/* ILP Portal — Base & Component Styles */
@import './tokens.css';

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

html, body {
  min-height: 100vh;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', 'Sarabun', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Containers */
.container {
  width: 100%;
  max-width: var(--max-width-app);
  margin: 0 auto;
  padding: 1.25rem;
}

.auth-card {
  width: 100%;
  max-width: 440px;
  margin: 4rem auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

/* Header & Navigation */
.portal-navbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(18, 23, 34, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.25rem;
}

.portal-navbar-inner {
  max-width: var(--max-width-app);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand-title {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-gold);
  box-shadow: 0 0 10px var(--accent-gold);
}

.tab-bar {
  display: flex;
  gap: 0.5rem;
  margin: 1rem 0 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
}

.tab-btn.active {
  color: var(--text-primary);
  background: var(--bg-surface-elevated);
  border-color: var(--accent-blue);
}

/* Cards & Grid */
.surface-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1rem;
}

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

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 640px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* Badges & Status Chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
}

.badge-gold { color: var(--accent-gold); border-color: rgba(245, 158, 11, 0.35); }
.badge-present { color: var(--status-present); border-color: rgba(16, 185, 129, 0.35); }
.badge-late { color: var(--status-late); border-color: rgba(245, 158, 11, 0.35); }
.badge-absent { color: var(--status-absent); border-color: rgba(239, 68, 68, 0.35); }

/* Forms & Buttons */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-input, .form-select {
  width: 100%;
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.95rem;
  outline: none;
}

.form-input:focus, .form-select:focus {
  border-color: var(--border-focus);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  transition: opacity 0.15s ease, transform 0.1s ease;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: #ffffff;
}

.btn-gold {
  background: var(--accent-gold);
  border-color: var(--accent-gold);
  color: #0a0d14;
}

.btn-danger {
  background: var(--status-absent);
  border-color: var(--status-absent);
  color: #ffffff;
}

.btn-block {
  width: 100%;
}

/* Custom Modal Overlay (Replaces native window.alert/confirm) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(10, 13, 20, 0.78);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-box {
  width: 100%;
  max-width: 420px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.6);
}

.modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.modal-body {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
}