/* ============================================
   SPDR-PP Custom Theme - Glassmorphism Design
   Color Palette:
   #1d2b32 | #2a2831 | #725236 | #9e9fae | #131e35
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ===== CSS Variables (Dark/Light) ===== */
:root {
  --primary-dark: #1d2b32;
  --secondary-dark: #2a2831;
  --accent: #725236;
  --accent-light: #9a7352;
  --muted: #9e9fae;
  --deepest: #131e35;

  /* Light Theme Defaults */
  --bg-body: #f0f2f5;
  --bg-card: #ffffff;
  --bg-sidebar: rgba(255,255,255,0.72);
  --bg-navbar: linear-gradient(135deg, #1d2b32, #131e35);
  --bg-glass: rgba(255,255,255,0.6);
  --bg-glass-hover: rgba(255,255,255,0.8);
  --text-primary: #1d2b32;
  --text-secondary: #5a5a6e;
  --text-muted: #9e9fae;
  --text-on-dark: #e8e9ed;
  --border-color: rgba(158,159,174,0.2);
  --shadow-sm: 0 2px 8px rgba(19,30,53,0.06);
  --shadow-md: 0 4px 20px rgba(19,30,53,0.1);
  --shadow-lg: 0 8px 40px rgba(19,30,53,0.14);
  --shadow-glow: 0 0 20px rgba(114,82,54,0.15);
  --glass-border: rgba(255,255,255,0.3);
  --sidebar-width: 260px;
  --radius: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --gradient-accent: linear-gradient(135deg, #725236, #9a7352);
  --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.9), rgba(255,255,255,0.7));
  --stat-1: linear-gradient(135deg, #1d2b32, #2a3f4a);
  --stat-2: linear-gradient(135deg, #725236, #9a7352);
  --stat-3: linear-gradient(135deg, #131e35, #1d2b4a);
  --stat-4: linear-gradient(135deg, #2a2831, #3d3a4a);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-body: #0f1923;
  --bg-card: rgba(29,43,50,0.7);
  --bg-sidebar: rgba(19,30,53,0.85);
  --bg-navbar: linear-gradient(135deg, #131e35, #0a1225);
  --bg-glass: rgba(42,40,49,0.5);
  --bg-glass-hover: rgba(42,40,49,0.7);
  --text-primary: #e8e9ed;
  --text-secondary: #bbbcc8;
  --text-muted: #9e9fae;
  --border-color: rgba(158,159,174,0.12);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 30px rgba(114,82,54,0.2);
  --glass-border: rgba(158,159,174,0.1);
  --gradient-card: linear-gradient(135deg, rgba(29,43,50,0.8), rgba(42,40,49,0.6));
}

/* ===== Base Reset ===== */
*, *::before, *::after { box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;
  background: var(--bg-body) !important;
  color: var(--text-primary) !important;
  transition: var(--transition);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

[data-theme="dark"] body {
  background: var(--bg-body) !important;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--muted); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ===== Navbar ===== */
.main-header.navbar {
  background: var(--bg-navbar) !important;
  border: none !important;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 0 1.5rem;
  height: 60px;
  box-shadow: var(--shadow-md);
  z-index: 1040;
}
.main-header .nav-link { color: rgba(255,255,255,0.85) !important; transition: var(--transition); }
.main-header .nav-link:hover { color: #fff !important; transform: scale(1.1); }
.main-header .nav-link i { font-size: 1.1rem; }

/* Theme Toggle in Navbar */
.theme-toggle-btn {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  position: relative;
  overflow: hidden;
}
.theme-toggle-btn:hover {
  background: rgba(255,255,255,0.2);
  transform: rotate(30deg) scale(1.1);
}
.theme-toggle-btn .fa-sun,
.theme-toggle-btn .fa-moon { transition: var(--transition); }

/* ===== Sidebar ===== */
.main-sidebar {
  background: var(--bg-sidebar) !important;
  backdrop-filter: blur(24px) saturate(1.5);
  -webkit-backdrop-filter: blur(24px) saturate(1.5);
  border-right: 1px solid var(--glass-border) !important;
  box-shadow: var(--shadow-lg) !important;
  transition: var(--transition);
  overflow: visible;
  top: 0;
  width: var(--sidebar-width);
}
[data-theme="dark"] .main-sidebar {
  background: var(--bg-sidebar) !important;
}

