/**
 * app.css
 * Design system Jurnal Guru — Data-Dense Dashboard, LMS teal, Corporate Trust.
 * Semua warna lewat CSS variables. Tanpa Tailwind build step.
 */

/* ===== Design Tokens ===== */
:root {
  --color-primary: #0D9488;
  --color-on-primary: #FFFFFF;
  --color-secondary: #2DD4BF;
  --color-accent: #D97706;
  --color-on-accent: #FFFFFF;
  --color-background: #F0FDFA;
  --color-foreground: #134E4A;
  --color-card: #FFFFFF;
  --color-card-foreground: #134E4A;
  --color-muted: #E8F1F4;
  --color-muted-foreground: #64748B;
  --color-border: #CBE7E3;
  --color-destructive: #DC2626;
  --color-on-destructive: #FFFFFF;
  --color-ring: #0D9488;
  --status-hadir: #059669;
  --status-sakit: #D97706;
  --status-izin: #2563EB;
  --status-alpa: #DC2626;
  --status-terlambat: #7C3AED;
  --status-dispensasi: #0891B2;
  --radius: 10px;
  --grid-gap: 12px;
  --card-padding: 16px;
  --table-row-height: 44px;
  --sidebar-width: 248px;
  --header-height: 56px;
  --easing: cubic-bezier(0.2, 0, 0, 1);
  --font-sans: "Source Sans 3", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: "Lexend", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

[data-theme="dark"] {
  --color-primary: #2DD4BF;
  --color-on-primary: #134E4A;
  --color-background: #0F1C1A;
  --color-foreground: #E0F2F1;
  --color-card: #1A2E2B;
  --color-card-foreground: #E0F2F1;
  --color-muted: #243B38;
  --color-muted-foreground: #94A3B8;
  --color-border: #2D4A46;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-background);
  color: var(--color-foreground);
  line-height: 1.5;
  min-height: 100dvh;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 0.5rem;
  line-height: 1.3;
}
h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
button, input, select, textarea {
  font: inherit;
  color: inherit;
}
button { cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--color-ring);
  outline-offset: 2px;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  padding: 8px 16px;
  z-index: 100;
}
.skip-link:focus { left: 0; }

/* ===== Layout ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100dvh;
  background: var(--color-card);
  border-right: 1px solid var(--color-border);
  transform: translateX(-100%);
  transition: transform 200ms var(--easing);
  z-index: 40;
  overflow-y: auto;
}
.sidebar.open { transform: translateX(0); }
@media (min-width: 1024px) {
  .sidebar { transform: translateX(0); }
}
.sidebar-brand {
  height: var(--header-height);
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--color-primary);
}
.sidebar-nav { padding: 12px 8px; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--color-foreground);
  min-height: 44px;
  text-decoration: none;
}
.nav-item:hover { background: var(--color-muted); text-decoration: none; }
.nav-item.active {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
  color: var(--color-primary);
  font-weight: 600;
}
.nav-section {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-muted-foreground);
  padding: 16px 12px 6px;
}

.header {
  position: sticky;
  top: 0;
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  background: var(--color-card);
  border-bottom: 1px solid var(--color-border);
  z-index: 30;
}
@media (min-width: 1024px) {
  .header { margin-left: var(--sidebar-width); }
}
.header-title {
  flex: 1;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.125rem;
}
.header-user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
}
.user-name { color: var(--color-muted-foreground); }

.main-content {
  padding: 16px;
  padding-bottom: 80px;
  max-width: 1440px;
}
@media (min-width: 1024px) {
  .main-content {
    margin-left: var(--sidebar-width);
    padding: 24px;
    padding-bottom: 24px;
  }
}

.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  display: flex;
  background: var(--color-card);
  border-top: 1px solid var(--color-border);
  z-index: 30;
  padding-bottom: env(safe-area-inset-bottom);
}
@media (min-width: 768px) {
  .bottom-nav { display: none; }
}
.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-size: 0.6875rem;
  color: var(--color-muted-foreground);
  text-decoration: none;
  min-height: 44px;
}
.bottom-nav-item:hover,
.bottom-nav-item.active {
  color: var(--color-primary);
  text-decoration: none;
}

