/* ==========================================================
   Event RSVP - Dashboard Styles
   Admin/User dashboard with sidebar navigation
   ========================================================== */

:root {
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --header-height: 64px;
  --color-primary: #96131F;
  --color-primary-dark: #6E0D17;
  --color-primary-light: #B23A44;
  --color-secondary: #C6992E;
  --color-secondary-light: #E7C877;
  --color-secondary-dark: #8F6C1A;
  --color-bg: #F3EEE5;
  --color-surface: #FFFFFF;
  --color-text: #3E2E22;
  --color-text-muted: #6B5B4C;
  --color-border: #E8DFD4;
  --color-success: #46603A;
  --color-success-light: #E8F2E5;
  --color-error: #96131F;
  --color-error-light: #FDEDED;
  --color-warning: #C6992E;
  --color-warning-light: #FFF8E7;
  --color-info: #2A6B9C;
  --color-info-light: #E8F4FD;
  --shadow-sm: 0 2px 8px -2px rgba(80, 40, 20, 0.1);
  --shadow-md: 0 8px 24px -8px rgba(80, 40, 20, 0.15);
  --shadow-lg: 0 20px 40px -12px rgba(80, 40, 20, 0.2);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ==========================================================
   Layout
   ========================================================== */

.dashboard-layout {
  display: flex;
  min-height: 100vh;
  background: var(--color-bg);
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  width: var(--sidebar-width);
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: width var(--transition-normal), transform var(--transition-normal);
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-header {
  padding: 20px 16px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: var(--header-height);
}

.sidebar-logo {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.2rem;
}

.sidebar-title {
  font-family: "Marcellus", serif;
  font-size: 1.1rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .sidebar-title {
  opacity: 0;
  width: 0;
}

.sidebar-nav {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

.nav-section {
  margin-bottom: 24px;
}

.nav-section-title {
  font-family: "Marcellus", serif;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 0 12px;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity var(--transition-fast);
}

.sidebar.collapsed .nav-section-title {
  opacity: 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
}

.nav-item:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
}

.nav-item.active:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
}

.nav-item i {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-item .badge {
  margin-left: auto;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.2);
}

.nav-item:not(.active) .badge {
  background: var(--color-bg);
  color: var(--color-text-muted);
}

.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-item .badge {
  display: none;
}

.sidebar.collapsed .nav-item {
  justify-content: center;
  padding: 12px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid var(--color-border);
}

.user-menu {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.user-menu:hover {
  background: var(--color-bg);
}

.user-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-secondary-light));
  color: var(--color-secondary-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Marcellus", serif;
  font-weight: 600;
  font-size: 0.9rem;
}

.user-info {
  flex: 1;
  min-width: 0;
  overflow: hidden;
}

.user-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-role {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  text-transform: capitalize;
}

.sidebar.collapsed .user-info,
.sidebar.collapsed .user-role {
  display: none;
}

.sidebar.collapsed .user-menu {
  justify-content: center;
  padding: 10px;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: margin-left var(--transition-normal);
}

.sidebar.collapsed + .main-content {
  margin-left: var(--sidebar-collapsed-width);
}

/* Header */
.dashboard-header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.sidebar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.sidebar-toggle:hover {
  background: var(--color-bg);
}

.page-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Content Area */
.dashboard-content {
  flex: 1;
  padding: 24px;
  max-width: 1400px;
  width: 95%;
  margin: 0 auto;
}

/* ==========================================================
   Components
   ========================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 24px;
  font-size: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg);
  border-color: var(--color-secondary);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid transparent;
}

.btn-ghost:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-danger {
  background: linear-gradient(135deg, var(--color-error), var(--color-error-light));
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-error));
}

.btn-success {
  background: linear-gradient(135deg, var(--color-success), #3a7d32);
  color: white;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.card-body {
  padding: 24px;
}

