/* ═══════════════════════════════════════════════════════════════════════════
   K483 Design System — Carbon + Direction C hybrid
   Design tokens: near-black bg, electric cyan accent, persistent sidebar
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── FONT IMPORTS ────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Share+Tech+Mono&display=swap');

/* ─── DESIGN TOKENS ───────────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --k-bg:          #09090B;
  --k-sidebar-bg:  #111116;
  --k-surface:     #18181B;
  --k-surface-2:   #1E1E24;
  --k-surface-3:   #27272A;

  /* Borders */
  --k-border-faint: #1A1A22;
  --k-border:       #27272A;
  --k-border-med:   #3F3F46;

  /* Text */
  --k-text:       #F4F4F5;
  --k-text-dim:   #A1A1AA;
  --k-text-muted: #71717A;
  --k-text-xmuted:#52525B;

  /* Accent — electric cyan */
  --k-cyan:        #22D3EE;
  --k-cyan-dim:    rgba(34, 211, 238, 0.15);
  --k-cyan-border: rgba(34, 211, 238, 0.35);
  --k-cyan-hover:  rgba(34, 211, 238, 0.08);

  /* Semantic colours */
  --k-green:        #34D399;
  --k-green-dim:    rgba(52, 211, 153, 0.12);
  --k-green-border: rgba(52, 211, 153, 0.35);
  --k-red:          #F87171;
  --k-red-dim:      rgba(248, 113, 113, 0.12);
  --k-red-border:   rgba(248, 113, 113, 0.35);
  --k-amber:        #FBBF24;
  --k-amber-dim:    rgba(251, 191, 36, 0.12);
  --k-amber-border: rgba(251, 191, 36, 0.35);
  --k-blue:         #60A5FA;
  --k-blue-dim:     rgba(96, 165, 250, 0.12);
  --k-blue-border:  rgba(96, 165, 250, 0.35);
  --k-purple:       #A78BFA;
  --k-purple-dim:   rgba(167, 139, 250, 0.12);
  --k-gold:         #FBBF24;

  /* Sidebar */
  --k-sidebar-w:     220px;
  --k-mobile-bar-h:  56px;

  /* Typography */
  --k-font: 'Inter', 'Rajdhani', system-ui, sans-serif;
  --k-font-sans: 'Rajdhani', sans-serif;
  --k-mono: 'Share Tech Mono', 'Fira Code', monospace;
  --k-font-mono: 'Share Tech Mono', monospace;

  /* Radii */
  --k-r-sm: 4px;
  --k-r:    8px;
  --k-r-lg: 12px;
  --k-r-xl: 16px;

  /* Shadows */
  --k-shadow:    0 4px 24px rgba(0,0,0,0.5);
  --k-shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  /* ── Alpha variants for JS inline-style opacity patterns ─────────────────── */
  --k-gold-11: rgba(251,191,36,0.067);
  --k-gold-22: rgba(251,191,36,0.133);
  --k-gold-44: rgba(251,191,36,0.267);
  --k-gold-88: rgba(251,191,36,0.533);
  --k-gold-99: rgba(251,191,36,0.6);
  --k-blue-22: rgba(96,165,250,0.133);
  --k-border-22: rgba(39,39,42,0.133);
  --k-border-33: rgba(39,39,42,0.2);
  --k-border-44: rgba(39,39,42,0.267);
  --k-border-55: rgba(39,39,42,0.333);
  --k-surface-2-44: rgba(30,30,36,0.267);
  --k-surface-2-50: rgba(30,30,36,0.314);
  --k-surface-2-80: rgba(30,30,36,0.502);
  --k-text-dim-22: rgba(161,161,170,0.133);
  --k-text-dim-33: rgba(161,161,170,0.2);
  --k-text-dim-44: rgba(161,161,170,0.267);
  --k-text-dim-55: rgba(161,161,170,0.333);
  --k-text-dim-66: rgba(161,161,170,0.4);
  --k-text-dim-88: rgba(161,161,170,0.533);
  --k-text-dim-99: rgba(161,161,170,0.6);
  --k-gold-08: rgba(251,191,36,0.031);
  --k-gold-10: rgba(251,191,36,0.063);
  --k-gold-15: rgba(251,191,36,0.082);
  --k-gold-18: rgba(251,191,36,0.094);
  --k-gold-22: rgba(251,191,36,0.133);
  --k-gold-33: rgba(251,191,36,0.2);
  --k-gold-44: rgba(251,191,36,0.267);
  --k-gold-55: rgba(251,191,36,0.333);
  --k-gold-66: rgba(251,191,36,0.4);
  --k-green-08: rgba(52,211,153,0.031);
  --k-green-12: rgba(52,211,153,0.071);
  --k-green-15: rgba(52,211,153,0.082);
  --k-green-18: rgba(52,211,153,0.094);
  --k-green-22: rgba(52,211,153,0.133);
  --k-green-44: rgba(52,211,153,0.267);
  --k-green-55: rgba(52,211,153,0.333);
  --k-green-66: rgba(52,211,153,0.4);
  --k-green-88: rgba(52,211,153,0.533);
  --k-red-06: rgba(248,113,113,0.024);
  --k-red-0a: rgba(248,113,113,0.039);
  --k-red-11: rgba(248,113,113,0.067);
  --k-red-15: rgba(248,113,113,0.082);
  --k-red-18: rgba(248,113,113,0.094);
  --k-red-22: rgba(248,113,113,0.133);
  --k-red-33: rgba(248,113,113,0.2);
  --k-red-44: rgba(248,113,113,0.267);
  --k-red-55: rgba(248,113,113,0.333);
  --k-red-66: rgba(248,113,113,0.4);
  --k-red-cc: rgba(248,113,113,0.8);
}

