/* ===== NicNacStudio Design Studio — 4K reality ===== */
:root{
  --chrome:#10141f; --chrome-2:#161b2a; --panel:#1a2030; --line:#2a3246;
  --text:#e8e6e0; --muted:#8b93a7; --gold:#d4a94e; --gold-2:#b98a2f;
  --serif:"Cormorant Garamond","Playfair Display",Georgia,serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --radius:8px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--sans);font-size:14px;color:var(--text);background:var(--chrome);overflow:hidden}
button{font-family:var(--sans)}
em{font-style:italic;color:var(--gold)}
.ds-app{display:flex;flex-direction:column;height:100vh}

/* top bar */
.ds-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--chrome-2);border-bottom:1px solid var(--line)}
.ds-brand{font-family:var(--serif);font-size:1.15rem;color:var(--text)}
.ds-brand-sub{display:block;font-family:var(--sans);font-size:.6rem;letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.ds-top-actions{display:flex;align-items:center;gap:10px}
.ds-tb-btn{background:var(--panel);border:1px solid var(--line);color:var(--text);padding:8px 14px;border-radius:6px;cursor:pointer;font-size:.82rem;transition:.2s;display:inline-flex;align-items:center;gap:6px}
.ds-tb-btn:hover{border-color:var(--gold);color:var(--gold)}
.ds-tb-btn.ds-gold{background:linear-gradient(135deg,#b98a2f,#d4a94e);color:#fff;border:none;font-weight:600}
.ds-upload{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border:1px solid var(--line);border-radius:6px;cursor:pointer;font-size:.82rem;color:var(--text);background:var(--panel)}
.ds-upload:hover{border-color:var(--gold);color:var(--gold)}
.ds-select{background:var(--panel);border:1px solid var(--line);color:var(--text);padding:8px 12px;border-radius:6px;font-size:.82rem}
.ds-sep{width:1px;height:22px;background:var(--line)}

/* body */
.ds-body{display:grid;grid-template-columns:230px 1fr 260px;flex:1;min-height:0}

/* left panel */
.ds-left,.ds-right{background:var(--chrome-2);padding:16px;overflow-y:auto}
.ds-panel-title{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}
.ds-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.ds-tool{aspect-ratio:1;background:var(--panel);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:1.1rem;cursor:pointer;transition:.2s;display:flex;align-items:center;justify-content:center}
.ds-tool:hover{border-color:var(--gold)}
.ds-tool.active{background:linear-gradient(135deg,#b98a2f,#d4a94e);color:#fff;border-color:transparent}
.ds-swatches{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:12px}
.ds-swatch{aspect-ratio:1;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:.15s;position:relative}
.ds-swatch:hover{transform:scale(1.15)}
.ds-swatch.active{border-color:#fff;box-shadow:0 0 0 2px var(--gold)}
.ds-field{margin-bottom:10px}
.ds-field label{display:block;font-size:.64rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:5px}
.ds-field input[type=color]{width:100%;height:34px;border:1px solid var(--line);border-radius:6px;background:var(--panel);cursor:pointer}
.ds-field input[type=range]{width:100%;accent-color:var(--gold)}
.ds-icons{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.ds-icon{aspect-ratio:1;background:var(--panel);border:1px solid var(--line);border-radius:6px;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:.15s}
.ds-icon:hover{border-color:var(--gold);color:var(--gold);transform:scale(1.08)}

/* canvas */
.ds-canvas-wrap{display:flex;flex-direction:column;background:radial-gradient(1200px 600px at 50% 0%,#1d2436,#0c0f18);align-items:center;justify-content:center;padding:20px;min-width:0;overflow:hidden}
.ds-canvas-holder{position:relative;box-shadow:0 30px 90px rgba(0,0,0,.6),0 0 0 1px var(--line);border-radius:6px;max-width:100%;max-height:calc(100% - 90px)}
#dsCanvas{display:block;max-width:100%;max-height:100%;background:var(--paper,#faf8f5);cursor:crosshair;border-radius:6px}
.ds-canvas-cap{position:absolute;bottom:-30px;left:0;right:0;text-align:center;font-size:.68rem;letter-spacing:.18em;color:var(--muted);text-transform:uppercase}
.ds-filmstrip{display:flex;gap:10px;margin-top:34px;padding:0 4px;max-width:100%;overflow-x:auto}
.ds-frame{position:relative;flex-shrink:0;width:120px;height:72px;border-radius:6px;overflow:hidden;cursor:pointer;border:1px solid var(--line);transition:.2s}
.ds-frame img{width:100%;height:100%;object-fit:cover}
.ds-frame span{position:absolute;left:0;right:0;bottom:0;font-size:.58rem;background:rgba(0,0,0,.65);color:#fff;padding:2px 6px;text-align:center;letter-spacing:.06em}
.ds-frame:hover{border-color:var(--gold);transform:translateY(-3px)}
.ds-frame.active{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold)}

/* right panel */
.ds-effect-grid,.ds-filter-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.ds-efx{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px;text-align:center;cursor:pointer;transition:.2s}
.ds-efx:hover{border-color:var(--gold);transform:translateY(-2px)}
.ds-efx.active{border-color:var(--gold);background:linear-gradient(180deg,rgba(185,138,47,.18),rgba(185,138,47,.05))}
.ds-efx .e-ico{display:block;font-size:1.2rem;margin-bottom:4px}
.ds-efx .e-name{font-size:.7rem;color:var(--muted);letter-spacing:.04em}
.ds-inspector{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px;min-height:120px}
.ds-inspector .i-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.ds-inspector .i-row label{font-size:.66rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);width:74px;flex-shrink:0}
.ds-inspector input,.ds-inspector select{flex:1;background:var(--chrome-2);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:7px 10px;font-size:.8rem}
.ds-inspector .i-del{width:100%;margin-top:6px;background:none;border:1px solid #7a2430;color:#ff8a94;border-radius:6px;padding:8px;cursor:pointer;font-size:.8rem}
.ds-inspector .i-del:hover{background:#7a2430;color:#fff}
.ds-muted{color:var(--muted)} .small{font-size:.74rem}
.ds-tip{margin-top:16px;font-size:.7rem;line-height:1.6;color:var(--muted);border-left:2px solid var(--gold);padding-left:10px}

/* toast */
.ds-toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--chrome-2);border:1px solid var(--gold);color:var(--text);padding:12px 22px;border-radius:8px;font-size:.84rem;opacity:0;transition:.3s;z-index:50;pointer-events:none}
.ds-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:1000px){
  .ds-body{grid-template-columns:190px 1fr}
  .ds-right{display:none}
}
@media(max-width:720px){
  .ds-body{grid-template-columns:1fr}
  .ds-left{display:none}
}