/* ==========================================================================
   AGNI SIRAGUGAL USM - Admin Dashboard Stylesheet
   Modern, secure management portal for student committee & handover.
   ========================================================================== */

:root {
  --admin-maroon: #580816;
  --admin-maroon-dark: #38040D;
  --admin-maroon-light: #7E1024;
  --admin-gold: #D4AF37;
  --admin-gold-light: #F9E7A2;
  --admin-sidebar-bg: #2A040B;
  --admin-bg: #F8F9FA;
  --admin-card-bg: #FFFFFF;
  --admin-border: #E5E7EB;
  --admin-text-main: #1F2937;
  --admin-text-muted: #6B7280;
  --admin-success: #10B981;
  --admin-danger: #EF4444;
  --admin-radius: 10px;
  --admin-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

body.admin-body {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
  background-color: var(--admin-bg);
  color: var(--admin-text-main);
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

/* Login Screen Overlay */
.admin-login-screen {
  position: fixed;
  inset: 0;
  background: radial-gradient(circle at center, #680E1E 0%, #2A040B 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  z-index: 9999;
}

.login-card {
  background: var(--admin-card-bg);
  width: 100%;
  max-width: 480px;
  border-radius: 16px;
  padding: 2.75rem 2.25rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(212, 175, 55, 0.3);
  text-align: center;
}

.login-crest {
  width: 58px;
  height: 58px;
  margin: 0 auto 1.25rem auto;
  background: var(--admin-maroon);
  border: 2px solid var(--admin-gold);
  border-radius: 12px;
  color: var(--admin-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Cinzel', serif;
  font-weight: 700;
  font-size: 1.5rem;
}

.login-title {
  font-family: 'Cinzel', serif;
  font-size: 1.45rem;
  color: var(--admin-maroon-dark);
  margin-bottom: 0.35rem;
}

.login-subtitle {
  font-size: 0.88rem;
  color: var(--admin-text-muted);
  margin-bottom: 1.5rem;
}

.login-warning-box {
  background: #FFF1F2;
  border: 1px solid #FECDD3;
  color: #9F1239;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.8rem;
  line-height: 1.45;
  text-align: left;
  margin-bottom: 1.5rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  text-align: left;
}

.login-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--admin-text-main);
  margin-bottom: 0.3rem;
}

.login-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--admin-border);
  border-radius: 8px;
  font-size: 0.95rem;
  box-sizing: border-box;
}

.login-input:focus {
  outline: none;
  border-color: var(--admin-maroon);
  box-shadow: 0 0 0 3px rgba(88, 8, 22, 0.1);
}

.btn-admin-login {
  background: linear-gradient(135deg, var(--admin-maroon) 0%, #3D040E 100%);
  color: var(--admin-gold-light);
  border: 1px solid var(--admin-gold);
  padding: 0.85rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.5rem;
  transition: all 0.25s ease;
}

.btn-admin-login:hover {
  background: var(--admin-maroon-light);
  transform: translateY(-1px);
}

.demo-account-box {
  margin-top: 1.5rem;
  padding: 0.85rem;
  background: #FFFBEB;
  border: 1px solid #FDE68A;
  border-radius: 8px;
  font-size: 0.82rem;
  color: #92400E;
  text-align: left;
}

.btn-demo-fill {
  background: #F59E0B;
  color: white;
  border: none;
  padding: 0.4rem 0.8rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  margin-top: 0.5rem;
}

/* Admin Dashboard Layout */
.admin-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

/* Sidebar */
.admin-sidebar {
  background-color: var(--admin-sidebar-bg);
  color: #E2D9D5;
  display: flex;
  flex-direction: column;
  padding: 1.5rem 1rem;
  border-right: 1px solid rgba(212, 175, 55, 0.2);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.5rem 1.5rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 1.5rem;
}

.sidebar-crest {
  width: 38px;
  height: 38px;
  background: var(--admin-maroon);
  border: 1.5px solid var(--admin-gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--admin-gold-light);
  font-weight: 700;
  font-family: 'Cinzel', serif;
}

.sidebar-title {
  font-family: 'Cinzel', serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--admin-gold-light);
  line-height: 1.2;
}

.sidebar-sub {
  font-size: 0.7rem;
  color: var(--admin-gold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sidebar-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex-grow: 1;
}

.sidebar-item-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  color: #C7BDB9;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sidebar-item-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #FFFFFF;
}

