/* ==========================================================================
   StudyFlow Siswa - Modern Interactive To-Do List (Pure HTML & CSS)
   ========================================================================== */

/* --- CSS Variables & Theming System --- */
:root {
  /* Brand Palette */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #e0e7ff;
  --primary-glow: rgba(79, 70, 229, 0.28);
  
  --secondary: #0ea5e9;
  --secondary-light: #e0f2fe;

  --success: #10b981;
  --success-light: #d1fae5;
  --success-border: #a7f3d0;
  
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  
  --danger: #ef4444;
  --danger-light: #fee2e2;
  --danger-border: #fca5a5;

  /* Surfaces & Backgrounds (Light Mode) */
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-subtle: #f1f5f9;
  --bg-glass: rgba(255, 255, 255, 0.88);
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;

  /* Soft Realistic Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* Transitions */
  --transition: all 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   PURE CSS DARK MODE (Activated via #theme-toggle:checked)
   ========================================================================== */
#theme-toggle:checked ~ .app-layout,
#theme-toggle:checked ~ .modal-overlay {
  --bg-body: #0b0f19;
  --bg-card: #131b2e;
  --bg-card-subtle: #1e293b;
  --bg-glass: rgba(19, 27, 46, 0.90);
  --border-color: #24324c;
  --border-color-hover: #374768;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;

  --primary-light: rgba(79, 70, 229, 0.22);
  --secondary-light: rgba(14, 165, 233, 0.2);
  --success-light: rgba(16, 185, 129, 0.18);
  --warning-light: rgba(245, 158, 11, 0.18);
  --danger-light: rgba(239, 68, 68, 0.2);

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 10px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.45);
  --shadow-xl: 0 20px 30px rgba(0, 0, 0, 0.55);
}

/* Base Body Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  /* Initialize dynamic counters */
  counter-reset: total 8 completed 0 pending 8;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Hidden off-screen controllers */
.css-controller {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  z-index: -999;
}

/* ==========================================================================
   PURE CSS COUNTER INCREMENTS & DECREMENTS
   ========================================================================== */
#chk-task-1:checked,
#chk-task-2:checked,
#chk-task-3:checked,
#chk-task-4:checked,
#chk-task-5:checked,
#chk-task-6:checked,
#chk-task-7:checked,
#chk-task-8:checked {
  counter-increment: completed 1 pending -1;
}

/* Real-time Stat Number Rendering */
.stat-completed-val {
  font-size: 0 !important;
}
.stat-completed-val::after {
  content: counter(completed);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--success);
}

.stat-pending-val {
  font-size: 0 !important;
}
.stat-pending-val::after {
  content: counter(pending);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--warning);
}

.stat-total-val {
  font-size: 0 !important;
}
.stat-total-val::after {
  content: counter(total);
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--primary);
}

/* ==========================================================================
   APP LAYOUT & HEADER
   ========================================================================== */
.app-layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-body);
  transition: background-color 0.3s ease;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background-color: var(--bg-glass);
  border-bottom: 1px solid var(--border-color);
  padding: 0.85rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  transition: var(--transition);
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.875rem;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #4f46e5 0%, #06b6d4 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-icon svg {
  width: 24px;
  height: 24px;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-tag {
  font-size: 0.725rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, #818cf8 100%);
  color: #ffffff;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.brand-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.date-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
}

.date-badge svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

/* Theme Switch Toggle Button */
.theme-switch {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-full);
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.theme-switch:hover {
  border-color: var(--primary);
  transform: translateY(-1px);
}

.theme-switch svg {
  width: 18px;
  height: 18px;
}

.icon-sun {
  display: inline-flex;
  color: #f59e0b;
}

.icon-moon {
  display: none;
  color: #818cf8;
}

.theme-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

/* Switch icon appearance when dark mode is checked */
#theme-toggle:checked ~ .app-layout .icon-sun {
  display: none;
}
#theme-toggle:checked ~ .app-layout .icon-moon {
  display: inline-flex;
}
#theme-toggle:checked ~ .app-layout .theme-text::after {
  content: " Aktif";
}

/* Quick Admin Portal Switch Button */
.portal-admin-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.85rem;
  background-color: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 2px 8px var(--primary-glow);
  transition: var(--transition);
  white-space: nowrap;
}

.portal-admin-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--primary-glow);
  color: #ffffff;
}

.portal-admin-btn svg {
  width: 15px;
  height: 15px;
}

/* Student Profile Badge */
.user-profile {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-left: 0.75rem;
  border-left: 1px solid var(--border-color);
}