/* ─── RESET / BASE ────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  background: var(--k-bg);
  color: var(--k-text);
  font-family: var(--k-font);
  font-size: clamp(14px, 1.1vw, 18px);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--k-cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── SCROLLBAR ───────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--k-surface); }
::-webkit-scrollbar-thumb { background: var(--k-border-med); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--k-text-muted); }

/* ═══════════════════════════════════════════════════════════════════════════
   SIDEBAR LAYOUT
   ═══════════════════════════════════════════════════════════════════════════ */

/* Explicit layout class */
.k-app-layout {
  display: flex;
  min-height: 100vh;
  background: var(--k-bg);
}
/* Auto-fallback: any div directly containing a k-sidebar becomes flex.
   Covers pages where the App wrapper div can't have k-app-layout added. */
div:has(> .k-sidebar) {
  display: flex;
  min-height: 100vh;
}
/* Auto-flex children: siblings of sidebar get flex:1 automatically */
div:has(> .k-sidebar) > *:not(.k-sidebar):not(.k-sidebar-overlay):not(.k-mobile-bar) {
  flex: 1;
  min-width: 0;
}


/* ─── UTILITY CLASSES ─────────────────────────────────────────────────────── */
/* Single source of truth for common interactive element styles.               */
/* Use these in JSX: className="k-btn" instead of inline style objects.        */

.k-btn {
  background: var(--k-gold);
  color: #080a0f;
  border: none;
  border-radius: var(--k-r-sm);
  padding: 8px 16px;
  font-family: var(--k-font-sans);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  white-space: nowrap;
  line-height: 1;
  transition: opacity 0.12s;
}
.k-btn:hover { opacity: 0.85; }
.k-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.k-btn--outline {
  background: transparent;
  color: var(--k-gold);
  border: 1px solid var(--k-gold);
}
.k-btn--outline:hover { background: var(--k-gold-18); }

.k-btn--danger {
  background: transparent;
  color: var(--k-red);
  border: 1px solid var(--k-red);
}
.k-btn--danger:hover { background: var(--k-red-18); }

.k-btn--sm { padding: 4px 10px; font-size: 0.875rem; }
.k-btn--lg { padding: 10px 20px; font-size: 1.0625rem; }

.k-input {
  background: var(--k-surface-2);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-sm);
  padding: 8px 10px;
  color: var(--k-text);
  font-family: var(--k-font-sans);
  font-size: 0.9375rem;
  width: 100%;
  box-sizing: border-box;
  outline: none;
  transition: border-color 0.15s;
}
.k-input:focus { border-color: var(--k-gold); }
.k-input::placeholder { color: var(--k-text-dim); }

.k-select { appearance: none; cursor: pointer; }

.k-label {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--k-text-dim);
  margin-bottom: 5px;
  display: block;
  font-family: var(--k-mono);
}

.k-card {
  background: var(--k-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r);
  padding: 16px;
}

