/* style.css — RAPAX Ship Management Design Tokens & Component Styles */

/* ========== FONTS ========== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Montserrat:wght@600;700;800&display=swap');

/* ========== DESIGN TOKENS ========== */
:root {
  --font-display: 'Montserrat', 'Helvetica Neue', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;

  /* Type scale */
  --text-xs:   clamp(0.6875rem, 0.65rem + 0.2vw, 0.8125rem);
  --text-sm:   clamp(0.8125rem, 0.78rem + 0.15vw, 0.875rem);
  --text-base: clamp(0.875rem, 0.84rem + 0.2vw, 1rem);
  --text-lg:   clamp(1.0625rem, 0.95rem + 0.5vw, 1.375rem);
  --text-xl:   clamp(1.375rem, 1.1rem + 1vw, 1.75rem);
  --text-2xl:  clamp(1.75rem, 1.3rem + 1.5vw, 2.5rem);

  /* Spacing (4px base) */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* RAPAX Maritime Colors — Light mode */
  --color-navy: #1B3A6B;
  --color-navy-dark: #142C52;
  --color-navy-light: #234B85;
  --color-teal: #0E7C86;
  --color-teal-hover: #0A6169;
  --color-teal-active: #084D54;

  --color-bg: #F2F6F8;
  --color-surface: #FFFFFF;
  --color-surface-2: #F8FAFC;
  --color-surface-offset: #EDF1F4;
  --color-divider: #D8DEE4;
  --color-border: #C8D0D8;

  --color-text: #1A2332;
  --color-text-muted: #5C6B7A;
  --color-text-faint: #94A0AE;
  --color-text-inverse: #FFFFFF;
  --color-text-on-navy: #C8D6E5;
  --color-text-on-navy-active: #FFFFFF;

  --color-primary: #0E7C86;
  --color-primary-hover: #0A6169;
  --color-primary-active: #084D54;
  --color-primary-highlight: #E0F0F1;

  --color-success: #1A7A3A;
  --color-success-bg: #E8F5EB;
  --color-warning: #B45309;
  --color-warning-bg: #FEF3C7;
  --color-error: #C92A2A;
  --color-error-bg: #FEE2E2;

  /* Sidebar */
  --sidebar-width: 240px;
  --sidebar-width-collapsed: 60px;
  --sidebar-bg: var(--color-navy);
  --sidebar-hover: var(--color-navy-light);
  --sidebar-active: rgba(255,255,255,0.12);

  /* Header */
  --header-height: 56px;

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 250ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(26,35,50,0.06);
  --shadow-md: 0 2px 8px rgba(26,35,50,0.08);
  --shadow-lg: 0 8px 24px rgba(26,35,50,0.12);
}

/* ========== LAYOUT ========== */
.app-shell {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: var(--header-height) 1fr;
  height: 100%;
  min-height: 100vh;
  min-height: 100dvh;
  overflow: hidden;
  margin-left: var(--sidebar-width);
}

.app-shell.sidebar-collapsed {
  margin-left: var(--sidebar-width-collapsed);
}

/* ========== SIDEBAR ========== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: grid;
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  z-index: 20;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px var(--space-3);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand .logo-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.sidebar-brand .brand-text {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  overflow: hidden;
}

.sidebar-brand .brand-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  color: var(--color-text-inverse);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1;
}

.sidebar-brand .brand-sub {
  font-size: 9px;
  color: var(--color-text-on-navy);
  opacity: 0.7;
  letter-spacing: 0.03em;
  white-space: nowrap;
  line-height: 1;
}

.sidebar-nav {
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-1) var(--space-2);
  min-height: 0;
}

.sidebar-section-label {
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.4);
  padding: 2px var(--space-3) 2px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px var(--space-3);
  border-radius: var(--radius-md);
  color: var(--color-text-on-navy);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  border: none;
  background: none;
  text-align: left;
}

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

.nav-item.active {
  background: var(--sidebar-active);
  color: var(--color-text-inverse);
}

