/* ==========================================================================
   PORTAL STT-NF - MODERN DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Brand Palette - STT Terpadu Nurul Fikri */
  --primary-50: #EFF6FF;
  --primary-100: #DBEAFE;
  --primary-200: #BFDBFE;
  --primary-300: #93C5FD;
  --primary-400: #60A5FA;
  --primary-500: #3B82F6;
  --primary-600: #2563EB;
  --primary-700: #1D4ED8;
  --primary-800: #1E40AF;
  --primary-900: #1E3A8A;
  --primary-950: #0F172A;

  /* Accent & Gradients */
  --accent-cyan: #06B6D4;
  --accent-sky: #0EA5E9;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
  --accent-rose: #F43F5E;
  --accent-purple: #8B5CF6;

  /* Light Theme Defaults */
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #FFFFFF;
  --bg-surface-subtle: #F1F5F9;
  --bg-hero: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #0369A1 100%);
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  --border-subtle: #E2E8F0;
  --border-focus: #3B82F6;
  --border-glow: rgba(59, 130, 246, 0.35);

  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 8px 32px 0 rgba(15, 23, 42, 0.08);

  --shadow-sm: 0 1px 2px 0 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, 0.04);
  --shadow-hover: 0 22px 35px -10px rgba(15, 23, 42, 0.15);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* --------------------------------------------------------------------------
   2. Dark Theme Overrides
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
  --bg-main: #0B1120;
  --bg-surface: #131E33;
  --bg-surface-elevated: #1E293B;
  --bg-surface-subtle: #1E293B;
  --bg-hero: linear-gradient(135deg, #020617 0%, #0F172A 50%, #1E3A8A 100%);

  --text-primary: #F8FAFC;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --text-inverse: #0F172A;

  --border-subtle: #24344D;
  --border-focus: #60A5FA;
  --border-glow: rgba(96, 165, 250, 0.35);

  --glass-bg: rgba(19, 30, 51, 0.85);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 22px 35px -10px rgba(0, 0, 0, 0.8);
}

/* --------------------------------------------------------------------------
   3. Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --------------------------------------------------------------------------
   4. Navigation Bar
   -------------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: opacity var(--transition-fast);
}

.brand-link:hover {
  opacity: 0.9;
}

.brand-logo {
  width: auto;
  height: 42px;
  max-width: 140px;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-title {
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--primary-600), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .brand-title {
  background: linear-gradient(135deg, #60A5FA, #38BDF8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* Theme Toggle Button */
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--primary-100);
  color: var(--primary-700);
  border-color: var(--primary-300);
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-icon:hover {
  background-color: var(--primary-900);
  color: var(--primary-300);
  border-color: var(--primary-700);
}

.btn-nav-action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
  transition: all var(--transition-fast);
}

.btn-nav-action:hover {
  background: linear-gradient(135deg, var(--primary-700), var(--primary-800));
  box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}

/* SSO Login Button */
.btn-sso-login {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.52rem 0.95rem;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  font-weight: 700;
  background: var(--bg-surface);
  color: var(--primary-600);
  border: 1px solid var(--primary-300);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.btn-sso-login:hover {
  background: var(--primary-50);
  border-color: var(--primary-500);
  transform: translateY(-1px);
}

[data-theme="dark"] .btn-sso-login {
  background: var(--bg-surface-elevated);
  color: var(--primary-300);
  border-color: var(--primary-700);
}

[data-theme="dark"] .btn-sso-login:hover {
  background: var(--primary-900);
  border-color: var(--primary-500);
}

/* User Profile Navbar Widget */
.user-profile-menu {
  position: relative;
}

.user-profile-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0.75rem 0.35rem 0.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.user-profile-btn:hover {
  border-color: var(--primary-400);
  background: var(--bg-surface-elevated);
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary-500);
}

.user-info-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  line-height: 1.1;
  text-align: left;
}

.user-name {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-primary);
  max-width: 120px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--primary-600);
}

[data-theme="dark"] .user-role-badge {
  color: var(--primary-400);
}

/* Dropdown Menu */
.user-dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: 240px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem 0;
  z-index: 200;
  display: none;
  animation: fadeInDown 0.2s ease-out;
}