.avatar-ring {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 800;
  font-size: 1.05rem;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.35);
}

.user-meta {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.user-grade {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* ==========================================================================
   HERO & STATISTICS SECTION
   ========================================================================== */
.main-container {
  flex: 1;
  max-width: 1360px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero-section {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.hero-card {
  background: linear-gradient(135deg, #4338ca 0%, #4f46e5 55%, #0284c7 100%);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  color: #ffffff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 30px -8px rgba(79, 70, 229, 0.45);
}

.hero-card::after {
  content: '';
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
}

.hero-card::before {
  content: '';
  position: absolute;
  right: 140px;
  top: -60px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  pointer-events: none;
}

.hero-content {
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-tag {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  padding: 0.3rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.825rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.hero-title {
  font-size: 1.95rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.6rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 0.95rem;
  opacity: 0.92;
  line-height: 1.6;
}

.hero-mini-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.mini-pill {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(4px);
}

.hero-btn-wrap {
  position: relative;
  z-index: 2;
}

/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: inherit;
  font-size: 0.925rem;
  font-weight: 700;
  padding: 0.85rem 1.45rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  line-height: 1;
}

.btn svg {
  width: 20px;
  height: 20px;
}

.btn-primary {
  background-color: #ffffff;
  color: var(--primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-primary:hover {
  background-color: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.btn-outline-primary {
  background-color: var(--bg-card);
  color: var(--primary);
  border: 1px solid var(--primary-light);
}

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

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

.btn-sm {
  padding: 0.5rem 0.9rem;
  font-size: 0.825rem;
}

.glow-effect {
  position: relative;
}

/* Stats Cards Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.stat-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.4rem;
  display: flex;
  align-items: center;
  gap: 1.15rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-color-hover);
}

.stat-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-icon-box svg {
  width: 24px;
  height: 24px;
}

.stat-total .stat-icon-box {
  background-color: var(--primary-light);
  color: var(--primary);
}

.stat-done .stat-icon-box {
  background-color: var(--success-light);
  color: var(--success);
}

.stat-pending .stat-icon-box {
  background-color: var(--warning-light);
  color: var(--warning);
}

.stat-urgent .stat-icon-box {
  background-color: var(--danger-light);
  color: var(--danger);
}

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

.stat-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.stat-number {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  line-height: 1.1;
  margin-top: 0.15rem;
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   CONTENT LAYOUT (2 Columns: Tasks & Sidebar)
   ========================================================================== */
.content-columns {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 1.75rem;
  align-items: start;
}

.task-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Toolbar Card with Category & Status Filters */
.toolbar-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.section-heading-sm {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tab-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.55rem 1.1rem;
  background-color: var(--bg-card-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
  border: 1px solid transparent;
}

.tab-pill:hover {
  background-color: var(--border-color);
  color: var(--text-main);
}

.status-tabs-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
}

.status-group-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.filter-label-inline {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-muted);
}

.status-tabs {
  display: inline-flex;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  padding: 0.25rem;
  border-radius: var(--radius-md);
}

.status-tab {
  padding: 0.45rem 1rem;
  border-radius: calc(var(--radius-md) - 3px);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.status-tab:hover {
  color: var(--text-main);
}

.show-mobile-only {
  display: none;
}

/* ==========================================================================
   ACTIVE TAB HIGHLIGHTS (Pure CSS Sibling Selector)
   ========================================================================== */
#cat-all:checked ~ .app-layout .tab-all,
#cat-tugas:checked ~ .app-layout .tab-tugas,
#cat-proyek:checked ~ .app-layout .tab-proyek,
#cat-ujian:checked ~ .app-layout .tab-ujian,
#cat-ekskul:checked ~ .app-layout .tab-ekskul {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 10px var(--primary-glow);
}

#status-all:checked ~ .app-layout .status-tab-all,
#status-pending:checked ~ .app-layout .status-tab-pending,
#status-completed:checked ~ .app-layout .status-tab-completed {
  background-color: var(--bg-card);
  color: var(--primary);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

/* ==========================================================================
   CATEGORY FILTERING LOGIC
   ========================================================================== */
#cat-tugas:checked ~ .app-layout .task-card:not(.cat-tugas) {
  display: none !important;
}

#cat-proyek:checked ~ .app-layout .task-card:not(.cat-proyek) {
  display: none !important;
}

#cat-ujian:checked ~ .app-layout .task-card:not(.cat-ujian) {
  display: none !important;
}

