/* ============================================================
   HARMONIC // DJ MIX GENERATOR
   "Underground techno meets engineering precision"
   ============================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root {
  /* Surfaces */
  --bg:            #0a0a0a;
  --surface:       #121212;
  --surface-2:     #181818;
  --surface-3:     #1f1f1f;
  --border:        #232323;
  --border-bright: #353535;
  --border-soft:   #1a1a1a;

  /* Text */
  --text:          #f3f3f0;
  --text-2:        #c8c8c2;
  --text-dim:      #807f78;
  --text-faint:    #4a4a45;

  /* Brand accent */
  --accent:        #d4ff3a;
  --accent-2:      #c2eb35;
  --accent-glow:   rgba(212, 255, 58, 0.4);
  --accent-faint:  rgba(212, 255, 58, 0.07);

  /* Camelot rings */
  --a-ring:        #5DE2D7;   /* minor — cool teal */
  --a-faint:       rgba(93, 226, 215, 0.10);
  --a-mid:         rgba(93, 226, 215, 0.30);
  --b-ring:        #FF9966;   /* major — warm coral */
  --b-faint:       rgba(255, 153, 102, 0.10);
  --b-mid:         rgba(255, 153, 102, 0.30);

  /* Status */
  --warn:          #ffb84d;
  --clash:         #ff4d6a;

  /* Fonts */
  --display:       'Major Mono Display', 'Courier New', monospace;
  --mono:          'JetBrains Mono', ui-monospace, monospace;
  --body:          'IBM Plex Sans', system-ui, -apple-system, sans-serif;

  /* Motion */
  --ease-out:      cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out:   cubic-bezier(0.65, 0, 0.35, 1);
  --t-fast:        180ms;
  --t-med:         320ms;
  --t-slow:        600ms;
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.5;
  font-feature-settings: "ss01" on, "ss02" on, "kern" on;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  width: 100%;
}

::selection {
  background: var(--accent);
  color: var(--bg);
}

[hidden] {
  display: none !important;
}

/* ---------- ATMOSPHERIC LAYERS ---------- */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 100;
  opacity: 0.08;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.dotgrid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.06) 1px, transparent 0);
  background-size: 28px 28px;
  mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 50% at 50% 30%, black 30%, transparent 80%);
}

/* ---------- LIVE JOB PROGRESS BAR ---------- */
.job-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 70;
  background: linear-gradient(180deg, #1a1f0a 0%, #0a0a0a 100%);
  border-bottom: 1px solid var(--accent);
  box-shadow: 0 4px 20px rgba(212, 255, 58, 0.18);
  animation: slideDown var(--t-med) var(--ease-out);
}
.job-bar-inner {
  max-width: 1480px;
  margin: 0 auto;
  padding: 10px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  align-items: center;
  gap: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}
.job-phase {
  color: var(--accent);
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}
.job-bar-track {
  height: 6px;
  background: rgba(212, 255, 58, 0.12);
  position: relative;
  overflow: hidden;
}
.job-bar-fill {
  height: 100%;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent-glow);
  transition: width 600ms var(--ease-out);
}
.job-percent {
  color: var(--accent);
  font-weight: 700;
  min-width: 44px;
  text-align: right;
}
.job-detail {
  color: var(--text-dim);
  font-size: 11px;
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.job-close {
  background: none;
  border: 1px solid var(--border-bright);
  color: var(--text-dim);
  width: 24px;
  height: 24px;
  font-size: 14px;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-out);
}
.job-close:hover {
  border-color: var(--clash);
  color: var(--clash);
}

@media (max-width: 700px) {
  .job-bar-inner {
    grid-template-columns: auto 1fr auto auto;
  }
  .job-detail { display: none; }
}

