/* ==============================================================================
   CLASSFLOW - AGENDA SCOLAIRE (STUDYO THEME)
   ============================================================================== */

:root {
  /* Arrière-plans & Surfaces */
  --bg-app: #0c0d11;
  --bg-topbar: #111217;
  --bg-surface: #171821;
  --bg-surface-elevated: #1e202b;
  --bg-slot-empty: #13151d;
  --bg-slot-hover: #191b26;

  /* Bordures */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-light: rgba(255, 255, 255, 0.12);
  --border-focus: #3867d6;

  /* Textes */
  --text-primary: #ffffff;
  --text-secondary: #9da3b4;
  --text-muted: #676d80;
  --text-dim: #414554;

  /* Couleurs signature des matières (Palette Studyo) */
  --c-sfr: #f5b000; /* Français : Jaune Or */
  --c-sma: #ff6b8b; /* Maths : Rose Saumon / Corail */
  --c-ssc: #82dc34; /* Sciences : Vert Pomme */
  --c-san: #ffa028; /* Anglais : Orange Vif */
  --c-sed: #a461eb; /* Éducation Physique : Violet */
  --c-scc: #fd79a8; /* Arts / Théâtre (SADR) : Magenta */
  --c-smu: #e67e22; /* Musique : Ambre */
  --c-sti: #706fd3; /* Informatique / Tech : Indigo */
  --c-shi: #d980fa; /* Histoire / Géo : Lilas / Mauve */
  --c-default: #4bcffa; /* Autre : Bleu Cyan */

  /* Accents & Évaluations */
  --badge-exam-bg: rgba(46, 213, 115, 0.18);
  --badge-exam-text: #7bed9f;
  --badge-exam-border: rgba(46, 213, 115, 0.4);

  --badge-hw-bg: rgba(56, 103, 214, 0.2);
  --badge-hw-text: #70a1ff;

  --accent-blue: #0088ff;
  --accent-blue-hover: #0984e3;
  --accent-red: #ff4757;

  /* Rayons & Ombres */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 9999px;

  --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.4);
  --shadow-floating: 0 6px 20px rgba(0, 0, 0, 0.55);
}

/* ==============================================================================
   RESET & STRUCTURE GLOBALE
   ============================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-app);
  color: var(--text-primary);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  user-select: none;
}

.studyo-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  position: relative;
  background-color: var(--bg-app);
}

/* ==============================================================================
   TOPBAR
   ============================================================================== */
.studyo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
  padding: 0 18px;
  background-color: var(--bg-topbar);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 50;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 160px;
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.icon-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.08);
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-text {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #ffffff 40%, #a4b0be);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Pill Nav */
.nav-pill-container {
  display: flex;
  align-items: center;
  background-color: rgba(30, 32, 42, 0.9);
  padding: 4px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-subtle);
  backdrop-filter: blur(10px);
  gap: 4px;
}

.nav-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: transparent;
  border: none;
  border-radius: var(--radius-pill);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.nav-pill:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.06);
}

.nav-pill.active {
  background-color: #27344e;
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(78, 140, 255, 0.35);
}

.notification-badge {
  background-color: var(--accent-red);
  color: #ffffff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: var(--radius-pill);
  line-height: 1.3;
}

/* Right Actions */
.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}

.btn-topbar-add {
  background-color: #1e2538;
  border: 1px solid rgba(78, 140, 255, 0.35);
  color: #4bcffa;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-topbar-add:hover {
  background-color: var(--accent-blue);
  color: #ffffff;
}

.icon-circle-btn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.2s;
}

.icon-circle-btn:hover {
  background-color: var(--accent-blue);
  border-color: transparent;
  transform: scale(1.05);
}

.user-profile-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 3px 6px 3px 12px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-profile-pill:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--border-light);
}

.profile-texts {
  display: flex;
  flex-direction: column;
  text-align: right;
}

.user-name-text {
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.school-name-text {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 500;
  line-height: 1.1;
}

.user-avatar-circle {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: #3b3f4f;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* ==============================================================================
   MAIN AREA & TAB VIEWS
   ============================================================================== */
.studyo-main-area {
  flex: 1;
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.tab-view {
  display: none;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.tab-view.active {
  display: flex;
  flex-direction: column;
}

/* ==============================================================================
   SUBHEADER (MONTH & NAVIGATION)
   ============================================================================== */
.schedule-subheader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px 8px 20px;
}

.month-selector-group {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.month-title {
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  text-transform: lowercase;
}

.month-title::first-letter {
  text-transform: uppercase;
}

.week-nav-arrows {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-mini-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s;
}

.nav-mini-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

.nav-today-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}

.nav-today-badge:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
}

/* ==============================================================================
   CALENDAR VIEWPORT & TIMELINE INFINIE DÉFILABLE (STUDYO PROPORTIONS)
   ============================================================================== */
.studyo-calendar-viewport {
  flex: 1;
  display: flex;
  flex-direction: row;
  overflow: hidden;
  padding: 0 16px 14px 16px;
  position: relative;
}

