@tailwind base;
@tailwind components;
@tailwind utilities;

/* ===========================
   Global Variables & Design System
   =========================== */
:root {
  /* Colors - Light Mode Default */
  --bg-body: #f8fafc;
  --bg-surface: #ffffff;
  --text-main: #000000; /* ดำสนิทสำหรับหัวข้อ */
  --text-secondary: #111827; /* เทาเข้มมากสำหรับคำอธิบาย */
  --primary: #3b82f6; /* Primary Blue */

  /* Semantic mappings */
  --border-color: #e2e8f0;
  --primary-hover: #2563eb;

  /* Keeping remaining semantic vars */
  --primary-light: #eff6ff;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Typography */
  /* Typography */
  --font-main:
    "Prompt", "Sarabun", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Roboto", "Helvetica Neue", Arial, sans-serif;

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 64px;
  --container-max-width: 1440px;
  --radius-md: 8px;
  --radius-xl: 24px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  --gradient-surface: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.8) 0%,
    rgba(255, 255, 255, 0.4) 100%
  );
  --gradient-glow: radial-gradient(
    circle at center,
    rgba(59, 130, 246, 0.15) 0%,
    transparent 70%
  );
}

/* Dark Mode (applied when `.dark` class is present on <html>) */
.dark {
  /* Deep Oceanic 3-Level Surfaces */
  --bg-body: #020617; /* Slate 950: Deep Sea */
  --bg-surface: #0f172a; /* Slate 900: Sidebar/Main Cards */
  --bg-elevated: #1e293b; /* Slate 800: Inner Cards/Highlights */

  --text-main: #f8fafc; /* text-slate-50: Brighter white for main text */
  --text-secondary: #94a3b8; /* text-slate-300: Lighter grey for secondary text */
  --border-color: rgba(
    255,
    255,
    255,
    0.08
  ); /* White with low opacity for subtle borders */
  --neutral-50: #1e293b;
  --neutral-100: #334155;
  --neutral-200: #475569;
  --neutral-300: #64748b;
  --neutral-400: #94a3b8;
  --neutral-500: #cbd5e1;
  --neutral-600: #f1f5f9;
  --neutral-700: #f8fafc;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md:
    0 4px 12px -2px rgb(0 0 0 / 0.12), 0 2px 6px -2px rgb(0 0 0 / 0.08);
  --shadow-lg:
    0 12px 24px -4px rgb(0 0 0 / 0.15), 0 8px 16px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 40px -8px rgb(0 0 0 / 0.25);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  transition-property: background-color, color, border-color;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 200ms;
}

html {
  background-color: var(--bg-body);
  color: var(--text-main);
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  background-image:
    radial-gradient(
      circle at 20% 20%,
      rgba(75, 130, 247, 0.05),
      transparent 28%
    ),
    radial-gradient(circle at 80% 0%, rgba(68, 212, 168, 0.05), transparent 24%);
  background-attachment: fixed;
}

a {
  text-decoration: none;
  color: #3b82f6;
  transition: color 0.2s;
}

a:hover {
  color: #2563eb;
}

.dark a {
  color: #60a5fa;
}

.dark a:hover {
  color: #93c5fd;
}

ul {
  list-style: none;
}

/* ===========================
   Layout Shells
   =========================== */

/* App Layout (Sidebar + Header) */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  grid-template-rows: var(--header-height) 1fr;
  min-height: 100vh;
  background-color: #ffffff;
  color: var(--text-main);
}

.dark .app-shell {
  background-color: var(--bg-body);
  color: #f1f5f9;
}
/* Removed redundant .dark .app-shell override to rely on variables */

.app-header {
  grid-column: 1 / -1;
  background-color: var(--bg-surface);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 40;
  position: sticky;
  top: 0;
}

.dark .app-header {
  background-color: #1e293b;
  border-bottom-color: rgba(255, 255, 255, 0.05);
  color: #f1f5f9;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #f1f5f9;
  margin-right: 12px;
  padding: 4px;
}

.dark .menu-toggle {
  color: #f1f5f9;
}

.app-sidebar {
  grid-row: 2 / -1;
  background-color: var(--bg-surface);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--header-height));
  position: sticky;
  top: var(--header-height);
  overflow-y: auto;
}

.dark .app-sidebar {
  background-color: #1e293b;
  border-right-color: rgba(255, 255, 255, 0.05);
  color: #f1f5f9;
}

.app-main {
  grid-column: 2 / -1;
  padding: 32px;
  max-width: var(--container-max-width);
  width: 100%;
  margin: 0 auto;
  background-color: var(--bg-body);
  color: var(--text-main);
}