/* ---------- ADD TO LIBRARY (secondary action) ---------- */
.url-secondary {
  margin-top: 8px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  padding-left: 24px;
  padding-right: 24px;
  padding-bottom: 16px;
}
.url-link-btn {
  background: transparent;
  border: 1px dashed var(--accent);
  color: var(--accent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-out);
}
.url-link-btn:hover {
  background: rgba(212, 255, 58, 0.06);
  border-style: solid;
}
.url-link-hint {
  color: var(--text-faint);
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ---------- APPLE MUSIC AUTH ---------- */
.apple-auth {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}
.apple-auth-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  letter-spacing: 0.06em;
}
.apple-auth-summary::-webkit-details-marker { display: none; }
.apple-auth-title {
  color: var(--text);
  font-weight: 600;
}
.apple-auth-status {
  color: var(--text-faint);
  font-size: 10px;
  flex: 1;
}
.apple-auth-status.authed { color: var(--accent); }
.apple-auth-chev {
  color: var(--text-faint);
  transition: transform 0.2s ease;
}
.apple-auth[open] .apple-auth-chev { transform: rotate(180deg); }
.apple-auth-body {
  padding: 10px 0 4px;
}
.apple-auth-help {
  color: var(--text-faint);
  margin: 0 0 8px;
  line-height: 1.5;
}
.apple-auth-steps {
  margin: 0 0 10px;
  padding-left: 20px;
  color: var(--text-faint);
  line-height: 1.6;
}
.apple-auth-steps a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.apple-auth-steps strong {
  color: var(--text);
  font-weight: 600;
}
.apple-cookies-input {
  width: 100%;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  line-height: 1.4;
  resize: vertical;
  min-height: 80px;
  box-sizing: border-box;
}
.apple-cookies-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(212, 255, 58, 0.03);
}
.apple-auth-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.apple-auth-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s ease;
}
.apple-auth-save {
  border-color: var(--accent);
  color: var(--accent);
}
.apple-auth-save:hover:not(:disabled) {
  background: var(--accent);
  color: #0a0a0a;
}
.apple-auth-clear:hover:not(:disabled) {
  border-color: #ff5566;
  color: #ff5566;
}
.apple-auth-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.apple-auth-msg {
  color: var(--text-faint);
  font-size: 10px;
  flex: 1;
  min-width: 0;
}
.apple-auth-msg.ok { color: var(--accent); }
.apple-auth-msg.err { color: #ff5566; }

/* ---------- TOPBAR ---------- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 32px;
  background: rgba(10, 10, 10, 0.78);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border-bottom: 1px solid var(--border);
  animation: slideDown var(--t-slow) var(--ease-out) both;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand {
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--text);
}

.brand-bar {
  display: inline-block;
  width: 2px;
  height: 18px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
}

.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

.stat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.stat-label {
  color: var(--text-faint);
}

.stat em {
  font-style: normal;
  color: var(--text);
  font-weight: 500;
}

.stat-live {
  color: var(--accent);
}

.stat-live .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 1.6s ease-in-out infinite;
}

/* ---------- LAYOUT ---------- */
.layout {
  max-width: 1480px;
  margin: 0 auto;
  padding: 56px 32px 24px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  grid-template-areas:
    "hero hero"
    "controls wheel"
    "genres wheel"
    "action wheel"
    "playlist playlist";
  gap: 32px 48px;
  position: relative;
  z-index: 1;
}

@media (max-width: 980px) {
  .layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "hero"
      "wheel"
      "controls"
      "genres"
      "action"
      "playlist";
    gap: 28px;
    padding: 32px 18px 24px;
  }
}

/* ---------- HERO ---------- */
.hero {
  grid-area: hero;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  animation: fadeUp var(--t-slow) 80ms var(--ease-out) both;
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 18px;
}

.headline {
  font-family: var(--display);
  font-weight: 400;
  font-size: clamp(48px, 9.5vw, 132px);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.headline .line {
  display: block;
  opacity: 0;
  animation: fadeUp var(--t-slow) var(--ease-out) both;
}

.headline .line:nth-child(1) { animation-delay: 160ms; }
.headline .line:nth-child(2) { animation-delay: 260ms; color: var(--accent); text-shadow: 0 0 24px var(--accent-glow); }
.headline .line:nth-child(3) { animation-delay: 360ms; }