#cat-ekskul:checked ~ .app-layout .task-card:not(.cat-ekskul) {
  display: none !important;
}

/* ==========================================================================
   CHECKED STATE STYLING FOR EACH TASK CARD
   ========================================================================== */
#chk-task-1:checked ~ .app-layout #task-card-1,
#chk-task-2:checked ~ .app-layout #task-card-2,
#chk-task-3:checked ~ .app-layout #task-card-3,
#chk-task-4:checked ~ .app-layout #task-card-4,
#chk-task-5:checked ~ .app-layout #task-card-5,
#chk-task-6:checked ~ .app-layout #task-card-6,
#chk-task-7:checked ~ .app-layout #task-card-7,
#chk-task-8:checked ~ .app-layout #task-card-8 {
  opacity: 0.72;
  background-color: var(--bg-card-subtle);
  border-color: var(--border-color);
  border-left-color: var(--success) !important;
}

#chk-task-1:checked ~ .app-layout #task-card-1 .task-title,
#chk-task-2:checked ~ .app-layout #task-card-2 .task-title,
#chk-task-3:checked ~ .app-layout #task-card-3 .task-title,
#chk-task-4:checked ~ .app-layout #task-card-4 .task-title,
#chk-task-5:checked ~ .app-layout #task-card-5 .task-title,
#chk-task-6:checked ~ .app-layout #task-card-6 .task-title,
#chk-task-7:checked ~ .app-layout #task-card-7 .task-title,
#chk-task-8:checked ~ .app-layout #task-card-8 .task-title {
  text-decoration: line-through;
  color: var(--text-muted);
}

#chk-task-1:checked ~ .app-layout #task-card-1 .custom-checkbox,
#chk-task-2:checked ~ .app-layout #task-card-2 .custom-checkbox,
#chk-task-3:checked ~ .app-layout #task-card-3 .custom-checkbox,
#chk-task-4:checked ~ .app-layout #task-card-4 .custom-checkbox,
#chk-task-5:checked ~ .app-layout #task-card-5 .custom-checkbox,
#chk-task-6:checked ~ .app-layout #task-card-6 .custom-checkbox,
#chk-task-7:checked ~ .app-layout #task-card-7 .custom-checkbox,
#chk-task-8:checked ~ .app-layout #task-card-8 .custom-checkbox {
  background-color: var(--success);
  border-color: var(--success);
  color: #ffffff;
}

#chk-task-1:checked ~ .app-layout #task-card-1 .custom-checkbox svg,
#chk-task-2:checked ~ .app-layout #task-card-2 .custom-checkbox svg,
#chk-task-3:checked ~ .app-layout #task-card-3 .custom-checkbox svg,
#chk-task-4:checked ~ .app-layout #task-card-4 .custom-checkbox svg,
#chk-task-5:checked ~ .app-layout #task-card-5 .custom-checkbox svg,
#chk-task-6:checked ~ .app-layout #task-card-6 .custom-checkbox svg,
#chk-task-7:checked ~ .app-layout #task-card-7 .custom-checkbox svg,
#chk-task-8:checked ~ .app-layout #task-card-8 .custom-checkbox svg {
  transform: scale(1);
}

#chk-task-1:checked ~ .app-layout #task-card-1 .status-indicator::after,
#chk-task-2:checked ~ .app-layout #task-card-2 .status-indicator::after,
#chk-task-3:checked ~ .app-layout #task-card-3 .status-indicator::after,
#chk-task-4:checked ~ .app-layout #task-card-4 .status-indicator::after,
#chk-task-5:checked ~ .app-layout #task-card-5 .status-indicator::after,
#chk-task-6:checked ~ .app-layout #task-card-6 .status-indicator::after,
#chk-task-7:checked ~ .app-layout #task-card-7 .status-indicator::after,
#chk-task-8:checked ~ .app-layout #task-card-8 .status-indicator::after {
  content: "✅ Selesai";
  color: #047857;
  background-color: var(--success-light);
}

/* ==========================================================================
   STATUS FILTER LOGIC (Pending vs Completed)
   ========================================================================== */
/* When 'Belum Selesai' tab is active, hide cards that are completed */
#status-pending:checked ~ #chk-task-1:checked ~ .app-layout #task-card-1,
#status-pending:checked ~ #chk-task-2:checked ~ .app-layout #task-card-2,
#status-pending:checked ~ #chk-task-3:checked ~ .app-layout #task-card-3,
#status-pending:checked ~ #chk-task-4:checked ~ .app-layout #task-card-4,
#status-pending:checked ~ #chk-task-5:checked ~ .app-layout #task-card-5,
#status-pending:checked ~ #chk-task-6:checked ~ .app-layout #task-card-6,
#status-pending:checked ~ #chk-task-7:checked ~ .app-layout #task-card-7,
#status-pending:checked ~ #chk-task-8:checked ~ .app-layout #task-card-8 {
  display: none !important;
}

