/* SingerFans Admin Panel - CSS */
:root {
  --primary-orange: #FF6B35;
  --primary-yellow: #FFD93D;
  --bg-dark: #060000;
  --bg-default: #0D0D0D;
  --surface-dark: #141414;
  --surface-card: #1A1A1A;
  --text-primary: #FFFFFF;
  --text-secondary: #9CA3AF;
  --success: #10B981;
  --error: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;
  --purple: #8B5CF6;
  --pink: #EC4899;
  --cyan: #06B6D4;
  --sidebar-width: 260px;
  --header-height: 64px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background-color: var(--bg-default);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Login Page */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-default) 100%);
  padding: 20px;
}

.login-box {
  background: var(--surface-dark);
  border-radius: 16px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 32px;
}

.login-logo .logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.login-logo span {
  font-size: 24px;
  font-weight: 700;
}

.login-logo .orange { color: var(--primary-orange); }
.login-logo .white { color: var(--text-primary); }

.login-title {
  text-align: center;
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.form-group input {
  width: 100%;
  padding: 14px 16px;
  background: var(--surface-card);
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 15px;
  transition: border-color 0.2s;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-orange);
}

.form-group input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  color: var(--bg-dark);
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.3);
}

.btn-secondary {
  background: var(--surface-card);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: var(--surface-dark);
}

.btn-success {
  background: var(--success);
  color: white;
}

.btn-danger {
  background: var(--error);
  color: white;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 13px;
}

.login-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid var(--error);
  color: var(--error);
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  display: none;
}

/* Main Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  background: var(--surface-dark);
  border-right: 1px solid var(--surface-card);
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
  transition: transform 0.3s ease;
}

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

.sidebar-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
}

.sidebar-brand {
  font-size: 18px;
  font-weight: 700;
}

.sidebar-brand .orange { color: var(--primary-orange); }

.sidebar-nav {
  padding: 16px 0;
}

.nav-section {
  padding: 0 12px;
  margin-bottom: 8px;
}

.nav-section-title {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-secondary);
  padding: 12px 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 8px;
  margin: 2px 0;
  transition: all 0.2s;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--surface-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.15), rgba(255, 217, 61, 0.1));
  color: var(--primary-orange);
}

.nav-item .icon {
  font-size: 20px;
  width: 24px;
  text-align: center;
}

.nav-item .badge {
  margin-left: auto;
  background: var(--error);
  color: white;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
}

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

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

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

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
}

.header-title {
  font-size: 18px;
  font-weight: 600;
}

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

.header-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface-card);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
}

.header-icon:hover {
  background: var(--bg-default);
}

.header-icon .notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--error);
  border-radius: 50%;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-dropdown {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 6px 12px;
  border-radius: 10px;
  transition: background 0.2s;
}

.user-dropdown:hover {
  background: var(--surface-card);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.user-info {
  text-align: left;
}

.user-name {
  font-size: 14px;
  font-weight: 500;
}

.user-role {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Page Content */
.page-content {
  padding: 24px;
}

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--surface-dark);
  border-radius: 12px;
  padding: 20px;
}

.stat-card.gradient {
  background: linear-gradient(135deg, var(--primary-orange), var(--primary-yellow));
}

.stat-card.gradient .stat-label,
.stat-card.gradient .stat-value,
.stat-card.gradient .stat-change {
  color: var(--bg-dark);
}

.stat-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

.stat-card.gradient .stat-icon {
  background: rgba(0, 0, 0, 0.2);
}

.stat-change {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.stat-change.negative {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* Cards */
.card {
  background: var(--surface-dark);
  border-radius: 12px;
  overflow: hidden;
}

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

.card-title {
  font-size: 16px;
  font-weight: 600;
}

.card-body {
  padding: 20px;
}

/* Tables */
.table-container {
  overflow-x: auto;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--surface-card);
}

.table th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  font-weight: 500;
  background: var(--bg-default);
}

.table td {
  font-size: 14px;
}

.table tr:hover {
  background: var(--surface-card);
}

.table .user-cell {
  display: flex;
  align-items: center;
  gap: 12px;
}

.table .user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--surface-card);
}

.table .user-name {
  font-weight: 500;
}

.table .user-email {
  font-size: 12px;
  color: var(--text-secondary);
}

/* Status Badges */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.status-badge.pending {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.status-badge.approved {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.status-badge.rejected {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.status-badge.active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.status-badge.inactive {
  background: rgba(107, 114, 128, 0.1);
  color: var(--text-secondary);
}