.line-em {
  color: var(--accent);
}

.lede {
  max-width: 560px;
  margin-top: 22px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--text-2);
  animation: fadeUp var(--t-slow) 440ms var(--ease-out) both;
}

.lede-tech {
  display: block;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

/* ---------- URL CARD (REORDER) ---------- */
.url-card {
  grid-area: hero;
  /* Above hero in layout — actually we'll place at hero's gridarea but we want it below */
  /* Re-position via grid auto flow; we'll place using a wrapper */
}

/* Override grid placement — url-card lives between hero and the rest */
.layout {
  grid-template-areas:
    "hero hero"
    "url url"
    "controls wheel"
    "genres wheel"
    "action wheel"
    "playlist playlist";
}

@media (max-width: 980px) {
  .layout {
    grid-template-areas:
      "hero"
      "url"
      "wheel"
      "controls"
      "genres"
      "action"
      "playlist";
  }
}

.url-card {
  grid-area: url;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  animation: fadeUp var(--t-slow) 540ms var(--ease-out) both;
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease-out);
}

.url-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent), transparent 70%);
  opacity: 0.45;
  transition: opacity var(--t-fast) var(--ease-out);
}

.url-card[data-collapsed="false"]::before { opacity: 0.85; }
.url-card[data-collapsed="false"] { border-color: var(--border-bright); }

/* Clickable header */
.url-card-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 24px;
  background: transparent;
  border: none;
  color: inherit;
  cursor: pointer;
  text-align: left;
  font: inherit;
  transition: background var(--t-fast) var(--ease-out);
}

.url-card-toggle:hover {
  background: var(--surface-2);
}

.url-card-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

.url-card-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
}

.url-card-hint {
  flex: 1;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.url-card-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 300;
  color: var(--accent);
  border: 1px solid var(--border-bright);
  transition: transform var(--t-med) var(--ease-out), border-color var(--t-fast) var(--ease-out);
}

.url-card-toggle:hover .url-card-chevron {
  border-color: var(--accent);
}

.url-card[data-collapsed="false"] .url-card-chevron {
  transform: rotate(45deg);
  border-color: var(--accent);
}

/* Body — collapsible via display + opacity (most reliable) */
.url-card-body {
  display: block;
  opacity: 1;
  transition: opacity 240ms var(--ease-out);
}

.url-card[data-collapsed="true"] .url-card-body {
  display: none;
}

.url-form {
  display: flex;
  gap: 12px;
  align-items: stretch;
  padding: 0 24px 12px;
  margin-top: 6px;
}

.url-card-note {
  padding: 0 24px 20px;
}

.url-form {
  display: flex;
  gap: 12px;
  align-items: stretch;
}

@media (max-width: 640px) {
  .url-form { flex-direction: column; }
}

.url-input-wrap {
  flex: 1;
  position: relative;
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border-bright);
  transition: border-color var(--t-fast) var(--ease-out);
}

.url-input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 0 20px rgba(212, 255, 58, 0.15);
}

.url-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 100%;
  color: var(--accent);
  font-family: var(--display);
  font-size: 18px;
  border-right: 1px solid var(--border-bright);
  flex-shrink: 0;
}

.url-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  padding: 14px 16px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  font-weight: 400;
  width: 100%;
}

.url-input::placeholder {
  color: var(--text-faint);
  font-style: normal;
}

.url-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 28px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--display);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--accent);
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-out);
  white-space: nowrap;
  font-weight: 400;
}

.url-submit:hover {
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-1px);
}

.url-submit:active { transform: translateY(0); }

.url-submit.is-loading {
  background: var(--surface-3);
  color: var(--text-dim);
  border-color: var(--border-bright);
  cursor: wait;
}

.url-submit.is-sync-mode {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}
.url-submit.is-sync-mode:hover {
  background: rgba(212, 255, 58, 0.08);
}

