/* ============================================
   VANOMED SOLUTIONS — Interior Configurator V2
   Premium Dark Luxury UI
   ============================================ */
:root {
  --bg: #050508;
  --surface: rgba(12, 12, 18, 0.88);
  --glass: rgba(255,255,255,0.035);
  --glass-b: rgba(255,255,255,0.06);
  --glass-h: rgba(255,255,255,0.07);
  --text: #f0ece4;
  --text2: rgba(240,236,228,0.5);
  --text3: rgba(240,236,228,0.25);
  --accent: #c9a96e;
  --accent-g: rgba(201,169,110,0.2);
  --panel-w: 340px;
  --r: 14px;
  --rs: 8px;
  --font-d: 'Playfair Display', Georgia, serif;
  --font-b: 'Outfit', system-ui, sans-serif;
  --ease: cubic-bezier(.25,.46,.45,.94);
  --spring: cubic-bezier(.34,1.56,.64,1);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);font-family:var(--font-b);color:var(--text);-webkit-font-smoothing:antialiased}

/* ---- LOADER ---- */
#loader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;align-items:center;justify-content:center;transition:opacity 1s var(--ease),visibility 1s}
#loader.hidden{opacity:0;visibility:hidden;pointer-events:none}
.loader-inner{text-align:center;width:320px}
.loader-logo{margin-bottom:48px}
.logo-icon{display:block;font-size:28px;color:var(--accent);margin-bottom:16px;animation:pulse 2.5s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:1;transform:scale(1.08)}}
.loader-logo h1{font-family:var(--font-d);font-size:22px;font-weight:500;letter-spacing:8px;color:var(--text)}
.loader-tagline{font-size:11px;letter-spacing:5px;text-transform:uppercase;color:var(--text2);margin-top:10px}
.loader-bar-track{width:100%;height:1px;background:var(--glass-b);overflow:hidden;border-radius:1px}
.loader-bar-fill{height:100%;width:0%;background:linear-gradient(90deg,var(--accent),#e8d5a8);transition:width .3s var(--ease)}
.loader-pct{font-size:11px;color:var(--text3);margin-top:14px;letter-spacing:3px;font-weight:300}

/* ---- CANVAS ---- */
#canvas3d{position:fixed;inset:0;width:100%;height:100%;display:block}

/* ---- TOP BAR ---- */
#topBar{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:22px 32px;background:linear-gradient(180deg,rgba(5,5,8,.85) 0%,transparent 100%);pointer-events:none;opacity:0;transform:translateY(-12px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
#topBar.visible{opacity:1;transform:translateY(0)}
.top-left{display:flex;align-items:center;gap:10px}
.brand-icon{color:var(--accent);font-size:16px}
.brand-name{font-family:var(--font-d);font-size:13px;font-weight:500;letter-spacing:5px}
.model-label{font-size:10px;letter-spacing:3px;color:var(--text3);font-weight:300}

/* ---- CAMERA PRESETS ---- */
#cameraPresets{position:fixed;bottom:28px;left:50%;transform:translateX(-50%) translateY(20px);z-index:100;display:flex;gap:4px;padding:5px;background:var(--surface);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);border:1px solid var(--glass-b);border-radius:16px;opacity:0;transition:opacity .6s var(--ease),transform .6s var(--ease)}
#cameraPresets.visible{opacity:1;transform:translateX(-50%) translateY(0)}
.cam-btn{display:flex;align-items:center;gap:6px;padding:9px 16px;background:0;border:1px solid transparent;border-radius:12px;color:var(--text2);font-family:var(--font-b);font-size:11px;letter-spacing:.5px;cursor:pointer;transition:all .3s var(--ease);white-space:nowrap}
.cam-btn svg{width:15px;height:15px;flex-shrink:0}
.cam-btn:hover{background:var(--glass-h);color:var(--text)}
.cam-btn.active{background:var(--glass);border-color:var(--glass-b);color:var(--accent)}

/* ---- CONFIG PANEL ---- */
#configPanel{position:fixed;top:14px;right:14px;bottom:14px;width:var(--panel-w);z-index:200;background:var(--surface);backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);border:1px solid var(--glass-b);border-radius:20px;display:flex;flex-direction:column;overflow:hidden;opacity:0;transform:translateX(30px);transition:opacity .6s var(--ease) .3s,transform .6s var(--ease) .3s,width .4s var(--ease)}
#configPanel.visible{opacity:1;transform:translateX(0)}
#configPanel.collapsed{width:52px}
#configPanel.collapsed .panel-body,#configPanel.collapsed .panel-header h2{opacity:0;pointer-events:none}
#configPanel.collapsed .panel-toggle svg{transform:rotate(180deg)}
.panel-header{display:flex;align-items:center;justify-content:space-between;padding:22px 22px 0;flex-shrink:0}
.panel-header h2{font-family:var(--font-d);font-size:17px;font-weight:500;letter-spacing:1.5px;transition:opacity .2s}
.panel-toggle{width:30px;height:30px;display:flex;align-items:center;justify-content:center;background:var(--glass);border:1px solid var(--glass-b);border-radius:var(--rs);cursor:pointer;color:var(--text2);transition:all .3s var(--ease)}
.panel-toggle:hover{background:var(--glass-h);color:var(--text)}
.panel-toggle svg{width:14px;height:14px;transition:transform .3s var(--ease)}
.panel-body{flex:1;overflow-y:auto;padding:18px 22px 22px;transition:opacity .3s}
.panel-body::-webkit-scrollbar{width:3px}
.panel-body::-webkit-scrollbar-track{background:0}
.panel-body::-webkit-scrollbar-thumb{background:var(--glass-b);border-radius:3px}

