:root {
  --navy:     #0e1320;
  --navy2:    #131929;
  --navy3:    #1a2235;
  --navy4:    #202c42;
  --cream:    #e8dfc8;
  --cream2:   #c9bc9e;
  --cream3:   #a89b7e;
  --gold:     #c9a96e;
  --gold2:    #e0bf87;
  --text:     #e8dfc8;
  --text2:    #9ba5b8;
  --text3:    #5a6478;
  --green:    #5cb88a;
  --red:      #c06060;
  --border:   rgba(201,169,110,0.12);
  --border2:  rgba(201,169,110,0.22);
  --radius:   14px;
  --radius-sm:9px;
  --shadow:   0 4px 24px rgba(0,0,0,0.35);
}

* { box-sizing:border-box; margin:0; padding:0;
    -webkit-user-select:none; user-select:none;
    -webkit-tap-highlight-color:transparent; }

input[type="text"] { -webkit-user-select:auto; user-select:auto; }

body {
  background-color: var(--navy);
  background-image:
    radial-gradient(ellipse at 60% 0%, rgba(201,169,110,0.06) 0%, transparent 55%),
    radial-gradient(ellipse at 0% 100%, rgba(14,19,32,0.9) 0%, transparent 70%);
  color: var(--text);
  font-family: 'DM Sans', system-ui, sans-serif;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── SPLASH ── */
#splash-screen {
  position:fixed; inset:0; background:var(--navy);
  z-index:9999; display:flex; flex-direction:column;
  align-items:center; justify-content:center;
  transition: opacity .5s ease-out, visibility .5s ease-out;
}
.splash-logo {
  width:80px; height:80px; object-fit:contain; border-radius:16px;
  background:var(--navy3);
  animation: popIn .9s cubic-bezier(.175,.885,.32,1.275) forwards;
}
.splash-text {
  margin-top:18px; font-family:'DM Serif Display', serif;
  font-size:28px; color:var(--cream); letter-spacing:.5px;
  opacity:0; animation: fadeUp .7s ease forwards .4s;
}
.splash-sub {
  margin-top:6px; font-size:12px; color:var(--gold);
  letter-spacing:3px; text-transform:uppercase;
  opacity:0; animation: fadeUp .7s ease forwards .55s;
}
@keyframes popIn { 0%{transform:scale(.5);opacity:0} 100%{transform:scale(1);opacity:1} }
@keyframes fadeUp { 0%{transform:translateY(14px);opacity:0} 100%{transform:translateY(0);opacity:1} }

/* ── NAV ── */
nav {
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 32px;
  border-bottom:1px solid var(--border);
  background:rgba(14,19,32,0.92);
  position:sticky; top:0; z-index:100;
}
.logo {
  display:flex; align-items:center; gap:12px;
  font-family:'DM Serif Display', serif;
  font-size:20px; color:var(--cream); letter-spacing:.3px;
}
.logo-img {
  width:42px; height:42px; object-fit:contain;
  border-radius:8px; background:var(--navy3);
}
.logo-dot { color:var(--gold); }

.nav-export {
  display:flex; align-items:center; gap:8px;
  padding:9px 22px;
  background:var(--gold); border:none; border-radius:40px;
  color:var(--navy); font-size:13px; font-weight:600;
  font-family:'DM Sans', sans-serif;
  cursor:pointer; transition:all .25s ease;
  letter-spacing:.3px;
}
.nav-export:hover:not(:disabled) {
  background:var(--gold2); transform:translateY(-1px);
  box-shadow:0 4px 16px rgba(201,169,110,0.3);
}
.nav-export:disabled {
  background:var(--navy4); color:var(--text3);
  cursor:not-allowed; box-shadow:none;
}
.nav-export:disabled svg { stroke:var(--text3); }

/* ── MAIN ── */
main {
  max-width:860px; margin:0 auto;
  padding:28px 20px 100px;
  display:flex; flex-direction:column; gap:16px;
}