/* When 'Selesai' tab is active, hide all cards except those that are checked */
#status-completed:checked ~ .app-layout .task-card {
  display: none !important;
}

#status-completed:checked ~ #chk-task-1:checked ~ .app-layout #task-card-1,
#status-completed:checked ~ #chk-task-2:checked ~ .app-layout #task-card-2,
#status-completed:checked ~ #chk-task-3:checked ~ .app-layout #task-card-3,
#status-completed:checked ~ #chk-task-4:checked ~ .app-layout #task-card-4,
#status-completed:checked ~ #chk-task-5:checked ~ .app-layout #task-card-5,
#status-completed:checked ~ #chk-task-6:checked ~ .app-layout #task-card-6,
#status-completed:checked ~ #chk-task-7:checked ~ .app-layout #task-card-7,
#status-completed:checked ~ #chk-task-8:checked ~ .app-layout #task-card-8 {
  display: block !important;
}

/* ==========================================================================
   TASK LIST & CARD STYLING
   ========================================================================== */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.task-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.task-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-color-hover);
  transform: translateY(-2px);
}

/* Priority Left Accent Border */
.task-card.priority-high {
  border-left: 5px solid var(--danger);
}

.task-card.priority-med {
  border-left: 5px solid var(--warning);
}

.task-card.priority-low {
  border-left: 5px solid var(--success);
}

.task-main-row {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

/* Checkbox Label Trigger */
.custom-checkbox-wrap {
  cursor: pointer;
  display: inline-flex;
  position: relative;
  flex: 0 0 24px;
  height: 24px;
  padding-top: 0;
  user-select: none;
}

.custom-checkbox-wrap .task-checkbox {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}

.custom-checkbox {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  border: 2px solid var(--border-color-hover);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-card);
  transition: var(--transition);
  color: transparent;
}

.custom-checkbox svg {
  width: 15px;
  height: 15px;
  transition: var(--transition);
  transform: scale(0.6);
}

.custom-checkbox-wrap:hover .custom-checkbox {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.task-checkbox:checked + .custom-checkbox {
  background-color: var(--success);
  border-color: var(--success);
  color: #ffffff;
}

.task-checkbox:checked + .custom-checkbox svg {
  transform: scale(1);
}

.task-checkbox:focus-visible + .custom-checkbox {
  outline: 3px solid var(--primary-glow);
  outline-offset: 3px;
}

.task-card.is-completed {
  opacity: 0.72;
  background-color: var(--bg-card-subtle);
  border-color: var(--border-color);
  border-left-color: var(--success) !important;
}

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

.task-card.is-completed .status-indicator::after {
  content: "✅ Selesai";
  color: #047857;
  background-color: var(--success-light);
}

/* Default Status Indicator Badge */
.status-indicator::after {
  content: "⏳ Belum Selesai";
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #0284c7;
  background-color: var(--secondary-light);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
}

/* Task Body Content */
.task-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.task-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.15rem;
}

/* Subject Badges with Vivid Pastel Themes */
.subject-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  letter-spacing: 0.01em;
}

.bg-math { background-color: #ede9fe; color: #5b21b6; }
.bg-physics { background-color: #dbeafe; color: #1e40af; }
.bg-chem { background-color: #fce7f3; color: #9d174d; }
.bg-bio { background-color: #dcfce7; color: #166534; }
.bg-lang { background-color: #ffedd5; color: #9a3412; }
.bg-eng { background-color: #e0e7ff; color: #3730a3; }
.bg-it { background-color: #cffafe; color: #155e75; }
.bg-org { background-color: #fef3c7; color: #854d0e; }