/* ===== Components ===== */
.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--card-padding);
}
.card-title { font-size: 0.875rem; color: var(--color-muted-foreground); }
.card-value { font-size: 1.75rem; font-weight: 700; font-variant-numeric: tabular-nums; margin: 4px 0; }
.card-link { font-size: 0.875rem; }
.card-heading { margin-bottom: 12px; }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--grid-gap);
}

.page-header { margin-bottom: 20px; }
.page-header h1 { margin-bottom: 4px; }
.flex-between { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: background 150ms var(--easing), border-color 150ms var(--easing);
  text-decoration: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover:not(:disabled) { filter: brightness(1.05); text-decoration: none; }
.btn-secondary {
  background: var(--color-card);
  border-color: var(--color-border);
  color: var(--color-foreground);
}
.btn-secondary:hover:not(:disabled) { background: var(--color-muted); text-decoration: none; }
.btn-block { width: 100%; }
.btn-icon {
  background: transparent;
  border: none;
  padding: 8px;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}
.btn-icon:hover { background: var(--color-muted); }
.btn-text {
  background: none;
  border: none;
  color: var(--color-primary);
  padding: 4px 8px;
  min-height: auto;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-card);
  font-size: 1rem; /* cegah auto-zoom iOS */
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-primary);
  outline: 2px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  outline-offset: 0;
}
.form-check label { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.form-inline { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 12px; }
.form-inline .form-group { margin-bottom: 0; }
.input-with-toggle { position: relative; }
.input-with-toggle input { padding-right: 72px; }
.btn-toggle-password {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-muted-foreground);
  font-size: 0.8125rem;
  padding: 4px 8px;
}

.alert {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-size: 0.9375rem;
}
.alert-error { background: #FEE2E2; color: #991B1B; }
.alert-success { background: #D1FAE5; color: #065F46; }
.toast {
  padding: 12px 16px;
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.toast-error { background: #FEE2E2; color: #991B1B; }
.toast-success { background: #D1FAE5; color: #065F46; }

.icon {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
  flex-shrink: 0;
}

.text-muted { color: var(--color-muted-foreground); }
.text-center { text-align: center; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mb-4 { margin-bottom: 1rem; }
.gap-3 { gap: 0.75rem; }
.action-buttons { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== Auth page ===== */
.auth-page {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: linear-gradient(145deg, #F0FDFA 0%, #CCFBF1 100%);
}
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--color-card);
  border-radius: calc(var(--radius) + 4px);
  padding: 32px 24px;
  border: 1px solid var(--color-border);
  box-shadow: 0 4px 24px rgba(13, 148, 136, 0.08);
}
.auth-brand { text-align: center; margin-bottom: 28px; }
.auth-brand h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}
.auth-brand p { color: var(--color-muted-foreground); font-size: 0.875rem; margin: 0; }
.auth-form { margin-bottom: 16px; }
.auth-help {
  text-align: center;
  font-size: 0.8125rem;
  color: var(--color-muted-foreground);
  margin: 0;
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ===== Utility angka tabular ===== */
.tabular-nums { font-variant-numeric: tabular-nums; }

/* Field helpers */
.required { color: var(--color-destructive); }
.field-help { font-size: 0.8125rem; color: var(--color-muted-foreground); margin: 4px 0 0; }
.skala-group { display: flex; flex-wrap: wrap; gap: 8px; }
.skala-item {
  display: flex; align-items: center; gap: 6px;
  min-height: 44px; padding: 0 12px;
  border: 1px solid var(--color-border); border-radius: var(--radius);
  cursor: pointer;
}
.skala-item:has(input:checked) {
  border-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 10%, transparent);
}

/* PWA install bar */
.pwa-install-bar {
  position: fixed;
  bottom: 72px;
  left: 12px;
  right: 12px;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(13, 148, 136, 0.15);
  font-size: 0.875rem;
}
@media (min-width: 768px) {
  .pwa-install-bar { bottom: 16px; left: auto; right: 16px; max-width: 360px; }
  .pwa-install-bar { margin-left: var(--sidebar-width); }
}
.pwa-install-actions { display: flex; gap: 8px; align-items: center; }

/* WhatsApp button */
.btn-wa {
  background: #25D366;
  color: #fff;
  border: none;
}
.btn-wa:hover:not(:disabled) { filter: brightness(1.05); text-decoration: none; color: #fff; }