.k-card--2 {
  background: var(--k-surface-2);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r);
  padding: 16px;
}

/* ─── SIDEBAR ─────────────────────────────────────────────────────────────── */
.k-sidebar {
  width: var(--k-sidebar-w);
  flex-shrink: 0;
  background: var(--k-sidebar-bg);
  border-right: 1px solid var(--k-border-faint);
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  z-index: 50;
  scrollbar-width: none;
}
.k-sidebar::-webkit-scrollbar { display: none; }

/* Brand */
.k-brand {
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--k-border-faint);
  flex-shrink: 0;
}
.k-brand-eyebrow {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.k-brand-num {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--k-text);
  letter-spacing: 0.03em;
  line-height: 1;
}
.k-brand-tag {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-cyan);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-top: 3px;
}

/* Nav */
.k-nav {
  flex: 1;
  padding: 10px 8px;
  overflow-y: auto;
  scrollbar-width: none;
}
.k-nav::-webkit-scrollbar { display: none; }

.k-nav-section-label {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-xmuted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 12px 8px 4px;
}

.k-nav-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  min-height: 44px;
  border-radius: var(--k-r);
  cursor: pointer;
  color: var(--k-text-dim);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: background 0.12s, color 0.12s;
  text-decoration: none;
  position: relative;
  margin-bottom: 1px;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.k-nav-item:hover {
  background: var(--k-cyan-hover);
  color: var(--k-text);
  text-decoration: none;
}
.k-nav-item.k-nav-active {
  background: var(--k-cyan-dim);
  color: var(--k-cyan);
  font-weight: 600;
}
.k-nav-item.k-nav-active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--k-cyan);
  border-radius: 0 2px 2px 0;
}
.k-nav-item-icon {
  font-size: 1rem;
  width: 18px;
  text-align: center;
  flex-shrink: 0;
}
.k-nav-item-label { flex: 1; }
.k-nav-chevron {
  font-size: 0.8125rem;
  color: var(--k-text-muted);
  transition: transform 0.15s;
  flex-shrink: 0;
}
.k-nav-chevron.open { transform: rotate(90deg); }

/* Sub-tabs */
.k-nav-subtabs {
  margin: 2px 0 4px 28px;
  border-left: 1px solid var(--k-border-faint);
  padding-left: 8px;
}
.k-nav-subtab {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  min-height: 36px;
  border-radius: var(--k-r-sm);
  cursor: pointer;
  color: var(--k-text-muted);
  font-size: 0.875rem;
  transition: color 0.1s, background 0.1s;
  text-decoration: none;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
}
.k-nav-subtab:hover { color: var(--k-text-dim); background: var(--k-cyan-hover); }
.k-nav-subtab.k-subtab-active { color: var(--k-cyan); }
.k-nav-subtab-dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--k-border-med);
  flex-shrink: 0;
}
.k-nav-subtab.k-subtab-active .k-nav-subtab-dot { background: var(--k-cyan); }

/* Sidebar user footer */
.k-sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid var(--k-border-faint);
  flex-shrink: 0;
}
.k-sidebar-user {
  display: flex;
  align-items: center;
  gap: 8px;
}
.k-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--k-surface-3);
  border: 1px solid var(--k-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.8125rem; font-weight: 700;
  color: var(--k-text-dim);
  flex-shrink: 0;
  text-transform: uppercase;
}
.k-sidebar-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--k-text);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}
.k-sidebar-role {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-muted);
  margin-top: 1px;
}

/* Preview badge */
.k-preview-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-amber);
  background: var(--k-amber-dim);
  border: 1px solid var(--k-amber-border);
  border-radius: var(--k-r-sm);
  padding: 2px 7px;
  letter-spacing: 0.08em;
}

/* ─── MAIN CONTENT AREA ───────────────────────────────────────────────────── */
.k-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

/* ─── WIP BANNER ──────────────────────────────────────────────────────────── */
.k-wip-banner {
  background: linear-gradient(90deg, rgba(251,191,36,0.08), rgba(251,191,36,0.04));
  border-bottom: 1px solid rgba(251,191,36,0.18);
  padding: 8px 20px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--k-amber);
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

/* ─── MOBILE BAR (hidden desktop) ────────────────────────────────────────── */
.k-mobile-bar { display: none; }
.k-sidebar-overlay { display: none; }