.user-dropdown-menu.show {
  display: block;
}

.dropdown-header {
  padding: 0.6rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dropdown-header strong {
  font-size: 0.875rem;
  color: var(--text-primary);
}

.dropdown-header small {
  font-size: 0.75rem;
  color: var(--text-muted);
  word-break: break-all;
}

.dropdown-divider {
  height: 1px;
  background: var(--border-subtle);
  margin: 0.4rem 0;
}

.dropdown-section-title {
  padding: 0.25rem 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.dropdown-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: left;
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--bg-surface-subtle);
  color: var(--primary-600);
}

.dropdown-item.active {
  background: var(--primary-50);
  color: var(--primary-700);
  font-weight: 700;
}

[data-theme="dark"] .dropdown-item.active {
  background: var(--primary-900);
  color: var(--primary-300);
}

.dropdown-item.text-danger {
  color: var(--accent-rose);
}

.dropdown-item.text-danger:hover {
  background: rgba(244, 63, 94, 0.1);
}

/* --------------------------------------------------------------------------
   5. Hero Section
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  background: var(--bg-hero);
  color: #FFFFFF;
  padding: 4.5rem 0 5.5rem;
  overflow: hidden;
}

.hero-mesh-bg {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(at 15% 25%, rgba(6, 182, 212, 0.25) 0px, transparent 50%),
    radial-gradient(at 85% 75%, rgba(59, 130, 246, 0.3) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(139, 92, 246, 0.15) 0px, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #E0F2FE;
  margin-bottom: 1.25rem;
  animation: fadeInDown 0.6s ease-out;
}

.hero-badge-pulse {
  width: 8px;
  height: 8px;
  background-color: #38BDF8;
  border-radius: 50%;
  box-shadow: 0 0 10px #38BDF8;
  animation: pulse 2s infinite;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-title-gradient {
  background: linear-gradient(135deg, #FFFFFF 30%, #7DD3FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.125rem;
  color: #E2E8F0;
  max-width: 680px;
  margin: 0 auto 2.25rem;
  line-height: 1.65;
  font-weight: 400;
}

/* Hero Search Box */
.search-wrapper {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25), 0 0 0 1px var(--glass-border);
  padding: 0.5rem 0.75rem 0.5rem 1.25rem;
  transition: all var(--transition-normal);
}

.search-box:focus-within {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35), 0 0 0 3px var(--border-focus);
  transform: translateY(-2px);
}

.search-icon {
  color: var(--text-muted);
  display: flex;
  align-items: center;
  flex-shrink: 0;
  margin-right: 0.75rem;
}

.search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 1rem;
  color: var(--text-primary);
  font-family: inherit;
  outline: none;
  min-width: 0;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.search-clear-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-surface-subtle);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.search-clear-btn.active {
  display: flex;
}

.search-clear-btn:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

.search-kbd {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.25rem 0.55rem;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  user-select: none;
}

/* Quick Chips */
.quick-tags {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.8125rem;
}

.quick-tags-label {
  color: #BAE6FD;
  font-weight: 600;
}

.quick-tag-chip {
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
  color: #FFFFFF;
  font-size: 0.775rem;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.quick-tag-chip:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

/* Role Switcher Pills Bar */
.role-switcher-section {
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.role-switcher-label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #E0F2FE;
  letter-spacing: 0.02em;
}

.role-tabs-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-chip-btn {
  padding: 0.4rem 0.95rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-full);
  color: #FFFFFF;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  backdrop-filter: blur(4px);
}

.role-chip-btn:hover {
  background: rgba(255, 255, 255, 0.22);
  transform: translateY(-1px);
}

.role-chip-btn.active {
  background: #FFFFFF;
  color: var(--primary-900);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  border-color: #FFFFFF;
}

/* Active Role Notice Banner */
.role-banner-container {
  margin-bottom: 1.5rem;
}

.active-role-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 1.25rem;
  background: linear-gradient(135deg, var(--primary-50), var(--bg-surface));
  border: 1px solid var(--primary-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  animation: fadeInDown 0.3s ease-out;
}

[data-theme="dark"] .active-role-notice {
  background: linear-gradient(135deg, var(--primary-950), var(--bg-surface-elevated));
  border-color: var(--primary-800);
}

.role-notice-icon {
  font-size: 1.25rem;
}

.role-notice-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.role-notice-text strong {
  color: var(--primary-700);
}