/* ── CARDS ── */
.card, .visualizer-panel {
  background:var(--navy2);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
}

.card-label {
  font-size:10px; font-weight:600; letter-spacing:2px;
  text-transform:uppercase; color:var(--gold);
  margin-bottom:16px; display:flex; align-items:center; gap:8px;
}
.card-label::after {
  content:''; flex:1; height:1px; background:var(--border);
}

/* ── VISUALIZER ── */
.viz-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom:14px;
}
.viz-status { display:flex; align-items:center; gap:8px; font-size:13px; color:var(--text2); }
.viz-dot { width:7px; height:7px; border-radius:50%; background:var(--text3); transition:all .3s; }
.viz-dot.active { background:var(--green); box-shadow:0 0 8px rgba(92,184,138,.5); animation:pulse 1.5s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.4} }

.viz-tabs {
  display:flex; gap:2px;
  background:var(--navy); padding:3px; border-radius:8px;
  border:1px solid var(--border);
}
.viz-tab {
  padding:5px 14px; font-size:11px; font-weight:600;
  letter-spacing:.5px; border:none;
  background:transparent; color:var(--text3);
  border-radius:6px; cursor:pointer; transition:all .2s;
  font-family:'DM Sans', sans-serif;
}
.viz-tab:hover { color:var(--text2); }
.viz-tab.active { background:var(--navy3); color:var(--cream); }

canvas#viz {
  width:100%; height:150px; display:block;
  border-radius:var(--radius-sm);
  background:var(--navy);
  border:1px solid var(--border);
}

/* ── TRANSPORT ── */
.transport {
  display:flex; align-items:center; gap:18px;
  margin-top:18px; padding-top:18px;
  border-top:1px solid var(--border);
}
.transport-btns { display:flex; gap:10px; align-items:center; }

.t-btn {
  width:40px; height:40px; border-radius:50%;
  border:1px solid var(--border2);
  background:var(--navy3); color:var(--text2);
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all .2s;
}
.t-btn:hover { background:var(--navy4); color:var(--cream); border-color:var(--gold); }
.t-btn.primary {
  width:50px; height:50px;
  background:var(--gold); border:none; color:var(--navy);
  box-shadow:0 4px 14px rgba(201,169,110,.25);
}
.t-btn.primary:hover { background:var(--gold2); transform:scale(1.06); box-shadow:0 6px 20px rgba(201,169,110,.35); }

.progress-wrap { flex:1; display:flex; flex-direction:column; gap:7px; }
.progress-bar-track {
  height:4px; background:var(--navy); border-radius:2px;
  overflow:hidden; cursor:pointer;
  border:1px solid rgba(201,169,110,.08);
}
.progress-bar-fill {
  height:100%; width:0%; background:var(--gold);
  border-radius:2px; transition:width .1s linear;
}
.time-labels {
  display:flex; justify-content:space-between;
  font-size:11px; font-weight:500; color:var(--text3);
  font-variant-numeric:tabular-nums;
}

/* ── UPLOAD ── */
.upload-zone {
  border:1px dashed var(--border2);
  background:var(--navy);
  border-radius:var(--radius-sm);
  padding:28px 20px; text-align:center;
  cursor:pointer; transition:all .3s; position:relative;
}
.upload-zone:hover { border-color:var(--gold); background:rgba(201,169,110,.04); }
.upload-zone input { position:absolute; inset:0; opacity:0; cursor:pointer; }
.upload-icon {
  width:44px; height:44px; border-radius:50%;
  background:var(--navy3); border:1px solid var(--border2);
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 12px; transition:all .3s;
}
.upload-zone:hover .upload-icon { background:rgba(201,169,110,.15); border-color:var(--gold); }
.upload-icon svg { width:20px; height:20px; fill:var(--gold); }
.upload-text { font-size:14px; font-weight:500; color:var(--cream); }
.upload-hint { font-size:12px; color:var(--text3); margin-top:5px; }