/* ═══════════════════════════════════════════════════════════════════════════
   COMMON COMPONENTS
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── STAT CARDS ──────────────────────────────────────────────────────────── */
.k-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.k-stat-card {
  background: var(--k-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-lg);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: border-color 0.15s;
}
.k-stat-card:hover { border-color: var(--k-border-med); }
.k-stat-label {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.k-stat-value {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--k-text);
  line-height: 1.1;
}
.k-stat-sub { font-size: 0.8125rem; color: var(--k-text-muted); }
.k-stat-card.cyan  { border-color: var(--k-cyan-border);  }
.k-stat-card.cyan  .k-stat-value { color: var(--k-cyan);  }
.k-stat-card.green { border-color: var(--k-green-border); }
.k-stat-card.green .k-stat-value { color: var(--k-green); }
.k-stat-card.red   { border-color: var(--k-red-border);   }
.k-stat-card.red   .k-stat-value { color: var(--k-red);   }
.k-stat-card.amber { border-color: var(--k-amber-border); }
.k-stat-card.amber .k-stat-value { color: var(--k-amber); }

/* ─── SECTION HEADER ──────────────────────────────────────────────────────── */
.k-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  gap: 12px;
}
.k-section-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--k-text);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-family: var(--k-mono);
}
.k-section-count {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-muted);
  background: var(--k-surface-3);
  border: 1px solid var(--k-border);
  border-radius: 20px;
  padding: 1px 8px;
  margin-left: 8px;
}

/* ─── CARD ────────────────────────────────────────────────────────────────── */
.k-card {
  background: var(--k-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-lg);
  padding: 20px;
  margin-bottom: 16px;
}
.k-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--k-border-faint);
}

/* ─── USER / MEMBER ROW ───────────────────────────────────────────────────── */
.k-avatar-circle {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--k-surface-3);
  border: 1px solid var(--k-border);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9375rem; font-weight: 700;
  color: var(--k-text-dim);
  flex-shrink: 0;
  text-transform: uppercase;
  overflow: hidden;
}
.k-avatar-circle img { width: 100%; height: 100%; object-fit: cover; }

/* ─── BADGES ──────────────────────────────────────────────────────────────── */
.k-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--k-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--k-r-sm);
  border: 1px solid;
  white-space: nowrap;
  line-height: 1.6;
}
.k-badge-cyan   { color: var(--k-cyan);   background: var(--k-cyan-dim);   border-color: var(--k-cyan-border); }
.k-badge-green  { color: var(--k-green);  background: var(--k-green-dim);  border-color: var(--k-green-border); }
.k-badge-red    { color: var(--k-red);    background: var(--k-red-dim);    border-color: var(--k-red-border); }
.k-badge-amber  { color: var(--k-amber);  background: var(--k-amber-dim);  border-color: var(--k-amber-border); }
.k-badge-blue   { color: var(--k-blue);   background: var(--k-blue-dim);   border-color: var(--k-blue-border); }
.k-badge-purple { color: var(--k-purple); background: var(--k-purple-dim); border-color: rgba(167,139,250,0.35); }
.k-badge-muted  { color: var(--k-text-muted); background: var(--k-surface-3); border-color: var(--k-border); }
.k-badge-admin  { color: var(--k-red); background: var(--k-red-dim); border-color: var(--k-red-border); }

/* ─── BUTTONS ─────────────────────────────────────────────────────────────── */
.k-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--k-r);
  font-family: var(--k-font);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: opacity 0.12s, background 0.12s, border-color 0.12s;
  white-space: nowrap;
  line-height: 1;
  text-decoration: none;
}
.k-btn:disabled { opacity: 0.45; cursor: default; }
.k-btn-primary  { background: var(--k-cyan); color: #09090B; border-color: var(--k-cyan); }
.k-btn-primary:hover:not(:disabled) { opacity: 0.88; }
.k-btn-secondary { background: transparent; color: var(--k-cyan); border-color: var(--k-cyan-border); }
.k-btn-secondary:hover:not(:disabled) { background: var(--k-cyan-dim); border-color: var(--k-cyan); }
.k-btn-danger { background: transparent; color: var(--k-red); border-color: var(--k-red-border); }
.k-btn-danger:hover:not(:disabled) { background: var(--k-red-dim); border-color: var(--k-red); }
.k-btn-ghost { background: transparent; color: var(--k-text-dim); border-color: var(--k-border); }
.k-btn-ghost:hover:not(:disabled) { background: var(--k-surface-3); color: var(--k-text); }
.k-btn-sm { padding: 5px 11px; font-size: 0.8125rem; }
.k-btn-lg { padding: 12px 24px; font-size: 16px; }
.k-btn-icon { padding: 7px; width: 34px; height: 34px; }

