/* ==========================================================================
   PMF PROJECT MONITORING - MAIN CSS DESIGN SYSTEM
   Theme: Custom 4-Tier Fresh Cyan-Mint Telecom Palette:
   - Tier 1: #30AFFF (Electric Azure Blue)
   - Tier 2: #92EEFF (Luminous Sky Aqua Cyan)
   - Tier 3: #D8FFC5 (Pastel Lime Mint)
   - Tier 4: #C4F7CA (Fresh Seafoam Green)
   ========================================================================== */

:root {
  /* User-Provided 4-Tier Palette */
  --palette-tier-1: #30AFFF; /* Electric Azure Blue */
  --palette-tier-2: #92EEFF; /* Luminous Sky Aqua Cyan */
  --palette-tier-3: #D8FFC5; /* Pastel Lime Mint */
  --palette-tier-4: #C4F7CA; /* Fresh Seafoam Green */

  /* Dark Theme Surfaces (Harmonized Deep Oceanic Tech Canvas) */
  --bg-body: #051020;
  --bg-card: rgba(8, 25, 48, 0.72);
  --bg-card-hover: rgba(12, 35, 68, 0.85);
  --bg-card-solid: #091c34;
  --bg-input: rgba(6, 18, 36, 0.85);
  --bg-input-focus: rgba(9, 27, 52, 0.95);
  
  /* Borders & Glows */
  --border-color: rgba(48, 175, 255, 0.22);
  --border-subtle: rgba(146, 238, 255, 0.12);
  --border-active: rgba(146, 238, 255, 0.55);
  --accent-blue-glow: rgba(48, 175, 255, 0.35);
  --accent-cyan-glow: rgba(146, 238, 255, 0.3);
  --accent-mint-glow: rgba(216, 255, 197, 0.25);
  
  /* Functional Accents */
  --accent-emerald: #10B981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.35);
  --accent-amber: #F59E0B;
  --accent-amber-glow: rgba(245, 158, 11, 0.3);
  --accent-rose: #F43F5E;
  --accent-rose-glow: rgba(244, 63, 94, 0.35);

  /* Typography Colors */
  --text-light: #FFFFFF;
  --text-main: #E2F1FD;
  --text-muted: #9BB8D4;
  --text-dim: #6282A2;
  --text-cyan: var(--palette-tier-2);
  --text-lime: var(--palette-tier-3);
  --text-mint: var(--palette-tier-4);
  --text-emerald: #34D399;
  --text-amber: #FBBF24;
  --text-rose: #FB7185;

  /* Typography Fonts */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Segoe UI Mono', monospace;

  /* Spacing & Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 22px;
  --radius-full: 9999px;

  /* Effects */
  --glass-blur: blur(16px);
  --shadow-sm: 0 2px 8px rgba(2, 8, 16, 0.5);
  --shadow-md: 0 8px 24px rgba(2, 8, 16, 0.7);
  --shadow-lg: 0 16px 36px rgba(2, 8, 16, 0.85);

  /* Transitions */
  --trans-fast: 0.15s ease;
  --trans-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --trans-theme: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

/* Enable smooth transitions globally when switching themes */
body.theme-transitioning,
body.theme-transitioning *,
body.theme-transitioning *::before,
body.theme-transitioning *::after {
  transition: var(--trans-theme) !important;
}

/* Light Theme Variables (High Contrast & Modern Clean Aesthetics) */
[data-theme="light"] {
  --bg-body: #f1f5f9;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #ffffff;
  --bg-card-solid: #ffffff;
  --bg-input: #f8fafc;
  --bg-input-focus: #ffffff;
  
  --border-color: #cbd5e1;
  --border-subtle: #e2e8f0;
  --border-active: #0284c7;
  
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.09);
  --shadow-lg: 0 16px 36px rgba(15, 23, 42, 0.12);

  --text-light: #0f172a;
  --text-main: #1e293b;
  --text-muted: #475569;
  --text-dim: #64748b;
  --text-cyan: #0284c7;
  --text-lime: #15803d;
  --text-mint: #047857;
  --text-emerald: #059669;
  --text-amber: #b45309;
  --text-rose: #be123c;
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(203, 213, 225, 0.8);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .role-admin {
  color: #0369a1;
  font-weight: 800;
}

[data-theme="light"] .role-user {
  color: #0d9488;
  font-weight: 800;
}

[data-theme="light"] .user-badge {
  background: #f1f5f9;
  border-color: #cbd5e1;
}

