/* ============================================================
   mobile.css — KopdesAcademy (KAC) Fase 4C
   Primary: #00897B (Teal Edukasi)
   Self-contained — no @import except Google Fonts
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@24,400,0,0&display=swap');

/* ============================================================
   RULE ZERO — [hidden] must always be hidden
   ============================================================ */
[hidden] { display: none !important; }

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  /* Teal Edukasi Palette */
  --color-teal-50:  #E0F2F1;
  --color-teal-100: #B2DFDB;
  --color-teal-200: #80CBC4;
  --color-teal-300: #4DB6AC;
  --color-teal-400: #26A69A;
  --color-teal-500: #00897B;
  --color-teal-600: #00796B;
  --color-teal-700: #00695C;
  --color-teal-800: #00574B;
  --color-teal-900: #004D40;

  /* Accent Amber */
  --color-amber-50:  #FFF8E1;
  --color-amber-100: #FFECB3;
  --color-amber-300: #FFD54F;
  --color-amber-500: #FFC107;
  --color-amber-700: #F57F17;

  /* Neutral */
  --color-neutral-0:   #FFFFFF;
  --color-neutral-50:  #F8FAFB;
  --color-neutral-100: #F1F5F4;
  --color-neutral-200: #E2ECEA;
  --color-neutral-300: #C5D5D2;
  --color-neutral-400: #8FA8A4;
  --color-neutral-500: #5E7F7B;
  --color-neutral-600: #3D5E5A;
  --color-neutral-700: #2A4441;
  --color-neutral-800: #1A2E2C;
  --color-neutral-900: #0D1A19;

  /* Semantic */
  --color-success:      #4CAF50;
  --color-success-50:   #E8F5E9;
  --color-warning:      #FF9800;
  --color-warning-50:   #FFF3E0;
  --color-error:        #F44336;
  --color-error-50:     #FFEBEE;
  --color-info:         #2196F3;
  --color-info-50:      #E3F2FD;

  /* Semantic tokens — Light Mode */
  --color-bg-primary:     var(--color-neutral-0);
  --color-bg-secondary:   var(--color-neutral-50);
  --color-bg-card:        var(--color-neutral-0);
  --color-bg-overlay:     rgba(0, 0, 0, 0.5);

  --color-text-primary:   var(--color-neutral-900);
  --color-text-secondary: var(--color-neutral-500);
  --color-text-disabled:  var(--color-neutral-400);
  --color-text-inverse:   var(--color-neutral-0);
  --color-text-on-primary: var(--color-neutral-0);

  --color-brand-primary:  var(--color-teal-500);
  --color-brand-dark:     var(--color-teal-700);
  --color-brand-light:    var(--color-teal-100);
  --color-brand-surface:  var(--color-teal-50);

  --color-border-default: var(--color-neutral-200);
  --color-border-focus:   var(--color-teal-500);

  --color-nav-bg:         var(--color-neutral-0);
  --color-nav-border:     var(--color-neutral-200);
  --color-nav-active:     var(--color-teal-500);
  --color-nav-inactive:   var(--color-neutral-400);

  --color-progress-track: var(--color-neutral-200);
  --color-progress-fill:  var(--color-teal-500);
  --color-progress-done:  var(--color-success);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Noto Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --text-xs:   11px;
  --text-sm:   13px;
  --text-base: 15px;
  --text-md:   17px;
  --text-lg:   20px;
  --text-xl:   24px;
  --text-2xl:  28px;
  --text-3xl:  34px;

  /* Spacing */
  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-5:  20px;
  --space-6:  24px;
  --space-8:  32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;

  /* Layout */
  --content-padding-x: var(--space-4);
  --content-padding-y: var(--space-4);
  --nav-height:        60px;
  --header-height:     52px;
  --safe-area-bottom:  env(safe-area-inset-bottom, 0px);

  /* Border Radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   16px;
  --radius-2xl:  20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow:   400ms ease;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg-primary:     #0D1A19;
  --color-bg-secondary:   #1A2E2C;
  --color-bg-card:        #1A2E2C;

