/* ═══════════════════════════════════════════════
   CrateSense — Brand Stylesheet
   Single source of truth for all frontend pages.
   Extracted from docs/cratesense_styleguide.html
═══════════════════════════════════════════════ */

/* ── Google Fonts ────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;800;900&family=Barlow:wght@300;400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Tokens ──────────────────────────────────── */
:root {
  --void:     #0A0A0A;
  --deep:     #0D0D1A;
  --slate:    #1A1A2E;
  --mid:      #2E2E4A;
  --border:   #1E1E32;
  --muted:    #7A7A9A;
  --haze:     #5A5A7A;
  --ice:      #D0D0E0;
  --white:    #FAFAFA;
  --electric: #00E5FF;
  --electric-dim: #0088AA;
  --ember:    #FF4D00;
  --signal:   #00C98D;
  --warn:     #FFB800;

  --font-display: 'Barlow Condensed', sans-serif;
  --font-body:    'Barlow', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --radius:   4px;
  --gutter:   24px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--void);
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--white);
  line-height: 1.2;
}

/* ── Topnav ──────────────────────────────────── */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: var(--deep);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.topnav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.topnav-brand .brand-name {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--white);
}

.topnav-brand .brand-name em {
  color: var(--electric);
  font-style: normal;
}

.topnav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.topnav-links a {
  color: var(--haze);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-decoration: none;
  transition: color 0.15s;
}

.topnav-links a:hover,
.topnav-links a.active {
  color: var(--electric);
}

/* ── Sidebar ─────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0;
  width: 220px;
  height: 100vh;
  background: var(--deep);
  border-right: 1px solid var(--border);
  padding: 32px 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-brand {
  padding: 0 24px 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}

.sidebar-brand .logo-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.sidebar-label {
  font-size: 9px;
  letter-spacing: 2.5px;
  color: var(--muted);
  font-weight: 600;
  padding: 12px 24px 6px;
  text-transform: uppercase;
}

.sidebar nav a {
  display: block;
  padding: 7px 24px;
  color: var(--haze);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.3px;
  transition: color 0.15s, background 0.15s;
  border-left: 2px solid transparent;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  color: var(--electric);
  background: rgba(0, 229, 255, 0.04);
  border-left-color: var(--electric);
}

/* ── Dot Grid (logo mark) ────────────────────── */
.dot-grid {
  display: grid;
  grid-template-columns: repeat(3, 8px);
  gap: 4px;
  position: relative;
}

.dot-grid span {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mid);
  display: block;
}

.dot-grid span.active {
  background: var(--electric);
  box-shadow: 0 0 6px var(--electric);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: 3px;
  color: var(--white);
}

.brand-name em { color: var(--electric); font-style: normal; }

/* ── Buttons ─────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 1.5px;
  font-size: 13px;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  padding: 11px 24px;
  border-radius: var(--radius);
  transition: all 0.15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--electric);
  color: var(--void);
}

.btn-primary:hover {
  background: #33EEFF;
  box-shadow: 0 0 20px rgba(0,229,255,0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--electric);
  border: 1px solid var(--electric);
}

.btn-secondary:hover {
  background: rgba(0,229,255,0.06);
}

.btn-ghost {
  background: transparent;
  color: var(--ice);
  border: 1px solid var(--mid);
}

.btn-ghost:hover { border-color: var(--haze); color: var(--white); }

.btn-ember {
  background: var(--ember);
  color: var(--white);
}

.btn-ember:hover { background: #FF6622; box-shadow: 0 0 20px rgba(255,77,0,0.25); }

.btn-sm { padding: 7px 14px; font-size: 11px; }

.btns-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }

/* ── Action Chips ────────────────────────────── */
.action-chips { display: flex; gap: 8px; flex-wrap: wrap; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  font-family: var(--font-display);
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
}

.chip-save { background: rgba(0,201,141,0.12); color: var(--signal); border-color: rgba(0,201,141,0.3); }
.chip-save:hover { background: rgba(0,201,141,0.2); }
.chip-skip { background: rgba(255,77,0,0.1); color: var(--ember); border-color: rgba(255,77,0,0.2); }
.chip-skip:hover { background: rgba(255,77,0,0.18); }
.chip-later { background: rgba(255,184,0,0.1); color: var(--warn); border-color: rgba(255,184,0,0.2); }
.chip-later:hover { background: rgba(255,184,0,0.18); }

/* ── Tags / Badges ───────────────────────────── */
.tags-row { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 2px;
  font-family: var(--font-display);
}