[data-theme="light"] .user-name {
  color: #0f172a;
}

[data-theme="light"] .btn-secondary {
  background: #ffffff;
  border-color: #94a3b8;
  color: #0f172a;
  font-weight: 700;
}

[data-theme="light"] .btn-secondary:hover {
  background: #e0f2fe;
  border-color: #0284c7;
  color: #0284c7;
}

[data-theme="light"] .btn-secondary svg {
  stroke: #0f172a;
}

[data-theme="light"] .btn-secondary:hover svg {
  stroke: #0284c7;
}

[data-theme="light"] .dashboard-sticky-header,
[data-theme="light"] .detail-header-card {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(203, 213, 225, 0.8);
}

[data-theme="light"] .mobile-nav-drawer {
  background: rgba(255, 255, 255, 0.98);
}

[data-theme="light"] .center-popup-container,
[data-theme="light"] .modal-container {
  background: #ffffff !important;
  border-color: #cbd5e1 !important;
  box-shadow: 0 25px 60px rgba(15, 23, 42, 0.2) !important;
}

[data-theme="light"] .form-control {
  border-color: #cbd5e1;
  color: #0f172a;
  background: #ffffff;
}

[data-theme="light"] .form-control:focus {
  border-color: #0284c7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

/* Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-main);
  min-height: 100vh;
  line-height: 1.5;
  overflow-x: clip; /* Uses clip to prevent horizontal scroll without breaking position: sticky */
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-light);
  letter-spacing: -0.02em;
}

/* App Wrapper */
.app-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  position: relative;
  z-index: 2;
}

/* TOP NAVBAR */
.app-header {
  position: relative;
  z-index: 100;
  background: rgba(5, 16, 32, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 0.7rem 0;
  box-shadow: 0 4px 24px rgba(2, 8, 16, 0.7);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  max-width: 60%;
}

.brand-logo-img {
  height: 38px;
  max-width: 240px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(48, 175, 255, 0.4));
  transition: transform var(--trans-fast);
}

.brand-logo-img:hover {
  transform: scale(1.02);
}

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

/* User Profile Badge */
.user-badge {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  padding: 0.3rem 0.75rem 0.3rem 0.35rem;
}

/* Mobile Nav Controls & Hamburger Button */
.mobile-nav-controls {
  display: none;
  align-items: center;
  gap: 0.6rem;
}

.mobile-user-badge-header {
  cursor: pointer;
  padding: 0.25rem 0.65rem 0.25rem 0.35rem;
  transition: all var(--trans-fast);
  max-width: 220px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
}

.mobile-user-badge-header:hover {
  background: var(--bg-card-hover);
  border-color: var(--palette-tier-2);
}

.mobile-user-badge-header .user-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 150px;
  font-weight: 700;
  color: var(--text-light);
}

.mobile-hamburger-btn {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--palette-tier-2);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--trans-normal);
}

.mobile-hamburger-btn:hover, .mobile-hamburger-btn.active {
  background: var(--bg-card-hover);
  border-color: var(--palette-tier-2);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(146, 238, 255, 0.3);
}

/* Mobile Nav Drawer (Collapsible Dropdown Menu) */
.mobile-nav-drawer {
  display: none;
  background: rgba(4, 14, 28, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-active);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9);
  padding: 0;
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.16, 1, 0.3, 1), padding 0.35s ease;
}

.mobile-nav-drawer.show {
  max-height: 680px;
  padding: 1.25rem;
}

.mobile-drawer-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.mobile-user-card {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
}

.mobile-user-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.mobile-user-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-light);
}

.mobile-menu-items {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

@media (max-width: 991px) {
  .desktop-only-nav {
    display: none !important;
  }

  .mobile-nav-controls {
    display: flex;
  }

  .mobile-nav-drawer {
    display: block;
  }

  .brand-logo-img {
    height: 32px;
    max-width: 160px;
  }
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--palette-tier-1), var(--palette-tier-2));
  color: #051020;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.8rem;
  box-shadow: 0 0 8px rgba(48, 175, 255, 0.4);
}

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

.user-name {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-light);
  line-height: 1.1;
}

.user-role-tag {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.role-admin {
  color: var(--palette-tier-3);
}

.role-user {
  color: var(--palette-tier-2);
}

/* Main Content Area */
.main-content {
  flex: 1;
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
  padding: 1.25rem 1.5rem 3rem;
}

/* View Containers (Single Page Application Router) */
.view-container {
  display: none;
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.view-container.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Scrollbar customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-body);
}

::-webkit-scrollbar-thumb {
  background: rgba(48, 175, 255, 0.35);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--palette-tier-1);
}