  --color-text-primary:   #E0F2F1;
  --color-text-secondary: #8FA8A4;
  --color-text-disabled:  #3D5E5A;

  --color-brand-primary:  #4DB6AC;
  --color-brand-dark:     #80CBC4;
  --color-brand-light:    #00695C;
  --color-brand-surface:  #1A2E2C;

  --color-border-default: #2A4441;
  --color-border-focus:   #4DB6AC;

  --color-nav-bg:         #0D1A19;
  --color-nav-border:     #2A4441;
  --color-nav-active:     #4DB6AC;
  --color-nav-inactive:   #5E7F7B;

  --color-progress-track: #2A4441;
  --color-progress-fill:  #4DB6AC;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  height: 100%;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  background: #e5e7eb;
  display: flex;
  justify-content: center;
}

body {
  margin: 0 auto;
  padding: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  width: 100%;
  max-width: 430px;
  min-height: 100svh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  box-shadow: 0 0 40px rgba(0,0,0,.15);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

p { margin: 0; }

a {
  color: var(--color-brand-primary);
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: var(--text-base);
}

ul, ol { margin: 0; padding: 0; list-style: none; }

/* Material Symbols */
.material-symbols-rounded {
  font-family: 'Material Symbols Rounded';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  user-select: none;
}

/* ============================================================
   APP SHELL
   ============================================================ */
.app-root,
.mobile-app {
  display: flex;
  flex-direction: column;
  height: 100svh;
  background: var(--color-bg-primary);
  overflow: hidden;
}

/* View Layer — used for screen switching */
.view-layer {
  display: flex;
  flex-direction: column;
  height: 100svh;
  overflow: hidden;
}

.screen {
  display: flex;
  flex-direction: column;
  height: 100svh;
  overflow: hidden;
}

/* ============================================================
   HEADER
   ============================================================ */
.mobile-header {
  display: flex;
  align-items: center;
  height: var(--header-height);
  padding: 0 var(--space-4);
  background: var(--color-bg-primary);
  border-bottom: 1px solid var(--color-border-default);
  flex-shrink: 0;
  gap: var(--space-3);
}

.header-title {
  flex: 1;
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-back {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.header-back:active {
  background: var(--color-bg-secondary);
}

.header-action {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  cursor: pointer;
  flex-shrink: 0;
}

.header-action:active {
  background: var(--color-bg-secondary);
}

.header-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.header-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.3;
}

/* ============================================================
   MOBILE CONTENT (scrollable area)
   ============================================================ */
.mobile-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
  background: var(--color-bg-secondary);
}

.mobile-content::-webkit-scrollbar {
  display: none;
}

/* ============================================================
   BOTTOM NAVIGATION
   ============================================================ */
.mobile-nav {
  background: var(--color-nav-bg);
  border-top: 1px solid var(--color-nav-border);
  flex-shrink: 0;
  padding-bottom: var(--safe-area-bottom);
}

.nav-tabs {
  display: flex;
  align-items: stretch;
  height: var(--nav-height);
}

.nav-tab {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  cursor: pointer;
  color: var(--color-nav-inactive);
  text-decoration: none;
  min-height: 44px;
  padding: var(--space-1) var(--space-2);
  transition: color var(--transition-fast);
  border: none;
  background: none;
  font-family: inherit;
}

.nav-tab:active {
  background: var(--color-brand-surface);
}

.nav-tab.active {
  color: var(--color-nav-active);
}

.nav-tab-icon {
  font-size: 24px;
  line-height: 1;
}

.nav-tab.active .nav-tab-icon {
  font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.nav-tab-label {
  font-size: 10px;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
}

.nav-tab-badge {
  position: absolute;
  top: 6px;
  right: calc(50% - 16px);
  background: var(--color-error);
  color: white;
  font-size: 9px;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
}

