72px;
  --content-max-width: 1600px;

  --primary: var(--color-primary);
  --primary-light: var(--color-accent);
  --primary-dark: var(--color-primary-dark);
  --accent: var(--color-accent);
  --success: var(--color-success);
  --warning: var(--color-warning);
  --danger: var(--color-danger);
  --info: var(--color-info);
  --border: var(--border-color);
  --card-bg: var(--color-surface);
  --bg-secondary: var(--color-surface);
  --input-bg: var(--color-surface);
  --text-primary: var(--color-text);
  --text-secondary: var(--color-text-secondary);
  --text-muted: var(--color-text-muted);
  --sidebar-hover: var(--color-sidebar-hover);
}

html[data-theme="dark"] {
  color-scheme: dark;

  --color-primary-soft: rgba(41, 151, 255, 0.18);
  --color-primary-outline: rgba(41, 151, 255, 0.22);
  --color-success-soft: rgba(54, 179, 126, 0.16);
  --color-warning-soft: rgba(219, 145, 53, 0.16);
  --color-danger-soft: rgba(222, 90, 77, 0.18);
  --color-info-soft: rgba(91, 125, 255, 0.18);

  --color-page: #0d0d0f;
  --color-surface: #161618;
  --color-surface-elevated: #1c1c1f;
  --color-surface-soft: #202124;
  --color-surface-subtle: #26272b;
  --color-surface-contrast: #f5f5f7;
  --color-surface-contrast-2: #ececf1;
  --color-sidebar: #090a0b;
  --color-sidebar-border: rgba(255, 255, 255, 0.06);
  --color-sidebar-text: rgba(255, 255, 255, 0.74);
  --color-sidebar-text-muted: rgba(255, 255, 255, 0.44);
  --color-sidebar-active: rgba(41, 151, 255, 0.22);
  --color-sidebar-hover: rgba(255, 255, 255, 0.06);

  --color-text: #f5f5f7;
  --color-text-secondary: #c7c7cc;
  --color-text-muted: #9898a0;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-soft: rgba(255, 255, 255, 0.04);
  --overlay: rgba(0, 0, 0, 0.62);

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 10px 26px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 18px 42px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 28px 70px rgba(0, 0, 0, 0.34);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: var(--font-text);
  color: var(--color-text);
  background:
    radial-gradient(circle at top left, rgba(0, 102, 204, 0.06), transparent 24%),
    radial-gradient(circle at top right, rgba(41, 151, 255, 0.08), transparent 18%),
    linear-gradient(180deg, var(--color-page), var(--color-page));
  transition: background-color var(--motion-slow), color var(--motion-slow);
}

a {
  color: inherit;
}

button,
input,
select,
textarea {
  font: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6,
.page-title,
.card-title,
.stat-value,
.brand-name,
.modal-title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.dashboard-shell {
  position: relative;
  display: flex;
  min-height: 100vh;
}

.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--motion-base), visibility var(--motion-base);
  z-index: 90;
}

.sidebar-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: linear-gradient(180deg, var(--color-sidebar), #15161a);
  color: var(--color-sidebar-text);
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 110;
  border-right: 1px solid var(--color-sidebar-border);
  transition: transform var(--motion-base);
}

.sidebar::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent);
  pointer-events: none;
}

.sidebar-brand,
.sidebar-user,
.sidebar-footer {
  position: relative;
  z-index: 1;
}

.sidebar-brand {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--color-sidebar-border);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.sidebar-logo-icon,
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text-inverse);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.sidebar-logo-text,
.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  color: var(--color-text-inverse);
  font-size: 15px;
  font-weight: 600;
}

.brand-sub {
  color: var(--color-sidebar-text-muted);
  font-size: 12px;
}

.sidebar-user {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-sidebar-border);
  display: flex;
  gap: 12px;
  align-items: center;
}

.sidebar-avatar,
.user-avatar,
.topbar-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-inverse);
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-weight: 700;
  flex-shrink: 0;
}

.sidebar-avatar {
  width: 42px;
  height: 42px;
  font-size: 14px;
}

.topbar-avatar {
  width: 40px;
  height: 40px;
  background: var(--color-surface-subtle);
  color: var(--color-text);
  border-color: var(--border-color);
}

.user-name {
  color: var(--color-text-inverse);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.25;
}