.tag-electric { background: rgba(0,229,255,0.12); color: var(--electric); border: 1px solid rgba(0,229,255,0.2); }
.tag-ember { background: rgba(255,77,0,0.12); color: var(--ember); border: 1px solid rgba(255,77,0,0.2); }
.tag-signal { background: rgba(0,201,141,0.12); color: var(--signal); border: 1px solid rgba(0,201,141,0.2); }
.tag-muted { background: var(--mid); color: var(--muted); border: 1px solid var(--border); }

/* ── Track Card ──────────────────────────────── */
.track-card {
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color 0.15s;
  cursor: pointer;
  margin-bottom: 6px;
}

.track-card:hover { border-color: var(--mid); }
.track-card.saved { border-color: rgba(0,201,141,0.3); background: rgba(0,201,141,0.04); }

.track-rank {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  width: 20px;
  text-align: center;
  flex-shrink: 0;
}

.track-thumb {
  width: 38px; height: 38px;
  background: var(--mid);
  border-radius: 2px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--haze);
}

.track-info { flex: 1; min-width: 0; }

.track-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-artist {
  font-size: 12px;
  color: var(--muted);
  margin-top: 1px;
}

.track-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-shrink: 0;
}

.bpm-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--electric);
  background: rgba(0,229,255,0.08);
  padding: 2px 7px;
  border-radius: 2px;
}

.key-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--haze);
  background: var(--mid);
  padding: 2px 7px;
  border-radius: 2px;
}

/* ── Mini Waveform ───────────────────────────── */
.mini-wave {
  display: flex;
  align-items: center;
  gap: 1.5px;
  height: 24px;
  flex-shrink: 0;
}

.mini-wave .bar {
  width: 2px;
  background: var(--haze);
  border-radius: 1px;
  opacity: 0.6;
}

.track-card.saved .mini-wave .bar { background: var(--signal); opacity: 0.8; }

/* ── Inbox Panel ─────────────────────────────── */
.inbox-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.inbox-title {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--white);
}

.inbox-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--electric);
  background: rgba(0,229,255,0.1);
  padding: 2px 8px;
  border-radius: 2px;
}

/* ── Form Elements ───────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 7px;
  font-family: var(--font-display);
}

.form-input {
  width: 100%;
  background: var(--deep);
  border: 1px solid var(--mid);
  border-radius: var(--radius);
  padding: 10px 14px;
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-input:focus {
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(0,229,255,0.1);
}

.form-input::placeholder { color: var(--haze); }

/* ── Status Indicators ───────────────────────── */
.status-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
}

.status-dot::before {
  content: '';
  width: 7px; height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-online::before { background: var(--signal); box-shadow: 0 0 6px var(--signal); }
.status-syncing::before { background: var(--electric); box-shadow: 0 0 6px var(--electric); animation: pulse 1.2s ease-in-out infinite; }
.status-warn::before { background: var(--warn); }
.status-error::before { background: var(--ember); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── Waveform Bars ───────────────────────────── */
.waveform-demo {
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 2px;
  height: 80px;
}

.wave-bar {
  flex: 1;
  background: var(--mid);
  border-radius: 1px;
  transition: background 0.15s;
}

.wave-bar.played { background: var(--electric); opacity: 0.6; }
.wave-bar.cursor { background: var(--electric); box-shadow: 0 0 4px var(--electric); }

/* ── Utility Classes ─────────────────────────── */
.text-electric { color: var(--electric); }
.text-ember { color: var(--ember); }
.text-signal { color: var(--signal); }
.text-warn { color: var(--warn); }
.text-muted { color: var(--muted); }
.text-ice { color: var(--ice); }
.text-white { color: var(--white); }
.text-haze { color: var(--haze); }

.bg-void { background: var(--void); }
.bg-deep { background: var(--deep); }
.bg-slate { background: var(--slate); }

.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-mono { font-family: var(--font-mono); }

.uppercase { text-transform: uppercase; }
.tracking-wide { letter-spacing: 2px; }

/* ── Cards / Panels ──────────────────────────── */
.card {
  background: var(--deep);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--gutter);
}

.card-header {
  padding-bottom: 16px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

/* ── Tables ───────────────────────────────────── */
table {
  width: 100%;
  border-collapse: collapse;
}

th {
  text-align: left;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--muted);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  color: var(--ice);
}

tr:hover td { background: rgba(0,229,255,0.02); }

/* ── Responsive ──────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; }
  .topnav { padding: 0 16px; }
}

@media (max-width: 480px) {
  .btn { padding: 9px 16px; font-size: 12px; }
  .track-card { padding: 10px 12px; gap: 10px; }
  .track-thumb { width: 32px; height: 32px; }
}