/* ============================================================
   SECTION PADDING
   ============================================================ */
.section-padding {
  padding: var(--space-4) var(--content-padding-x);
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.text-xs    { font-size: var(--text-xs); line-height: 1.4; }
.text-sm    { font-size: var(--text-sm); line-height: 1.5; }
.text-base  { font-size: var(--text-base); line-height: 1.6; }
.text-md    { font-size: var(--text-md); line-height: 1.5; }
.text-lg    { font-size: var(--text-lg); line-height: 1.4; }
.text-xl    { font-size: var(--text-xl); line-height: 1.3; }
.text-2xl   { font-size: var(--text-2xl); line-height: 1.2; }
.text-3xl   { font-size: var(--text-3xl); line-height: 1.1; }

.text-primary   { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-brand     { color: var(--color-brand-primary); }
.text-white     { color: #FFFFFF; }
.text-error     { color: var(--color-error); }
.text-success   { color: var(--color-success); }
.text-warning   { color: var(--color-warning); }
.text-center    { text-align: center; }
.text-right     { text-align: right; }

.font-medium   { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   SPACING UTILITIES
   ============================================================ */
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }

.px-3 { padding-left: var(--space-3); padding-right: var(--space-3); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }

.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }

/* ============================================================
   FLEXBOX & GRID UTILITIES
   ============================================================ */
.flex          { display: flex; }
.flex-col      { flex-direction: column; }
.flex-row      { flex-direction: row; }
.items-center  { align-items: center; }
.items-start   { align-items: flex-start; }
.items-end     { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.justify-center  { justify-content: center; }
.justify-end     { justify-content: flex-end; }
.flex-1        { flex: 1; }
.flex-wrap     { flex-wrap: wrap; }
.flex-shrink-0 { flex-shrink: 0; }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

/* ============================================================
   CARD COMPONENTS
   ============================================================ */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.card-flat {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
}

.card-bordered {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  border: 1px solid var(--color-border-default);
}

.card-header {
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border-default);
  margin-bottom: var(--space-3);
}

.card-body { /* no extra styles needed, inherits */ }

.card-footer {
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border-default);
  margin-top: var(--space-3);
}

.card-thumbnail {
  margin: calc(-1 * var(--space-4));
  margin-bottom: var(--space-3);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
}

/* ============================================================
   BUTTON COMPONENTS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity var(--transition-fast), background var(--transition-fast);
  border: none;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
}

.btn:active { opacity: 0.85; }

.btn:disabled,
.btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--color-brand-primary);
  color: var(--color-text-on-primary);
}

.btn-secondary {
  background: var(--color-brand-surface);
  color: var(--color-brand-primary);
}

.btn-outline {
  background: transparent;
  color: var(--color-brand-primary);
  border: 1.5px solid var(--color-brand-primary);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-primary);
}

.btn-ghost:active {
  background: var(--color-bg-secondary);
}

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

.btn-sm {
  min-height: 36px;
  padding: 0 var(--space-3);
  font-size: var(--text-sm);
}

.btn-lg {
  min-height: 52px;
  padding: 0 var(--space-6);
  font-size: var(--text-md);
}

.btn-full { width: 100%; }

.btn-icon {
  width: 44px;
  height: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: var(--radius-lg);
}

.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}

/* ============================================================
   FORM COMPONENTS
   ============================================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-primary);
}

.form-input {
  height: 48px;
  width: 100%;
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: 0 var(--space-4);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(0, 137, 123, 0.15);
}

.form-input.error {
  border-color: var(--color-error);
}

.form-input::placeholder {
  color: var(--color-text-disabled);
}

.form-textarea {
  min-height: 96px;
  width: 100%;
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(0, 137, 123, 0.15);
}

.form-select {
  height: 48px;
  width: 100%;
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-md);
  padding: 0 var(--space-4);
  font-size: var(--text-base);
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  cursor: pointer;
  outline: none;
  appearance: none;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon-left {
  position: absolute;
  left: var(--space-3);
  color: var(--color-text-secondary);
  pointer-events: none;
}