/* ─── FORM ELEMENTS ───────────────────────────────────────────────────────── */
.k-input, .k-select, .k-textarea {
  width: 100%;
  background: var(--k-surface-2);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r);
  padding: 9px 13px;
  color: var(--k-text);
  font-family: var(--k-font);
  font-size: 0.9375rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  box-sizing: border-box;
}
.k-input:focus, .k-select:focus, .k-textarea:focus {
  border-color: var(--k-cyan);
  box-shadow: 0 0 0 2px var(--k-cyan-dim);
}
.k-input::placeholder { color: var(--k-text-xmuted); }
.k-label {
  display: block;
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.k-field { margin-bottom: 16px; }

/* ─── TABLE ───────────────────────────────────────────────────────────────── */
.k-table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
.k-table th {
  font-family: var(--k-mono);
  font-size: 0.75rem;
  color: var(--k-text-muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--k-border);
  background: var(--k-surface);
  font-weight: 500;
}
.k-table td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--k-border-faint);
  color: var(--k-text);
  vertical-align: middle;
}
.k-table tr:last-child td { border-bottom: none; }
.k-table tr:hover td { background: var(--k-surface-2); }

/* ─── ALERTS ──────────────────────────────────────────────────────────────── */
.k-alert { padding: 12px 16px; border-radius: var(--k-r); font-size: 0.9375rem; border: 1px solid; margin-bottom: 12px; }
.k-alert-error   { background: var(--k-red-dim);   border-color: var(--k-red-border);   color: var(--k-red); }
.k-alert-success { background: var(--k-green-dim); border-color: var(--k-green-border); color: var(--k-green); }
.k-alert-warn    { background: var(--k-amber-dim); border-color: var(--k-amber-border); color: var(--k-amber); }
.k-alert-info    { background: var(--k-blue-dim);  border-color: var(--k-blue-border);  color: var(--k-blue); }

/* ─── DIVIDER ─────────────────────────────────────────────────────────────── */
.k-divider { border: none; border-top: 1px solid var(--k-border-faint); margin: 16px 0; }

/* ─── DOTS / DROPDOWN MENU ────────────────────────────────────────────────── */
.k-dots-btn {
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--k-r-sm);
  color: var(--k-text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 3px 7px;
  line-height: 1;
  transition: background 0.1s, color 0.1s;
}
.k-dots-btn:hover { background: var(--k-surface-3); border-color: var(--k-border); color: var(--k-text); }

.k-dropdown {
  position: absolute; right: 0; top: calc(100% + 4px);
  background: var(--k-surface);
  border: 1px solid var(--k-border-med);
  border-radius: var(--k-r);
  box-shadow: var(--k-shadow);
  z-index: 200;
  min-width: 160px;
  padding: 4px;
  animation: k-fade-in 0.1s ease;
}
.k-dropdown-item {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  border-radius: var(--k-r-sm);
  font-size: 0.875rem;
  color: var(--k-text-dim);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
  background: transparent; border: none; width: 100%; text-align: left;
}
.k-dropdown-item:hover { background: var(--k-surface-3); color: var(--k-text); }
.k-dropdown-item.danger { color: var(--k-red); }
.k-dropdown-item.danger:hover { background: var(--k-red-dim); }

@keyframes k-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════════════════════════════════════
   ADMIN / WRAP LAYOUT
   ═══════════════════════════════════════════════════════════════════════════ */
.k-page-header { padding: 24px 28px 0; margin-bottom: 20px; }
.k-page-title  { font-size: 1.5rem; font-weight: 700; color: var(--k-text); }
.k-page-sub    { font-family: var(--k-mono); font-size: 0.8125rem; color: var(--k-text-muted); margin-top: 3px; }

.k-section {
  background: var(--k-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-xl);
  padding: 20px 24px;
  margin-bottom: 20px;
}
.k-section-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--k-border-faint);
}
.k-section-icon { font-size: 1.125rem; }