.user-role,
.user-meta {
  color: var(--color-sidebar-text-muted);
  font-size: 12px;
  line-height: 1.4;
}

.sidebar-nav {
  padding: 14px 12px 20px;
  overflow-y: auto;
  flex: 1;
  position: relative;
  z-index: 1;
}

.sidebar-nav ul {
  margin: 0;
  padding: 0;
}

.nav-section-label {
  padding: 14px 12px 8px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-sidebar-text-muted);
}

.nav-item {
  list-style: none;
}

.nav-link {
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--color-sidebar-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 14px;
  position: relative;
  transition: background-color var(--motion-fast), color var(--motion-fast), transform var(--motion-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  background: var(--color-sidebar-hover);
  color: var(--color-text-inverse);
  outline: none;
}

.nav-link.active {
  background: var(--color-sidebar-active);
  color: var(--color-text-inverse);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 10px 26px rgba(0, 102, 204, 0.2);
}

.nav-link.active::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.nav-icon {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  transition: background-color var(--motion-fast), border-color var(--motion-fast), transform var(--motion-fast);
}

.nav-link:hover .nav-icon,
.nav-link:focus-visible .nav-icon {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(255, 255, 255, 0.12);
}

.nav-link.active .nav-icon {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.14);
  transform: scale(1.02);
}

.nav-text {
  flex: 1;
  text-align: left;
}

.nav-badge {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px 20px 20px;
  border-top: 1px solid var(--color-sidebar-border);
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

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

.main-content,
.student-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.app-topbar,
.hero-strip,
.page-header {
  position: sticky;
  top: 0;
  z-index: 80;
  min-height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 28px;
  background: color-mix(in srgb, var(--color-surface) 86%, transparent);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
}

.page-header {
  justify-content: space-between;
}

.page-header > div:first-child,
.topbar-title-group {
  min-width: 0;
}

.page-title {
  margin: 0;
  font-size: 28px;
  font-weight: 600;
  line-height: 1.1;
  color: var(--color-text);
}

.page-subtitle,
.hero-date,
.topbar-overline {
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.5;
}

.topbar-overline {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}

.header-actions,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-left: 8px;
  border-left: 1px solid var(--border-color);
}

.topbar-user-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.topbar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.topbar-user-role {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.topbar-menu-trigger {
  display: none;
}

.mobile-only {
  display: none !important;
}

.desktop-only {
  display: inline-flex !important;
}

.page-shell,
.content-area {
  width: 100%;
  max-width: var(--content-max-width);
  padding: 28px;
}

.content-area {
  margin: 0 auto;
  flex: 1;
}

.page-section {
  animation: fadeUp var(--motion-slow) both;
}

.page-stack {
  display: grid;
  gap: 20px;
}

.grid-2,
.student-grid,
.charts-2col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.col-span-2 {
  grid-column: span 2;
}

.stats-grid,
.mgr-kpi-grid,
.profile-stats-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
}

.card,
.glass-card,
.modal-card,
.calendar-shell,
.course-card,
.emp-card,
.mgr-kpi,
.stat-card,
.profile-stat-box,
.schedule-item,
.rank-item,
.info-item,
.notif-card,
.badge-card,
.event-card,
.survey-card {
  background: var(--color-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card,
.glass-card,
.stat-card,
.mgr-kpi,
.course-card,
.emp-card,
.q-card,
.modal-card {
  transition: transform var(--motion-fast), box-shadow var(--motion-fast), border-color var(--motion-fast);
}

.card:hover,
.glass-card:hover,
.stat-card:hover,
.mgr-kpi:hover,
.course-card:hover,
.emp-card:hover,
.q-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}

.card-header,
.modal-header {
  padding: 20px 22px 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--border-color);
}

.card-title,
.modal-title {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--color-text);
}

.card-subtitle,
.meta-line,
.course-list-meta,
.rank-note {
  margin-top: 4px;
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

.card-body,
.modal-body {
  padding: 22px;
}

.card-footer,
.modal-footer {
  padding: 16px 22px 22px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  border-top: 1px solid var(--border-color);
}

.kpi-card,
.stat-card,
.mgr-kpi {
  padding: 22px;
  position: relative;
  overflow: hidden;
}

.stat-card::before,
.mgr-kpi::before,
.kpi-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.stat-card.green::before,
.mgr-kpi.success::before {
  background: linear-gradient(90deg, var(--color-success), #45b78c);
}