[data-theme="dark"] .role-notice-text strong {
  color: var(--primary-300);
}

.role-notice-reset {
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.775rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.role-notice-reset:hover {
  background: var(--primary-100);
  color: var(--primary-700);
  border-color: var(--primary-300);
}

[data-theme="dark"] .role-notice-reset:hover {
  background: var(--primary-900);
  color: var(--primary-300);
}

/* Login Modal */
.login-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  animation: fadeIn 0.25s ease-out;
}

.login-modal-overlay.show {
  display: flex;
}

.login-modal-card {
  width: 100%;
  max-width: 440px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  animation: cardFadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-modal-header {
  padding: 1.5rem 1.5rem 1rem;
  text-align: center;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.login-modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-surface-subtle);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.login-modal-close:hover {
  background: var(--border-subtle);
  color: var(--text-primary);
}

.login-modal-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-top: 0.5rem;
}

.login-modal-subtitle {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.login-modal-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Google Sign In Real / Demo Box */
.google-sso-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.persona-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.persona-option-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-align: left;
  transition: all var(--transition-fast);
}

.persona-option-btn:hover {
  background: var(--primary-50);
  border-color: var(--primary-400);
  color: var(--primary-700);
  transform: translateY(-1px);
}

[data-theme="dark"] .persona-option-btn:hover {
  background: var(--primary-900);
  border-color: var(--primary-600);
  color: var(--primary-300);
}

.persona-role-name {
  font-size: 0.875rem;
  font-weight: 700;
}

.persona-email-sample {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 400;
}

.login-modal-footer {
  padding: 1rem 1.5rem;
  background: var(--bg-surface-subtle);
  border-top: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   6. Main Content & Category Tabs
   -------------------------------------------------------------------------- */
.main-content {
  flex: 1;
  padding: 2.5rem 0 4rem;
}

.filter-section {
  margin-bottom: 2rem;
}

.filter-tabs-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.75rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.filter-tabs-container::-webkit-scrollbar {
  height: 4px;
}
.filter-tabs-container::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: var(--radius-full);
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-full);
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.filter-btn:hover {
  border-color: var(--primary-400);
  color: var(--primary-600);
  background: var(--bg-surface-elevated);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
  color: #FFFFFF;
  border-color: var(--primary-600);
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
}

.filter-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  background: var(--bg-surface-subtle);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.filter-btn.active .filter-count {
  background: rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
}

/* Results Status Bar */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.results-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
}

.results-badge-count {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   7. Cards Grid & Card Styles
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  animation: cardFadeIn 0.4s ease-out backwards;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-300);
}

[data-theme="dark"] .service-card:hover {
  border-color: var(--primary-600);
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.7), 0 0 20px rgba(59, 130, 246, 0.15);
}

/* Card Media */
.card-media {
  position: relative;
  width: 100%;
  height: 175px;
  background: #E2E8F0;
  overflow: hidden;
}

[data-theme="dark"] .card-media {
  background: #1E293B;
}

.card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform var(--transition-slow);
}

.service-card:hover .card-img {
  transform: scale(1.06);
}

.card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.6) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.service-card:hover .card-overlay {
  opacity: 1;
}

.overlay-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary-800);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all var(--transition-fast);
}

.overlay-btn:hover {
  background: #FFFFFF;
  transform: scale(1.05);
}

/* Card Header Badges & Actions */
.card-floating-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: var(--shadow-sm);
}

.badge-primary { background: #DBEAFE; color: #1E40AF; }
.badge-accent { background: #CFFAFE; color: #0E7490; }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FFE4E6; color: #9F1239; }
.badge-info { background: #E0E7FF; color: #3730A3; }
.badge-neutral { background: #F1F5F9; color: #334155; }

[data-theme="dark"] .badge-primary { background: #1E3A8A; color: #93C5FD; }
[data-theme="dark"] .badge-accent { background: #164E63; color: #67E8F9; }
[data-theme="dark"] .badge-success { background: #064E3B; color: #6EE7B7; }
[data-theme="dark"] .badge-warning { background: #78350F; color: #FCD34D; }
[data-theme="dark"] .badge-danger { background: #881337; color: #FDA4AF; }
[data-theme="dark"] .badge-info { background: #312E81; color: #A5B4FC; }
[data-theme="dark"] .badge-neutral { background: #334155; color: #CBD5E1; }

