/**
 * SharpScan Admin Panel - Styles
 * ============================================================================
 */

/* CSS Variables */
:root {
  --primary-color: #4F46E5;
  --primary-hover: #4338CA;
  --secondary-color: #10B981;
  --danger-color: #EF4444;
  --warning-color: #F59E0B;
  --info-color: #3B82F6;
  --dark-bg: #1F2937;
  --sidebar-bg: #111827;
  --text-primary: #111827;
  --text-secondary: #6B7280;
  --border-color: #E5E7EB;
  --success-bg: #D1FAE5;
  --error-bg: #FEE2E2;
  --card-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --transition: all 0.3s ease;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  background: #F9FAFB;
}

/* Login Page */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: white;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.logo {
  text-align: center;
  margin-bottom: 32px;
}

.logo h1 {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 4px;
}

.logo .subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea,
.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: white;
  transition: var(--transition);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-group textarea {
  resize: vertical;
  min-height: 80px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group small {
  display: block;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 4px;
}

.btn {
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

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

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

.btn-primary:disabled {
  background: var(--text-secondary);
  cursor: not-allowed;
}

.btn-loader {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.error-message {
  background: var(--error-bg);
  color: var(--danger-color);
  padding: 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 20px;
  border: 1px solid var(--danger-color);
}

.success-message {
  background: var(--success-bg);
  color: var(--secondary-color);
  padding: 12px;
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 20px;
  border: 1px solid var(--secondary-color);
}

.login-footer {
  margin-top: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
}

.security-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 8px;
  color: var(--primary-color);
}

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

.sidebar {
  width: 260px;
  background: var(--sidebar-bg);
  color: white;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: white;
  margin-bottom: 4px;
}

.sidebar-header p {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.sidebar-nav {
  padding: 20px 0;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
  font-size: 14px;
  font-weight: 500;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.nav-item.active {
  background: rgba(79, 70, 229, 0.2);
  color: white;
  border-left: 3px solid var(--primary-color);
  padding-left: 17px;
}

.nav-icon {
  width: 20px;
  height: 20px;
}

.sidebar-footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
}

.user-details {
  flex: 1;
}

.user-name {
  font-size: 14px;
  font-weight: 600;
  color: white;
  display: block;
}

.user-role {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}

.btn-logout {
  width: 100%;
  background: rgba(239, 68, 68, 0.2);
  color: #FCA5A5;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.3);
  color: white;
}

.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 32px;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

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

/* Stats Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.stat-card {
  background: white;
  padding: 24px;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
}

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

.stat-title {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.stat-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-icon.primary { background: rgba(79, 70, 229, 0.1); color: var(--primary-color); }
.stat-icon.success { background: rgba(16, 185, 129, 0.1); color: var(--secondary-color); }
.stat-icon.warning { background: rgba(245, 158, 11, 0.1); color: var(--warning-color); }
.stat-icon.info { background: rgba(59, 130, 246, 0.1); color: var(--info-color); }

.stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.stat-change {
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-change.positive { color: var(--secondary-color); }
.stat-change.negative { color: var(--danger-color); }

/* Content Actions */
.content-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.content-actions .btn {
  width: auto;
}

.content-actions .filters {
  display: flex;
  gap: 12px;
  flex: 1;
}

.content-actions .action-buttons {
  display: flex;
  gap: 12px;
}

/* Card */
.card {
  background: white;
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  margin-bottom: 24px;
}

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

.card-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 24px;
}

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

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

thead {
  background: #F9FAFB;
  border-bottom: 2px solid var(--border-color);
}

th {
  text-align: left;
  padding: 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

td {
  padding: 16px 12px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
}

tbody tr:hover {
  background: #F9FAFB;
}

/* Badge */
.badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
}

.badge.success { background: var(--success-bg); color: var(--secondary-color); }
.badge.danger { background: var(--error-bg); color: var(--danger-color); }
.badge.warning { background: #FEF3C7; color: var(--warning-color); }
.badge.info { background: #DBEAFE; color: var(--info-color); }

/* Buttons */
.btn-secondary {
  background: #F3F4F6;
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: #E5E7EB;
}

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

.btn-success:hover {
  background: #059669;
}

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

.btn-danger:hover {
  background: #DC2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
  width: auto;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-content {
  background: white;
  border-radius: 12px;
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.modal-large {
  max-width: 900px;
}

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

.modal-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  transition: var(--transition);
}

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

.modal form {
  padding: 24px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding: 20px 24px;
  border-top: 1px solid var(--border-color);
  background: var(--bg-light);
  border-bottom-left-radius: 12px;
  border-bottom-right-radius: 12px;
}

/* Responsive */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }

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

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

  .modal-content {
    max-width: 100%;
    margin: 0;
  }
}

/* ============================================================================
 * Settings Page
 * ============================================================================ */

.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 32px;
}

.settings-card {
  min-width: 0;
}

.settings-card .card-header {
  padding: 20px;
  border-bottom: 1px solid var(--border-color);
}

.settings-card .card-header h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 4px 0;
}

.settings-card .card-header p {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
}

.settings-section {
  padding: 20px;
}

.settings-section .form-group {
  margin-bottom: 16px;
}

.settings-section .form-group:last-of-type {
  margin-bottom: 20px;
}

.btn-block {
  width: 100%;
  display: block;
}

.modal-large {
  max-width: 800px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 13px;
  line-height: 1.5;
}

@media (max-width: 1024px) {
  .settings-grid {
    grid-template-columns: 1fr;
  }
}