.stat-card.orange::before {
  background: linear-gradient(90deg, var(--color-warning), #e5a54b);
}

.stat-card.purple::before {
  background: linear-gradient(90deg, var(--color-info), #6b7cff);
}

.stat-icon,
.mgr-kpi-icon,
.course-icon-box,
.permission-mini-icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 700;
}

.stat-value,
.mgr-kpi-value,
.hero-number,
.score-text,
.profile-stat-num {
  font-size: 32px;
  line-height: 1;
  font-weight: 600;
  color: var(--color-text);
}

.stat-label,
.mgr-kpi-label,
.profile-stat-lbl,
.timer-label,
.question-label,
.calendar-head,
.form-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
}

.stat-change {
  margin-top: 10px;
  font-size: 12px;
  color: var(--color-text-secondary);
}

.stat-change.up {
  color: var(--color-success);
}

.stat-change.down {
  color: var(--color-danger);
}

.btn,
.calendar-btn,
.emp-filter-btn,
.chip,
.page-btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--motion-fast), color var(--motion-fast), border-color var(--motion-fast), box-shadow var(--motion-fast), transform var(--motion-fast);
}

.btn:hover,
.calendar-btn:hover,
.emp-filter-btn:hover,
.chip:hover,
.page-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-xs);
}

.btn:focus-visible,
.calendar-btn:focus-visible,
.emp-filter-btn:focus-visible,
.chip:focus-visible,
.page-btn:focus-visible,
.nav-link:focus-visible,
.form-input:focus-visible,
.field:focus-visible,
.textarea:focus-visible,
.form-select:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.btn-primary,
.calendar-btn,
.btn-login {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
  box-shadow: 0 10px 22px rgba(0, 102, 204, 0.18);
}

.btn-primary:hover,
.calendar-btn:hover,
.btn-login:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary,
.calendar-btn.ghost,
.calendar-btn.secondary,
.btn-soft {
  background: var(--color-surface);
  color: var(--color-text);
  border-color: var(--border-color);
}

.btn-secondary:hover,
.calendar-btn.ghost:hover,
.calendar-btn.secondary:hover,
.btn-soft:hover {
  background: color-mix(in srgb, var(--color-primary-soft) 38%, var(--color-surface));
  border-color: var(--color-primary-outline);
}

.btn-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: rgba(196, 60, 47, 0.18);
}

.btn-success {
  background: var(--color-success);
  color: var(--color-text-inverse);
  border-color: var(--color-success);
}

.btn-warning {
  background: #f4efe6;
  color: #7a4700;
  border-color: rgba(122, 71, 0, 0.14);
}

.btn-icon {
  width: 44px;
  min-width: 44px;
  padding: 0;
  border-radius: 50%;
}

.btn-icon-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  font-size: 14px;
  line-height: 1;
  flex-shrink: 0;
}

.btn-sm {
  min-height: 36px;
  padding: 8px 14px;
  font-size: 12px;
}

.btn-lg {
  min-height: 48px;
  padding: 12px 22px;
  font-size: 15px;
}

.table-shell,
.table-wrapper {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  background: var(--color-surface);
}

table.lms-table {
  width: 100%;
  min-width: 720px;
  border-collapse: separate;
  border-spacing: 0;
}

.lms-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--color-surface-elevated);
  color: var(--color-text-secondary);
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border-color);
}

.lms-table tbody tr {
  transition: background-color var(--motion-fast);
}

.lms-table tbody tr:hover {
  background: var(--color-primary-soft);
}

.lms-table tbody td {
  padding: 16px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14px;
  color: var(--color-text);
  vertical-align: middle;
}

.lms-table tbody tr:last-child td {
  border-bottom: 0;
}

.badge,
.badge-status-active,
.badge-status-inactive,
.priority-high,
.priority-normal,
.priority-low {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success,
.badge-status-active {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge-danger {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.badge-blue,
.priority-normal {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge-info,
.badge-purple {
  background: var(--color-info-soft);
  color: var(--color-info);
}

.badge-gray,
.badge-status-inactive,
.priority-low {
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
}

.priority-high,
.badge-orange {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.progress-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.progress-bar-track,
.emp-progress-bar,
.skill-bar-bg {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-subtle);
  overflow: hidden;
}

