/* ── Design tokens ───────────────────────────────────── */
:root {
  --bg:           #09090b;
  --surface:      #111113;
  --surface-2:    #1c1c1f;
  --surface-3:    #27272a;
  --border:       #2e2e32;
  --border-light: #3f3f46;
  --text:         #f4f4f5;
  --text-soft:    #a1a1aa;
  --text-muted:   #52525b;
  --accent:       #5b6ef5;
  --accent-dim:   rgba(91, 110, 245, .14);
  --accent-glow:  rgba(91, 110, 245, .22);
  --success:      #22c55e;
  --danger:       #ef4444;
  --r-sm: 6px;
  --r:    10px;
  --r-lg: 14px;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  min-height: 100vh;
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 3px; }

/* ── Header ──────────────────────────────────────────── */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  padding: 0 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.025em;
}

.logo-mark {
  width: 30px;
  height: 30px;
  background: linear-gradient(135deg, #5b6ef5, #8b5cf6);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  flex-shrink: 0;
}

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--r-sm);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  white-space: nowrap;
  outline: none;
  transition: background .15s, border-color .15s, box-shadow .15s, transform .1s;
}
.btn:focus-visible { box-shadow: 0 0 0 2px var(--accent); }

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: #6b7ef7; border-color: #6b7ef7; }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-light);
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--text-muted); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--border-light);
}
.btn-danger:hover { background: rgba(239, 68, 68, .1); border-color: var(--danger); }

.btn-auth {
  background: transparent;
  color: #7dd3fc;
  border-color: #7dd3fc;
}
.btn-auth:hover { background: rgba(125, 211, 252, .08); }
.btn-auth.is-set { color: var(--success); border-color: var(--success); }
.btn-auth.is-set:hover { background: rgba(34, 197, 94, .08); }

/* ── Main layout ─────────────────────────────────────── */
.main {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 24px 160px;
}

/* ── Testfit bar ─────────────────────────────────────── */
.testfit-bar {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 36px;
}

.field-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  white-space: nowrap;
}

.field-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--surface-3);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
}

.text-input {
  width: 14ch;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 5px 8px;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.text-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.text-input::placeholder { color: var(--text-muted); }
.text-input--short { width: 7ch; }

/* ── Task blocks ─────────────────────────────────────── */
.tasks { display: flex; flex-direction: column; gap: 28px; }

.task-row { display: flex; justify-content: center; }

.task-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 380px;
  padding: 14px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.012em;
  cursor: pointer;
  font-family: inherit;
  transition: background .18s, border-color .18s, box-shadow .18s, transform .12s;
}
.task-btn:hover {
  background: var(--surface-2);
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent), 0 6px 24px var(--accent-glow);
  transform: translateY(-1px);
}
.task-btn:active { transform: translateY(0); box-shadow: none; }
.task-btn:disabled {
  opacity: .38;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
  border-color: var(--border);
}
.task-btn:disabled:hover {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: none;
  transform: none;
}

.task-btn-inner {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  min-width: 0;
}

.task-btn-label {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: -.012em;
}

.task-btn-hint {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: .01em;
  opacity: .8;
}

.task-icon {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  background: var(--accent-dim);
  border: 1px solid rgba(91, 110, 245, .28);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}

.task-arrow { margin-left: auto; color: var(--text-muted); }

/* ── Variant grid ────────────────────────────────────── */
.variants {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  padding: 4px 2px;
  margin-top: 14px;
}

.variant-card {
  width: 198px;
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  transition: border-color .18s, box-shadow .18s, transform .12s;
}
.variant-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}
.variant-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 6px 20px var(--accent-glow);
}

.variant-thumb {
  width: 100%;
  height: 136px;
  display: block;
  object-fit: cover;
  background: var(--surface-2);
}

.variant-svg-wrap {
  width: 100%;
  height: 136px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
}

