/* ============================================================
   App Layout — sidebar + main
   ============================================================ */

.app-body {
  display: flex;
  min-height: 100vh;
  background: var(--bg-primary);
}

/* Sidebar */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  z-index: 100;
}

.sidebar-top {
  padding: 28px 20px 20px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo-text {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--fg-primary);
  text-decoration: none;
  display: block;
}
.sidebar-logo-text span { color: var(--accent); }

.sidebar-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-secondary);
  text-decoration: none;
  transition: background 0.15s, color 0.15s;
}
.sidebar-link:hover {
  background: var(--accent-soft);
  color: var(--fg-primary);
}
.sidebar-link.active {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px 12px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.sidebar-avatar {
  width: 36px;
  height: 36px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
}

.sidebar-user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-user-role {
  font-size: 11px;
  color: var(--fg-muted);
}

.btn-logout {
  width: 100%;
  background: none;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--fg-muted);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-logout:hover {
  border-color: var(--fg-muted);
  color: var(--fg-primary);
}

/* Main content area */
.app-main {
  margin-left: 240px;
  flex: 1;
  padding: 48px 48px 80px;
  max-width: 1040px;
}

/* Page header */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 24px;
}

.page-title {
  font-family: 'Syne', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--fg-primary);
  line-height: 1.1;
}
.page-sub {
  font-size: 15px;
  color: var(--fg-secondary);
  margin-top: 6px;
}

/* ============================================================
   Buttons
   ============================================================ */

.btn-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Space Grotesk', sans-serif;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: opacity 0.15s, transform 0.1s;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.88; transform: translateY(-1px); }
.btn-primary.btn-full { width: 100%; justify-content: center; margin-top: 8px; }

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--fg-secondary);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--fg-muted); color: var(--fg-primary); }

/* ============================================================
   Stats row (dashboard)
   ============================================================ */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}

.stat-card-num {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.stat-card-label {
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 6px;
}

/* ============================================================
   Alerts
   ============================================================ */

.alert-error {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: #ef4444;
  margin-bottom: 20px;
}

.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 14px;
  color: #10b981;
  margin-bottom: 20px;
}

.alert-info {
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.25);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 14px;
  color: var(--fg-secondary);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 28px;
}
.alert-info svg { color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.alert-info strong { color: var(--fg-primary); }
.alert-link { color: var(--accent); text-decoration: none; font-weight: 600; }
.alert-link:hover { text-decoration: underline; }

/* ============================================================
   Sections
   ============================================================ */

.section {
  margin-bottom: 40px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.section-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.section-link:hover { text-decoration: underline; }

.section-count {
  font-size: 12px;
  color: var(--fg-muted);
}

/* ============================================================
   Document grid (dashboard)
   ============================================================ */

.doc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s;
}
.doc-card:hover { border-color: var(--accent); }

.doc-card-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}

.doc-card-body { flex: 1; min-width: 0; }
.doc-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 4px;
}
.doc-card-cat {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.doc-card-desc {
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.5;
}

.doc-card-arrow {
  font-size: 18px;
  color: var(--fg-muted);
  flex-shrink: 0;
  transition: color 0.15s, transform 0.15s;
}
.doc-card:hover .doc-card-arrow { color: var(--accent); transform: translateX(3px); }

/* ============================================================
   Document list (library)
   ============================================================ */

.doc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.doc-list-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s;
}
.doc-list-item:hover { border-color: var(--accent); }

.doc-list-icon { font-size: 22px; flex-shrink: 0; }

.doc-list-body { flex: 1; min-width: 0; }
.doc-list-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 3px;
}
.doc-list-desc {
  font-size: 13px;
  color: var(--fg-secondary);
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.doc-list-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.doc-version {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 7px;
}

.doc-arrow {
  font-size: 16px;
  color: var(--fg-muted);
  transition: color 0.15s, transform 0.15s;
}
.doc-list-item:hover .doc-arrow { color: var(--accent); transform: translateX(3px); }

/* ============================================================
   Filter tabs
   ============================================================ */