.nav-item svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  opacity: 0.75;
}

.nav-item.active svg,
.nav-item:hover svg {
  opacity: 1;
}

.nav-item .nav-label {
  white-space: nowrap;
  overflow: hidden;
}

.sidebar-footer {
  padding: 4px var(--space-2);
  border-top: 1px solid rgba(255,255,255,0.1);
  background: var(--sidebar-bg);
}

.sidebar-user-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.sidebar-user-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 2px var(--space-1);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background var(--transition-fast);
  cursor: pointer;
  flex: 1;
  min-width: 0;
}

.sidebar-user-link:hover {
  background: var(--sidebar-hover);
}

.sidebar-signout-btn {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-on-navy);
  opacity: 0.6;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}
.sidebar-signout-btn:hover {
  background: var(--sidebar-hover);
  opacity: 1;
}
.sidebar-signout-btn svg {
  width: 14px;
  height: 14px;
}

.sidebar-user-info .user-avatar {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--color-teal);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 9px;
  font-weight: 600;
  flex-shrink: 0;
}

.sidebar-user-info .user-details {
  overflow: hidden;
}

.sidebar-user-info .user-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text-on-navy);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ========== HEADER ========== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-6);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  z-index: 10;
  min-height: var(--header-height);
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.header-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.btn-sidebar-toggle {
  display: none;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.btn-sidebar-toggle:hover {
  background: var(--color-surface-offset);
}

/* ========== MAIN CONTENT ========== */
.main-content {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: var(--space-6);
  background: var(--color-bg);
  min-height: 0;
}

/* ========== BUTTONS ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  line-height: 1.4;
  white-space: nowrap;
}

.btn svg { width: 16px; height: 16px; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:active { background: var(--color-primary-active); }

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

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
}
.btn-ghost:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-text-inverse);
}
.btn-danger:hover { opacity: 0.9; }

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-3) var(--space-6);
  font-size: var(--text-base);
}

/* ========== CARDS ========== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  transition: box-shadow var(--transition-fast);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
}

/* ========== KPI CARDS ========== */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.kpi-card .kpi-label {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.kpi-card .kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  font-variant-numeric: tabular-nums lining-nums;
}

.kpi-card .kpi-delta {
  font-size: var(--text-xs);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.kpi-delta.positive { color: var(--color-success); }
.kpi-delta.negative { color: var(--color-error); }
.kpi-delta.neutral { color: var(--color-text-muted); }

.kpi-card .kpi-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-1);
}

.kpi-icon.navy { background: rgba(27,58,107,0.1); color: var(--color-navy); }
.kpi-icon.teal { background: rgba(14,124,134,0.1); color: var(--color-teal); }
.kpi-icon.success { background: var(--color-success-bg); color: var(--color-success); }
.kpi-icon.warning { background: var(--color-warning-bg); color: var(--color-warning); }

/* ========== TABLES ========== */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.data-table {
  width: 100%;
  font-size: var(--text-sm);
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 1;
}

.data-table th {
  background: var(--color-surface-2);
  padding: var(--space-3) var(--space-4);
  text-align: left;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--color-divider);
  white-space: nowrap;
}

.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
  vertical-align: middle;
}

.data-table tbody tr:hover {
  background: var(--color-surface-2);
}

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

/* ========== BADGES ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); }
.badge-error { background: var(--color-error-bg); color: var(--color-error); }
.badge-info { background: rgba(14,124,134,0.1); color: var(--color-teal); }
.badge-neutral { background: var(--color-surface-offset); color: var(--color-text-muted); }
.badge-navy { background: rgba(27,58,107,0.1); color: var(--color-navy); }

/* ========== FORMS ========== */
.form-group {
  margin-bottom: var(--space-4);
}

.form-label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  margin-bottom: var(--space-1);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color 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(14,124,134,0.15);
}

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

.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='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235C6B7A' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  cursor: pointer;
}

.form-checkbox-row input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ========== PROGRESS BAR ========== */
.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--color-surface-offset);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  background: var(--color-teal);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-bar.lg { height: 10px; }