.variant-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.variant-placeholder {
  width: 100%;
  height: 136px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.spinner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #FF3D00;
  position: relative;
}
.spinner:before,
.spinner:after {
  content: "";
  position: absolute;
  border-radius: 50%;
  inset: 0;
  background: #fff;
  transform: rotate(0deg) translate(30px);
  animation: spinner-orbit 1s ease infinite;
}
.spinner:after {
  animation-delay: 0.5s;
}
@keyframes spinner-orbit {
  100% { transform: rotate(360deg) translate(30px); }
}

.variant-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-top: 1px solid var(--border);
}

.variant-name {
  font-size: 12px;
  color: var(--text-soft);
  font-weight: 500;
}

.check-box {
  width: 17px;
  height: 17px;
  border-radius: 4px;
  border: 1.5px solid var(--border-light);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background .15s, border-color .15s;
}
.check-box.on { background: var(--accent); border-color: var(--accent); }
.check-box svg { opacity: 0; transition: opacity .12s; }
.check-box.on svg { opacity: 1; }

/* ── Variant popup ───────────────────────────────────── */
.variant-overlay {
  padding: 10vh 10vw;
}

.variant-modal {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  width: 80vw;
  height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .65);
  animation: pop-in .2s cubic-bezier(.16, 1, .3, 1);
  overflow: hidden;
}

.variant-modal .modal-head {
  flex-shrink: 0;
}

.variant-modal-body {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: var(--surface-2);
  background-image:
    radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  user-select: none;
}

.variant-modal-canvas {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-origin: center center;
  will-change: transform;
}

.variant-modal-svg {
  width: 92%;
  height: 92%;
  display: block;
}

/* ── Zoom controls ───────────────────────────────────── */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  margin-right: 12px;
}

.zoom-btn {
  width: 26px;
  height: 26px;
  border-radius: var(--r-sm);
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  color: var(--text-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  flex-shrink: 0;
}
.zoom-btn:hover { background: var(--surface-3); border-color: var(--accent); color: var(--text); }

.zoom-reset-btn { width: auto; padding: 0 7px; }

.zoom-label {
  font-size: 11px;
  color: var(--text-muted);
  min-width: 38px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

/* ── Download group ──────────────────────────────────── */
.dl-group {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-right: 8px;
  padding-left: 10px;
  border-left: 1px solid var(--border);
}

/* ── Modal overlay ───────────────────────────────────── */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .72);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 24px;
  backdrop-filter: blur(5px);
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--r-lg);
  width: 100%;
  max-width: 420px;
  box-shadow: 0 32px 64px rgba(0, 0, 0, .5);
  animation: pop-in .2s cubic-bezier(.16, 1, .3, 1);
}
@keyframes pop-in {
  from { opacity: 0; transform: scale(.95) translateY(-10px); }
  to   { opacity: 1; transform: scale(1)   translateY(0); }
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 20px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.modal-foot {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

/* ── Form controls ───────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 8px; }

.form-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-hint { font-size: 12px; color: var(--text-muted); }

.num-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.num-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.num-input:disabled { opacity: .35; cursor: not-allowed; }

/* Toggle */
.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: border-color .15s;
}
.toggle-row:hover { border-color: var(--border-light); }

.toggle-pill {
  width: 36px;
  height: 20px;
  border-radius: 10px;
  background: var(--border-light);
  position: relative;
  flex-shrink: 0;
  transition: background .2s;
}
.toggle-pill.on { background: var(--accent); }

.toggle-thumb {
  position: absolute;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fff;
  top: 3px;
  left: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .3);
  transition: left .2s cubic-bezier(.4, 0, .2, 1);
}
.toggle-pill.on .toggle-thumb { left: 19px; }

.toggle-text { font-size: 13px; color: var(--text-soft); }
.toggle-text strong { color: var(--text); font-weight: 600; }

/* Slider */
.slider-row { display: flex; align-items: center; gap: 12px; }

input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  border-radius: 2px;
  background: var(--border-light);
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, .15);
  transition: box-shadow .15s;
}
input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px var(--accent-dim);
}