.url-submit-arrow {
  font-size: 1.2em;
  display: inline-block;
  transition: transform var(--t-fast) var(--ease-out);
}

.url-submit:hover .url-submit-arrow {
  transform: translateX(3px);
}

.url-card-note {
  font-family: var(--body);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-dim);
  letter-spacing: 0.01em;
}

.url-card-status {
  display: block;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--accent);
  min-height: 14px;
}

.url-card-status.is-error { color: var(--clash); }
.url-card-status.is-warn { color: var(--warn); }

/* ---------- WHEEL ZONE ---------- */
.wheel-zone {
  grid-area: wheel;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 460px;
  animation: fadeIn var(--t-slow) 500ms var(--ease-out) both;
}

.zone-tag {
  position: absolute;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-faint);
  text-transform: uppercase;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.zone-tag-tr {
  top: 16px;
  right: 18px;
  text-align: right;
}

.zone-tag span:first-child {
  color: var(--text-dim);
}

.wheel-container {
  position: relative;
  width: 100%;
  max-width: 420px;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.camelot-wheel {
  width: 100%;
  height: 100%;
  display: block;
  filter: drop-shadow(0 0 0 var(--bg));
}

/* Wheel segment base styles */
.camelot-wheel .seg {
  cursor: default;
  transition: fill var(--t-fast) var(--ease-out), stroke var(--t-fast) var(--ease-out);
  stroke-width: 1.25;
}

.camelot-wheel .seg-a {
  fill: var(--a-faint);
  stroke: rgba(93, 226, 215, 0.35);
}

.camelot-wheel .seg-b {
  fill: var(--b-faint);
  stroke: rgba(255, 153, 102, 0.35);
}

.camelot-wheel .seg.is-active {
  fill: var(--accent);
  stroke: var(--accent);
  filter: drop-shadow(0 0 8px var(--accent-glow));
}

.camelot-wheel .seg.is-adjacent {
  fill: rgba(212, 255, 58, 0.18);
  stroke: var(--accent);
}

.camelot-wheel .seg.is-shift {
  fill: rgba(212, 255, 58, 0.10);
  stroke: rgba(212, 255, 58, 0.6);
  stroke-dasharray: 2 3;
}

.camelot-wheel .seg-label {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  fill: var(--text-2);
  text-anchor: middle;
  dominant-baseline: middle;
  pointer-events: none;
  letter-spacing: 0.02em;
}

.camelot-wheel .seg.is-active + .seg-label,
.camelot-wheel .seg-label.is-active {
  fill: var(--bg);
  font-weight: 700;
}

/* Center cluster */
.wheel-center {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  text-align: center;
}

.wheel-center-num {
  font-family: var(--display);
  font-size: 28px;
  color: var(--accent);
  line-height: 1;
  letter-spacing: 0;
}

.wheel-center-label {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  margin-top: 4px;
  text-transform: uppercase;
}

.wheel-legend {
  display: flex;
  gap: 18px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-top: 4px;
  flex-wrap: wrap;
  justify-content: center;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1px solid currentColor;
}

.swatch-a { background: var(--a-faint); border-color: var(--a-ring); }
.swatch-b { background: var(--b-faint); border-color: var(--b-ring); }
.swatch-active { background: var(--accent); border-color: var(--accent); box-shadow: 0 0 8px var(--accent-glow); }

/* ---------- CONTROLS ---------- */
.controls {
  grid-area: controls;
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
  animation: fadeUp var(--t-slow) 600ms var(--ease-out) both;
}

@media (max-width: 980px) {
  .controls { grid-template-columns: 1fr; }
}

.control-block {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
}

.control-block::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 10px;
  height: 10px;
  border-top: 1px solid var(--accent);
  border-left: 1px solid var(--accent);
  opacity: 0;
  transition: opacity var(--t-fast) var(--ease-out);
}