.card-fav-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(0, 0, 0, 0.05);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .card-fav-btn {
  background: rgba(19, 30, 51, 0.9);
  border-color: rgba(255, 255, 255, 0.1);
}

.card-fav-btn:hover {
  transform: scale(1.15);
  color: #F59E0B;
}

.card-fav-btn.is-favorite {
  color: #F59E0B;
}

.card-fav-btn.is-favorite svg {
  fill: #F59E0B;
}

/* Card Body */
.card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-category-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-600);
  margin-bottom: 0.35rem;
}

[data-theme="dark"] .card-category-label {
  color: var(--primary-400);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  transition: color var(--transition-fast);
}

.card-title a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.service-card:hover .card-title {
  color: var(--primary-600);
}

[data-theme="dark"] .service-card:hover .card-title {
  color: var(--primary-400);
}

.card-description {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 1.25rem;
  flex: 1;
}

/* Card Footer */
.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.875rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
}

.card-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 700;
  color: var(--primary-600);
  transition: all var(--transition-fast);
}

[data-theme="dark"] .card-link-btn {
  color: var(--primary-400);
}

.card-link-btn:hover {
  gap: 0.6rem;
  color: var(--primary-700);
}

.card-copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-subtle);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.card-copy-btn:hover {
  background: var(--primary-100);
  color: var(--primary-700);
  border-color: var(--primary-300);
}

[data-theme="dark"] .card-copy-btn:hover {
  background: var(--primary-900);
  color: var(--primary-300);
}

/* --------------------------------------------------------------------------
   8. Empty State & Quick Info Banner
   -------------------------------------------------------------------------- */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--bg-surface);
  border: 2px dashed var(--border-subtle);
  border-radius: var(--radius-xl);
  margin: 1.5rem 0;
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  color: var(--text-muted);
}

.empty-state-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.empty-state-desc {
  font-size: 0.925rem;
  color: var(--text-muted);
  max-width: 420px;
  margin: 0 auto 1.5rem;
}

.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: var(--primary-600);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-fast);
}

.btn-reset:hover {
  background: var(--primary-700);
  transform: translateY(-1px);
}

/* LTSI Info Banner */
.ltsi-banner {
  margin-top: 3.5rem;
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-surface-subtle));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.ltsi-banner-content {
  max-width: 720px;
}

.ltsi-banner-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-600);
  letter-spacing: 0.05em;
  margin-bottom: 0.25rem;
}

[data-theme="dark"] .ltsi-banner-tag {
  color: var(--primary-400);
}

.ltsi-banner-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.ltsi-banner-desc {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   9. Footer
   -------------------------------------------------------------------------- */
.footer {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

.footer-brand {
  max-width: 400px;
}

.footer-brand-header {
  margin-bottom: 1rem;
}

.footer-brand-logo {
  width: auto;
  height: 52px;
  max-width: 240px;
  object-fit: contain;
  display: block;
}

.footer-brand-desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-link {
  font-size: 0.875rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary-600);
}

[data-theme="dark"] .footer-link:hover {
  color: var(--primary-400);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.footer-copyright a {
  color: var(--primary-600);
  font-weight: 600;
}

[data-theme="dark"] .footer-copyright a {
  color: var(--primary-400);
}

/* --------------------------------------------------------------------------
   10. Toast Notification & Back to Top
   -------------------------------------------------------------------------- */
.toast-notification {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.25rem;
  background: var(--text-primary);
  color: var(--bg-surface);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 600;
  box-shadow: var(--shadow-xl);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  pointer-events: none;
}

.toast-notification.show {
  transform: translateY(0);
  opacity: 1;
}

.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 99;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-600);
  color: #FFFFFF;
  border-color: var(--primary-600);
}

/* --------------------------------------------------------------------------
   11. Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.4);
    opacity: 0.6;
  }
}

/* --------------------------------------------------------------------------
   12. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 992px) {
  .hero-title {
    font-size: 2.25rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .ltsi-banner {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 3rem 0 4rem;
  }
  .hero-title {
    font-size: 1.75rem;
  }
  .hero-description {
    font-size: 0.95rem;
    margin-bottom: 1.75rem;
  }
  .search-kbd {
    display: none;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}