.brand-link {
  border-bottom: 1px solid var(--border-color) !important;
  padding: 14px 20px !important;
  display: flex !important;
  align-items: center !important;
  gap: 12px;
  height: 60px;
  background: transparent !important;
}
.brand-link .brand-text {
  font-weight: 700 !important;
  font-size: 0.95rem;
  color: var(--text-primary) !important;
  letter-spacing: -0.02em;
}
.brand-link .brand-icon {
  width: 34px; height: 34px;
  background: var(--gradient-accent);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 0.9rem;
  flex-shrink: 0;
}
[data-theme="dark"] .brand-link .brand-text { color: #fff !important; }

/* Sidebar Menu */
.sidebar { padding: 8px 0; }
.nav-sidebar { padding: 0 12px; }

.nav-sidebar .nav-item { margin-bottom: 2px; }
.nav-sidebar .nav-link {
  color: var(--text-secondary) !important;
  border-radius: var(--radius) !important;
  padding: 10px 14px !important;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
  overflow: hidden;
}
.nav-sidebar .nav-link::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  width: 0; height: 100%;
  background: var(--gradient-accent);
  border-radius: var(--radius);
  transition: var(--transition);
  opacity: 0;
  z-index: -1;
}
.nav-sidebar .nav-link:hover {
  color: var(--accent) !important;
  background: var(--bg-glass-hover);
  transform: translateX(4px);
}
.nav-sidebar .nav-link:hover::before { width: 3px; opacity: 1; }

.nav-sidebar .nav-link.active {
  background: var(--gradient-accent) !important;
  color: #fff !important;
  box-shadow: 0 4px 15px rgba(114,82,54,0.3);
}
.nav-sidebar .nav-link.active .nav-icon { color: #fff !important; }
.nav-sidebar .nav-link.active::before { width: 100%; opacity: 1; }

/* Sidebar Icons with Hover Animation */
.nav-sidebar .nav-icon {
  font-size: 1.1rem !important;
  width: 22px;
  text-align: center;
  transition: var(--transition);
  color: var(--muted) !important;
  flex-shrink: 0;
}
.nav-sidebar .nav-link:hover .nav-icon {
  color: var(--accent) !important;
  animation: iconBounce 0.5s ease;
}
@keyframes iconBounce {
  0% { transform: scale(1); }
  30% { transform: scale(1.35) rotate(-8deg); }
  50% { transform: scale(0.9) rotate(4deg); }
  70% { transform: scale(1.15) rotate(-2deg); }
  100% { transform: scale(1) rotate(0); }
}

.nav-sidebar .nav-link p { margin: 0; font-size: 0.875rem; }
.nav-sidebar .nav-header {
  color: var(--muted) !important;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 16px 14px 6px !important;
}

/* Logout Button */
.sidebar .btn-logout {
  background: linear-gradient(135deg, #dc3545, #c82333);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  font-weight: 600;
  padding: 10px;
  transition: var(--transition);
  font-size: 0.85rem;
}
.sidebar .btn-logout:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(220,53,69,0.4);
}

/* ===== Content Wrapper ===== */
.content-wrapper {
  background: var(--bg-body) !important;
  transition: var(--transition);
}
[data-theme="dark"] .content-wrapper {
  background: var(--bg-body) !important;
}

/* Content Header */
.content-header { padding: 20px 1.5rem 10px; }
.content-header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* ===== Cards ===== */
.card {
  background: var(--bg-card) !important;
  border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: var(--transition);
  overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-md) !important; }

.card-header {
  background: transparent !important;
  border-bottom: 1px solid var(--border-color) !important;
  padding: 16px 20px !important;
}
.card-header .card-title {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
}
.card-body { padding: 20px !important; }
.card-footer {
  background: transparent !important;
  border-top: 1px solid var(--border-color) !important;
}
.card-outline { border-top: 3px solid var(--accent) !important; }
.card-primary:not(.card-outline) > .card-header,
.card-teal:not(.card-outline) > .card-header,
.card-info:not(.card-outline) > .card-header {
  background: var(--gradient-accent) !important;
  color: #fff !important;
}
.card-primary:not(.card-outline) > .card-header .card-title,
.card-teal:not(.card-outline) > .card-header .card-title,
.card-info:not(.card-outline) > .card-header .card-title { color: #fff !important; }