.progress-bar-fill,
.emp-progress-fill,
.skill-bar-fill,
.meter-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--motion-slow);
}

.progress-bar-fill.green {
  background: linear-gradient(90deg, var(--color-success), #45b78c);
}

.progress-bar-fill.orange {
  background: linear-gradient(90deg, #d78c2d, #f2bc65);
}

.progress-text,
.emp-progress-label,
.skill-bar-label {
  font-size: 12px;
  color: var(--color-text-secondary);
}

.filter-bar,
.emp-search-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.input-wrap {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-text-muted);
  pointer-events: none;
}

.form-input,
.field,
.textarea,
.form-select,
.emp-search-input {
  width: 100%;
  min-height: 44px;
  padding: 11px 14px;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast), background-color var(--motion-fast);
}

.form-input.with-icon,
.emp-search-input {
  padding-left: 42px;
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.form-input:focus,
.field:focus,
.textarea:focus,
.form-select:focus,
.emp-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.form-group {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.wide {
  grid-column: 1 / -1;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--overlay);
  backdrop-filter: blur(10px);
  z-index: 120;
}

.modal-backdrop.open {
  display: flex;
  animation: fadeIn var(--motion-fast);
}

.modal-box,
.modal-card {
  width: min(720px, calc(100vw - 32px));
  max-height: calc(100vh - 40px);
  overflow: auto;
  position: relative;
}

.modal-close {
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  cursor: pointer;
}

.courses-grid,
.course-grid,
.event-grid,
.survey-grid,
.notif-grid,
.badge-grid,
.emp-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}

.course-card,
.course-list-item,
.event-card,
.survey-card,
.notif-card,
.badge-card,
.emp-card,
.rank-item,
.info-item,
.schedule-item {
  padding: 18px;
}

.course-thumb {
  height: 138px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 18px;
  background: linear-gradient(180deg, #eef4fb, #dde9f8);
  color: var(--color-primary);
  border-bottom: 1px solid var(--border-color);
}

.course-category {
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.course-title,
.emp-card-name,
.course-list-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.35;
}

.course-body {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.course-footer {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.empty-state {
  text-align: center;
  padding: 52px 20px;
  display: grid;
  gap: 8px;
  justify-items: center;
}

.empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-surface-subtle);
  color: var(--color-text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.empty-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text);
}

.empty-desc {
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text-secondary);
  max-width: 460px;
}

.toast-container {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 200;
  display: grid;
  gap: 10px;
}

.toast {
  min-width: 320px;
  max-width: 420px;
  padding: 14px;
  display: grid;
  grid-template-columns: 36px 1fr 28px;
  gap: 12px;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  background: var(--color-surface);
  box-shadow: var(--shadow-lg);
}

.toast-icon {
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.toast.success .toast-icon {
  background: var(--color-success-soft);
  color: var(--color-success);
}

.toast.error .toast-icon {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.toast.warning .toast-icon {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.toast-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text);
}

.toast-message {
  margin-top: 2px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-secondary);
}

.toast-close {
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  font-size: 18px;
  cursor: pointer;
}

.chart-container {
  position: relative;
  min-height: 260px;
}

.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 140px;
  padding: 24px;
}

.spinner,
.spinner-small {
  border-radius: 50%;
  border: 3px solid var(--color-surface-subtle);
  border-top-color: var(--color-primary);
  animation: spin 0.8s linear infinite;
}

.spinner {
  width: 36px;
  height: 36px;
}

.spinner-small {
  width: 18px;
  height: 18px;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  padding: 16px;
}

.page-btn.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

.question-shell {
  display: grid;
  gap: 20px;
}

.question-text {
  font-size: 30px;
  line-height: 1.3;
  font-weight: 600;
  color: var(--color-text);
}

.options-grid {
  display: grid;
  gap: 12px;
}

.option,
.quiz-option {
  position: relative;
  padding: 18px 20px;
  border-radius: 18px;
  border: 1px solid var(--border-color);
  background: var(--color-surface);
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  transition: border-color var(--motion-fast), box-shadow var(--motion-fast), transform var(--motion-fast), background-color var(--motion-fast);
}

.option:hover,
.quiz-option:hover {
  border-color: var(--color-primary-outline);
  box-shadow: var(--shadow-xs);
}

.option.selected,
.quiz-option.selected {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary-soft) 55%, var(--color-surface));
}