/* Dark Mode Subject Colors */
#theme-toggle:checked ~ .app-layout .bg-math { background-color: rgba(139, 92, 246, 0.2); color: #c4b5fd; }
#theme-toggle:checked ~ .app-layout .bg-physics { background-color: rgba(59, 130, 246, 0.2); color: #93c5fd; }
#theme-toggle:checked ~ .app-layout .bg-chem { background-color: rgba(236, 72, 153, 0.2); color: #f472b6; }
#theme-toggle:checked ~ .app-layout .bg-bio { background-color: rgba(34, 197, 94, 0.2); color: #86efac; }
#theme-toggle:checked ~ .app-layout .bg-lang { background-color: rgba(249, 115, 22, 0.2); color: #fdba74; }
#theme-toggle:checked ~ .app-layout .bg-eng { background-color: rgba(99, 102, 241, 0.2); color: #a5b4fc; }
#theme-toggle:checked ~ .app-layout .bg-it { background-color: rgba(6, 182, 212, 0.2); color: #67e8f9; }
#theme-toggle:checked ~ .app-layout .bg-org { background-color: rgba(234, 179, 8, 0.2); color: #fde047; }

/* Priority Badges */
.priority-badge {
  font-size: 0.725rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-sm);
}

.p-high { background-color: var(--danger-light); color: var(--danger); }
.p-med { background-color: var(--warning-light); color: #b45309; }
.p-low { background-color: var(--success-light); color: #047857; }

#theme-toggle:checked ~ .app-layout .p-med { color: #fcd34d; }
#theme-toggle:checked ~ .app-layout .p-low { color: #6ee7b7; }

.task-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
  transition: var(--transition);
}

.task-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.task-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

.task-submission {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.55rem;
}

.submit-task-button {
  border: 0;
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  background: var(--primary);
  color: #ffffff;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
}

.submit-task-button:hover:not(:disabled) {
  background: var(--primary-hover);
}

.submit-task-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.submission-complete {
  color: var(--success);
  font-size: 0.8rem;
  font-weight: 700;
}

.proof-link {
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 700;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.meta-item svg {
  width: 15px;
  height: 15px;
}

.text-danger {
  color: var(--danger);
  font-weight: 700;
}

.text-warning {
  color: #b45309;
  font-weight: 700;
}

#theme-toggle:checked ~ .app-layout .text-warning {
  color: #fbbf24;
}

/* Accordion Component (<details>) */
.task-accordion {
  margin-top: 0.65rem;
  border-top: 1px dashed var(--border-color);
  padding-top: 0.65rem;
}

.accordion-header {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.accordion-header::-webkit-details-marker {
  display: none;
}

.accordion-header .chevron {
  width: 15px;
  height: 15px;
  transition: transform 0.25s ease;
}

.task-accordion[open] .accordion-header .chevron {
  transform: rotate(180deg);
}

.accordion-content {
  margin-top: 0.75rem;
  padding: 0.85rem;
  background-color: var(--bg-card-subtle);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.825rem;
}

.subtask-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.subtask-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.subtask-item input[type="checkbox"] {
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.subtask-item input[type="checkbox"]:checked + .subtask-text {
  text-decoration: line-through;
  color: var(--text-subtle);
}

.task-notes-box {
  border-top: 1px solid var(--border-color);
  padding-top: 0.5rem;
  color: var(--text-muted);
}

/* ==========================================================================
   SIDEBAR WIDGETS
   ========================================================================== */
.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.widget-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.widget-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.widget-icon {
  font-size: 1.25rem;
}

.widget-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Pomodoro Widget */
.pomodoro-widget {
  background: linear-gradient(145deg, var(--bg-card) 0%, var(--bg-card-subtle) 100%);
  border-top: 3.5px solid var(--primary);
}

.timer-display {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 1.15rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.timer-digit {
  display: block;
  font-size: 2.35rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--primary);
  font-family: monospace;
}

.timer-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.2rem;
}

.pomodoro-steps {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.step-item.active {
  color: var(--primary);
  font-weight: 700;
}

.step-bullet {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  color: var(--text-main);
}

.step-item.active .step-bullet {
  background-color: var(--primary);
  color: #ffffff;
}

/* Upcoming Exams */
.upcoming-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.upcoming-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.upcoming-item:hover {
  background-color: var(--bg-card-subtle);
}

.upcoming-date {
  width: 44px;
  height: 48px;
  background-color: var(--primary-light);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  line-height: 1;
}

.upcoming-date .day {
  font-size: 1.15rem;
  font-weight: 800;
}

.upcoming-date .month {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-top: 0.15rem;
}

.upcoming-info h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
}

.upcoming-info p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Motivational Quote */
.quote-widget {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
  border: 1px dashed var(--primary);
  position: relative;
}

.quote-symbol {
  font-size: 3rem;
  line-height: 1;
  color: var(--primary);
  opacity: 0.3;
  margin-bottom: -1rem;
}