.input-icon-right {
  position: absolute;
  right: var(--space-3);
  color: var(--color-text-secondary);
}

.input-wrapper .form-input.has-icon-left {
  padding-left: var(--space-10);
}

.input-wrapper .form-input.has-icon-right {
  padding-right: var(--space-10);
}

/* ============================================================
   BADGE & CHIP
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.4;
}

.badge-primary {
  background: var(--color-brand-light);
  color: var(--color-brand-dark);
}

.badge-secondary {
  background: var(--color-neutral-200);
  color: var(--color-neutral-700);
}

.badge-success {
  background: var(--color-success-50);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-50);
  color: var(--color-warning);
}

.badge-error {
  background: var(--color-error-50);
  color: var(--color-error);
}

.chip {
  display: inline-flex;
  align-items: center;
  height: 32px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  background: var(--color-bg-secondary);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border-default);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.chip.active {
  background: var(--color-brand-surface);
  color: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
}

/* ============================================================
   LIST COMPONENTS
   ============================================================ */
.list { display: flex; flex-direction: column; }

.list-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  min-height: 56px;
  cursor: pointer;
}

.list-item:active {
  background: var(--color-bg-secondary);
}

.list-item-leading {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.list-item-content {
  flex: 1;
  overflow: hidden;
}

.list-item-trailing {
  flex-shrink: 0;
  color: var(--color-text-disabled);
}

.divider {
  height: 1px;
  background: var(--color-border-default);
  margin: 0;
}

.divider-section {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ============================================================
   AVATAR & IMAGE
   ============================================================ */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-brand-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-brand-primary);
  font-weight: 700;
}

.avatar-sm { width: 32px; height: 32px; }
.avatar-lg { width: 56px; height: 56px; }
.avatar-xl { width: 72px; height: 72px; }

.avatar-placeholder {
  background: var(--color-brand-surface);
  color: var(--color-brand-primary);
  font-size: var(--text-md);
  font-weight: 700;
}

.img-cover   { object-fit: cover; width: 100%; height: 100%; }
.img-contain { object-fit: contain; width: 100%; height: 100%; }

.aspect-ratio-video  { aspect-ratio: 16 / 9; }
.aspect-ratio-square { aspect-ratio: 1 / 1; }

/* ============================================================
   OVERLAY & MODAL
   ============================================================ */
.overlay {
  position: absolute;
  inset: 0;
  background: var(--color-bg-overlay);
  z-index: 100;
  display: flex;
  align-items: flex-end;
}

.modal {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  width: 100%;
  padding: var(--space-5) var(--space-4);
  padding-bottom: calc(var(--space-5) + var(--safe-area-bottom));
}

.modal-header {
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body { margin-bottom: var(--space-4); }

.modal-footer {
  display: flex;
  gap: var(--space-3);
}

.bottom-sheet {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
  padding: var(--space-4);
  width: 100%;
}

.bottom-sheet-handle {
  width: 36px;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-300);
  margin: 0 auto var(--space-4);
}

.toast {
  position: fixed;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-neutral-800);
  color: white;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  font-weight: 500;
  z-index: 200;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}

.toast-success { background: var(--color-success); }
.toast-error   { background: var(--color-error); }
.toast-info    { background: var(--color-info); }

/* ============================================================
   STATE COMPONENTS
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  gap: var(--space-3);
}

.empty-state-icon {
  font-size: 56px;
  color: var(--color-neutral-300);
}

.empty-state-title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text-primary);
}

.empty-state-desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12);
}

.skeleton {
  background: linear-gradient(90deg, var(--color-neutral-100) 25%, var(--color-neutral-200) 50%, var(--color-neutral-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 14px;
  border-radius: var(--radius-sm);
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-xl);
}

@keyframes skeleton-loading {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-6);
  text-align: center;
  gap: var(--space-3);
}

/* ============================================================
   OFFLINE & SYNC
   ============================================================ */
.offline-banner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-amber-50);
  color: var(--color-amber-700);
  font-size: var(--text-sm);
  font-weight: 500;
  border-bottom: 1px solid var(--color-amber-100);
  flex-shrink: 0;
}

