/* ============================================================
   Learner Portal — SkillsLao TVET
   Brand A — Lao Sky (generated from Prototype/branding.md)
   ============================================================ */

.brand-learner {
  /* Primary palette */
  --color-primary:        #1E40AF;
  --color-primary-dark:   #1E3A8A;
  --color-primary-light:  #DBEAFE;
  --color-on-primary:     #FFFFFF;

  /* Accent (Achievement Gold) */
  --color-accent:         #F59E0B;
  --color-accent-dark:    #D97706;
  --color-on-accent:      #FFFFFF;

  /* Status / Semantic */
  --color-success:        #10B981;
  --color-warning:        #F59E0B;
  --color-error:          #DC2626;
  --color-info:           #3B82F6;
  --color-neutral:        #94A3B8;

  /* Surface */
  --color-bg:             #F8FAFC;
  --color-surface:        #FFFFFF;
  --color-border:         #E2E8F0;
  --color-text:           #0F172A;
  --color-text-secondary: #475569;

  /* Layout */
  --sidebar-width:        240px;
  --topbar-height:        56px;
  --content-max-width:    1280px;
  --border-radius:        8px;
  --border-radius-sm:     4px;
  --border-radius-lg:     12px;

  /* Typography */
  --font-family:          'Noto Sans Lao', 'Sarabun', system-ui, sans-serif;
  --font-size-base:       16px;
}

/* ---- Base ---- */
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

code {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  padding: 2px 6px;
  border-radius: var(--border-radius-sm);
  font-size: 0.875em;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background-color: var(--color-surface);
  color: var(--color-text);
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  align-self: flex-start;
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
}

.sidebar-brand {
  font-weight: 700;
  font-size: 1.05rem;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--border-radius);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: -0.02em;
}
.brand-wordmark { color: var(--color-text); }
.text-muted-soft { color: var(--color-text-secondary); font-weight: 500; }

.sidebar-divider { border-color: var(--color-border); }

.sidebar .nav-link {
  color: var(--color-text);
  border-radius: var(--border-radius);
  padding: 8px 12px;
  margin-bottom: 2px;
  font-size: 0.95rem;
  background: transparent;
  border: none;
}
.sidebar .nav-link:hover {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.sidebar .nav-link.active {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}
.sidebar .nav-link.disabled {
  color: var(--color-neutral);
  cursor: not-allowed;
  background: transparent;
}
.sidebar .nav-link.disabled:hover {
  background: transparent;
  color: var(--color-neutral);
}

.sidebar-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 0;
  flex-wrap: nowrap !important;
}

.sidebar .nav-link {
  white-space: normal;
  word-break: break-word;
}

.sidebar .nav-group-toggle {
  font-weight: 500;
}
.sidebar .nav-group-toggle[aria-expanded="true"] .bi-chevron-down {
  transform: rotate(180deg);
}
.sidebar .bi-chevron-down {
  transition: transform 0.15s ease;
}

.sidebar .nav-sub {
  font-size: 0.9rem;
  padding: 6px 10px;
}

.sidebar-footer {
  background: var(--color-bg);
}
.public-link {
  color: var(--color-primary);
  font-size: 0.85rem;
}
.public-link-disabled {
  color: var(--color-neutral);
  font-size: 0.85rem;
}

.badge-pending {
  display: inline-block;
  background: var(--color-neutral);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 500;
  padding: 1px 6px;
  border-radius: 999px;
  vertical-align: middle;
}

/* ---- Topbar ---- */
.topbar {
  height: var(--topbar-height);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  position: sticky;
  top: 0;
  z-index: 1030;
}
.topbar-breadcrumb {
  color: var(--color-on-primary);
  font-weight: 500;
}
.topbar-user {
  color: var(--color-on-primary);
  font-size: 0.9rem;
  opacity: 0.9;
}
.topbar-prototype-badge {
  background: rgba(255,255,255,0.18);
  color: var(--color-on-primary);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 999px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.lang-switcher {
  font-size: 0.85rem;
  color: var(--color-on-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.lang-active { font-weight: 600; }
.lang-inactive { opacity: 0.65; }
.lang-sep { opacity: 0.5; }

/* ---- Content ---- */
.main-column {
  min-width: 0;
}
.content-area {
  background-color: var(--color-bg);
  overflow-y: auto;
}
.content-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
}

/* ---- Cards ---- */
.card {
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08), 0 1px 2px rgba(15, 23, 42, 0.04);
  background-color: var(--color-surface);
}
.card.is-pending {
  opacity: 0.75;
  border-style: dashed;
  background-color: var(--color-bg);
}
.card.quick-action {
  border-left: 3px solid var(--color-accent);
}

/* ---- Buttons ---- */
.btn {
  border-radius: var(--border-radius);
  font-weight: 500;
}
.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-on-primary);
}
.btn-accent {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-on-accent);
}
.btn-accent:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: var(--color-on-accent);
}
.btn-outline-primary {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline-primary:hover {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
}
.btn-google {
  background: #fff;
  border: 1px solid #dadce0;
  color: #3c4043;
}
.btn-google:hover {
  background: #f8f9fa;
  border-color: #dadce0;
  color: #3c4043;
}

/* ---- Status badges (pill) ---- */
.badge-status {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 999px;
  line-height: 1.4;
}
.badge-success { background-color: #DCFCE7; color: #15803D; }
.badge-warning { background-color: #FEF3C7; color: #A16207; }
.badge-error   { background-color: #FEE2E2; color: #B91C1C; }
.badge-info    { background-color: #DBEAFE; color: #1D4ED8; }
.badge-neutral { background-color: #F1F5F9; color: #475569; }

/* ---- Tables ---- */
.table thead th {
  background-color: var(--color-primary-light);
  color: var(--color-text);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: none;
}
.table tbody tr:hover {
  background-color: rgba(15, 23, 42, 0.03);
}

/* ---- Forms ---- */
.form-control,
.form-select {
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-family: var(--font-family);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.25);
}
.form-label {
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text);
}

/* ---- Heading sizes (web) ---- */
h1 { font-size: 40px; font-weight: 700; line-height: 1.2; }
h2 { font-size: 32px; font-weight: 600; line-height: 1.3; }
h3 { font-size: 24px; font-weight: 600; line-height: 1.4; }
h4 { font-size: 20px; font-weight: 600; line-height: 1.4; }
h5 { font-size: 16px; font-weight: 600; }
h6 { font-size: 14px; font-weight: 600; }
small { font-size: 14px; }