:root {
  --bg: #050506; --surface: #111113; --surface-2: #1a1a1d; --border: #2a2a2e;
  --border-hover: #3a3a40; --text: #f5f5f3; --text-2: #9a9a9e; --text-3: #67676c;
  --accent: #c8a862; --accent-soft: rgba(200,168,98,0.12); --radius: 12px; --radius-sm: 8px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
.ef-body {
  background: var(--bg); color: var(--text);
  font-family: 'Inter', -apple-system, system-ui, sans-serif; -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
.brand { font-family: 'Fraunces', serif; font-weight: 500; letter-spacing: 0.01em; }
.tagline { color: var(--text-2); }
.history-link { color: var(--accent); text-decoration: none; font-size: 14px; }
.history-link:hover { text-decoration: underline; }

.ef-shell { display: flex; height: 100vh; }

/* Panel */
.ef-panel {
  width: 380px; flex-shrink: 0; height: 100vh; overflow-y: auto;
  border-right: 0.5px solid var(--border); background: rgba(17,17,19,0.85);
  padding: 26px 24px 40px;
}
.ef-head { margin-bottom: 18px; }
.ef-beta { font-family: 'Inter', sans-serif; font-size: 11px; color: var(--accent); border: 0.5px solid rgba(200,168,98,0.4); padding: 2px 7px; border-radius: 999px; vertical-align: middle; }

.ef-toolbar { margin-bottom: 18px; }
.ef-units { display: flex; align-items: center; gap: 8px; }
.ef-units > span { font-size: 12px; color: var(--text-3); margin-right: 2px; }
.ef-unit-btn {
  font-size: 12px; padding: 6px 12px; border-radius: 999px; cursor: pointer; font-family: inherit;
  background: var(--surface-2); border: 0.5px solid var(--border); color: var(--text-2);
}
.ef-unit-btn.active { background: var(--accent-soft); color: var(--accent); border-color: rgba(200,168,98,0.4); }

.ef-presets-row { margin-bottom: 22px; }
.ef-presets-label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 10px; }
.ef-presets { display: flex; flex-wrap: wrap; gap: 8px; }
.ef-preset {
  font-size: 12px; padding: 7px 13px; border-radius: 999px; cursor: pointer; font-family: inherit;
  background: var(--surface-2); border: 0.5px solid var(--border); color: var(--text-2); transition: all 0.15s;
}
.ef-preset:hover { border-color: var(--border-hover); color: var(--text); }
.ef-preset.active { background: var(--accent-soft); color: var(--accent); border-color: rgba(200,168,98,0.4); }

.ef-size {
  height: 38px; background: var(--surface-2); border: 0.5px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; font-family: inherit; padding: 0 34px 0 12px; appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%239a9a9e' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center; min-width: 150px;
}
.ef-size:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.ef-adv-toggle {
  width: 100%; text-align: left; cursor: pointer; font-family: inherit; font-size: 13px; color: var(--text-2);
  background: transparent; border: 0; border-top: 0.5px solid var(--border); padding: 16px 0 6px; margin-top: 4px;
  display: flex; align-items: center; justify-content: space-between;
}
.ef-adv-toggle:hover { color: var(--text); }
.ef-adv-caret { transition: transform 0.2s; color: var(--accent); }
.ef-adv-toggle.open .ef-adv-caret { transform: rotate(180deg); }
.ef-adv[hidden] { display: none; }
.ef-adv { padding-top: 8px; }

.ef-fitpanel {
  position: absolute; top: 18px; right: 18px; width: 250px; z-index: 15;
  padding: 14px 16px; border: 0.5px solid var(--border); border-radius: var(--radius);
  background: rgba(17, 17, 19, 0.82); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
@media (max-width: 560px) { .ef-fitpanel { width: 200px; top: 12px; right: 12px; padding: 12px; } }
.ef-fit-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 10px; }
.ef-fit-rec { font-size: 14px; color: var(--text-2); margin-bottom: 10px; }
.ef-fit-rec b { color: var(--accent); font-size: 16px; font-family: 'Fraunces', serif; }
.ef-fit-rows { display: flex; flex-direction: column; gap: 6px; }
.ef-fit-row { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.ef-fit-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.ef-fit-region { color: var(--text-2); text-transform: capitalize; flex: 1; }
.ef-fit-stat { color: var(--text); }