.sync-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  padding: 4px var(--space-2);
  border-radius: var(--radius-full);
}

.sync-status-ok {
  color: var(--color-success);
  background: var(--color-success-50);
}

.sync-status-pending {
  color: var(--color-warning);
  background: var(--color-warning-50);
}

.sync-status-syncing {
  color: var(--color-brand-primary);
  background: var(--color-brand-surface);
}

.download-btn {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-brand-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-default);
  background: var(--color-bg-card);
}

.downloaded-badge {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: var(--text-xs);
  color: var(--color-success);
  background: var(--color-success-50);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

/* ============================================================
   DOMAIN: COURSE CARD
   ============================================================ */
.course-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}

.course-card:active {
  transform: scale(0.99);
}

.course-card-thumbnail {
  aspect-ratio: 16 / 9;
  background: var(--color-brand-surface);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.course-card-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.course-card-badge {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
}

.course-card-body {
  padding: var(--space-3) var(--space-4) var(--space-4);
}

.course-card-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.course-card-meta {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.course-card-progress {
  margin-bottom: var(--space-3);
}

.course-card-actions {
  display: flex;
  gap: var(--space-2);
}

.course-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--content-padding-x);
}

/* Learning Path */
.learning-path-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.learning-path-header {
  background: var(--color-brand-primary);
  padding: var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: white;
}

.learning-path-courses {
  padding: var(--space-3) var(--space-4) var(--space-4);
}

/* Module List */
.module-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.module-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.module-item:active {
  background: var(--color-bg-secondary);
}

.module-item.completed .module-item-icon {
  color: var(--color-success);
}

.module-item.active {
  background: var(--color-brand-surface);
}

.module-item.active .module-item-icon {
  color: var(--color-brand-primary);
}

.module-item.locked {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

.module-item-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: var(--color-bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  flex-shrink: 0;
}

.module-item-duration {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.enroll-section {
  padding: var(--space-4) var(--content-padding-x);
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-default);
}

/* ============================================================
   DOMAIN: PROGRESS BAR
   ============================================================ */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-progress-track);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--color-progress-fill);
  border-radius: var(--radius-full);
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.progress-bar--lg { height: 10px; }
.progress-bar--xl { height: 14px; }

.progress-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-brand-primary);
}

.progress-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.progress-stats {
  display: flex;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.streak-counter {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-weight: 700;
  color: var(--color-amber-700);
}

.streak-flame {
  font-size: 20px;
}

.learning-stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-3);
}

.learning-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2);
}

/* ============================================================
   DOMAIN: VIDEO PLAYER
   ============================================================ */
.video-container {
  background: #000;
  width: 100%;
}

.video-wrapper {
  aspect-ratio: 16 / 9;
  width: 100%;
  position: relative;
  background: #000;
  overflow: hidden;
}

.video-player {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  cursor: pointer;
}

.video-controls {
  background: var(--color-bg-card);
  padding: var(--space-3) var(--space-4);
}

.video-seekbar {
  width: 100%;
  height: 4px;
  background: var(--color-neutral-200);
  border-radius: var(--radius-full);
  position: relative;
  cursor: pointer;
  margin-bottom: var(--space-3);
}

.video-seekbar-fill {
  height: 100%;
  background: var(--color-brand-primary);
  border-radius: var(--radius-full);
}

.video-seekbar-thumb {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 14px;
  background: var(--color-brand-primary);
  border-radius: var(--radius-full);
  box-shadow: 0 0 0 3px rgba(0, 137, 123, 0.3);
}

.video-time {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  font-variant-numeric: tabular-nums;
}

.video-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
}

.video-caption {
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-secondary);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  border-top: 1px solid var(--color-border-default);
  min-height: 60px;
}

.video-speed {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-brand-primary);
  padding: var(--space-1) var(--space-2);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-sm);
}