.dark .app-main {
  background-color: #0f172a;
  color: #f1f5f9;
}

/* Auth Layout - Always Light for Auth Pages */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #ffffff; /* เปลี่ยนเป็นสีขาวล้วน */
  color: #0f172a; /* สีข้อความเข้ม */
  padding: 24px;
}

/* ===========================
   Components
   =========================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  border: 1px solid transparent;
  gap: 8px;
}

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

.btn-secondary {
  background-color: transparent;
  border-color: #e2e8f0;
  color: #1e293b;
}
.btn-secondary:hover {
  background-color: #f1f5f9;
}

.dark .btn-secondary {
  border-color: rgba(255, 255, 255, 0.1);
  color: #f1f5f9;
}

.dark .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.05);
}

.btn-success {
  background-color: var(--success);
  color: white;
}
.btn-success:hover {
  filter: brightness(90%);
}

.btn-google {
  background-color: #ffffff;
  border: 1px solid #e2e8f0;
  color: #1e293b;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.btn-google:hover {
  background-color: #f8fafc;
  border-color: #cbd5e1;
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transform: translateY(-1px);
}

.btn-google:active {
  transform: translateY(0);
  background-color: #f1f5f9;
}

/* Cards */
.card {
  background-color: var(--bg-surface);
  color: var(--text-main);
  border-radius: var(--radius-xl);
  padding: 24px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition:
    transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.dark .card {
  background-color: #1e293b;
  color: #f1f5f9;
  border-color: rgba(255, 255, 255, 0.05);
  box-shadow: 0 20px 50px -12px rgba(0, 0, 0, 0.5);
}

.dark .card:hover {
  box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.6);
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.glass-dark {
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Gradients Utilities */
.bg-gradient-primary {
  background: var(--gradient-primary);
}

.text-gradient {
  background: linear-gradient(to right, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Forms */
.input-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 8px;
  color: #f1f5f9;
}

.input-field {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color); /* use variable */
  border-radius: var(--radius-md);
  background-color: var(--bg-surface); /* use variable, defaults to white */
  color: var(--text-main); /* use variable, defaults to black */
  font-family: inherit;
}
.input-field:focus {
  outline: 2px solid #3b82f6;
  border-color: transparent;
}

.dark .input-label {
  color: #f1f5f9;
}

.dark .input-field {
  border-color: var(--border-color);
  background-color: var(--neutral-800); /* dark background */
  color: var(--text-main);
}

.dark .input-field:focus {
  outline-color: #60a5fa;
}

/* Nav Items */
.nav-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  color: #64748b;
  font-weight: 500;
  margin-bottom: 4px;
  transition: all 0.2s;
}
.nav-item.active {
  background-color: #eff6ff;
  color: #3b82f6;
}
.nav-item:hover:not(.active) {
  background-color: #f1f5f9;
}

.dark .nav-item {
  color: #cbd5e1;
}

.dark .nav-item.active {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.dark .nav-item:hover:not(.active) {
  background-color: rgba(255, 255, 255, 0.05);
}

/* Status Pills */
.status-pill {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  display: inline-block;
}
.status-success {
  background-color: #d1fae5;
  color: #065f46;
}
.status-warning {
  background-color: #fef3c7;
  color: #92400e;
}
.status-neutral {
  background-color: var(--neutral-100);
  color: var(--neutral-600);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 9999px;
  border: 1px solid var(--border-color);
  padding: 4px 12px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* ===========================
   Grid System
   =========================== */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
}

.col-span-12 {
  grid-column: span 12 / span 12;
}
.col-span-9 {
  grid-column: span 9 / span 9;
  min-width: 0;
}
.col-span-8 {
  grid-column: span 8 / span 8;
}
.col-span-6 {
  grid-column: span 6 / span 6;
}
.col-span-4 {
  grid-column: span 4 / span 4;
}
.col-span-3 {
  grid-column: span 3 / span 3;
}

/* ===========================
   Course Grids
   =========================== */
.course-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  width: 100%;
  min-width: 0;
}

.course-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.course-thumb {
  height: 160px;
  background: var(--neutral-200);
}