.card-danger:not(.card-outline) > .card-header {
  background: linear-gradient(135deg, #dc3545, #c82333) !important;
  color: #fff !important;
}
.card-danger:not(.card-outline) > .card-header .card-title { color: #fff !important; }
.card-warning:not(.card-outline) > .card-header {
  background: linear-gradient(135deg, #f0ad4e, #ec971f) !important;
  color: #fff !important;
}
.card-warning:not(.card-outline) > .card-header .card-title { color: #fff !important; }
.card-success:not(.card-outline) > .card-header {
  background: linear-gradient(135deg, #28a745, #218838) !important;
  color: #fff !important;
}
.card-success:not(.card-outline) > .card-header .card-title { color: #fff !important; }

/* ===== Stat Cards (Small boxes) ===== */
.small-box {
  border-radius: var(--radius-lg) !important;
  border: none !important;
  overflow: hidden;
  position: relative;
  transition: var(--transition);
}
.small-box:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg) !important; }
.small-box .inner { padding: 20px; position: relative; z-index: 2; }
.small-box .inner h3 { font-weight: 800; font-size: 2rem; }
.small-box .inner p { font-weight: 500; opacity: 0.9; }
.small-box .icon {
  position: absolute;
  right: 15px; top: 50%;
  transform: translateY(-50%);
  font-size: 4rem;
  opacity: 0.15;
  transition: var(--transition);
}
.small-box:hover .icon { opacity: 0.25; transform: translateY(-50%) scale(1.1); }
.small-box::after {
  content: '';
  position: absolute;
  top: -50%; right: -50%;
  width: 100%; height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* ===== Tables ===== */
.table {
  color: var(--text-primary) !important;
}
.table thead th {
  background: var(--bg-glass) !important;
  color: var(--text-secondary) !important;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border-color) !important;
  padding: 12px 16px !important;
}
.table td {
  padding: 12px 16px !important;
  border-color: var(--border-color) !important;
  vertical-align: middle !important;
  font-size: 0.875rem;
}
.table-striped tbody tr:nth-of-type(odd) {
  background: var(--bg-glass) !important;
}
.table-hover tbody tr:hover {
  background: rgba(114,82,54,0.06) !important;
}
[data-theme="dark"] .table { color: var(--text-primary) !important; }
[data-theme="dark"] .table td, [data-theme="dark"] .table th { border-color: var(--border-color) !important; }

/* ===== Buttons ===== */
.btn {
  border-radius: 8px !important;
  font-weight: 500;
  font-size: 0.85rem;
  padding: 8px 16px;
  transition: var(--transition);
  border: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient-accent) !important;
  border: none !important;
  color: #fff !important;
}
.btn-primary:hover { box-shadow: 0 4px 15px rgba(114,82,54,0.35) !important; }

.btn-info {
  background: linear-gradient(135deg, #1d2b32, #2a3f4a) !important;
  border: none !important;
  color: #fff !important;
}
.btn-warning {
  background: linear-gradient(135deg, #f0ad4e, #ec971f) !important;
  border: none !important;
}
.btn-danger {
  background: linear-gradient(135deg, #dc3545, #c82333) !important;
  border: none !important;
  color: #fff !important;
}
.btn-success {
  background: linear-gradient(135deg, #28a745, #218838) !important;
  border: none !important;
  color: #fff !important;
}
.btn-default, .btn-secondary {
  background: var(--bg-glass) !important;
  border: 1px solid var(--border-color) !important;
  color: var(--text-primary) !important;
}
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

/* ===== Badges ===== */
.badge {
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}
.badge-primary { background: var(--accent) !important; }
.badge-info { background: #1d2b32 !important; color: #fff !important; }