.video-fullscreen {
  margin-left: auto;
  color: var(--color-text-secondary);
}

/* ============================================================
   DOMAIN: QUIZ
   ============================================================ */
.quiz-container {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.quiz-header {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border-default);
  flex-shrink: 0;
}

.quiz-progress {
  margin-top: var(--space-2);
}

.quiz-question {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.5;
  padding: var(--space-5) var(--space-4) var(--space-4);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0 var(--space-4) var(--space-4);
  flex: 1;
  overflow-y: auto;
}

.quiz-option {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-lg);
  cursor: pointer;
  background: var(--color-bg-card);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  min-height: 56px;
}

.quiz-option:active {
  background: var(--color-bg-secondary);
}

.quiz-option.selected {
  border-color: var(--color-brand-primary);
  background: var(--color-brand-surface);
}

.quiz-option.correct {
  border-color: var(--color-success);
  background: var(--color-success-50);
}

.quiz-option.wrong {
  border-color: var(--color-error);
  background: var(--color-error-50);
}

.quiz-option-marker {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--color-border-default);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  font-weight: 700;
  flex-shrink: 0;
  color: var(--color-text-secondary);
}

.quiz-option.selected .quiz-option-marker {
  background: var(--color-brand-primary);
  border-color: var(--color-brand-primary);
  color: white;
}

.quiz-option-text {
  font-size: var(--text-base);
  color: var(--color-text-primary);
  line-height: 1.5;
  flex: 1;
}

.quiz-submit {
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-default);
  flex-shrink: 0;
}

.quiz-navigation {
  display: flex;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  gap: var(--space-3);
}

.quiz-timer {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
}

/* Quiz Result */
.quiz-result {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-8) var(--space-4);
  gap: var(--space-4);
  text-align: center;
}

.result-score {
  font-size: 64px;
  font-weight: 700;
  color: var(--color-brand-primary);
  line-height: 1;
}

.result-grade {
  font-size: var(--text-xl);
  font-weight: 700;
}

.result-grade.pass  { color: var(--color-success); }
.result-grade.fail  { color: var(--color-error); }

.result-details {
  width: 100%;
  background: var(--color-bg-secondary);
  border-radius: var(--radius-xl);
  padding: var(--space-4);
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

.result-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
}

/* ============================================================
   DOMAIN: CERTIFICATE
   ============================================================ */
.certificate-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid var(--color-amber-300);
  box-shadow: var(--shadow-md);
}

.certificate-header {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-dark) 100%);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  color: white;
}

.certificate-body {
  padding: var(--space-5) var(--space-4);
  text-align: center;
}

.certificate-name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

.certificate-course {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.certificate-date {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
}

.certificate-id {
  font-size: var(--text-xs);
  color: var(--color-text-disabled);
  font-family: var(--font-mono);
  margin-top: var(--space-1);
}

.certificate-seal {
  display: flex;
  justify-content: center;
  margin: var(--space-4) 0;
  color: var(--color-amber-500);
  font-size: 48px;
}

.certificate-actions {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-4);
  border-top: 1px solid var(--color-border-default);
}

.certificate-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-4) var(--content-padding-x);
}

.certificate-empty {
  text-align: center;
  padding: var(--space-12) var(--space-6);
}

/* ============================================================
   DOMAIN: MODULE NAVIGATION
   ============================================================ */
.module-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-primary);
  border-top: 1px solid var(--color-border-default);
  flex-shrink: 0;
  gap: var(--space-3);
}

.module-nav-prev,
.module-nav-next {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-brand-primary);
  cursor: pointer;
  min-height: 44px;
  padding: 0 var(--space-2);
}

.module-nav-prev:disabled,
.module-nav-next:disabled {
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

.module-nav-info {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
}

.module-content {
  padding: var(--space-4) var(--content-padding-x);
  flex: 1;
  overflow-y: auto;
}

.module-title {
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-4);
}

.module-body {
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-text-primary);
}