.filter-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.filter-tab {
  padding: 7px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-secondary);
  text-decoration: none;
  border: 1px solid var(--border);
  transition: all 0.15s;
}
.filter-tab:hover { color: var(--fg-primary); border-color: var(--fg-muted); }
.filter-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}

/* ============================================================
   Profile summary (dashboard)
   ============================================================ */

.profile-summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.profile-avatar-lg {
  width: 56px;
  height: 56px;
  background: var(--accent-soft);
  border: 2px solid var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
  flex-shrink: 0;
}

.profile-summary-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--fg-primary);
}
.profile-summary-company {
  font-size: 14px;
  color: var(--fg-secondary);
  margin-top: 2px;
}
.profile-summary-meta {
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 6px;
}

/* ============================================================
   Document detail
   ============================================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 28px;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

.doc-detail-header {
  margin-bottom: 32px;
}

.doc-detail-icon {
  font-size: 36px;
  margin-bottom: 12px;
}

.doc-detail-meta {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.doc-cat-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 3px 8px;
}
.doc-version-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
}

.doc-detail-title {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.doc-detail-desc {
  font-size: 16px;
  color: var(--fg-secondary);
  line-height: 1.7;
  max-width: 620px;
}

.doc-preview-notice {
  background: var(--accent-soft);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: var(--fg-secondary);
  margin-bottom: 28px;
}
.doc-preview-notice svg { color: var(--accent); flex-shrink: 0; margin-top: 1px; }
.doc-preview-notice strong { color: var(--fg-primary); }

.doc-content-placeholder {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 48px 32px;
  text-align: center;
  margin-bottom: 28px;
}

.doc-placeholder-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.doc-content-placeholder h3 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
}
.doc-content-placeholder p {
  font-size: 15px;
  color: var(--fg-secondary);
  margin-bottom: 24px;
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.doc-detail-footer {
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.doc-footer-note {
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.5;
}

/* ============================================================
   Auth layout
   ============================================================ */

.auth-body {
  background: var(--bg-primary);
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 60px 24px;
}

.auth-container {
  width: 100%;
  max-width: 560px;
}

.auth-brand {
  text-align: center;
  margin-bottom: 32px;
}
.auth-tagline {
  font-size: 13px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 4px;
}

.auth-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 40px;
}

.auth-title {
  font-family: 'Syne', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
}
.auth-sub {
  font-size: 14px;
  color: var(--fg-secondary);
  margin-bottom: 28px;
  line-height: 1.6;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.auth-switch {
  margin-top: 20px;
  font-size: 13px;
  color: var(--fg-muted);
  text-align: center;
}
.auth-switch a { color: var(--accent); text-decoration: none; font-weight: 600; }
.auth-switch a:hover { text-decoration: underline; }

/* ============================================================
   Form components (shared)
   ============================================================ */

.form-section-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--fg-muted);
  margin-bottom: 12px;
  margin-top: 4px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 14px;
  font-family: 'Space Grotesk', sans-serif;
  color: var(--fg-primary);
  outline: none;
  transition: border-color 0.15s;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--fg-muted); }

.form-row { display: flex; flex-direction: column; }
.form-row.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.required { color: #ef4444; }

/* Profile form layout */
.profile-form { display: flex; flex-direction: column; gap: 24px; }

.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 28px 12px;
}
.form-card-title {
  font-family: 'Syne', sans-serif;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
}
.form-card-desc {
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}
.form-card-desc em { color: var(--fg-secondary); font-style: normal; }

.form-actions {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-bottom: 16px;
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); }
  .app-main { margin-left: 0; padding: 24px; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .doc-grid { grid-template-columns: 1fr; }
  .form-row.two-col, .form-row.three-col { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; }
  .doc-detail-footer { flex-direction: column; align-items: flex-start; }
}

/* ============================================================
   Landing page nav update (add login/register links)
   ============================================================ */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.nav-login:hover { color: var(--fg-primary); }
.nav-register {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-primary);
  background: var(--accent);
  border-radius: 7px;
  padding: 8px 16px;
  text-decoration: none;
  transition: opacity 0.15s;
}
.nav-register:hover { opacity: 0.85; }