.file-info {
  display:none; align-items:center; gap:14px;
  padding:12px 16px; background:var(--navy);
  border:1px solid var(--border); border-radius:var(--radius-sm);
}
.file-info.visible { display:flex; }
.file-meta { flex:1; overflow:hidden; }
.file-name { font-size:14px; font-weight:500; color:var(--cream); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.file-size { font-size:11px; color:var(--text3); margin-top:3px; }

.add-new-btn {
  display:flex; align-items:center; justify-content:center;
  width:38px; height:38px; border-radius:8px;
  background:var(--navy3); border:1px dashed var(--border2);
  color:var(--text2); cursor:pointer; transition:all .2s;
  position:relative; overflow:hidden; flex-shrink:0;
}
.add-new-btn:hover { border-color:var(--gold); color:var(--gold); }
.add-new-btn input { position:absolute; inset:0; opacity:0; cursor:pointer; }
.add-new-btn svg { width:18px; height:18px; stroke:currentColor; fill:none; }

/* ── PRESETS ── */
.presets-label {
  font-size:10px; font-weight:600; letter-spacing:2px;
  text-transform:uppercase; color:var(--text3);
  margin-bottom:10px;
}
.preset-grid {
  display:grid; grid-template-columns:repeat(4,1fr); gap:8px;
  margin-bottom:22px; padding-bottom:22px;
  border-bottom:1px solid var(--border);
}
@media(max-width:680px){ .preset-grid{ grid-template-columns:repeat(2,1fr); } }

.preset-btn {
  background:var(--navy); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:10px 12px;
  font-size:12px; color:var(--text2); text-align:left;
  cursor:pointer; transition:all .25s ease;
  display:flex; align-items:center; gap:8px;
  font-family:'DM Sans', sans-serif; font-weight:500;
}
.preset-btn span { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; flex:1; }
.preset-btn:hover {
  background:rgba(201,169,110,.07); color:var(--cream);
  border-color:var(--gold); transform:translateY(-1px);
}
.preset-btn svg { width:14px; height:14px; fill:none; stroke:var(--text3); flex-shrink:0; transition:stroke .2s; }
.preset-btn:hover svg { stroke:var(--gold); }

/* ── CONTROLS ── */
.controls-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:12px;
}
@media(max-width:540px){ .controls-grid{ grid-template-columns:1fr; } }

.control-group {
  background:var(--navy); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:14px 18px;
  transition:border-color .2s;
}
.control-group:hover { border-color:rgba(201,169,110,.22); }

.control-label {
  font-size:11px; color:var(--text3); font-weight:600;
  text-transform:uppercase; letter-spacing:1px;
  margin-bottom:12px; display:flex; justify-content:space-between; align-items:center;
}
.control-val { font-size:13px; font-weight:600; color:var(--gold); letter-spacing:0; text-transform:none; }

input[type=range].hslider {
  width:100%; appearance:none;
  height:3px; background:var(--navy3);
  border-radius:2px; cursor:pointer; outline:none;
}
input[type=range].hslider::-webkit-slider-thumb {
  appearance:none; width:16px; height:16px;
  border-radius:50%; background:var(--gold);
  border:2px solid var(--navy2);
  box-shadow:0 0 8px rgba(201,169,110,.3);
  transition:transform .1s;
}
input[type=range].hslider::-webkit-slider-thumb:hover { transform:scale(1.2); }
input[type=range].hslider::-moz-range-thumb {
  width:14px; height:14px; border-radius:50%;
  background:var(--gold); border:2px solid var(--navy2);
}

/* ── REVERB ROW ── */
.reverb-row {
  background:var(--navy); border:1px solid var(--border);
  border-radius:var(--radius-sm); padding:14px 18px;
  grid-column:1 / -1;
  display:flex; align-items:center; justify-content:space-between;
  transition:border-color .2s;
}
.reverb-row:hover { border-color:rgba(201,169,110,.22); }
.reverb-info { display:flex; flex-direction:column; gap:3px; }
.reverb-title { font-size:14px; font-weight:500; color:var(--cream); }
.reverb-sub { font-size:11px; color:var(--text3); }