.module-body p  { margin-bottom: var(--space-4); }
.module-body h2 { font-size: var(--text-lg); margin: var(--space-6) 0 var(--space-3); }
.module-body h3 { font-size: var(--text-md); margin: var(--space-5) 0 var(--space-2); }
.module-body ul { list-style: disc; padding-left: var(--space-5); margin-bottom: var(--space-4); }
.module-body li { margin-bottom: var(--space-2); }
.module-body strong { font-weight: 600; }

.module-complete-btn {
  padding: var(--space-4) var(--content-padding-x);
}

.reading-progress {
  height: 3px;
  background: var(--color-progress-track);
  position: relative;
}

.reading-progress-fill {
  height: 100%;
  background: var(--color-brand-primary);
  transition: width 0.1s linear;
}

/* ============================================================
   ONBOARDING
   ============================================================ */
.onboarding-container {
  display: flex;
  flex-direction: column;
  height: 100svh;
  background: var(--color-bg-primary);
}

.onboarding-slides {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.onboarding-slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-8) var(--space-6) var(--space-4);
  transition: transform var(--transition-slow);
}

.onboarding-illustration {
  width: 240px;
  height: 240px;
  border-radius: var(--radius-full);
  background: var(--color-brand-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--color-brand-primary);
  font-size: 80px;
}

.onboarding-title {
  font-size: var(--text-2xl);
  font-weight: 700;
  text-align: center;
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
}

.onboarding-description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  text-align: center;
  line-height: 1.7;
}

.onboarding-dots {
  display: flex;
  gap: var(--space-2);
  justify-content: center;
  padding: var(--space-4) 0;
}

.onboarding-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-300);
  transition: background var(--transition-normal), width var(--transition-normal);
}

.onboarding-dot.active {
  background: var(--color-brand-primary);
  width: 24px;
}

.onboarding-actions {
  padding: var(--space-4) var(--space-6);
  padding-bottom: calc(var(--space-6) + var(--safe-area-bottom));
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* ============================================================
   SPLASH SCREEN
   ============================================================ */
.splash-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100svh;
  background: var(--color-brand-primary);
  gap: var(--space-4);
}

.splash-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: splash-appear 0.8s ease-out both;
}

.splash-logo-icon {
  width: 88px;
  height: 88px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: white;
  margin-bottom: var(--space-3);
}

.splash-logo-text {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: white;
  letter-spacing: -0.5px;
}

.splash-tagline {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  animation: splash-appear 0.8s 0.3s ease-out both;
}

.splash-loader {
  position: absolute;
  bottom: calc(var(--space-10) + var(--safe-area-bottom));
  display: flex;
  gap: var(--space-1);
}

.splash-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.5);
  animation: splash-dot 1.2s infinite;
}

.splash-dot:nth-child(2) { animation-delay: 0.2s; }
.splash-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes splash-dot {
  0%, 80%, 100% { opacity: 0.5; transform: scale(1); }
  40%           { opacity: 1; transform: scale(1.2); }
}

@keyframes splash-appear {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   SEARCH & FILTER
   ============================================================ */
.search-bar {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  height: 44px;
  width: 100%;
  border: 1.5px solid var(--color-border-default);
  border-radius: var(--radius-full);
  padding: 0 var(--space-4) 0 44px;
  font-size: var(--text-base);
  font-family: inherit;
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-input:focus {
  border-color: var(--color-border-focus);
  background: var(--color-bg-primary);
}

.search-icon {
  position: absolute;
  left: var(--space-3);
  color: var(--color-text-secondary);
  pointer-events: none;
}

.filter-bar {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  padding: var(--space-2) var(--space-4);
  scrollbar-width: none;
}

.filter-bar::-webkit-scrollbar { display: none; }

.filter-chip {
  flex-shrink: 0;
}

.sort-menu {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-brand-primary);
  cursor: pointer;
  padding: var(--space-2) var(--space-3);
}