.card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* Stat Cards */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.stat-icon.primary { background: var(--color-primary-light); color: var(--color-primary); }
.stat-icon.success { background: var(--color-success-light); color: var(--color-success); }
.stat-icon.warning { background: var(--color-warning-light); color: var(--color-warning); }
.stat-icon.info { background: var(--color-info-light); color: var(--color-info); }
.stat-icon.error { background: var(--color-error-light); color: var(--color-error); }

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  margin: 0 0 4px;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Tables */
.table-container {
  overflow-x: auto;
  overflow-y: visible;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

/* Keep action menus visible above table rows and surrounding cards. */
.table-container:has(.dropdown.open) {
  position: relative;
  z-index: 20;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.table th {
  background: var(--color-bg);
  font-family: "Marcellus", serif;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary-dark);
  font-weight: 600;
  white-space: nowrap;
}

.table td {
  color: var(--color-text);
  vertical-align: middle;
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--color-bg);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.badge-success { background: var(--color-success-light); color: var(--color-success); }
.badge-error { background: var(--color-error-light); color: var(--color-error); }
.badge-warning { background: var(--color-warning-light); color: var(--color-warning); }
.badge-info { background: var(--color-info-light); color: var(--color-info); }
.badge-neutral { background: var(--color-bg); color: var(--color-text-muted); }

/* Forms */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 6px;
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 95%;
  padding: 10px 14px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--color-text);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(150, 19, 31, 0.1);
}

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

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

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B5B4C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-check-input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-check-label {
  font-size: 0.875rem;
  color: var(--color-text);
  cursor: pointer;
}

.form-help {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Search & Filter Bar */
.search-filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.search-box {
  flex: 1;
  min-width: 250px;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 10px 14px 10px 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  background: var(--color-bg);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(150, 19, 31, 0.1);
  background: var(--color-surface);
}

.search-box i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-select {
  min-width: 160px;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.pagination-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-bg);
  border-color: var(--color-secondary);
}

.pagination-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-info {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin: 0 8px;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px;
}

.empty-state-text {
  margin: 0 0 20px;
  max-width: 300px;
  margin-left: auto;
  margin-right: auto;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(20px);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}

.modal-close {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.tab-btn {
  padding: 12px 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-text);
}

.tab-btn.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Dropdown */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 180px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px 0;
  margin-top: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: 1000;
}

.dropdown.dropdown-up .dropdown-menu {
  top: auto;
  bottom: 100%;
  margin-top: 0;
  margin-bottom: 8px;
  transform: translateY(8px);
}

.dropdown.dropdown-up.open .dropdown-menu {
  transform: translateY(0);
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.875rem;
  color: var(--color-text);
  text-decoration: none;
  transition: background var(--transition-fast);
}

.dropdown-item:hover {
  background: var(--color-bg);
}

.dropdown-item.danger {
  color: var(--color-error);
}

.dropdown-divider {
  height: 1px;
  background: var(--color-border);
  margin: 8px 0;
}

/* Tooltip */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 6px 10px;
  font-size: 0.75rem;
  color: white;
  background: var(--color-text);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 100;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* ==========================================================
   Responsive
   ========================================================== */

@media (max-width: 1024px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar.collapsed {
    width: var(--sidebar-width);
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar-toggle {
    display: flex;
  }
}

@media (max-width: 768px) {
  .dashboard-content {
    padding: 16px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .stat-grid {
    grid-template-columns: 1fr;
  }

  .search-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .search-box {
    min-width: 100%;
  }

  .filter-group {
    width: 100%;
  }

  .filter-select {
    flex: 1;
  }

  .modal {
    margin: 12px;
    max-height: calc(100vh - 24px);
  }
}

@media (max-width: 480px) {
  .btn {
    padding: 10px 14px;
    font-size: 0.85rem;
  }

  .table th,
  .table td {
    padding: 10px 12px;
    font-size: 0.8rem;
  }

  .card-body {
    padding: 16px;
  }
}

/* ==========================================================
   Print
   ========================================================== */

@media print {
  .sidebar,
  .dashboard-header,
  .btn,
  .pagination,
  .search-filter-bar {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .dashboard-content {
    padding: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}