.my-courses-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

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

.profile-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

/* ===========================
   Utility Classes
   =========================== */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-1 {
  flex: 1 1 0%;
}
.items-center {
  align-items: center;
}
.items-start {
  align-items: flex-start;
}
.justify-between {
  justify-content: space-between;
}
.justify-center {
  justify-content: center;
}
.justify-end {
  justify-content: flex-end;
}
.gap-2 {
  gap: 8px;
}
.gap-3 {
  gap: 12px;
}
.gap-4 {
  gap: 16px;
}
.gap-6 {
  gap: 24px;
}
.mb-2 {
  margin-bottom: 8px;
}
.mb-4 {
  margin-bottom: 16px;
}
.mb-6 {
  margin-bottom: 24px;
}
.mb-8 {
  margin-bottom: 32px;
}
.mt-auto {
  margin-top: auto;
}
.p-2 {
  padding: 8px;
}
.p-3 {
  padding: 12px;
}
.p-4 {
  padding: 16px;
}
.text-sm {
  font-size: 0.875rem;
}
.text-xs {
  font-size: 0.75rem;
}
.text-xl {
  font-size: 1.25rem;
}
.text-muted {
  color: var(--text-secondary);
}
.text-primary {
  color: var(--primary);
}
.text-success {
  color: var(--success);
}
.text-error {
  color: var(--error);
}
.font-bold {
  font-weight: 700;
}
.w-full {
  width: 100%;
}
.text-center {
  text-align: center;
}
.rounded {
  border-radius: var(--radius-md);
}
.border-b {
  border-bottom: 1px solid var(--border-color);
}
.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 32px;
  width: 100%;
}

/* ===========================
   Responsive Helpers
   =========================== */
.hidden-mobile {
  display: block;
}
.only-mobile {
  display: none;
}

/* Mobile Bottom Nav */
.mobile-nav {
  display: none;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  color: var(--text-secondary);
  font-size: 10px;
  padding: 8px;
  flex: 1;
  text-align: center;
}
.mobile-nav-item.active {
  color: var(--primary);
}
.mobile-nav-item span:first-child {
  font-size: 20px;
}

/* Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  z-index: 90;
}
.sidebar-overlay.show {
  display: block;
}

/* ===========================
   Responsive Breakpoints
   =========================== */

/* Tablet & Mobile */
@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: var(--header-height) 1fr auto;
  }

  .app-sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    bottom: 0;
    width: 280px;
    z-index: 100;
    transition: left 0.3s ease;
    box-shadow: 10px 0 15px -3px rgba(0, 0, 0, 0.1);
    height: 100vh;
  }

  .app-sidebar.open {
    left: 0;
  }

  .menu-toggle {
    display: block;
  }

  .app-main {
    grid-column: 1 / -1;
    padding: 20px;
  }

  .grid-12 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .col-span-8,
  .col-span-9,
  .col-span-6,
  .col-span-4,
  .col-span-3 {
    grid-column: span 6;
  }

  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 64px;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-color);
    z-index: 50;
    justify-content: space-around;
    align-items: center;
  }

  body {
    padding-bottom: 64px;
  }

  .my-courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .course-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hidden-mobile {
    display: none !important;
  }
  .only-mobile {
    display: block !important;
  }
  .col-span-8,
  .col-span-4,
  .col-span-6 {
    grid-column: span 12;
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 0 16px;
  }

  .grid-12 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .col-span-12,
  .col-span-9,
  .col-span-8,
  .col-span-6,
  .col-span-4,
  .col-span-3 {
    grid-column: span 1;
  }

  h1 {
    font-size: 22px !important;
  }
  .card {
    padding: 16px;
  }

  .my-courses-grid {
    grid-template-columns: 1fr;
  }
  .course-grid {
    grid-template-columns: 1fr;
  }
  .recommended-grid {
    grid-template-columns: 1fr;
  }
  .profile-info-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .mobile-stack {
    flex-direction: column;
    align-items: flex-start !important;
    gap: 12px;
  }
}

@media (max-width: 1200px) {
  .my-courses-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 900px) {
  .my-courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===========================
   Learning Room Layout
   =========================== */
.learning-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  grid-template-rows: 56px 1fr;
  height: 100vh;
  overflow: hidden;
  background: #0f172a;
  color: #f8fafc;
}

.learning-header {
  grid-column: 1 / -1;
  background: #1e293b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 50;
}

.learning-sidebar {
  grid-row: 2;
  grid-column: 1;
  background: #111827;
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  height: calc(100vh - 56px);
}

.lesson-item {
  padding: 14px 20px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s;
  color: #94a3b8;
  font-size: 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}
.lesson-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
}
.lesson-item.active {
  background-color: #1e293b;
  color: #3b82f6;
  font-weight: 600;
  box-shadow: inset 4px 0 0 #3b82f6;
}
.lesson-item.completed {
  color: #64748b;
}
.lesson-item.completed .icon-status {
  color: #10b981;
}
.lesson-item.locked {
  opacity: 0.6;
  cursor: not-allowed;
}