.progress-text {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  font-variant-numeric: tabular-nums;
}

/* ========== FILTERS ========== */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  align-items: center;
}

.filter-chip {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-surface);
}

.filter-chip:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-chip.active {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* ========== MODULE CARDS ========== */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-4);
}

.module-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.module-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.module-card .module-category {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-teal);
  margin-bottom: var(--space-2);
}

.module-card .module-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.module-card .module-desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  flex: 1;
}

.module-card .module-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: auto;
}

.module-card .module-duration {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ========== QUIZ / ASSESSMENT ========== */
.quiz-container {
  max-width: 680px;
  margin: 0 auto;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-divider);
}

.quiz-timer {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-navy);
  font-variant-numeric: tabular-nums;
}

.quiz-timer.warning { color: var(--color-warning); }
.quiz-timer.danger { color: var(--color-error); }

.quiz-progress-text {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.quiz-question {
  margin-bottom: var(--space-6);
}

.quiz-question h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-5);
  color: var(--color-text);
}

.quiz-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: var(--text-sm);
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-highlight);
}

.quiz-option .option-letter {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  background: var(--color-surface-offset);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
  font-weight: 600;
  flex-shrink: 0;
  color: var(--color-text-muted);
}

.quiz-option.selected .option-letter {
  background: var(--color-primary);
  color: #fff;
}

.quiz-nav {
  display: flex;
  justify-content: space-between;
  margin-top: var(--space-6);
}

/* Quiz result */
.quiz-result {
  text-align: center;
  padding: var(--space-8) var(--space-4);
}

.quiz-result .result-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-result .result-icon.pass {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.quiz-result .result-icon.fail {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.quiz-result .result-score {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 800;
  margin-bottom: var(--space-2);
}

.quiz-result .result-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

/* ========== CAMPAIGN WIZARD ========== */
.wizard-steps {
  display: flex;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.wizard-step {
  flex: 1;
  text-align: center;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-faint);
  border-bottom: 3px solid var(--color-divider);
  transition: all var(--transition-fast);
}

.wizard-step.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.wizard-step.completed {
  color: var(--color-success);
  border-bottom-color: var(--color-success);
}

/* ========== POLICY VIEW ========== */
.policy-content {
  max-width: 720px;
  line-height: 1.7;
}

.policy-content h1, .policy-content h2, .policy-content h3 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
}

.policy-content p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.policy-content ul, .policy-content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.policy-content li {
  margin-bottom: var(--space-2);
}

.policy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.policy-meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.policy-meta-item .meta-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-faint);
}

.policy-meta-item .meta-value {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

/* ========== LOGIN PAGE ========== */
.login-page {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-navy);
  padding: var(--space-4);
  z-index: 100;
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.login-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: var(--space-6);
}

.login-logo svg {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-3);
}

.login-logo .login-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--color-navy);
  letter-spacing: 0.06em;
}

.login-logo .login-subtitle {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.login-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  margin-bottom: var(--space-4);
  display: none;
}

.login-error.visible { display: block; }

/* ========== MODAL / DRAWER ========== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(26,35,50,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  padding: var(--space-4);
}

.modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  transform: translateY(10px);
  transition: transform var(--transition-normal);
}

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

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5);
  border-bottom: 1px solid var(--color-divider);
}

.modal-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}
.modal-close:hover { background: var(--color-surface-offset); }

.modal-body {
  padding: var(--space-5);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-divider);
}

/* ========== LESSON VIEWER ========== */
.lesson-viewer {
  max-width: 720px;
}

.lesson-viewer .lesson-content {
  line-height: 1.75;
  color: var(--color-text);
}

.lesson-viewer .lesson-content p {
  margin-bottom: var(--space-4);
}

.lesson-viewer .lesson-content h3 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-3);
  font-family: var(--font-display);
  font-weight: 700;
}

.lesson-viewer .lesson-content ul {
  padding-left: var(--space-6);
  margin-bottom: var(--space-4);
}