/* ---- SECTIONS ---- */
.config-section{margin-bottom:6px;border:1px solid var(--glass-b);border-radius:var(--r);overflow:hidden;transition:border-color .3s}
.config-section:hover{border-color:rgba(255,255,255,.1)}
.section-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;cursor:pointer;user-select:none}
.section-title-row{display:flex;align-items:center;gap:10px}
.section-icon{width:26px;height:26px;border-radius:7px;background:var(--glass);border:1px solid var(--glass-b)}
.ambient-icon{background:radial-gradient(circle,rgba(255,60,95,.25),var(--glass))}
.star-icon{background:radial-gradient(circle,rgba(255,255,255,.15),var(--glass))}
.bloom-icon{background:radial-gradient(circle,rgba(168,85,247,.25),var(--glass))}
.seat-icon{background:radial-gradient(circle,rgba(201,169,110,.25),var(--glass))}
.belt-icon{background:radial-gradient(circle,rgba(59,130,246,.25),var(--glass))}
.section-header h3{font-size:12px;font-weight:500;letter-spacing:.5px}
.section-content{max-height:0;overflow:hidden;padding:0 16px;transition:max-height .4s var(--ease),padding .4s var(--ease)}
.section-content.open{max-height:500px;padding:0 16px 16px}

/* ---- CONTROLS ---- */
.control-group{margin-bottom:12px}
.control-group:last-child{margin-bottom:0}
.control-group>label{display:block;font-size:10px;font-weight:400;letter-spacing:2px;text-transform:uppercase;color:var(--text2);margin-bottom:8px}
.color-presets{display:flex;gap:7px;flex-wrap:wrap}
.color-swatch{width:30px;height:30px;border-radius:50%;border:2px solid transparent;background:var(--sw);cursor:pointer;transition:all .25s var(--ease);position:relative}
.color-swatch::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid transparent;transition:border-color .25s}
.color-swatch:hover{transform:scale(1.12)}
.color-swatch.active::after{border-color:var(--accent)}
.custom-color-row{display:flex;align-items:center;gap:10px;margin-top:10px}
.color-input{width:34px;height:34px;border:0;padding:0;border-radius:var(--rs);cursor:pointer;background:0}
.color-input::-webkit-color-swatch-wrapper{padding:2px}
.color-input::-webkit-color-swatch{border-radius:6px;border:1px solid var(--glass-b)}
.color-hex{font-size:11px;font-family:var(--font-b);color:var(--text2);letter-spacing:1.5px}
.slider-row{display:flex;align-items:center;gap:10px}
.premium-slider{flex:1;-webkit-appearance:none;appearance:none;height:3px;background:var(--glass-b);border-radius:3px;outline:0;cursor:pointer}
.premium-slider::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:var(--accent);border:2px solid rgba(5,5,8,.8);box-shadow:0 0 6px var(--accent-g);cursor:pointer;transition:transform .2s var(--spring)}
.premium-slider::-webkit-slider-thumb:hover{transform:scale(1.2)}
.premium-slider::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--accent);border:2px solid rgba(5,5,8,.8);box-shadow:0 0 6px var(--accent-g);cursor:pointer}
.slider-val{font-size:11px;font-weight:400;color:var(--text2);min-width:34px;text-align:right;font-variant-numeric:tabular-nums}
.toggle-switch{position:relative;display:inline-block;width:38px;height:20px;flex-shrink:0}
.toggle-switch input{opacity:0;width:0;height:0}
.toggle-track{position:absolute;inset:0;background:var(--glass-b);border-radius:20px;cursor:pointer;transition:background .3s}
.toggle-track::after{content:'';position:absolute;top:2.5px;left:2.5px;width:15px;height:15px;background:var(--text2);border-radius:50%;transition:all .3s var(--spring)}
.toggle-switch input:checked+.toggle-track{background:var(--accent)}
.toggle-switch input:checked+.toggle-track::after{transform:translateX(18px);background:var(--bg)}

/* ---- WATERMARK ---- */
#watermark{position:fixed;bottom:28px;right:28px;z-index:50;display:flex;align-items:center;gap:5px;font-size:9px;letter-spacing:2px;color:var(--text3);opacity:0;transition:opacity .6s var(--ease) .8s}
#watermark.visible{opacity:1}
.wm-brand{color:var(--accent);font-weight:500}

/* ---- RESPONSIVE ---- */
@media(max-width:860px){
  :root{--panel-w:300px}
  .cam-btn span{display:none}
  .cam-btn{padding:9px 12px}
}
@media(max-width:600px){
  :root{--panel-w:100%}
  #configPanel{top:auto;bottom:0;left:0;right:0;height:50vh;border-radius:20px 20px 0 0;transform:translateY(30px)}
  #configPanel.visible{transform:translateY(0)}
  #configPanel.collapsed{height:52px;width:100%}
  #cameraPresets{bottom:calc(50vh + 10px)}
}