/* ═══════════════════════════════════════════════
   KinetiLink · JuneVerse
   style.css — Mobile-first, high-contrast, accessible
═══════════════════════════════════════════════ */

/* ── CSS Variables ─────────────────────────────── */
:root {
  --bg:          #0a0e1a;
  --bg2:         #0f1422;
  --bg3:         #151b2e;
  --card:        #1a2038;
  --border:      #232d4a;
  --accent:      #00e5cc;     /* neon teal */
  --accent2:     #00b8a9;
  --accent-dim:  rgba(0,229,204,0.15);
  --danger:      #ff4757;
  --danger-dim:  rgba(255,71,87,0.18);
  --warn:        #ffa502;
  --warn-dim:    rgba(255,165,2,0.18);
  --ok:          #2ed573;
  --ok-dim:      rgba(46,213,115,0.15);
  --text:        #e8eaf6;
  --text2:       #8892b0;
  --text3:       #4a5568;
  --font-display: 'Syne', sans-serif;
  --font-body:    'DM Sans', sans-serif;
  --radius:       12px;
  --radius-lg:    18px;
  --shadow:       0 4px 24px rgba(0,0,0,0.45);
  --transition:   0.22s ease;
}

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

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── Utility ───────────────────────────────────── */
.hidden { display: none !important; }
.accent { color: var(--accent); }
.dim    { color: var(--text2); }

/* ── Scrollbar ─────────────────────────────────── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

/* ════════════════════════════════════════════════
   SPLASH SCREEN
════════════════════════════════════════════════ */
#splash {
  position: fixed;
  inset: 0;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.splash-inner {
  max-width: 480px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

.splash-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.logo-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--accent-dim), var(--bg3));
  border: 1.5px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--accent);
  margin-bottom: 12px;
  box-shadow: 0 0 32px rgba(0,229,204,0.2);
}

.splash-logo h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text);
}

.byline {
  font-size: 0.8rem;
  font-weight: 300;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text2);
}

.splash-tagline {
  font-size: 0.95rem;
  color: var(--text2);
  text-align: center;
  max-width: 320px;
  line-height: 1.6;
}

.splash-modes {
  display: flex;
  flex-direction: column;
  gap: 14px;
  width: 100%;
}

.mode-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  width: 100%;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  border: 1.5px solid transparent;
  font-family: var(--font-body);
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: left;
  min-height: 80px;
}

.mode-btn i {
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.mode-label {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
}

.mode-sub {
  font-size: 0.78rem;
  opacity: 0.7;
}

.mode-btn.primary {
  background: linear-gradient(135deg, rgba(0,229,204,0.12), rgba(0,229,204,0.04));
  border-color: var(--accent);
  color: var(--text);
}

.mode-btn.primary i { color: var(--accent); }

.mode-btn.secondary {
  background: var(--card);
  border-color: var(--border);
  color: var(--text);
}

.mode-btn.secondary i { color: var(--text2); }

.mode-btn:hover, .mode-btn:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  outline: none;
}

.mode-btn.primary:hover  { border-color: var(--accent); box-shadow: 0 8px 32px rgba(0,229,204,0.2); }
.mode-btn.secondary:hover { border-color: var(--accent); }

.mode-btn:active { transform: translateY(0); }

/* ════════════════════════════════════════════════
   APP PANELS (shared)
════════════════════════════════════════════════ */
.app-panel {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  overflow: hidden;
}

/* ── Brand ─────────────────────────────────────── */
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-icon {
  color: var(--accent);
  font-size: 1.1rem;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

/* ── Status pill ───────────────────────────────── */
.status-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text3);
  transition: background 0.4s;
}

.status-dot.active { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.status-dot.warn   { background: var(--warn); box-shadow: 0 0 8px var(--warn); }
.status-dot.danger { background: var(--danger); box-shadow: 0 0 8px var(--danger); animation: pulse-danger 0.8s infinite alternate; }

@keyframes pulse-danger {
  from { box-shadow: 0 0 4px var(--danger); }
  to   { box-shadow: 0 0 16px var(--danger); }
}

/* ── Icon buttons ──────────────────────────────── */
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text2);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.95rem;
  transition: color var(--transition), border-color var(--transition);
}

.icon-btn:hover, .icon-btn:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}

.icon-btn.small { width: 28px; height: 28px; font-size: 0.75rem; }

/* ── Control buttons ───────────────────────────── */
.ctrl-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  min-width: 72px;
  min-height: 72px;
  padding: 12px 10px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  flex: 1;
}

.ctrl-btn i { font-size: 1.4rem; }
.ctrl-btn:hover, .ctrl-btn:focus-visible { transform: translateY(-2px); outline: none; }
.ctrl-btn:active { transform: scale(0.97); }

.start-btn {
  background: linear-gradient(135deg, rgba(0,229,204,0.15), rgba(0,229,204,0.05));
  border-color: var(--accent);
  color: var(--accent);
}
.start-btn:hover { box-shadow: 0 6px 20px rgba(0,229,204,0.25); }

.pause-btn {
  background: var(--card);
  border-color: var(--warn);
  color: var(--warn);
}
.pause-btn:hover { box-shadow: 0 6px 20px rgba(255,165,2,0.2); }

.audio-btn {
  background: var(--card);
  border-color: var(--border);
  color: var(--text2);
}
.audio-btn[aria-pressed="true"] { border-color: var(--accent2); color: var(--accent2); }
.audio-btn:hover { box-shadow: 0 6px 16px rgba(0,0,0,0.3); }