.sidebar-item-btn.active {
  background: var(--admin-maroon);
  color: var(--admin-gold-light);
  border-left: 3px solid var(--admin-gold);
}

.sidebar-footer {
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-sidebar-action {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 0.75rem;
  border-radius: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: #DDD4CF;
  text-decoration: none;
  margin-bottom: 0.4rem;
}

.btn-sidebar-action:hover {
  background: rgba(255, 255, 255, 0.08);
  color: white;
}

/* Main Content Area */
.admin-main {
  padding: 2.25rem 3rem;
  overflow-y: auto;
}

.admin-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-header-title {
  font-family: 'Cinzel', serif;
  font-size: 1.75rem;
  color: var(--admin-maroon-dark);
}

.admin-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  color: #065F46;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #10B981;
}

/* Admin Tabs Content */
.admin-panel-tab {
  display: none;
}

.admin-panel-tab.active {
  display: block;
}

/* Form Cards */
.admin-card {
  background: var(--admin-card-bg);
  border-radius: var(--admin-radius);
  border: 1px solid var(--admin-border);
  box-shadow: var(--admin-shadow);
  padding: 2rem;
  margin-bottom: 2rem;
}

.admin-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--admin-border);
}

.admin-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--admin-maroon-dark);
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group-admin {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.admin-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--admin-text-main);
}

.admin-input,
.admin-textarea,
.admin-select {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 6px;
  border: 1.5px solid var(--admin-border);
  font-family: inherit;
  font-size: 0.92rem;
  box-sizing: border-box;
}

.admin-input:focus,
.admin-textarea:focus,
.admin-select:focus {
  outline: none;
  border-color: var(--admin-maroon);
}

.admin-textarea {
  min-height: 100px;
  resize: vertical;
}

.btn-admin-save {
  background: var(--admin-maroon);
  color: var(--admin-gold-light);
  border: 1px solid var(--admin-gold);
  padding: 0.75rem 1.6rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-admin-save:hover {
  background: var(--admin-maroon-light);
  transform: translateY(-1px);
}

.btn-admin-add {
  background: #10B981;
  color: white;
  border: none;
  padding: 0.65rem 1.35rem;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-admin-add:hover {
  background: #059669;
}

/* Management Tables & Lists */
.admin-table-wrap {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.admin-table th {
  background: #F3F4F6;
  padding: 0.75rem 1rem;
  font-weight: 700;
  color: var(--admin-text-muted);
  border-bottom: 1.5px solid var(--admin-border);
}

.admin-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.table-img-thumb {
  width: 52px;
  height: 52px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--admin-border);
}

.btn-table-action {
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  margin-right: 0.4rem;
  transition: all 0.2s ease;
}

.btn-table-edit {
  background: #EFF6FF;
  color: #1D4ED8;
  border: 1px solid #BFDBFE;
}

.btn-table-edit:hover {
  background: #DBEAFE;
}

.btn-table-delete {
  background: #FEF2F2;
  color: #DC2626;
  border: 1px solid #FECDD3;
}

.btn-table-delete:hover {
  background: #FEE2E2;
}

/* Edit Modal for In-Place Updates */
.admin-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 5000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.admin-modal-overlay.active {
  display: flex;
}

.admin-modal {
  background: var(--admin-card-bg);
  border-radius: var(--admin-radius);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
  border: 1px solid var(--admin-border);
  padding: 2rem;
}

.admin-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
  border-bottom: 1.5px solid var(--admin-border);
}

.admin-modal-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--admin-maroon);
}

.admin-modal-close {
  background: none;
  border: none;
  font-size: 1.6rem;
  cursor: pointer;
  color: var(--admin-text-muted);
}

.admin-modal-close:hover {
  color: var(--admin-danger);
}

.img-preview-box {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: #F9FAFB;
  border: 1px dashed var(--admin-border);
  border-radius: 6px;
}

.img-preview-thumb {
  width: 60px;
  height: 60px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--admin-border);
}

/* Firebase Handover Box */
.firebase-banner {
  background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
  border: 1px solid #FCD34D;
  border-radius: var(--admin-radius);
  padding: 1.75rem;
  margin-bottom: 2rem;
}

.firebase-banner h3 {
  color: #92400E;
  margin-bottom: 0.5rem;
}

.firebase-banner p {
  color: #78350F;
  font-size: 0.92rem;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-sidebar {
    padding: 1rem;
  }
  .admin-main {
    padding: 1.5rem;
  }
  .form-grid-2 {
    grid-template-columns: 1fr;
  }
}