/* Gouttière fixe des heures à gauche */
.studyo-time-gutter {
  width: 55px;
  min-width: 55px;
  display: flex;
  flex-direction: column;
  z-index: 10;
  background-color: var(--bg-app);
  height: 100%;
}

.time-gutter-header {
  height: 38px;
  min-height: 38px;
  padding-bottom: 8px;
}

.time-gutter-slots {
  flex: 1;
  display: grid;
  grid-template-rows: minmax(40px, 0.45fr) minmax(110px, 1.25fr) minmax(110px, 1.25fr) minmax(40px, 0.45fr) minmax(110px, 1.25fr) minmax(110px, 1.25fr);
  gap: 10px;
  height: calc(100% - 46px);
}

.time-col-cell {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  text-align: right;
  padding-right: 12px;
  font-variant-numeric: tabular-nums;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
  padding-top: 8px;
}

/* Conteneur défilable horizontalement au pixel près */
.studyo-days-scroll-container {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  display: block;
  scroll-behavior: auto;
  user-select: none;
  cursor: grab;
  height: 100%;
}

.studyo-days-scroll-container:active {
  cursor: grabbing;
}

.studyo-days-scroll-container::-webkit-scrollbar {
  height: 6px;
}

.studyo-days-scroll-container::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 4px;
}

.studyo-days-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 4px;
}

.studyo-days-scroll-container::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.28);
}

.studyo-timeline-canvas {
  display: flex;
  flex-direction: column;
  width: max-content;
  height: 100%;
}

/* En-tête des jours */
.studyo-days-header-track {
  display: flex;
  gap: 10px;
  height: 38px;
  min-height: 38px;
  align-items: center;
  padding-bottom: 8px;
}

.timeline-day-header {
  flex: 0 0 var(--day-col-width, 320px);
  width: var(--day-col-width, 320px);
  min-width: 140px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding-left: 6px;
  color: var(--text-primary);
  cursor: pointer;
  transition: opacity 0.15s;
}

.timeline-day-header:hover {
  opacity: 0.9;
}

.timeline-day-header.weekend-col {
  opacity: 0.75;
}

.timeline-day-header.is-today .day-number-text {
  color: #4bcffa;
}

.timeline-day-header.is-today .cycle-day-badge {
  background-color: #0077ff;
  color: #ffffff;
}

.day-number-text {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.day-name-abbr {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.cycle-day-badge {
  background-color: #2b2e3b;
  color: #c4c9d8;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255, 255, 255, 0.08);
  margin-left: 2px;
}

.cycle-day-badge.special {
  background-color: rgba(255, 71, 87, 0.2);
  color: #ff6b81;
  border-color: rgba(255, 71, 87, 0.4);
}

/* Grille des cours */
.studyo-grid-track {
  flex: 1;
  display: flex;
  gap: 10px;
  height: calc(100% - 46px);
}

.timeline-day-column {
  flex: 0 0 var(--day-col-width, 320px);
  width: var(--day-col-width, 320px);
  min-width: 140px;
  display: grid;
  grid-template-rows: minmax(40px, 0.45fr) minmax(110px, 1.25fr) minmax(110px, 1.25fr) minmax(40px, 0.45fr) minmax(110px, 1.25fr) minmax(110px, 1.25fr);
  gap: 10px;
  height: 100%;
}

.timeline-day-column.weekend-col .studyo-slot-empty {
  background-color: rgba(255, 255, 255, 0.015);
  border: 1px dashed rgba(255, 255, 255, 0.05);
}

.studyo-grid-body::-webkit-scrollbar {
  width: 6px;
}
.studyo-grid-body::-webkit-scrollbar-track {
  background: transparent;
}
.studyo-grid-body::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

/* Time column cell */
.time-col-cell {
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 700;
  padding-top: 8px;
  text-align: right;
  padding-right: 12px;
  font-variant-numeric: tabular-nums;
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

/* ==============================================================================
   CARTES DE COURS & SLOTS STUDYO (GRANDEURS GÉLULES & PROPORTIONS PRO)
   ============================================================================== */
.studyo-slot-empty {
  background-color: var(--bg-slot-empty);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  position: relative;
  height: 100%;
  min-height: 44px;
  transition: background-color 0.15s ease;
}

.studyo-slot-empty:hover {
  background-color: var(--bg-slot-hover);
}

.slot-watermark-am {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.slot-watermark-d {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-dim);
}

/* Carte de cours principale */
.studyo-course-card {
  display: flex;
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1.5px solid var(--card-accent, #4bcffa);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.18s ease;
  height: 100%;
  min-height: 92px;
  position: relative;
  box-shadow: var(--shadow-card);
}