.control-block:focus-within::before {
  opacity: 1;
}

.control-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 12px;
}

.control-label {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text);
  text-transform: uppercase;
  font-weight: 500;
}

.control-tech {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
}

/* BPM display + slider */
.bpm-block {
  padding: 22px 28px 20px;
}

.bpm-display {
  font-family: var(--display);
  font-size: clamp(72px, 9vw, 120px);
  line-height: 0.9;
  color: var(--accent);
  letter-spacing: -0.01em;
  text-shadow: 0 0 28px var(--accent-glow);
  font-feature-settings: "tnum" on;
  margin: 6px 0 14px;
  position: relative;
}

.bpm-display::after {
  content: "BPM";
  position: absolute;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
  text-shadow: none;
  margin-left: 10px;
  vertical-align: top;
  margin-top: 6px;
}

.bpm-slider {
  width: 100%;
  height: 36px;
  cursor: ew-resize;
}

.bpm-slider::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(to right, var(--border-bright) 0%, var(--border-bright) 100%);
  border-radius: 0;
}

.bpm-slider::-moz-range-track {
  height: 4px;
  background: var(--border-bright);
  border-radius: 0;
}

.bpm-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  margin-top: -9px;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: ew-resize;
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 0;
  transition: transform var(--t-fast) var(--ease-out);
}

.bpm-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.bpm-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--accent);
  border: 2px solid var(--bg);
  cursor: ew-resize;
  box-shadow: 0 0 12px var(--accent-glow);
  border-radius: 0;
}

.bpm-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
}

/* Side stepper blocks */
.control-side {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 16px;
}

.stepper-block {
  padding: 16px 18px;
}

.stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.step-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-bright);
  color: var(--text);
  font-family: var(--display);
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--t-fast) var(--ease-out);
}

.step-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent), 0 0 12px rgba(212, 255, 58, 0.15);
}

.step-btn:active {
  transform: scale(0.94);
}

.step-val {
  font-family: var(--display);
  font-size: 32px;
  color: var(--text);
  letter-spacing: -0.01em;
  font-feature-settings: "tnum" on;
  min-width: 48px;
  text-align: center;
}

/* ---------- GENRES / CHIPS ---------- */
.genres {
  grid-area: genres;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 20px 22px;
  animation: fadeUp var(--t-slow) 700ms var(--ease-out) both;
}

.genres-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 14px;
}

.genres-meta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  max-height: 188px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-bright) transparent;
  padding: 2px;
}

.chip-list::-webkit-scrollbar { width: 4px; }
.chip-list::-webkit-scrollbar-track { background: transparent; }
.chip-list::-webkit-scrollbar-thumb { background: var(--border-bright); }

.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 12px 7px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border-bright);
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--t-fast) var(--ease-out);
  white-space: nowrap;
}

.chip:hover {
  border-color: var(--text-dim);
  color: var(--text);
  background: var(--surface-3);
}

.chip-count {
  color: var(--text-faint);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.chip.is-selected {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--bg);
  box-shadow: 0 0 18px var(--accent-glow);
}

/* Turkish preset chip — biraz daha belirgin */
.preset-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.chip-preset {
  border-color: var(--accent);
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.12em;
}
.chip-preset:hover {
  background: rgba(212, 255, 58, 0.08);
}
.chip-preset.is-selected {
  background: var(--accent);
  color: var(--bg);
}

/* Clear button — destructive look */
.clear-btn {
  border-color: var(--clash, #ff4d6a);
  color: var(--clash, #ff4d6a);
}
.clear-btn:hover {
  background: rgba(255, 77, 106, 0.08);
  box-shadow: inset 0 0 0 1px var(--clash, #ff4d6a);
}

.chip.is-selected .chip-count {
  color: rgba(10, 10, 10, 0.55);
}

.chip-skeleton {
  height: 28px;
  width: 72px;
  background: linear-gradient(90deg, var(--surface-2) 0%, var(--surface-3) 50%, var(--surface-2) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