.ef-group { margin-bottom: 22px; }
.ef-group h3 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-3); margin-bottom: 12px; }
.ef-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ef-field { display: flex; flex-direction: column; gap: 6px; }
.ef-field.ef-span { grid-column: 1 / -1; }
.ef-field > span { font-size: 12px; color: var(--text-2); }
.ef-unit { font-style: normal; color: var(--text-3); font-size: 11px; }
.ef-val { font-style: normal; color: var(--accent); font-size: 12px; float: right; }
.ef-field input[type=range] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px; padding: 0;
  background: var(--surface-2); border: 0; border-radius: 999px; cursor: pointer; margin: 10px 0 4px;
}
.ef-field input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--accent); border: 2px solid #0a0a0a; cursor: pointer; box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.ef-field input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%; background: var(--accent); border: 2px solid #0a0a0a; cursor: pointer;
}
.ef-field input[type=range]:focus { outline: none; }
.ef-field input[type=range]:focus::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--accent-soft); }

.ef-field input:not([type=range]), .ef-field select {
  height: 42px; background: var(--surface-2); border: 0.5px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 14px; font-family: inherit; padding: 0 12px; width: 100%; appearance: none;
}
.ef-field input:focus, .ef-field select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.ef-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%239a9a9e' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
}

.ef-actions { display: flex; align-items: center; gap: 14px; margin-top: 6px; }
.ef-save {
  height: 44px; padding: 0 22px; border: none; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 500;
  background: var(--text); color: #0a0a0a; border-radius: var(--radius-sm);
}
.ef-save:hover { box-shadow: 0 8px 24px rgba(245,245,243,0.15); }
.ef-generate {
  height: 44px; padding: 0 18px; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 500;
  background: transparent; border: 0.5px solid var(--accent); color: var(--accent); border-radius: var(--radius-sm);
}
.ef-generate:hover { background: var(--accent-soft); }
.ef-generate.on { background: var(--accent); color: #0a0a0a; }
.ef-saved { font-size: 13px; color: var(--accent); }
.ef-attrib { font-size: 11px; color: var(--text-3); margin-top: 12px; }
.ef-attrib a { color: var(--text-2); }

/* Stage */
.ef-stage { flex: 1; position: relative; min-width: 0; background: radial-gradient(120% 120% at 50% 30%, #16181d 0%, #050506 70%); }
#ef-canvas { position: absolute; inset: 0; }
#ef-canvas canvas { display: block; }

.ef-viewbar { position: absolute; top: 18px; left: 18px; display: flex; gap: 8px; }
.ss-btn {
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer; font-size: 15px; line-height: 1;
  background: rgba(255,255,255,0.08); border: 0.5px solid rgba(255,255,255,0.22); color: #fff;
  backdrop-filter: blur(6px); transition: background 0.2s;
}
.ss-btn:hover { background: rgba(255,255,255,0.2); }
.ss-btn.active { background: var(--accent-soft); border-color: rgba(200,168,98,0.5); color: var(--accent); }

.ef-garment {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); display: flex; gap: 8px;
  width: min(520px, 86%); background: rgba(17,17,19,0.8); border: 0.5px solid var(--border);
  border-radius: 999px; padding: 7px 7px 7px 16px; backdrop-filter: blur(8px);
}
.ef-garment input {
  flex: 1; height: 38px; background: transparent; border: 0; color: var(--text); font-size: 13px; font-family: inherit; outline: none;
}
.ef-garment input::placeholder { color: var(--text-3); }
.ef-fit {
  height: 38px; background: var(--surface-2); border: 0.5px solid var(--border); border-radius: 999px;
  color: var(--text-2); font-size: 12px; font-family: inherit; padding: 0 8px; appearance: none; cursor: pointer; flex-shrink: 0;
}
.ef-fit:focus { outline: none; border-color: var(--accent); }
.ef-garment button {
  height: 38px; padding: 0 18px; border: 0; border-radius: 999px; cursor: pointer; font-family: inherit;
  font-size: 13px; font-weight: 500; background: var(--accent); color: #0a0a0a; white-space: nowrap;
}
.ef-garment button:disabled { opacity: 0.5; cursor: wait; }

.ef-result { position: absolute; inset: 0; z-index: 20; display: flex; align-items: center; justify-content: center; background: rgba(5,5,6,0.85); backdrop-filter: blur(8px); padding: 24px; }
.ef-result[hidden] { display: none; }
.ef-result-inner { display: flex; flex-direction: column; align-items: center; gap: 14px; max-height: 100%; }
.ef-result-inner img { max-width: 100%; max-height: 78vh; border-radius: var(--radius); border: 0.5px solid var(--border); }
.ef-result-actions { display: flex; gap: 10px; }
.ef-loading { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: var(--text-3); font-size: 14px; }

@media (max-width: 820px) {
  .ef-body { overflow: auto; }
  .ef-shell { flex-direction: column; height: auto; }
  .ef-panel { width: auto; height: auto; overflow: visible; border-right: 0; border-bottom: 0.5px solid var(--border); }
  .ef-stage { height: 70vh; }
}