.quote-text {
  font-size: 0.875rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--text-main);
}

.quote-author {
  font-size: 0.775rem;
  font-weight: 700;
  color: var(--primary);
  margin-top: 0.35rem;
  display: block;
}

/* Badge Cloud */
.badge-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

/* ==========================================================================
   PURE CSS MODAL (Triggered via #modal-add-task:checked)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.28s ease, visibility 0.28s ease;
}

/* Clickable Backdrop */
.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
}

.modal-window {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 580px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: translateY(20px) scale(0.96);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

#modal-add-task:checked ~ .modal-overlay {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#modal-add-task:checked ~ .modal-overlay .modal-window {
  transform: translateY(0) scale(1);
}

.modal-header {
  padding: 1.5rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.modal-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-icon svg {
  width: 22px;
  height: 22px;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
}

.modal-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.btn-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-subtle);
  cursor: pointer;
  transition: var(--transition);
}

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

.btn-close svg {
  width: 18px;
  height: 18px;
}

/* Modal Form Controls */
.modal-form {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

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

.form-label {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--text-main);
}

.required {
  color: var(--danger);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: inherit;
  font-size: 0.875rem;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-card-subtle);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  outline: none;
  transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--primary);
  background-color: var(--bg-card);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

/* Priority Radio Buttons in Modal */
.priority-options {
  display: flex;
  gap: 0.5rem;
}

.priority-radio-label {
  flex: 1;
  cursor: pointer;
}

.priority-radio-label input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.p-opt-pill {
  display: block;
  text-align: center;
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  border: 1.5px solid var(--border-color);
  background-color: var(--bg-card-subtle);
  color: var(--text-muted);
  transition: var(--transition);
}

.priority-radio-label input[type="radio"]:checked + .p-opt-high {
  border-color: var(--danger);
  background-color: var(--danger-light);
  color: var(--danger);
}

.priority-radio-label input[type="radio"]:checked + .p-opt-med {
  border-color: var(--warning);
  background-color: var(--warning-light);
  color: #b45309;
}

.priority-radio-label input[type="radio"]:checked + .p-opt-low {
  border-color: var(--success);
  background-color: var(--success-light);
  color: #047857;
}

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-color);
  margin-top: 0.5rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.app-footer {
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-card);
  padding: 1.5rem 2rem;
  text-align: center;
  margin-top: auto;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-sub {
  font-size: 0.775rem;
  margin-top: 0.25rem;
  color: var(--text-subtle);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .content-columns {
    grid-template-columns: 1fr;
  }

  .sidebar-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
  }

  .main-container {
    padding: 1rem;
    gap: 1.25rem;
  }

  .hero-card {
    padding: 1.5rem;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .stat-card {
    padding: 1rem;
    gap: 0.85rem;
  }

  .stat-icon-box {
    width: 40px;
    height: 40px;
  }

  .stat-number {
    font-size: 1.5rem;
  }

  .sidebar-section {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .date-badge {
    display: none;
  }

  .user-grade {
    display: none;
  }

  .show-mobile-only {
    display: inline-flex;
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .filter-tabs {
    overflow-x: auto;
    padding-bottom: 0.35rem;
    flex-wrap: nowrap;
  }

  .tab-pill {
    white-space: nowrap;
    padding: 0.45rem 0.85rem;
    font-size: 0.8rem;
  }

  .task-main-row {
    gap: 0.85rem;
  }

  .modal-window {
    padding: 0;
  }
}

/* ==========================================================================
   PRINT OPTIMIZATION (@media print)
   ========================================================================== */
@media print {
  .app-header,
  .hero-btn-wrap,
  .toolbar-card,
  .modal-overlay,
  .theme-switch,
  .app-footer {
    display: none !important;
  }

  body {
    background: #ffffff !important;
    color: #000000 !important;
  }

  .task-card {
    border: 1px solid #ccc !important;
    break-inside: avoid;
    box-shadow: none !important;
  }
}


/* ==========================================================================
   SUPABASE REAL-TIME STATUS NOTICE BANNER
   ========================================================================== */
.supabase-status-banner {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.08) 0%, rgba(14, 165, 233, 0.08) 100%);
  border: 1px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.25rem;
  font-size: 0.825rem;
  color: var(--text-main);
  animation: fadeIn 0.3s ease;
}

.banner-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.banner-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.banner-guide {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
}

.banner-guide code {
  background-color: var(--bg-card-subtle);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  font-weight: 700;
  color: var(--primary);
}