/* Grid Layout */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

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

.empty-state .icon {
  font-size: 64px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state h3 {
  color: var(--text-primary);
  margin-bottom: 8px;
}

/* Loading */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--surface-card);
  border-top-color: var(--primary-orange);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px;
  gap: 16px;
  color: var(--text-secondary);
}

/* Actions */
.actions {
  display: flex;
  gap: 8px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
}

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

.modal {
  background: var(--surface-dark);
  border-radius: 16px;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.3s;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

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

.modal-title {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--surface-card);
  border: none;
  color: var(--text-primary);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 20px;
  border-top: 1px solid var(--surface-card);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Tabs */
.tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-default);
  padding: 4px;
  border-radius: 10px;
  margin-bottom: 20px;
}

.tab {
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  background: none;
}

.tab.active {
  background: var(--primary-orange);
  color: var(--bg-dark);
}

.tab:hover:not(.active) {
  color: var(--text-primary);
}

/* Search */
.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-default);
  border-radius: 10px;
  padding: 10px 16px;
  flex: 1;
  max-width: 400px;
}

.search-box input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
}

.search-box input:focus {
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-secondary);
}

/* Filter */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.filter-select {
  padding: 10px 16px;
  background: var(--surface-card);
  border: none;
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
}

.filter-select:focus {
  outline: none;
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
}

.pagination-btn {
  padding: 8px 14px;
  background: var(--surface-card);
  border: none;
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 14px;
  cursor: pointer;
  transition: background 0.2s;
}

.pagination-btn:hover {
  background: var(--surface-dark);
}

.pagination-btn.active {
  background: var(--primary-orange);
  color: var(--bg-dark);
}

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

/* Responsive */
@media (max-width: 1200px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .sidebar {
    transform: translateX(-100%);
  }

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

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

  .menu-toggle {
    display: block;
  }

  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    display: none;
  }

  .sidebar-overlay.active {
    display: block;
  }
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .filter-bar {
    flex-wrap: wrap;
  }

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

  .header-title {
    display: none;
  }

  .user-info {
    display: none;
  }

  .table th,
  .table td {
    padding: 10px 12px;
  }
}

/* Toast notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1100;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toast {
  background: var(--surface-dark);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
  animation: slideIn 0.3s ease;
  min-width: 300px;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--error);
}

.toast.warning {
  border-left: 4px solid var(--warning);
}

.toast .icon {
  font-size: 20px;
}

.toast.success .icon { color: var(--success); }
.toast.error .icon { color: var(--error); }
.toast.warning .icon { color: var(--warning); }

.toast .message {
  flex: 1;
  font-size: 14px;
}

.toast .close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 18px;
}

/* Amount highlighting */
.amount {
  font-weight: 600;
}

.amount.positive {
  color: var(--success);
}

.amount.negative {
  color: var(--error);
}

/* Info rows */
.info-row {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--surface-card);
}

.info-row:last-child {
  border-bottom: none;
}

.info-label {
  color: var(--text-secondary);
  font-size: 14px;
}

.info-value {
  font-weight: 500;
  font-size: 14px;
}

/* OTP Verification Styles */
.otp-subtitle {
  text-align: center;
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

.otp-inputs {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-bottom: 24px;
}

.otp-input {
  width: 48px;
  height: 56px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
  background: var(--surface-card);
  border: 2px solid transparent;
  border-radius: 12px;
  color: var(--text-primary);
  transition: all 0.2s;
}

.otp-input:focus {
  outline: none;
  border-color: var(--primary-orange);
  background: var(--bg-default);
}

.otp-input.filled {
  border-color: var(--primary-orange);
  background: rgba(255, 107, 53, 0.1);
}

.otp-input.error {
  border-color: var(--error);
  background: rgba(239, 68, 68, 0.1);
  animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

.otp-resend {
  margin-top: 20px;
  text-align: center;
}

.otp-resend .btn-secondary {
  width: 100%;
}

.otp-resend .btn-secondary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-link {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 14px;
  margin-top: 16px;
  padding: 8px;
  width: 100%;
  transition: color 0.2s;
}

.btn-link:hover {
  color: var(--primary-orange);
}