.studyo-course-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--card-accent, #4bcffa);
}

/* Section GAUCHE de la carte (Bannière verticale signature) */
.card-left-tag {
  width: 76px;
  min-width: 76px;
  background-color: var(--card-accent, #4bcffa);
  color: #0c0d12;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 8px 7px;
  font-weight: 700;
}

.tag-top-info {
  display: flex;
  flex-direction: column;
}

.tag-course-code {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  word-break: break-all;
}

.tag-group-code {
  font-size: 0.72rem;
  font-weight: 700;
  opacity: 0.95;
  margin-top: 2px;
}

.tag-bottom-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.tag-teacher-code {
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0.95;
  line-height: 1.1;
}

.tag-room-code {
  font-size: 0.75rem;
  font-weight: 800;
  line-height: 1.1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Section DROITE de la carte */
.card-main-content {
  flex: 1;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background-color: rgba(18, 19, 26, 0.96);
  position: relative;
  overflow: hidden;
}

.card-task-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Titre du cours quand aucune tâche n'est assignée */
.card-subject-headline {
  font-size: 0.88rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-subject-subinfo {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 1px;
}

.task-exam-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  background-color: var(--badge-exam-bg);
  color: var(--badge-exam-text);
  border: 1px solid var(--badge-exam-border);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  line-height: 1.2;
}

.task-hw-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  align-self: flex-start;
  background-color: var(--badge-hw-bg);
  color: var(--badge-hw-text);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  line-height: 1.2;
}

.card-task-desc {
  font-size: 0.78rem;
  color: #e2e6f0;
  font-weight: 500;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-bottom-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-top: 6px;
}

.period-indicator-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--card-accent, #4bcffa);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.3px;
  padding: 3px 6px;
  border-radius: var(--radius-xs);
  transition: background-color 0.15s, transform 0.1s;
}

.period-indicator-tag:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: scale(1.04);
}

.period-plus-btn {
  font-size: 0.9rem;
  font-weight: 800;
  display: inline-block;
  line-height: 1;
}

/* Couleurs spécifiques par code de matière */
.course-card-sfr, .course-card-sfra { --card-accent: var(--c-sfr); }
.course-card-sma, .course-card-smsn, .course-card-smcs, .course-card-smts { --card-accent: var(--c-sma); }
.course-card-sste, .course-card-ste { --card-accent: #2ed573; } /* Science environnement : Vert émeraude / nature */
.course-card-ssct, .course-card-ssc, .course-card-sct { --card-accent: var(--c-ssc); } /* Science techno : Vert pomme */
.course-card-san, .course-card-sane, .course-card-sang { --card-accent: var(--c-san); }
.course-card-sed, .course-card-sedu { --card-accent: var(--c-sed); }
.course-card-scc, .course-card-sadr, .course-card-sart { --card-accent: var(--c-scc); }
.course-card-smu, .course-card-smus { --card-accent: var(--c-smu); }
.course-card-sti, .course-card-stic { --card-accent: var(--c-sti); }
.course-card-shi, .course-card-shis { --card-accent: var(--c-shi); }
.course-card-default { --card-accent: var(--c-default); }

/* ==============================================================================
   BOUTONS D'ACTION FLOTTANTS
   ============================================================================== */
.floating-controls {
  position: absolute;
  bottom: 18px;
  left: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 40;
}

.floating-circle-btn {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  color: #ffffff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-floating);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), background-color 0.2s;
}

.floating-circle-btn:hover {
  transform: scale(1.08);
  background-color: var(--accent-blue-hover);
}

.floating-view-selector {
  pointer-events: auto;
  position: relative;
}

.floating-pill-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(26, 28, 38, 0.95);
  color: #ffffff;
  border: 1px solid var(--border-light);
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-floating);
  transition: all 0.2s;
}

.floating-pill-btn:hover {
  background-color: #242735;
  border-color: rgba(255, 255, 255, 0.25);
}

.view-options-dropdown {
  position: absolute;
  bottom: calc(100% + 8px);
  right: 0;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 200px;
  box-shadow: var(--shadow-floating);
}

.view-option-item {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-align: left;
  cursor: pointer;
  transition: all 0.15s;
}

.view-option-item:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.08);
}

.view-option-item.active {
  color: var(--accent-blue);
  background-color: rgba(0, 136, 255, 0.1);
  font-weight: 700;
}

/* ==============================================================================
   ONGLET TÂCHES
   ============================================================================== */
.taches-view-container {
  padding: 20px 28px;
  overflow-y: auto;
  height: 100%;
}

.view-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.view-header-bar h2 {
  font-size: 1.4rem;
  font-weight: 800;
}

.view-header-bar .subtitle {
  color: var(--text-muted);
  font-size: 0.82rem;
  margin-top: 2px;
}

