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

:root {
  --primary-color: #007e85;
  --primary-dark: #005f63;
  --primary-light: #009d9d;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --neutral-50: #f9fafb;
  --neutral-100: #f3f4f6;
  --neutral-200: #e5e7eb;
  --neutral-300: #d1d5db;
  --neutral-400: #9ca3af;
  --neutral-500: #6b7280;
  --neutral-600: #4b5563;
  --neutral-700: #374151;
  --neutral-800: #1f2937;
  --neutral-900: #111827;
  --transition: all 0.3s ease;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --border-color: #e5e7eb;
}

body.dark-mode {
  --neutral-50: #0f172a;
  --neutral-100: #1e293b;
  --neutral-200: #334155;
  --bg-primary: #1e293b;
  --bg-secondary: #0f172a;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --border-color: #334155;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  line-height: 1.5;
}

/* --- Auth Page --- */
.auth-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
}

.auth-card {
  background: var(--bg-primary);
  padding: 40px;
  border-radius: 12px;
  box-shadow: 0 20px 25px rgba(0, 0, 0, 0.15);
  max-width: 500px;
  width: 90%;
}

.auth-header {
  text-align: center;
  margin-bottom: 30px;
}

.auth-header i {
  font-size: 48px;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.auth-header h1 {
  font-size: 28px;
  margin: 0;
}

.auth-card h2 {
  font-size: 24px;
  margin-bottom: 10px;
}

.notice {
  background: var(--neutral-100);
  padding: 12px;
  border-left: 4px solid var(--primary-color);
  border-radius: 4px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-secondary);
}

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: var(--text-primary);
}

.form-group input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
}

.form-group input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 126, 133, 0.1);
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
}

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

.btn-primary:disabled {
    background-color: var(--neutral-400);
    cursor: not-allowed;
}

/* --- Dashboard --- */
.dashboard {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.dashboard.hidden {
  display: none;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.topbar {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 15px 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.topbar h2 {
  font-size: 22px;
  margin: 0;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 14px;
  font-weight: 500;
}

.toggle-btn, .logout-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    transition: var(--transition);
}

.toggle-btn:hover, .logout-btn:hover {
    color: var(--primary-color);
}


.content {
  flex: 1;
  overflow-y: auto;
  padding: 25px;
  background: var(--bg-secondary);
}

.card {
  background: var(--bg-primary);
  border-radius: 8px;
  padding: 25px;
  border: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  font-size: 18px;
}

.dashboard-grid-simplified {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
    max-width: 900px;
    margin: 0 auto;
}

.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px 25px;
}

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

.detail-item strong {
    color: var(--text-primary);
    display: block;
    font-weight: 500;
    margin-bottom: 2px;
}

.history-subtitle {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
    margin-top: 25px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
}

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

.info-list li strong {
    color: var(--text-primary);
    font-weight: 500;
}

.muted {
  color: var(--text-secondary);
  text-align: center;
  padding: 20px;
  font-style: italic;
  display: block;
}

@media (max-width: 600px) {
    .auth-card {
        padding: 25px;
    }
    .topbar {
        padding: 15px;
    }
    .content {
        padding: 15px;
    }
    .details-grid {
        grid-template-columns: 1fr;
    }
}