.toggle-switch {
  width:44px; height:24px; background:var(--navy3);
  border-radius:12px; cursor:pointer; position:relative;
  border:1px solid var(--border2); transition:all .3s ease; flex-shrink:0;
}
.toggle-switch.on { background:var(--gold); border-color:var(--gold); }
.toggle-thumb {
  width:18px; height:18px; background:var(--navy2);
  border-radius:50%; position:absolute;
  top:2px; left:2px; transition:left .3s ease;
  box-shadow:0 1px 4px rgba(0,0,0,.3);
}
.toggle-switch.on .toggle-thumb { left:22px; background:var(--navy); }

/* ── STATUS BAR ── */
.status-bar {
  display:flex; align-items:center; gap:14px;
  padding:10px 18px;
  background:var(--navy2); border:1px solid var(--border);
  border-radius:var(--radius-sm);
  font-size:11px; font-weight:500; color:var(--text3);
}
.status-chip {
  display:flex; align-items:center; gap:6px;
  padding:3px 10px; border-radius:20px;
  background:var(--navy); font-size:11px; font-weight:600; color:var(--text3);
  border:1px solid var(--border);
}
.status-chip.active { background:rgba(92,184,138,.1); color:var(--green); border-color:rgba(92,184,138,.2); }
#export-status { margin-left:auto; font-size:11px; font-weight:600; color:var(--cream); }

/* ── DISCORD AD MODAL ── */
.discord-ad-overlay {
  position:fixed; inset:0; z-index:1000;
  background:rgba(8,12,22,0.85);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:all .4s ease;
}
.discord-ad-overlay.show { opacity:1; pointer-events:auto; }
.discord-ad-box {
  background:var(--navy2); border:1px solid var(--border2);
  border-radius:var(--radius); padding:36px; width:90%; max-width:420px;
  box-shadow:0 20px 50px rgba(0,0,0,.5);
  text-align:center; position:relative;
  transform:scale(.92); transition:transform .5s cubic-bezier(.175,.885,.32,1.275), opacity .4s ease;
}
.discord-ad-overlay.show .discord-ad-box { transform:scale(1); }
.discord-ad-close {
  position:absolute; top:14px; right:14px;
  width:30px; height:30px; border-radius:50%;
  background:var(--navy3); border:1px solid var(--border);
  color:var(--text2); font-size:18px; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .2s; z-index:10;
}
.discord-ad-close:hover { background:var(--red); color:white; border-color:transparent; }
.discord-ad-icon { width:56px; height:56px; fill:#5865F2; margin-bottom:16px; }
.discord-ad-title { font-family:'DM Serif Display', serif; font-size:20px; color:var(--cream); margin-bottom:10px; }
.discord-ad-text { font-size:13px; color:var(--text2); line-height:1.65; margin-bottom:22px; }
.discord-ad-btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background:#5865F2; color:white; font-weight:600; font-size:14px;
  padding:12px 28px; border-radius:30px; text-decoration:none;
  transition:all .3s; width:100%;
  font-family:'DM Sans', sans-serif;
}
.discord-ad-btn:hover { background:#4752C4; transform:translateY(-2px); box-shadow:0 8px 20px rgba(88,101,242,.3); }
.discord-ad-timer { font-size:11px; color:var(--text3); margin-top:14px; }

/* ── FLOATING DISCORD ── */
.floating-discord {
  position:fixed; bottom:28px; right:28px;
  background:#5865F2; color:white;
  padding:12px 20px; border-radius:30px;
  display:flex; align-items:center; gap:10px;
  font-weight:600; font-size:14px; text-decoration:none;
  box-shadow:0 8px 24px rgba(88,101,242,.35);
  transition:all .4s cubic-bezier(.175,.885,.32,1.275);
  z-index:900; font-family:'DM Sans', sans-serif;
  opacity:0; pointer-events:none; transform:translateY(30px) scale(.6);
}
.floating-discord.visible { opacity:1; pointer-events:auto; transform:translateY(0) scale(1); }
.floating-discord:hover { transform:translateY(-4px) scale(1.04); background:#4752C4; }
.floating-discord svg { width:22px; height:22px; fill:white; }