.opt-circle {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
  position: relative;
}

.option.selected .opt-circle::after,
.quiz-option.selected .opt-circle::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 50%;
  background: var(--color-primary);
}

.timer-card,
.score-panel {
  background: var(--color-surface);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
}

.timer-val {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 600;
  color: var(--color-primary);
}

.actions,
.card-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 24px;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-cell {
  min-height: 112px;
  padding: 12px;
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  background: var(--color-surface);
}

.calendar-cell:nth-child(7n) {
  border-right: 0;
}

.calendar-cell.today {
  background: color-mix(in srgb, var(--color-primary-soft) 45%, var(--color-surface));
}

.calendar-cell.muted {
  background: var(--color-surface-soft);
  color: var(--color-text-muted);
}

.calendar-day-number {
  display: flex;
  justify-content: flex-end;
  font-size: 13px;
  font-weight: 600;
}

.calendar-event {
  margin-bottom: 6px;
  padding: 6px 8px;
  border-radius: 10px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.35;
}

.calendar-event.exam {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

.timeline-mini,
.timeline-mini-item,
.rank-list,
.info-list,
.schedule-list {
  display: grid;
  gap: 12px;
}

.timeline-mini-item {
  grid-template-columns: 12px 1fr;
  align-items: flex-start;
}

.timeline-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
  margin-top: 6px;
}

.profile-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: min(460px, 100vw);
  height: 100vh;
  background: var(--color-surface);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

.score-wrap,
.score-panel {
  display: grid;
  justify-items: center;
  gap: 18px;
}

.progress-circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: conic-gradient(var(--color-primary) 0%, var(--color-surface-subtle) 0%);
  position: relative;
}

.progress-circle::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: var(--color-surface);
}

.score-text {
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.back-link,
.back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--color-primary);
  font-size: 14px;
  font-weight: 600;
}

.fade-in {
  animation: fadeUp var(--motion-slow) both;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-thumb {
  background: rgba(122, 122, 122, 0.35);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-track {
  background: transparent;
}

@media (max-width: 1200px) {
  .student-grid,
  .hero-grid,
  .charts-2col,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  body.sidebar-open .sidebar {
    transform: translateX(0);
  }

  body:not(.sidebar-open) .sidebar {
    pointer-events: none;
    visibility: hidden;
  }

  body.sidebar-open .sidebar {
    pointer-events: auto;
    visibility: visible;
  }

  .topbar-menu-trigger {
    display: inline-flex;
  }

  .mobile-only {
    display: inline-flex !important;
  }

  .desktop-only {
    display: none !important;
  }

  .main-content,
  .student-main {
    width: 100%;
  }

  .grid-2,
  .student-grid,
  .charts-2col {
    grid-template-columns: 1fr;
  }

  .stats-grid,
  .mgr-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .dashboard-shell {
    overflow-x: hidden;
  }

  .app-topbar,
  .hero-strip,
  .page-header {
    padding: 16px 18px;
    min-height: auto;
    align-items: flex-start;
  }

  .header-actions,
  .topbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .topbar-user {
    display: none;
  }

  .content-area,
  .page-shell {
    padding: 18px;
  }

  .stats-grid,
  .mgr-kpi-grid,
  .profile-stats-strip,
  .hero-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .course-grid,
  .courses-grid,
  .emp-cards-grid,
  .event-grid,
  .survey-grid,
  .notif-grid,
  .badge-grid {
    grid-template-columns: 1fr;
  }

  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .toast {
    min-width: 0;
    max-width: none;
    width: 100%;
  }

  .actions,
  .card-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn,
  .calendar-btn,
  .emp-filter-btn,
  .chip {
    width: 100%;
  }

  .header-actions > .btn:not(.topbar-menu-trigger),
  .topbar-actions > .btn:not(.topbar-menu-trigger):not(#themeToggleBtn) {
    width: auto;
  }

  .sidebar {
    width: min(84vw, 320px);
    min-width: min(84vw, 320px);
  }

  .sidebar-footer,
  .sidebar-user .user-meta {
    display: none;
  }

  .nav-section-label {
    padding-top: 10px;
  }

  .calendar-grid {
    overflow-x: auto;
  }

  .calendar-cell {
    min-width: 140px;
  }

  .question-text {
    font-size: 24px;
  }
}