.slider-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  min-width: 22px;
  text-align: center;
  font-family: 'SF Mono', 'Fira Code', monospace;
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 2px;
  margin-top: 4px;
}
.slider-ticks span { font-size: 11px; color: var(--text-muted); }

/* Divider */
.divider { height: 1px; background: var(--border); }

/* Close button */
.close-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 4px;
  border-radius: 5px;
  transition: background .15s, color .15s;
}
.close-btn:hover { background: var(--surface-3); color: var(--text); }

/* API key input */
.key-input-wrap { position: relative; }

.key-input {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--border-light);
  border-radius: var(--r-sm);
  color: var(--text);
  padding: 8px 40px 8px 12px;
  font-size: 13px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.key-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}
.key-input::placeholder { color: var(--text-muted); }

.reveal-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  padding: 2px;
}
.reveal-btn:hover { color: var(--text); }

/* Status badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.badge-ok  { background: rgba(34, 197, 94, .12); color: var(--success); border: 1px solid rgba(34, 197, 94, .2); }
.badge-err { background: rgba(239, 68, 68, .1);  color: var(--danger);  border: 1px solid rgba(239, 68, 68, .18); }

.dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ── Error toast ─────────────────────────────────────── */
.error-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 300;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 13px 14px;
  background: var(--surface);
  border: 1px solid rgba(239, 68, 68, .35);
  border-radius: var(--r);
  color: var(--danger);
  font-size: 13px;
  max-width: 380px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, .55);
}

.error-toast-msg {
  flex: 1;
  line-height: 1.45;
  color: var(--text-soft);
}

.error-toast-close {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  padding: 1px;
  flex-shrink: 0;
  margin-top: 1px;
  border-radius: 4px;
  transition: background .15s, color .15s;
}
.error-toast-close:hover { background: var(--surface-3); color: var(--text); }

.toast-enter-active, .toast-leave-active { transition: all .22s cubic-bezier(.16, 1, .3, 1); }
.toast-enter-from, .toast-leave-to       { opacity: 0; transform: translateY(10px); }

/* ── Vue transitions ─────────────────────────────────── */
.fade-enter-active, .fade-leave-active { transition: opacity .15s; }
.fade-enter-from,   .fade-leave-to     { opacity: 0; }

.slide-enter-active { transition: all .22s cubic-bezier(.16, 1, .3, 1); }
.slide-leave-active { transition: all .15s ease; }
.slide-enter-from   { opacity: 0; transform: translateY(-8px); }
.slide-leave-to     { opacity: 0; transform: translateY(-4px); }

/* ── Activity log ────────────────────────────────────── */
.log-panel {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 40;
}

.log-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 20px;
  border-bottom: 1px solid var(--border);
}

.log-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-muted);
}

.log-clear-btn {
  background: none;
  border: none;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: inherit;
  transition: background .15s, color .15s;
}
.log-clear-btn:hover { background: var(--surface-3); color: var(--text); }

.log-body {
  height: 110px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  padding: 6px 0;
}

.log-empty {
  padding: 0 20px;
  font-size: 12px;
  color: var(--text-muted);
  font-style: italic;
}

.log-entry {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 2px 20px;
  font-size: 12px;
  font-family: 'SF Mono', 'Fira Code', monospace;
  transition: background .1s;
}
.log-entry:hover { background: var(--surface-2); }

.log-time {
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 11px;
}

.log-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--border-light);
}

.log-msg { color: var(--text-soft); }

.log-info  .log-dot { background: var(--accent); }
.log-info  .log-msg { color: var(--text-soft); }

.log-polling .log-dot { background: var(--text-muted); }
.log-polling .log-msg { color: var(--text-muted); }

.log-success .log-dot { background: var(--success); }
.log-success .log-msg { color: var(--success); }

.log-error .log-dot { background: var(--danger); }
.log-error .log-msg { color: var(--danger); }