.lesson-viewer .lesson-content li {
  margin-bottom: var(--space-2);
}

.lesson-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

/* ========== SIDEBAR LIST (for lessons) ========== */
.lesson-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-6);
}

.lesson-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  height: fit-content;
  position: sticky;
  top: 0;
}

.lesson-sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lesson-sidebar-item:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.lesson-sidebar-item.active {
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  font-weight: 500;
}

.lesson-sidebar-item.completed {
  color: var(--color-success);
}

.lesson-sidebar-item .check-icon {
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lesson-sidebar-item.completed .check-icon {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #fff;
}

/* ========== EMPTY STATE ========== */
.empty-state {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--color-text-muted);
}

.empty-state svg {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--space-4);
  opacity: 0.4;
}

.empty-state h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: var(--text-sm);
  max-width: 400px;
  margin: 0 auto;
}

/* ========== TOAST ========== */
.toast-container {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.toast {
  background: var(--color-navy);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  animation: toastIn 300ms cubic-bezier(0.16, 1, 0.3, 1);
  max-width: 360px;
}

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

@keyframes toastIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== PAGE SECTION HEADERS ========== */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
}

.section-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

/* ========== CAMPAIGN STATUS ========== */
.campaign-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.campaign-card:hover {
  box-shadow: var(--shadow-md);
}

.campaign-card .campaign-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.campaign-card .campaign-title {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
}

.campaign-card .campaign-deadline {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.campaign-stats {
  display: flex;
  gap: var(--space-6);
  margin-top: var(--space-3);
}

.campaign-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.campaign-stat .stat-value {
  font-size: var(--text-lg);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.campaign-stat .stat-label {
  font-size: 10px;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ========== PROFILE ========== */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.profile-avatar {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: var(--color-navy);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  flex-shrink: 0;
}

.profile-info h2 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.profile-info .profile-role {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .app-shell {
    margin-left: 0;
  }

  .sidebar {
    left: -260px;
    width: 260px;
    z-index: 50;
    transition: left var(--transition-normal);
  }

  .sidebar.open {
    left: 0;
  }

  .sidebar-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 40;
    display: none;
  }

  .sidebar-backdrop.visible {
    display: block;
  }

  .btn-sidebar-toggle {
    display: flex;
  }

  .main-content {
    padding: var(--space-4);
  }

  .header {
  }

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

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

  .lesson-layout {
    grid-template-columns: 1fr;
  }

  .dashboard-grid-2 {
    grid-template-columns: 1fr !important;
  }

  .lesson-sidebar {
    position: static;
  }

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

  .filter-bar {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .campaign-stats {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .login-card {
    padding: var(--space-5);
  }
}

/* ========== UTILITY ========== */
.text-muted { color: var(--color-text-muted); }
.text-faint { color: var(--color-text-faint); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-teal { color: var(--color-teal); }
.text-navy { color: var(--color-navy); }
.font-mono { font-variant-numeric: tabular-nums lining-nums; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.hidden { display: none !important; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  cursor: pointer;
  margin-bottom: var(--space-4);
  transition: color var(--transition-fast);
}

.back-link:hover { color: var(--color-primary); }
.back-link svg { width: 16px; height: 16px; }

/* Tabs */
.tabs {
  display: flex;
  gap: var(--space-1);
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: var(--space-5);
}

.tab {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: -1px;
}

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

/* Acknowledged check */
.ack-status {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
}
.ack-status.acknowledged { color: var(--color-success); }
.ack-status.pending { color: var(--color-text-faint); }

/* ========== CONTENT PROTECTION ========== */

/* Disable text selection globally */
body, body * {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
/* Allow selection in form inputs/textareas */
input, textarea, select, [contenteditable="true"] {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

/* Shield overlay — activated on PrintScreen / blur / visibility hidden */
body.shield-active::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: var(--color-bg-dark);
  pointer-events: none;
}

/* Hide everything when printing */
@media print {
  html, body {
    display: none !important;
    visibility: hidden !important;
  }
}