/* ===== Form Controls ===== */
.form-control, .custom-select {
  border: 1.5px solid var(--border-color) !important;
  border-radius: 8px !important;
  padding: 10px 14px;
  font-size: 0.875rem;
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  transition: var(--transition);
}
.form-control:focus, .custom-select:focus {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(114,82,54,0.15) !important;
}
.form-control::placeholder { color: var(--muted) !important; }
label {
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

/* Select2 Override */
.select2-container--bootstrap4 .select2-selection {
  border: 1.5px solid var(--border-color) !important;
  border-radius: 8px !important;
  min-height: 40px !important;
  background: var(--bg-card) !important;
}
.select2-container--bootstrap4 .select2-selection:focus,
.select2-container--bootstrap4.select2-container--focus .select2-selection {
  border-color: var(--accent) !important;
  box-shadow: 0 0 0 3px rgba(114,82,54,0.15) !important;
}

/* ===== DataTables Override ===== */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  border: 1.5px solid var(--border-color) !important;
  border-radius: 8px !important;
  padding: 6px 12px !important;
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
}
.dataTables_wrapper .dataTables_info { color: var(--text-muted) !important; font-size: 0.85rem; }
.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 8px !important;
  margin: 0 2px;
  border: none !important;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--gradient-accent) !important;
  color: #fff !important;
  border: none !important;
}
div.dataTables_wrapper div.dataTables_length label,
div.dataTables_wrapper div.dataTables_filter label { color: var(--text-secondary); font-size: 0.85rem; }

/* ===== Footer ===== */
.main-footer {
  background: var(--bg-card) !important;
  border-top: 1px solid var(--border-color) !important;
  color: var(--text-muted) !important;
  font-size: 0.8rem;
  padding: 12px 1.5rem;
}

/* ===== Alerts ===== */
.alert {
  border-radius: var(--radius) !important;
  border: none;
  font-size: 0.875rem;
}

/* ===== Modals ===== */
.modal-content {
  border-radius: var(--radius-lg) !important;
  border: 1px solid var(--border-color) !important;
  background: var(--bg-card) !important;
  box-shadow: var(--shadow-lg) !important;
}
.modal-header { border-bottom: 1px solid var(--border-color) !important; }
.modal-footer { border-top: 1px solid var(--border-color) !important; }

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-20px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.content-wrapper .card { animation: fadeInUp 0.5s ease forwards; }
.content-wrapper .card:nth-child(2) { animation-delay: 0.1s; }
.content-wrapper .card:nth-child(3) { animation-delay: 0.2s; }
.content-wrapper .row > div:nth-child(1) .small-box { animation: fadeInUp 0.4s ease forwards; }
.content-wrapper .row > div:nth-child(2) .small-box { animation: fadeInUp 0.5s ease forwards; }

/* ===== Profile Page ===== */
.profile-user-img { border: 3px solid var(--accent) !important; }

/* List groups */
.list-group-item {
  background: transparent !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
}

/* ===== SweetAlert2 Override ===== */
.swal2-popup { border-radius: var(--radius-lg) !important; }

/* ===== Utility Classes ===== */
.text-accent { color: var(--accent) !important; }
.bg-accent { background: var(--gradient-accent) !important; }
.glass-effect {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
}

/* Dark mode specific overrides */
[data-theme="dark"] .text-dark { color: var(--text-primary) !important; }
[data-theme="dark"] .text-muted { color: var(--text-muted) !important; }
[data-theme="dark"] .bg-light { background: var(--bg-glass) !important; }
[data-theme="dark"] .form-control, [data-theme="dark"] .custom-select {
  background: rgba(42,40,49,0.5) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-color) !important;
}
[data-theme="dark"] .table-striped tbody tr:nth-of-type(odd) {
  background: rgba(42,40,49,0.3) !important;
}
[data-theme="dark"] .input-group-text {
  background: rgba(42,40,49,0.5) !important;
  border-color: var(--border-color) !important;
  color: var(--text-muted) !important;
}
[data-theme="dark"] .page-link {
  background: var(--bg-card) !important;
  border-color: var(--border-color) !important;
  color: var(--text-primary) !important;
}
[data-theme="dark"] .close { color: var(--text-primary) !important; }
[data-theme="dark"] .modal-content { background: #1d2b32 !important; }