/* ============================================================
   PROFILE
   ============================================================ */
.profile-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6) var(--space-4) var(--space-4);
  background: var(--color-brand-primary);
  color: white;
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  border: 3px solid rgba(255, 255, 255, 0.5);
  overflow: hidden;
  margin-bottom: var(--space-3);
  background: rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  color: white;
}

.profile-name {
  font-size: var(--text-lg);
  font-weight: 700;
  color: white;
}

.profile-role {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
  margin-top: var(--space-1);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.profile-stats .learning-stat {
  border-right: 1px solid var(--color-border-default);
}

.profile-stats .learning-stat:last-child {
  border-right: none;
}

.profile-menu {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.profile-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  cursor: pointer;
  border-bottom: 1px solid var(--color-border-default);
  min-height: 56px;
}

.profile-menu-item:last-child { border-bottom: none; }

.profile-menu-item:active {
  background: var(--color-bg-secondary);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  cursor: pointer;
}

.theme-toggle-switch {
  width: 48px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-neutral-300);
  position: relative;
  transition: background var(--transition-normal);
  flex-shrink: 0;
}

.theme-toggle-switch::after {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: white;
  top: 3px;
  left: 3px;
  transition: transform var(--transition-normal);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

[data-theme="dark"] .theme-toggle-switch {
  background: var(--color-brand-primary);
}

[data-theme="dark"] .theme-toggle-switch::after {
  transform: translateX(20px);
}

.logout-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  color: var(--color-error);
  cursor: pointer;
  width: 100%;
  font-size: var(--text-base);
  font-weight: 500;
}

/* ============================================================
   NOTIFICATION & ALERT
   ============================================================ */
.notification-item {
  display: flex;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border-default);
}

.notification-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-brand-primary);
  flex-shrink: 0;
  margin-top: 6px;
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
}

.alert-info    { background: var(--color-info-50);    color: var(--color-info);    }
.alert-success { background: var(--color-success-50); color: var(--color-success); }
.alert-warning { background: var(--color-warning-50); color: var(--color-warning); }
.alert-error   { background: var(--color-error-50);   color: var(--color-error);   }

/* ============================================================
   UTILITIES
   ============================================================ */
.hidden      { display: none; }
.invisible   { visibility: hidden; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.w-full   { width: 100%; }
.h-full   { height: 100%; }
.overflow-hidden { overflow: hidden; }
.overflow-auto   { overflow: auto; }
.rounded-full    { border-radius: var(--radius-full); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.relative  { position: relative; }
.absolute  { position: absolute; }
.inset-0   { top: 0; right: 0; bottom: 0; left: 0; }
.opacity-50 { opacity: 0.5; }
.cursor-pointer { cursor: pointer; }
.select-none    { user-select: none; }

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

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slide-up {
  from { transform: translateY(20px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.spin     { animation: spin 1s linear infinite; }
.fade-in  { animation: fade-in var(--transition-normal) ease-out both; }
.slide-up { animation: slide-up var(--transition-normal) ease-out both; }

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--content-padding-x) var(--space-2);
}

.section-title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-text-primary);
}

.section-action {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-brand-primary);
  cursor: pointer;
}

/* ============================================================
   BERANDA SPECIFICS
   ============================================================ */
.greeting-section {
  background: linear-gradient(135deg, var(--color-brand-primary) 0%, var(--color-brand-dark) 100%);
  padding: var(--space-5) var(--space-4);
  color: white;
}

.greeting-text {
  font-size: var(--text-sm);
  opacity: 0.85;
  margin-bottom: var(--space-1);
}

.greeting-name {
  font-size: var(--text-xl);
  font-weight: 700;
}

.greeting-progress {
  margin-top: var(--space-4);
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-3) var(--space-4);
}

.progress-bar.light .progress-bar-fill {
  background: white;
}

/* Horizontal scroll cards */
.horizontal-scroll {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding: 0 var(--content-padding-x) var(--space-2);
  scrollbar-width: none;
}

.horizontal-scroll::-webkit-scrollbar { display: none; }

.horizontal-card {
  flex-shrink: 0;
  width: 260px;
}