/* ── TOAST ── */
.toast {
  position:fixed; bottom:30px; left:50%;
  transform:translateX(-50%) translateY(16px);
  background:var(--navy3); border:1px solid var(--border2);
  border-radius:30px; padding:10px 22px;
  font-size:13px; font-weight:500; color:var(--cream);
  opacity:0; transition:all .35s ease;
  pointer-events:none; z-index:999;
  display:flex; align-items:center; gap:8px;
  box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }
.toast-dot { width:8px; height:8px; border-radius:50%; background:var(--gold); }

/* ── MODAL EXPORT ── */
.modal-overlay {
  position:fixed; inset:0; z-index:1000;
  background:rgba(8,12,22,0.85);
  display:flex; align-items:center; justify-content:center;
  opacity:0; pointer-events:none; transition:all .3s ease;
}
.modal-overlay.show { opacity:1; pointer-events:auto; }
.modal-box {
  background:var(--navy2); border:1px solid var(--border2);
  border-radius:var(--radius); padding:26px; width:90%; max-width:400px;
  box-shadow:0 20px 40px rgba(0,0,0,.5);
  transform:translateY(16px) scale(.97); transition:all .3s ease;
}
.modal-overlay.show .modal-box { transform:translateY(0) scale(1); }
.modal-title { font-family:'DM Serif Display', serif; font-size:18px; color:var(--cream); margin-bottom:14px; }
.modal-input {
  width:100%; padding:11px 14px; border-radius:var(--radius-sm);
  background:var(--navy); border:1px solid var(--border2);
  color:var(--cream); font-size:13px; margin-bottom:18px;
  font-family:'DM Sans', sans-serif; outline:none; transition:border-color .2s;
}
.modal-input:focus { border-color:var(--gold); }
.modal-actions { display:flex; justify-content:flex-end; gap:10px; }
.modal-btn {
  padding:9px 20px; border-radius:var(--radius-sm);
  font-size:13px; font-weight:600; cursor:pointer;
  transition:all .2s; border:none; font-family:'DM Sans', sans-serif;
}
.modal-btn.cancel { background:var(--navy3); color:var(--text2); border:1px solid var(--border); }
.modal-btn.cancel:hover { color:var(--cream); border-color:var(--border2); }
.modal-btn.confirm { background:var(--gold); color:var(--navy); }
.modal-btn.confirm:hover { background:var(--gold2); box-shadow:0 4px 14px rgba(201,169,110,.25); }

.export-anim-container { display:flex; flex-direction:column; align-items:center; gap:14px; padding:16px 0 8px; }
.sound-wave { display:flex; align-items:center; gap:4px; height:30px; }
.sound-wave .bar {
  width:4px; background:var(--gold); border-radius:2px;
  animation:waveAnim 1s ease-in-out infinite;
}
.sound-wave .bar:nth-child(2){animation-delay:.1s;background:var(--gold2);}
.sound-wave .bar:nth-child(3){animation-delay:.2s;}
.sound-wave .bar:nth-child(4){animation-delay:.3s;background:var(--gold2);}
.sound-wave .bar:nth-child(5){animation-delay:.4s;}
@keyframes waveAnim { 0%,100%{height:8px} 50%{height:30px} }
.export-status-text { font-size:13px; font-weight:500; color:var(--text2); }
.modal-progress-track { width:100%; height:3px; background:var(--navy); border-radius:2px; overflow:hidden; }
.modal-progress-fill { height:100%; width:0%; background:var(--gold); transition:width .1s linear; }

::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:var(--navy); }
::-webkit-scrollbar-thumb { background:var(--navy4); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--border2); }