.taches-filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.filter-pill {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.15s;
}

.filter-pill:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-elevated);
}

.filter-pill.active {
  background-color: #27344e;
  color: #ffffff;
  border-color: rgba(78, 140, 255, 0.4);
}

.taches-list-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
}

.task-item-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  transition: border-color 0.2s, transform 0.15s;
}

.task-item-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}

.task-checkbox-custom {
  width: 20px;
  height: 20px;
  accent-color: var(--accent-blue);
  cursor: pointer;
  margin-top: 2px;
}

.task-info-main {
  flex: 1;
}

.task-info-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.task-info-title.completed {
  text-decoration: line-through;
  color: var(--text-muted);
}

.task-info-details {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-top: 4px;
  line-height: 1.4;
}

.task-meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-size: 0.72rem;
  font-weight: 600;
}

.task-delete-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  opacity: 0.6;
}

.task-delete-btn:hover {
  opacity: 1;
  color: var(--accent-red);
  background: rgba(255, 71, 87, 0.12);
}

/* ==============================================================================
   MODALS & TIROIR
   ============================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.studyo-modal-card {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.7);
  animation: modalFadeIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.modal-badge-icon {
  font-size: 1.2rem;
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 800;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close-btn:hover {
  color: var(--text-primary);
}

form {
  padding: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.form-control-dark {
  background-color: #12131a;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 10px 12px;
  font-size: 0.88rem;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control-dark:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(0, 136, 255, 0.2);
}

.modal-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
}

.btn {
  padding: 9px 18px;
  font-size: 0.84rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: none;
  transition: all 0.15s ease;
}

.btn-studyo-primary {
  background-color: var(--accent-blue);
  color: #ffffff;
}

.btn-studyo-primary:hover {
  background-color: var(--accent-blue-hover);
}

.btn-cancel {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-cancel:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
}

/* Course Details Modal */
.course-detail-header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.course-detail-code-badge {
  background-color: var(--c-sfr);
  color: #0c0d12;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
}

.course-detail-body {
  padding: 20px;
}

.cd-info-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  background-color: rgba(0, 0, 0, 0.2);
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}

.cd-info-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cd-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
}

.cd-val {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-primary);
}

.cd-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cd-section-header h4 {
  font-size: 0.88rem;
  font-weight: 700;
}

.btn-mini-add {
  background: rgba(0, 136, 255, 0.15);
  border: 1px solid rgba(0, 136, 255, 0.3);
  color: #4bcffa;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: all 0.15s;
}

.btn-mini-add:hover {
  background: var(--accent-blue);
  color: #ffffff;
}

.cd-tasks-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ==============================================================================
   DRAWER
   ============================================================================== */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 90;
}

.studyo-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 340px;
  background-color: var(--bg-topbar);
  border-right: 1px solid var(--border-light);
  z-index: 95;
  display: flex;
  flex-direction: column;
  box-shadow: 10px 0 30px rgba(0, 0, 0, 0.6);
  animation: slideInLeft 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideInLeft {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.drawer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.drawer-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #0088ff, #706fd3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
}

.drawer-brand h3 {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.1;
}

.drawer-brand span {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.drawer-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.drawer-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.drawer-section h4 {
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.auth-box {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.btn-google-sync,
.btn-ics-import,
.btn-demo-mode {
  width: 100%;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  transition: all 0.15s;
}

.btn-google-sync:hover,
.btn-ics-import:hover,
.btn-demo-mode:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-light);
}

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

.btn-secondary-save {
  background-color: #27344e;
  color: #ffffff;
  margin-top: 6px;
  border: none;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  cursor: pointer;
}

.legend-subject-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.legend-subject-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.tag-badge {
  font-size: 0.72rem;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  min-width: 36px;
  text-align: center;
  color: #0c0d12;
}

.tag-badge.sfr { background-color: var(--c-sfr); }
.tag-badge.sma { background-color: var(--c-sma); }
.tag-badge.ssc { background-color: var(--c-ssc); }
.tag-badge.san { background-color: var(--c-san); }
.tag-badge.sed { background-color: var(--c-sed); color: #fff; }
.tag-badge.scc { background-color: var(--c-scc); }
.tag-badge.smu { background-color: var(--c-smu); }
.tag-badge.sti { background-color: var(--c-sti); color: #fff; }
.tag-badge.shi { background-color: var(--c-shi); }

.hidden {
  display: none !important;
}

/* ==============================================================================
   RESPONSIVE
   ============================================================================== */
@media (max-width: 900px) {
  .studyo-topbar {
    padding: 0 12px;
  }
  .profile-texts {
    display: none;
  }
  .card-left-tag {
    width: 60px;
    min-width: 60px;
    padding: 6px 4px;
  }
  .tag-course-code {
    font-size: 0.9rem;
  }
}