/* =============================================
   ระบบบัตรพระราชทานปริญญาบัตร — Main CSS
   Theme: Navy · Black · Gold
   ============================================= */

:root {
  --navy-900: #050d1a;
  --navy-800: #0a1628;
  --navy-700: #0d1f3c;
  --navy-600: #112950;
  --navy-500: #163364;
  --navy-400: #1e4a8a;
  --navy-300: #2563b0;
  --navy-200: #4a85c8;
  --navy-100: #8ab4e0;

  --gold-900: #7a5200;
  --gold-800: #9e6a00;
  --gold-700: #c4840a;
  --gold-600: #d4950f;
  --gold-500: #e6a91a;
  --gold-400: #f0bc35;
  --gold-300: #f5cc60;
  --gold-200: #f9dc90;
  --gold-100: #fdf0cc;

  --black-pure: #000000;
  --black-900: #080808;
  --black-800: #111111;
  --black-700: #1a1a1a;
  --black-600: #252525;
  --black-500: #333333;
  --black-400: #555555;
  --black-300: #888888;
  --black-200: #aaaaaa;
  --black-100: #dddddd;

  --sidebar-width: 260px;
  --sidebar-collapsed: 70px;
  --header-height: 60px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;

  --shadow-gold: 0 0 20px rgba(230, 169, 26, 0.25);
  --shadow-navy: 0 4px 20px rgba(5, 13, 26, 0.6);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);

  --font-th: "Sarabun", sans-serif;
  --font-head: "Noto Serif Thai", serif;
}

* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-th);
  background: var(--navy-900);
  color: #e8ecf4;
  font-size: 15px;
  min-height: 100vh;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--navy-800);
}
::-webkit-scrollbar-thumb {
  background: var(--navy-400);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gold-600);
}

/* ==============================================
   SIGNIN PAGE
   ============================================== */
.signin-body {
  overflow: hidden;
  min-height: 100vh;
}

.signin-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(
    135deg,
    var(--navy-900) 0%,
    var(--navy-800) 40%,
    var(--black-900) 100%
  );
}
.signin-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      ellipse at 20% 50%,
      rgba(22, 51, 100, 0.6) 0%,
      transparent 60%
    ),
    radial-gradient(
      ellipse at 80% 20%,
      rgba(180, 130, 10, 0.15) 0%,
      transparent 50%
    );
}
.signin-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gold-400);
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh) rotate(720deg);
    opacity: 0;
  }
}

.signin-container {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.signin-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(
    145deg,
    rgba(13, 31, 60, 0.95),
    rgba(5, 13, 26, 0.98)
  );
  border: 1px solid rgba(230, 169, 26, 0.3);
  border-radius: var(--radius-xl);
  padding: 2.5rem 2rem;
  box-shadow:
    0 20px 60px rgba(0, 0, 0, 0.7),
    var(--shadow-gold);
  backdrop-filter: blur(20px);
  animation: slideUp 0.6s ease-out;
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.signin-logo {
  text-align: center;
  margin-bottom: 2rem;
}
.crest-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1rem;
  background: linear-gradient(135deg, var(--gold-700), var(--gold-400));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--navy-900);
  box-shadow: 0 0 30px rgba(230, 169, 26, 0.4);
}
.signin-title {
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--gold-300);
  line-height: 1.5;
}
.signin-subtitle {
  color: var(--navy-200);
  font-size: 0.85rem;
  margin: 0;
}

.form-label-gold {
  color: var(--gold-300);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.4rem;
}
.input-gold-wrapper {
  position: relative;
}
.input-icon-gold {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--gold-500);
  font-size: 1rem;
  pointer-events: none;
}
.form-control-gold {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(230, 169, 26, 0.25);
  border-radius: var(--radius-sm);
  color: #e8ecf4;
  padding: 0.65rem 2.5rem 0.65rem 2.5rem;
  font-family: var(--font-th);
  font-size: 0.95rem;
  transition: all 0.25s;
}
.form-control-gold:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(230, 169, 26, 0.2);
  color: #fff;
  outline: none;
}
.form-control-gold::placeholder {
  color: var(--navy-200);
}