/* ---------- GENERATE ---------- */
.action {
  grid-area: action;
  display: flex;
  animation: fadeUp var(--t-slow) 800ms var(--ease-out) both;
}

.generate-btn {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  padding: 28px 32px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--display);
  font-size: clamp(22px, 3.2vw, 36px);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: all var(--t-med) var(--ease-out);
  border: 1px solid var(--accent);
  overflow: hidden;
}

.generate-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.25) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 700ms var(--ease-out);
}

.generate-btn:hover::before {
  transform: translateX(100%);
}

.generate-btn:hover {
  box-shadow: 0 0 36px var(--accent-glow), inset 0 0 0 2px var(--bg);
  transform: translateY(-1px);
}

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

.generate-btn[disabled],
.generate-btn.is-loading {
  background: var(--surface-3);
  color: var(--text-dim);
  border-color: var(--border-bright);
  cursor: wait;
}

.generate-btn[disabled]::before,
.generate-btn.is-loading::before {
  display: none;
}

.generate-arrow {
  font-size: 0.7em;
  display: inline-block;
  transition: transform var(--t-med) var(--ease-out);
}

.generate-btn:hover .generate-arrow {
  transform: translateX(4px);
}

.generate-label {
  font-weight: 400;
}

.generate-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: lowercase;
  color: rgba(10, 10, 10, 0.55);
  font-weight: 500;
}

.generate-btn.is-loading .generate-meta {
  color: var(--text-faint);
}

/* corner ticks */
.generate-corner {
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid var(--bg);
}
.generate-corner-tl { top: 6px; left: 6px; border-right: none; border-bottom: none; }
.generate-corner-tr { top: 6px; right: 6px; border-left: none; border-bottom: none; }
.generate-corner-bl { bottom: 6px; left: 6px; border-right: none; border-top: none; }
.generate-corner-br { bottom: 6px; right: 6px; border-left: none; border-top: none; }

/* ---------- PLAYLIST ---------- */
.playlist {
  grid-area: playlist;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 24px 28px 32px;
  animation: fadeUp var(--t-slow) 900ms var(--ease-out) both;
  min-height: 280px;
}

.playlist-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
  gap: 16px;
  flex-wrap: wrap;
}

.playlist-title-block {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.playlist-title {
  font-family: var(--display);
  font-size: clamp(28px, 4.5vw, 48px);
  line-height: 1;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.playlist-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.playlist-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.action-btn {
  padding: 10px 16px;
  border: 1px solid var(--border-bright);
  background: transparent;
  color: var(--text-2);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: all var(--t-fast) var(--ease-out);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.action-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent), 0 0 18px rgba(212, 255, 58, 0.1);
}

.action-btn:active {
  transform: scale(0.97);
}

.reroll-btn .reroll-icon {
  display: inline-block;
  transition: transform var(--t-slow) var(--ease-in-out);
}

.reroll-btn:hover .reroll-icon,
.reroll-btn.is-spinning .reroll-icon {
  transform: rotate(360deg);
}

.action-btn.is-success {
  border-color: var(--accent);
  color: var(--accent);
}

/* Empty state */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 56px 24px;
  color: var(--text-faint);
}

.empty-art {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  height: 56px;
}

.empty-bar {
  width: 5px;
  background: var(--border-bright);
  animation: barPulse 1.8s ease-in-out infinite;
}

.empty-bar:nth-child(1) { height: 30%; animation-delay: 0ms; }
.empty-bar:nth-child(2) { height: 80%; animation-delay: 120ms; }
.empty-bar:nth-child(3) { height: 55%; animation-delay: 240ms; }
.empty-bar:nth-child(4) { height: 100%; animation-delay: 360ms; }
.empty-bar:nth-child(5) { height: 45%; animation-delay: 480ms; }

.empty-line {
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.empty-sub {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.empty-sub strong {
  color: var(--accent);
  font-weight: 500;
}

/* Track list */
.track-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-soft);
  padding: 1px;
}