.chapter-header {
  padding: 16px 20px;
  background: #0f172a;
  font-weight: 700;
  font-size: 13px;
  color: white;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.main-container {
  grid-row: 2;
  grid-column: 2;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: #0b0e14;
  height: calc(100vh - 56px);
}

.video-wrapper {
  background: #000;
  width: 100%;
  aspect-ratio: 16/9;
  max-height: 70vh;
}

.content-area {
  padding: 40px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  flex-grow: 1;
}

.learning-footer {
  background: #111827;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  bottom: 0;
  z-index: 40;
}

.btn-nav {
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: 0.2s;
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-prev {
  background: rgba(255, 255, 255, 0.05);
  color: white;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-prev:hover {
  background: rgba(255, 255, 255, 0.1);
}
.btn-finish {
  background: rgba(255, 255, 255, 0.05);
  color: #cbd5e1;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.btn-finish:hover {
  border-color: #10b981;
  color: #10b981;
}
.btn-next {
  background: #2563eb;
  color: white;
  border: none;
}
.btn-next:hover {
  background: #1d4ed8;
}

/* Learning Room Responsive */
@media (max-width: 1024px) {
  .learning-shell {
    grid-template-columns: 1fr;
  }
  .learning-sidebar {
    position: fixed;
    left: -320px;
    top: 56px;
    bottom: 0;
    width: 320px;
    z-index: 100;
    transition: transform 0.3s ease;
  }
  .learning-sidebar.open {
    transform: translateX(320px);
  }

  .main-container {
    grid-column: 1 / -1;
  }
}

/* ===========================
   Certificate Styles
   =========================== */
.cert-container {
  background: white;
  padding: 60px;
  border-radius: 4px;
  text-align: center;
  border: 20px solid #1e293b;
  outline: 2px solid #d4af37;
  outline-offset: -10px;
  width: 100%;
  max-width: 800px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  color: #1e293b;
  overflow-y: auto;
  max-height: 90vh;
}
.cert-inner {
  border: 2px solid #d4af37;
  padding: 40px;
  position: relative;
}
.cert-title {
  font-family: "Prompt", serif;
  color: #1e293b;
  margin-bottom: 8px;
  font-size: 36px;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.cert-name {
  font-size: 48px;
  font-weight: 700;
  color: #1e293b;
  margin-bottom: 16px;
  font-family: "Prompt";
}
.cert-footer {
  display: flex;
  justify-content: space-between;
  align-items: end;
  margin-top: 60px;
  gap: 20px;
}

@media (max-width: 640px) {
  .cert-container {
    padding: 20px;
    border: 10px solid #1e293b;
  }
  .cert-inner {
    padding: 20px;
  }
  .cert-title {
    font-size: 20px;
  }
  .cert-name {
    font-size: 28px;
  }
  .cert-footer {
    flex-direction: column;
    align-items: center;
    margin-top: 30px;
  }
}

/* ===========================
   Empty States
   =========================== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}
.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
}
.empty-state-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.empty-state-description {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* ===========================
   Checkbox Visibility Enhancement
   =========================== */
.checkbox-visible .q-checkbox__bg {
  border: 2px solid #475569 !important; /* slate-600 - dark border for visibility */
}

.checkbox-visible .q-checkbox__svg {
  color: #ffffff !important; /* white checkmark */
}

.checkbox-visible.q-checkbox--truthy .q-checkbox__bg {
  background-color: #3b82f6 !important; /* primary blue when checked */
  border-color: #3b82f6 !important;
}

.checkbox-visible.q-checkbox--dense .q-checkbox__bg {
  border-width: 2px !important;
}

/* ✅ FORCE WHITE DROPDOWN เฉพาะ Light mode (กันทับ Dark mode) */
html:not(.dark) .q-menu,
html:not(.dark) .q-menu .q-list {
  background-color: #ffffff !important;
}

html:not(.dark) .q-menu .q-item {
  color: #0f172a !important;
  background-color: transparent !important;
}

html:not(.dark) .q-menu .q-item__label {
  color: #0f172a !important;
  font-weight: 400 !important;
}

html:not(.dark) .q-menu .q-item:hover {
  background-color: #f8fafc !important;
}

html:not(.dark) .q-menu .q-item--active,
html:not(.dark) .q-menu .q-item--active .q-item__label {
  background-color: transparent !important;
  color: #0f172a !important;
  font-weight: 500 !important;
}

html:not(.dark) .q-item__label,
html:not(.dark) .q-select__dropdown .q-item {
  color: #0f172a !important;
}