.btn-toggle-pass {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--navy-200);
  cursor: pointer;
  transition: color 0.2s;
  padding: 4px;
}
.btn-toggle-pass:hover {
  color: var(--gold-400);
}

.btn-signin {
  background: linear-gradient(135deg, var(--gold-700), var(--gold-500));
  border: none;
  color: var(--navy-900);
  font-family: var(--font-th);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.btn-signin:hover {
  background: linear-gradient(135deg, var(--gold-600), var(--gold-400));
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}

.alert-warning-gold {
  background: rgba(230, 169, 26, 0.15);
  border: 1px solid rgba(230, 169, 26, 0.4);
  color: var(--gold-300);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}
.alert-danger-dark {
  background: rgba(220, 53, 69, 0.15);
  border: 1px solid rgba(220, 53, 69, 0.4);
  color: #f08090;
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.signin-footer-note {
  text-align: center;
  color: var(--navy-200);
  font-size: 0.8rem;
  margin: 0;
}

/* ==============================================
   SIDEBAR
   ============================================== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: linear-gradient(
    180deg,
    var(--black-900) 0%,
    var(--navy-900) 100%
  );
  border-right: 1px solid rgba(230, 169, 26, 0.15);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: width 0.3s ease;
  overflow: hidden;
}
.sidebar.collapsed {
  width: var(--sidebar-collapsed);
}

.sidebar-brand {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid rgba(230, 169, 26, 0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--header-height);
}
.brand-icon {
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--gold-700), var(--gold-400));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--navy-900);
}
.brand-text {
  white-space: nowrap;
  overflow: hidden;
}
.brand-text h6 {
  font-family: var(--font-head);
  color: var(--gold-300);
  font-size: 0.8rem;
  margin: 0;
  line-height: 1.3;
  font-weight: 700;
}
.brand-text small {
  color: var(--navy-200);
  font-size: 0.7rem;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.75rem 0;
}
.nav-section-label {
  padding: 0.5rem 1.2rem 0.25rem;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--navy-300);
  text-transform: uppercase;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s;
}
.sidebar.collapsed .nav-section-label {
  opacity: 0;
}

.nav-item-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0.6rem 1.2rem;
  cursor: pointer;
  color: var(--navy-100);
  text-decoration: none;
  border-radius: 0;
  transition: all 0.2s;
  position: relative;
  white-space: nowrap;
  font-size: 0.9rem;
}
.nav-item-link:hover {
  background: rgba(230, 169, 26, 0.08);
  color: var(--gold-300);
}
.nav-item-link.active {
  background: linear-gradient(90deg, rgba(230, 169, 26, 0.15), transparent);
  color: var(--gold-300);
  border-left: 3px solid var(--gold-400);
}
.nav-item-link .nav-icon {
  font-size: 1.05rem;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}
.nav-item-link .nav-label {
  transition: opacity 0.2s;
}
.sidebar.collapsed .nav-label {
  opacity: 0;
  width: 0;
  overflow: hidden;
}

.nav-badge {
  margin-left: auto;
  background: var(--gold-600);
  color: var(--navy-900);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 20px;
}
.sidebar.collapsed .nav-badge {
  display: none;
}

.sidebar-footer {
  padding: 1rem 1.2rem;
  border-top: 1px solid rgba(230, 169, 26, 0.15);
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0.75rem;
}
.user-avatar {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--navy-400), var(--navy-600));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--gold-300);
  border: 1px solid rgba(230, 169, 26, 0.3);
}
.user-info {
  white-space: nowrap;
  overflow: hidden;
}
.user-info .user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #e8ecf4;
  display: block;
}
.user-info .user-role {
  font-size: 0.7rem;
  color: var(--navy-200);
}
.sidebar.collapsed .user-info {
  display: none;
}

