:root {
  --li-accent:      #ff8a00;
  --li-accent-2:    #ffa726;
  --li-accent-soft: rgba(255, 138, 0, 0.14);
  --li-accent-line: rgba(255, 138, 0, 0.55);
  --li-surface:     rgba(255, 255, 255, 0.03);
  --li-surface-2:   rgba(255, 255, 255, 0.05);
  --li-border:      rgba(255, 255, 255, 0.08);
  --li-border-str:  rgba(255, 255, 255, 0.16);
  --li-text:        rgba(255, 255, 255, 0.88);
  --li-text-dim:    rgba(255, 255, 255, 0.55);
  --li-radius:      14px;
}

.li-shell {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1.1rem 1.25rem 3rem;
}
.li-back {
  color: var(--li-text-dim);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}
.li-back:hover { color: var(--li-accent); }

.li-hero { text-align: center; padding: 1.4rem 0 1.1rem; }
.li-hero-kicker {
  display: inline-block;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--li-accent);
  margin-bottom: 0.45rem;
}
.li-hero-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  margin: 0 0 0.5rem;
  background: linear-gradient(135deg, var(--li-accent), var(--li-accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.li-hero-sub {
  color: var(--li-text-dim);
  margin: 0 auto;
  max-width: 620px;
  font-size: 0.96rem;
  line-height: 1.5;
}
.li-hero-chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1rem;
}
.li-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.74rem;
  color: var(--li-text-dim);
  border: 1px solid var(--li-border);
  background: var(--li-surface);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}
.li-chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: linear-gradient(135deg, var(--li-accent), var(--li-accent-2));
  box-shadow: 0 0 8px rgba(255, 138, 0, 0.55);
}

.li-workspace {
  display: grid;
  grid-template-columns: minmax(280px, 380px) 1fr;
  gap: 0.85rem;
  align-items: start;
}

.li-panel {
  border: 1px solid var(--li-border);
  border-radius: var(--li-radius);
  background:
    radial-gradient(circle at 100% 0%, rgba(255, 138, 0, 0.06), transparent 55%),
    var(--li-surface);
  display: flex;
  flex-direction: column;
  min-height: 420px;
}
.li-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--li-border);
  gap: 0.5rem;
  flex-wrap: wrap;
}
.li-panel-head-left {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  flex: 1;
  min-width: 0;
  flex-wrap: wrap;
}
.li-panel-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--li-text-dim);
  white-space: nowrap;
}
.li-panel-actions {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
  flex-wrap: wrap;
}

.li-controls-body {
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  flex: 1;
}
.li-control-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}
.li-control-group {
  display: flex;
  flex-direction: column;
  gap: 0.28rem;
  flex: 1;
  min-width: 140px;
}
.li-control-group-sm { flex: 0 0 100px; min-width: 90px; }
.li-control-label {
  font-size: 0.72rem;
  color: var(--li-text-dim);
  font-weight: 600;
}
.li-count-hint {
  font-weight: 400;
  opacity: 0.75;
}

.li-select, .li-input {
  padding: 0.42rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--li-border-str);
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  font-size: 0.82rem;
  outline: none;
  font-family: inherit;
  transition: border-color 0.18s, box-shadow 0.18s;
}
.li-input { width: 100%; box-sizing: border-box; }
.li-select:focus, .li-input:focus {
  border-color: var(--li-accent-line);
  box-shadow: 0 0 0 3px var(--li-accent-soft);
}
.li-select option { background: #0b1220; }

.li-presets-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--li-text-dim);
  margin-bottom: 0.45rem;
}
.li-preset-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.li-preset-btn {
  appearance: none;
  border: 1px solid var(--li-border-str);
  background: var(--li-surface-2);
  color: var(--li-text-dim);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
}
.li-preset-btn:hover {
  border-color: var(--li-accent-line);
  color: #fff;
}
.li-preset-btn.active {
  background: linear-gradient(135deg, var(--li-accent), var(--li-accent-2));
  border-color: transparent;
  color: #fff;
}

.li-options {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.li-opts-check {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  color: var(--li-text);
  cursor: pointer;
}
.li-opts-check input { accent-color: var(--li-accent); width: 14px; height: 14px; }