.track {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: stretch;
  background: var(--surface);
  transition: background var(--t-fast) var(--ease-out);
  position: relative;
  animation: trackIn var(--t-med) var(--ease-out) both;
  border: 1px solid transparent;
}

.track:hover {
  background: var(--surface-2);
  border-color: var(--border-bright);
}

.track-num-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 0;
  border-right: 1px solid var(--border);
  gap: 4px;
  background: var(--bg);
}

.track-num {
  font-family: var(--display);
  font-size: 14px;
  color: var(--accent);
  letter-spacing: 0;
}

.track-arrow {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0;
}

.track-info {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.track-artist {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-title {
  font-family: var(--body);
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-transition {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  text-transform: uppercase;
}

.track-transition.t-same { color: var(--accent); }
.track-transition.t-adjacent { color: var(--a-ring); }
.track-transition.t-shift { color: var(--b-ring); }
.track-transition.t-clash { color: var(--clash); }

.track-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: center;
  padding: 14px 18px;
  border-left: 1px solid var(--border);
  gap: 6px;
  min-width: 120px;
}

.track-bpm {
  font-family: var(--display);
  font-size: 22px;
  color: var(--text);
  letter-spacing: -0.01em;
  font-feature-settings: "tnum" on;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
}

.track-bpm-unit {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.track-bpm-delta {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0;
  color: var(--text-faint);
  margin-left: 2px;
}

.track-bpm-delta.is-up { color: var(--warn); }
.track-bpm-delta.is-down { color: var(--a-ring); }

.track-key {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  border: 1px solid;
}

.track-key.key-a {
  color: var(--a-ring);
  border-color: var(--a-mid);
  background: var(--a-faint);
}

.track-key.key-b {
  color: var(--b-ring);
  border-color: var(--b-mid);
  background: var(--b-faint);
}

/* Skeleton */
.track-skeleton {
  height: 84px;
  background: linear-gradient(90deg, var(--surface) 0%, var(--surface-2) 50%, var(--surface) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
}

/* ---------- FOOTER ---------- */
.footer {
  max-width: 1480px;
  margin: 56px auto 0;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-dim);
  text-transform: uppercase;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-col {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-brand { color: var(--text); }
.footer-sep { color: var(--text-faint); }
.footer-credit { color: var(--text-faint); }

.footer-link {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease-out);
}

.footer-link:hover {
  border-color: var(--accent);
}

.footer-link-author {
  font-weight: 700;
  letter-spacing: 0.12em;
  position: relative;
}

.footer-link-author::before {
  content: "◆";
  display: inline-block;
  margin-right: 6px;
  font-size: 8px;
  vertical-align: 1px;
  color: var(--accent);
  text-shadow: 0 0 8px var(--accent-glow);
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes trackIn {
  from { opacity: 0; transform: translateX(-12px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes barPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.6; }
  50% { transform: scaleY(0.5); opacity: 1; }
}

@keyframes digitFlip {
  0% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(-6px); opacity: 0; }
  51% { transform: translateY(6px); }
  100% { transform: translateY(0); opacity: 1; }
}

.bpm-display.is-changing {
  animation: digitFlip var(--t-fast) var(--ease-out);
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- RESPONSIVE TWEAKS ---------- */
@media (max-width: 640px) {
  .topbar {
    padding: 14px 18px;
  }
  .topbar-right {
    gap: 12px;
  }
  .stat {
    font-size: 10px;
  }
  .layout {
    padding: 24px 14px 20px;
  }
  .hero {
    padding-bottom: 18px;
  }
  .wheel-zone {
    min-height: 380px;
    padding: 18px;
  }
  .playlist {
    padding: 20px 16px 24px;
  }
  .track {
    grid-template-columns: 40px 1fr;
  }
  .track-meta {
    grid-column: 1 / -1;
    border-left: none;
    border-top: 1px solid var(--border);
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    min-width: 0;
  }
  .footer {
    padding: 18px 14px;
    font-size: 10px;
  }
}