.btn-logout {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(220, 53, 69, 0.1);
  border: 1px solid rgba(220, 53, 69, 0.25);
  color: #f08090;
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.75rem;
  font-size: 0.82rem;
  text-decoration: none;
  transition: all 0.2s;
  width: 100%;
  justify-content: center;
  white-space: nowrap;
}
.btn-logout:hover {
  background: rgba(220, 53, 69, 0.2);
  color: #ff8090;
}
.sidebar.collapsed .btn-logout span {
  display: none;
}

/* ==============================================
   HEADER
   ============================================== */
.main-wrapper {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  transition: margin-left 0.3s ease;
  display: flex;
  flex-direction: column;
}
.main-wrapper.collapsed {
  margin-left: var(--sidebar-collapsed);
}

.main-header {
  height: var(--header-height);
  background: linear-gradient(90deg, var(--black-900), var(--navy-800));
  border-bottom: 1px solid rgba(230, 169, 26, 0.15);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}
.btn-toggle-sidebar {
  background: none;
  border: none;
  color: var(--navy-100);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 6px;
  transition: color 0.2s;
}
.btn-toggle-sidebar:hover {
  color: var(--gold-400);
}

.header-breadcrumb {
  flex: 1;
}
.breadcrumb {
  margin: 0;
}
.breadcrumb-item,
.breadcrumb-item a {
  color: var(--navy-200);
  font-size: 0.85rem;
}
.breadcrumb-item.active {
  color: var(--gold-300);
}
.breadcrumb-item + .breadcrumb-item::before {
  color: var(--navy-300);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.header-time {
  color: var(--navy-200);
  font-size: 0.8rem;
  white-space: nowrap;
}
.btn-header-icon {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--navy-100);
  border-radius: var(--radius-sm);
  padding: 6px 10px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: flex;
  align-items: center;
}
.btn-header-icon:hover {
  background: rgba(230, 169, 26, 0.15);
  border-color: var(--gold-500);
  color: var(--gold-300);
}

/* ==============================================
   MAIN CONTENT
   ============================================== */
.main-content {
  flex: 1;
  padding: 1.5rem;
}

/* Page Header */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-title {
  font-family: var(--font-head);
  color: var(--gold-300);
  font-size: 1.4rem;
  font-weight: 700;
  margin: 0;
}
.page-title-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--gold-800), var(--gold-600));
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--navy-900);
  margin-right: 0.6rem;
}

/* Cards */
.card-dark {
  background: linear-gradient(
    145deg,
    rgba(13, 31, 60, 0.8),
    rgba(8, 8, 8, 0.9)
  );
  border: 1px solid rgba(230, 169, 26, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}
.card-dark .card-header-dark {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(230, 169, 26, 0.12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.card-dark .card-body-dark {
  padding: 1.25rem;
}

.card-header-title {
  font-weight: 700;
  color: var(--gold-300);
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Stat Cards (Dashboard) */
.stat-card {
  background: linear-gradient(
    145deg,
    rgba(13, 31, 60, 0.9),
    rgba(5, 13, 26, 0.95)
  );
  border: 1px solid rgba(230, 169, 26, 0.2);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s;
}
.stat-card:hover {
  border-color: rgba(230, 169, 26, 0.4);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}
.stat-icon.gold {
  background: linear-gradient(135deg, var(--gold-800), var(--gold-600));
  color: var(--navy-900);
}
.stat-icon.navy {
  background: linear-gradient(135deg, var(--navy-500), var(--navy-300));
  color: #fff;
}
.stat-icon.green {
  background: linear-gradient(135deg, #1a5c3a, #2a8a58);
  color: #fff;
}
.stat-icon.purple {
  background: linear-gradient(135deg, #3a1a6e, #6a3aae);
  color: #fff;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
}
.stat-label {
  color: var(--navy-200);
  font-size: 0.82rem;
  margin-top: 2px;
}
.stat-change {
  font-size: 0.75rem;
  margin-top: 4px;
}
.stat-change.up {
  color: #4ade80;
}
.stat-change.down {
  color: #f87171;
}