.stop-btn {
  background: linear-gradient(135deg, var(--danger-dim), transparent);
  border-color: var(--danger);
  color: var(--danger);
}
.stop-btn:hover { box-shadow: 0 6px 20px rgba(255,71,87,0.25); }

/* ════════════════════════════════════════════════
   CAMERA / CANVAS
════════════════════════════════════════════════ */
.camera-wrap {
  position: relative;
  width: 100%;
  flex: 1;
  background: #000;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.camera-wrap video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.camera-wrap canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.camera-msg {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text2);
  background: rgba(10,14,26,0.85);
  z-index: 10;
  text-align: center;
  padding: 24px;
}

.camera-msg i { color: var(--text3); }

.camera-sub { font-size: 0.8rem; color: var(--text3); }

/* ── Mode badge (overlay on camera) ───────────── */
.mode-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(10,14,26,0.72);
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 5px 10px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent);
  z-index: 5;
  backdrop-filter: blur(4px);
}

.mode-badge.warn-mode  { border-color: var(--warn); color: var(--warn); }
.mode-badge.danger-mode { border-color: var(--danger); color: var(--danger); }

/* ── Alert overlay ─────────────────────────────── */
.alert-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 20px;
  font-size: 1rem;
  font-weight: 500;
  z-index: 6;
  transition: background 0.3s;
}

.alert-overlay.level-warn {
  background: rgba(255,165,2,0.82);
  color: #0a0e1a;
}

.alert-overlay.level-danger {
  background: rgba(255,71,87,0.88);
  color: #fff;
}

.alert-overlay.level-ok {
  background: rgba(46,213,115,0.7);
  color: #0a0e1a;
}

/* ════════════════════════════════════════════════
   NAV MODE LAYOUT
════════════════════════════════════════════════ */
#nav-mode {
  display: flex;
  flex-direction: column;
}

.nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  min-height: 56px;
  flex-shrink: 0;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  background: var(--bg2);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.nav-statusbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 16px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  font-size: 0.68rem;
  color: var(--text3);
  flex-shrink: 0;
  font-family: 'DM Sans', monospace;
}

/* ════════════════════════════════════════════════
   DEMO MODE LAYOUT
════════════════════════════════════════════════ */
#demo-mode {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.demo-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.demo-badge {
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 2px 7px;
  vertical-align: middle;
}

/* Two-panel body */
.demo-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  gap: 0;
}

/* Left camera panel */
.demo-camera-panel {
  display: flex;
  flex-direction: column;
  width: 100%;
  flex-shrink: 0;
  background: var(--bg2);
  border-right: 1px solid var(--border);
}

/* Right panel */
.demo-right-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow-y: auto;
  background: var(--bg);
  width: 0;          /* hidden on mobile, shown on desktop */
  overflow: hidden;
  transition: width 0.3s;
}

.panel-title {
  padding: 10px 16px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text2);
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.demo-camera-wrap {
  flex: 1;
  min-height: 0;
}

.demo-cam-controls {
  display: flex;
  gap: 8px;
  padding: 10px 12px;
  background: var(--bg3);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.demo-cam-controls .ctrl-btn {
  min-height: 54px;
  font-size: 0.65rem;
}

/* ── Dashboard cards ───────────────────────────── */
.dash-card {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  flex-shrink: 0;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text2);
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}

.card-header i { color: var(--accent); font-size: 0.85rem; }

.card-body { padding: 12px 16px; }

/* AI stats */
.ai-stats { display: flex; flex-direction: column; gap: 8px; }

.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}

.stat-label { color: var(--text2); }
.stat-val { font-weight: 500; font-family: 'DM Sans', monospace; }

/* Ledger */
.ledger-body { padding: 10px 16px; display: flex; flex-direction: column; gap: 8px; }

.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
}

.ledger-label {
  color: var(--text2);
  display: flex;
  align-items: center;
  gap: 6px;
}

.ledger-label i { width: 14px; }

.ledger-val {
  font-family: 'DM Sans', monospace;
  font-size: 0.72rem;
  font-weight: 500;
}

.ledger-feed {
  max-height: 120px;
  overflow-y: auto;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg3);
}

.feed-placeholder {
  font-size: 0.72rem;
  color: var(--text3);
  font-style: italic;
}

.feed-item {
  font-size: 0.68rem;
  color: var(--text2);
  padding: 3px 0;
  border-bottom: 1px solid rgba(35,45,74,0.5);
  font-family: 'DM Sans', monospace;
  line-height: 1.4;
}

.feed-item .feed-ok   { color: var(--ok); }
.feed-item .feed-warn { color: var(--warn); }

/* ── System log ────────────────────────────────── */
.log-card {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.log-body {
  flex: 1;
  overflow-y: auto;
  padding: 10px 16px;
  background: var(--bg3);
  font-family: 'DM Sans', monospace;
  font-size: 0.68rem;
  line-height: 1.7;
}

.log-line { color: var(--text2); }
.log-line.info    { color: var(--accent); }
.log-line.warn    { color: var(--warn); }
.log-line.danger  { color: var(--danger); }
.log-line.ok      { color: var(--ok); }

/* ════════════════════════════════════════════════
   RESPONSIVE — DESKTOP
════════════════════════════════════════════════ */
@media (min-width: 768px) {

  .splash-modes { flex-direction: row; }

  .demo-camera-panel {
    width: 55%;
    min-width: 340px;
    max-width: 600px;
  }

  .demo-right-panel {
    width: 45%;
    overflow-y: auto;
    overflow: auto;
  }

  /* Right panel always visible on desktop */
  .demo-right-panel {
    display: flex;
    flex-direction: column;
  }
}

/* ════════════════════════════════════════════════
   ACCESSIBILITY — Focus styles
════════════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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