.li-action-row {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.5rem;
}
.li-generate-btn {
  appearance: none;
  flex: 1;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, var(--li-accent), var(--li-accent-2));
  color: #fff;
  font-size: 0.92rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: 0 6px 20px rgba(255, 138, 0, 0.28);
}
.li-generate-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(255, 138, 0, 0.38); }
.li-shortcut-hint {
  font-size: 0.62rem;
  font-weight: 400;
  opacity: 0.7;
  background: rgba(0, 0, 0, 0.15);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.li-stat-chips {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.li-stat-chip {
  font-size: 0.62rem;
  font-weight: 600;
  padding: 0.12rem 0.45rem;
  border-radius: 4px;
  background: var(--li-surface-2);
  border: 1px solid var(--li-border);
  color: var(--li-text-dim);
  white-space: nowrap;
}

.li-view-tabs {
  display: flex;
  gap: 0.2rem;
  border: 1px solid var(--li-border);
  border-radius: 6px;
  padding: 0.15rem;
  background: var(--li-surface-2);
}
.li-view-tab {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--li-text-dim);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
}
.li-view-tab.active {
  background: var(--li-accent-soft);
  color: var(--li-accent);
}

.li-output-area {
  flex: 1;
  padding: 0.85rem;
  min-height: 360px;
  overflow: auto;
}
.li-output-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  text-align: center;
  color: rgba(255, 255, 255, 0.22);
  gap: 0.4rem;
}
.li-output-placeholder p { margin: 0; font-size: 0.92rem; }
.li-placeholder-hint { font-size: 0.78rem !important; }

.li-output-text {
  margin: 0;
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--li-text);
  white-space: pre-wrap;
  word-break: break-word;
}

.li-output-preview {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--li-text);
}
.li-output-preview p { margin: 0 0 1rem; }
.li-output-preview p:last-child { margin-bottom: 0; }
.li-output-preview ul,
.li-output-preview ol {
  margin: 0 0 1rem;
  padding-left: 1.5rem;
}
.li-output-preview li { margin-bottom: 0.35rem; }

.li-status-bar {
  margin-top: 0.65rem;
  padding: 0.45rem 0.75rem;
  border-radius: 8px;
  font-size: 0.8rem;
  min-height: 2rem;
  display: flex;
  align-items: center;
}
.li-status-bar:empty { display: none; }
.li-status-bar.info {
  background: rgba(255, 138, 0, 0.08);
  color: var(--li-accent);
  border: 1px solid var(--li-accent-line);
}

.li-btn {
  appearance: none;
  border: 1px solid var(--li-border-str);
  background: var(--li-surface-2);
  color: var(--li-text);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  white-space: nowrap;
}
.li-btn:hover { border-color: var(--li-accent-line); transform: translateY(-1px); }
.li-btn-sm { font-size: 0.72rem; padding: 0.28rem 0.6rem; border-radius: 6px; }
.li-btn-ghost { background: transparent; border-color: var(--li-border); }
.li-btn.copied {
  background: rgba(34, 197, 94, 0.15);
  border-color: rgba(34, 197, 94, 0.4);
  color: #86efac;
}

.li-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.li-modal[hidden] { display: none; }
.li-modal-card {
  width: 100%;
  max-width: 440px;
  background: rgba(12, 20, 32, 0.97);
  border: 1px solid var(--li-border-str);
  border-radius: 16px;
  padding: 1.3rem;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
}
.li-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.li-modal-head h3 { margin: 0; font-size: 1rem; color: #fff; }
.li-modal-close {
  background: none; border: none; color: var(--li-text-dim);
  font-size: 1.5rem; line-height: 1; cursor: pointer;
}
.li-modal-close:hover { color: #fff; }
.li-shortcuts-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  font-size: 0.82rem;
  color: var(--li-text);
}
.li-shortcuts-grid kbd {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  background: var(--li-surface-2);
  border: 1px solid var(--li-border-str);
  border-radius: 4px;
  font-size: 0.7rem;
}

.li-toast-host {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9500;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.li-toast {
  pointer-events: auto;
  min-width: 200px;
  max-width: 360px;
  padding: 0.7rem 1rem;
  border-radius: 10px;
  font-size: 0.84rem;
  color: #fff;
  background: rgba(20, 16, 10, 0.97);
  border: 1px solid var(--li-border-str);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s, transform 0.3s;
  cursor: pointer;
}
.li-toast.show { opacity: 1; transform: translateY(0); }
.li-toast.success { border-color: rgba(34, 197, 94, 0.5); }
.li-toast.error { border-color: rgba(239, 68, 68, 0.5); }
.li-toast.info { border-color: var(--li-accent-line); }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

@media (max-width: 860px) {
  .li-workspace { grid-template-columns: 1fr; }
  .li-panel { min-height: auto; }
}