/* Buttons */
.btn-gold {
  background: linear-gradient(135deg, var(--gold-700), var(--gold-500));
  border: none;
  color: var(--navy-900);
  font-family: var(--font-th);
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}
.btn-gold:hover {
  background: linear-gradient(135deg, var(--gold-600), var(--gold-400));
  color: var(--navy-900);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}
.btn-navy {
  background: linear-gradient(135deg, var(--navy-500), var(--navy-400));
  border: 1px solid rgba(230, 169, 26, 0.2);
  color: #e8ecf4;
  font-family: var(--font-th);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}
.btn-navy:hover {
  border-color: var(--gold-400);
  color: var(--gold-300);
}

.btn-outline-gold {
  background: transparent;
  border: 1px solid var(--gold-600);
  color: var(--gold-400);
  font-family: var(--font-th);
  border-radius: var(--radius-sm);
  transition: all 0.25s;
}
.btn-outline-gold:hover {
  background: rgba(230, 169, 26, 0.1);
  color: var(--gold-300);
  border-color: var(--gold-400);
}

.table {
  --bs-table-bg: rgba(5, 13, 26, 0.8) !important;
  --bs-table-color: color: var(--gold-300);
}

/* Tables */
.table-dark-custom {
  color: #e8ecf4;
  font-size: 0.875rem;
}
.table-dark-custom thead th {
  background: rgba(5, 13, 26, 0.8) !important;
  border-bottom: 2px solid rgba(230, 169, 26, 0.3) !important;
  color: var(--gold-300);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 0.75rem 0.5rem;
}
.table-dark-custom tbody tr {
  border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
  transition: background 0.15s;
}
.table-dark-custom tbody tr:hover {
  background: rgba(230, 169, 26, 0.05) !important;
}
.table-dark-custom td {
  padding: 0.6rem 0.5rem;
  vertical-align: middle;
}

/* DataTables custom */
.dataTables_wrapper .dataTables_length select,
.dataTables_wrapper .dataTables_filter input {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(230, 169, 26, 0.25) !important;
  border-radius: var(--radius-sm) !important;
  color: #e8ecf4 !important;
}
.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_length label,
.dataTables_wrapper .dataTables_filter label {
  color: var(--navy-200) !important;
}
.dataTables_wrapper .paginate_button {
  color: var(--navy-100) !important;
}
.dataTables_wrapper .paginate_button.current {
  background: var(--gold-700) !important;
  border-color: var(--gold-600) !important;
  color: var(--navy-900) !important;
}

/* Forms */
.form-control-dark,
.form-select-dark {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(230, 169, 26, 0.2);
  border-radius: var(--radius-sm);
  color: #e8ecf4;
  font-family: var(--font-th);
  font-size: 0.9rem;
}
.form-control-dark:focus,
.form-select-dark:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--gold-400);
  box-shadow: 0 0 0 3px rgba(230, 169, 26, 0.15);
  color: #fff;
  outline: none;
}
.form-control-dark::placeholder {
  color: var(--navy-300);
}
.form-select-dark option {
  background: var(--navy-800);
  color: #e8ecf4;
}
.form-label-dark {
  color: var(--gold-200);
  font-weight: 600;
  font-size: 0.85rem;
}

/* Modals */
.modal-dark .modal-content {
  background: linear-gradient(145deg, var(--navy-800), var(--black-800));
  border: 1px solid rgba(230, 169, 26, 0.25);
  border-radius: var(--radius-lg);
}
.modal-dark .modal-header {
  border-bottom: 1px solid rgba(230, 169, 26, 0.15);
  padding: 1rem 1.25rem;
}
.modal-dark .modal-title {
  color: var(--gold-300);
  font-weight: 700;
  font-family: var(--font-head);
}
.modal-dark .modal-footer {
  border-top: 1px solid rgba(230, 169, 26, 0.15);
}
.modal-dark .btn-close {
  filter: invert(1) brightness(0.6);
}