.k-member-list { display: flex; flex-direction: column; gap: 2px; }
.k-member-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--k-r);
  transition: background 0.1s;
}
.k-member-row:hover { background: var(--k-surface-2); }

.k-pending-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px;
  border-radius: var(--k-r);
  background: var(--k-surface-2);
  border: 1px solid var(--k-border);
  margin-bottom: 8px;
  transition: border-color 0.1s;
}
.k-pending-row:hover { border-color: var(--k-border-med); }
.k-pending-info { flex: 1; min-width: 0; }
.k-pending-name { font-weight: 600; font-size: 0.9375rem; color: var(--k-text); }
.k-pending-meta { font-family: var(--k-mono); font-size: 0.75rem; color: var(--k-text-muted); margin-top: 3px; }
.k-pending-actions { display: flex; gap: 6px; align-items: center; flex-shrink: 0; }

.k-wrap { max-width: 900px; margin: 0 auto; padding: 24px 24px 60px; }

.k-form-row { display: flex; gap: 8px; align-items: flex-end; flex-wrap: wrap; }
.k-form-row .k-field { flex: 1; min-width: 180px; margin-bottom: 0; }

/* ═══════════════════════════════════════════════════════════════════════════
   AUTH PAGES  (login · register · reset password)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Auth pages use their own inline CSS but share k483.css CSS variables.
   These helpers cover any shared auth-page elements. */
.k-auth-wrap  { width: 100%; max-width: 400px; margin: 0 auto; }
.k-auth-card  { background: var(--k-surface); border: 1px solid var(--k-border); border-radius: var(--k-r-lg); padding: 28px 24px; }
.k-auth-footer { margin-top: 20px; font-family: var(--k-mono); font-size: 0.75rem; color: var(--k-text-muted); text-align: center; letter-spacing: 0.08em; line-height: 2; }

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE — MOBILE  (≤ 768 px)
   ═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* Sidebar slides in as a fixed overlay */
  .k-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100; height: 100%;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
    width: 260px;
  }
  .k-sidebar.k-sidebar--open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.6);
  }

  /* Tap-to-close overlay */
  .k-sidebar-overlay {
    display: block;
    position: fixed; inset: 0;
    z-index: 99;
    background: rgba(0,0,0,0.55);
    animation: k-fade-in 0.2s ease;
  }

  /* Mobile top bar — fixed at top */
  .k-mobile-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    height: var(--k-mobile-bar-h);
    padding: 0 16px;
    background: var(--k-sidebar-bg);
    border-bottom: 1px solid var(--k-border-faint);
  }
  .k-mobile-ham {
    background: transparent;
    border: 1px solid var(--k-border);
    border-radius: var(--k-r-sm);
    color: var(--k-text-dim);
    font-size: 1.125rem;
    padding: 4px 9px;
    cursor: pointer;
    line-height: 1;
    transition: background 0.1s, color 0.1s;
    -webkit-tap-highlight-color: transparent;
    min-width: 40px; min-height: 40px;
    display: flex; align-items: center; justify-content: center;
  }
  .k-mobile-ham:active { background: var(--k-surface-3); color: var(--k-text); }
  .k-mobile-page-label {
    font-size: 0.9375rem; font-weight: 600; color: var(--k-text); flex: 1;
  }

  /* Push all direct page content below the fixed mobile bar.
     Covers both .k-main and Preact pages that use a plain wrapper div. */
  .k-main,
  div:has(> .k-sidebar) > div:not(.k-sidebar):not(.k-sidebar-overlay):not(.k-mobile-bar) {
    padding-top: var(--k-mobile-bar-h) !important;
  }

  /* Layout adjustments */
  .k-stat-grid { grid-template-columns: repeat(2, 1fr); }
  .k-wrap { padding: 16px 16px 60px; }
  .k-form-row { flex-direction: column; }
  .k-form-row .k-field { min-width: 0; }
  .k-section { padding: 16px; }
  .k-table .k-hide-mobile { display: none; }
}

/* ─── SMALL PHONES ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .k-stat-grid { grid-template-columns: 1fr 1fr; }
  .k-stat-value { font-size: 1.25rem; }
}

/* ─── REDUCED MOTION ──────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .k-sidebar { transition: none; }
  .k-sidebar-overlay { animation: none; }
  .k-nav-chevron { transition: none; }
}