/* Card Number Badge */
.card-num-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--gold-800), var(--gold-600));
  color: var(--navy-900);
  font-weight: 800;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  font-family: monospace;
}

/* Color Dot */
.color-dot {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  vertical-align: middle;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Status Badge */
.badge-new {
  background: rgba(230, 169, 26, 0.2);
  color: var(--gold-300);
  border: 1px solid var(--gold-600);
  font-size: 0.7rem;
}
.badge-normal {
  background: rgba(37, 99, 176, 0.2);
  color: var(--navy-100);
  border: 1px solid var(--navy-300);
  font-size: 0.7rem;
}
.badge-active {
  background: rgba(42, 138, 88, 0.2);
  color: #4ade80;
  border: 1px solid #2a8a58;
  font-size: 0.7rem;
}
.badge-inactive {
  background: rgba(100, 100, 100, 0.2);
  color: #aaa;
  border: 1px solid #666;
  font-size: 0.7rem;
}

/* Member Photo */
.member-photo {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(230, 169, 26, 0.3);
}
.member-photo-placeholder {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy-300);
  font-size: 1.1rem;
}

/* Image Cropper */
.crop-container {
  max-height: 60vh; /* เพิ่มจากเดิม */
  height: 60vh;
  width: 100%;
  overflow: hidden;
  background: #000;
  border-radius: var(--radius-md);
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
}
.crop-container img {
  max-width: 100%;
  display: block;
}
.cropper-bg {
  background-image: none !important;
}

/* Upload Zone */
.upload-zone {
  border: 2px dashed rgba(230, 169, 26, 0.3);
  border-radius: var(--radius-md);
  padding: 2rem;
  text-align: center;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.25s;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--gold-400);
  background: rgba(230, 169, 26, 0.05);
}
.upload-zone i {
  font-size: 2rem;
  color: var(--gold-500);
  margin-bottom: 0.5rem;
  display: block;
}
.upload-zone p {
  color: var(--navy-200);
  font-size: 0.85rem;
  margin: 0;
}

/* Department filter tabs */
.dept-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}
.dept-tab {
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  color: var(--navy-200);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 0.2s;
}
.dept-tab:hover {
  border-color: var(--gold-500);
  color: var(--gold-300);
}
.dept-tab.active {
  background: rgba(230, 169, 26, 0.15);
  border-color: var(--gold-500);
  color: var(--gold-300);
}

/* Footer */
.main-footer {
  border-top: 1px solid rgba(230, 169, 26, 0.1);
  padding: 0.75rem 1.5rem;
  color: var(--navy-300);
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    width: var(--sidebar-width) !important;
  }
  .sidebar.mobile-open {
    transform: translateX(0);
  }
  .main-wrapper {
    margin-left: 0 !important;
  }
  .sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    display: none;
  }
  .sidebar-overlay.show {
    display: block;
  }
}

/* Alerts */
.alert-dark-success {
  background: rgba(42, 138, 88, 0.15);
  border: 1px solid rgba(42, 138, 88, 0.4);
  color: #4ade80;
  border-radius: var(--radius-sm);
}
.alert-dark-danger {
  background: rgba(220, 53, 69, 0.15);
  border: 1px solid rgba(220, 53, 69, 0.4);
  color: #f08090;
  border-radius: var(--radius-sm);
}
.alert-dark-info {
  background: rgba(37, 99, 176, 0.15);
  border: 1px solid rgba(37, 99, 176, 0.4);
  color: var(--navy-100);
  border-radius: var(--radius-sm);
}

/* Number auto-run input group */
.run-number-panel {
  background: rgba(230, 169, 26, 0.05);
  border: 1px solid rgba(230, 169, 26, 0.2);
  border-radius: var(--radius-md);
  padding: 1rem;
}
.run-number-panel label {
  color: var(--gold-300);
  font-size: 0.82rem;
  font-weight: 600;
}