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

    :root {
      --gold: #f0c05a;
      --gold-dim: rgba(240,192,90,0.12);
      --gold-border: rgba(240,192,90,0.4);
      --bg: #ffffff;
      --bg-card: #f7f6f3;
      --bg-hover: #f0efeb;
      --text: #1a1a1a;
      --text-muted: #555550;
      --text-dim: #b0afa9;
      --border: rgba(0,0,0,0.09);
      --border-strong: rgba(0,0,0,0.16);
      --black: #1a1a1a;
      --radius: 10px;
      --t: 0.18s ease;
    }

    html { scroll-behavior: smooth; }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Montserrat', sans-serif;
      font-size: 13px;
      line-height: 1.6;
      min-height: 100vh;
    }

    /* ── HEADER ── */
    header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 40px;
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      background: rgba(255,255,255,0.97);
      backdrop-filter: blur(12px);
      z-index: 100;
    }

    .logo {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 26px;
      letter-spacing: 0.18em;
      color: var(--gold);
    }
    .logo span {
      color: var(--text-dim);
      font-size: 10px;
      font-family: 'Montserrat', sans-serif;
      letter-spacing: 0.22em;
      font-weight: 600;
      text-transform: uppercase;
      margin-left: 14px;
      vertical-align: middle;
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 16px;
      border-radius: 6px;
      font-family: 'Montserrat', sans-serif;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      cursor: pointer;
      background: transparent;
      color: var(--text-muted);
      border: 1px solid var(--border);
      transition: all var(--t);
    }
    .btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

    /* ── LAYOUT ── */
    .app-shell {
      display: grid;
      grid-template-columns: 248px 1fr;
      min-height: calc(100vh - 65px);
    }

    /* ── SIDEBAR ── */
    .sidebar {
      border-right: 1px solid var(--border);
      padding: 28px 0;
      position: sticky;
      top: 65px;
      height: calc(100vh - 65px);
      overflow-y: auto;
    }

    .sidebar-title {
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.3em;
      text-transform: uppercase;
      color: var(--text-dim);
      padding: 0 22px 14px;
    }

    .tpl-item {
      display: flex;
      align-items: center;
      gap: 11px;
      padding: 11px 22px;
      cursor: pointer;
      transition: all var(--t);
      border-left: 2px solid transparent;
    }
    .tpl-item:hover { background: var(--bg-hover); border-left-color: var(--gold-border); }
    .tpl-item.active { background: var(--gold-dim); border-left-color: var(--gold); }
    .tpl-item.active .tpl-num { color: var(--gold); }
    .tpl-item.active .tpl-name { color: var(--black); font-weight: 600; }

    .tpl-num {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 15px;
      color: var(--text-dim);
      min-width: 20px;
      transition: color var(--t);
    }
    .tpl-name {
      font-size: 11.5px;
      font-weight: 500;
      color: var(--text-muted);
      transition: color var(--t);
      line-height: 1.3;
    }

    /* ── MAIN ── */
    .main-content { padding: 36px 44px 48px; }

    /* Template header */
    .tpl-header { margin-bottom: 28px; }
    .tpl-tag {
      display: inline-block;
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.25em;
      text-transform: uppercase;
      color: var(--gold);
      border: 1px solid var(--gold-border);
      background: var(--gold-dim);
      border-radius: 4px;
      padding: 3px 9px;
      margin-bottom: 12px;
    }
    .tpl-header h2 {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 36px;
      letter-spacing: 0.04em;
      color: var(--black);
      margin-bottom: 6px;
    }
    .tpl-header p { font-size: 13px; color: var(--text-muted); }

    /* ── STEPPER ── */
    .stepper {
      display: flex;
      align-items: center;
      gap: 0;
      margin-bottom: 24px;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
    }

    .step {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 3px;
      padding: 12px 8px;
      cursor: pointer;
      transition: all var(--t);
      border-right: 1px solid var(--border);
      background: var(--bg-card);
      position: relative;
    }
    .step:last-child { border-right: none; }
    .step:hover { background: var(--bg-hover); }

    .step.active {
      background: var(--black);
    }
    .step.done {
      background: var(--gold-dim);
    }

    .step-letter {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 20px;
      letter-spacing: 0.08em;
      color: var(--text-dim);
      transition: color var(--t);
      line-height: 1;
    }
    .step.active .step-letter { color: var(--gold); }
    .step.done .step-letter { color: var(--gold); }

    .step-name {
      font-size: 8.5px;
      font-weight: 600;
      letter-spacing: 0.15em;
      text-transform: uppercase;
      color: var(--text-dim);
      transition: color var(--t);
    }
    .step.active .step-name { color: rgba(255,255,255,0.7); }
    .step.done .step-name { color: var(--gold); }

    .step-check {
      position: absolute;
      top: 6px;
      right: 8px;
      width: 14px;
      height: 14px;
      background: var(--gold);
      border-radius: 50%;
      display: none;
      align-items: center;
      justify-content: center;
    }
    .step-check svg { width: 8px; height: 8px; }
    .step.done .step-check { display: flex; }

    /* ── ELEMENT PANEL ── */
    .element-panel {
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      margin-bottom: 20px;
    }

    .panel-top {
      display: flex;
      align-items: center;
      gap: 0;
      border-bottom: 1px solid var(--border);
    }

    .panel-letter {
      font-family: 'Bebas Neue', sans-serif;
      font-size: 28px;
      color: var(--gold);
      background: var(--gold-dim);
      border-right: 1px solid var(--gold-border);
      width: 64px;
      height: 64px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      letter-spacing: 0.06em;
    }

    .panel-meta { flex: 1; padding: 0 20px; }
    .panel-label {
      font-size: 14px;
      font-weight: 700;
      color: var(--black);
      letter-spacing: 0.02em;
    }
    .panel-sublabel { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

    .panel-body { padding: 20px; }

    /* Input */
    .input-wrap { position: relative; margin-bottom: 20px; }
    .el-input {
      width: 100%;
      background: var(--bg);
      border: 1.5px solid var(--border-strong);
      border-radius: 8px;
      padding: 11px 40px 11px 14px;
      color: var(--text);
      font-family: 'Montserrat', sans-serif;
      font-size: 12.5px;
      outline: none;
      transition: border-color var(--t);
    }
    .el-input::placeholder { color: var(--text-dim); }
    .el-input:focus { border-color: var(--gold); }

    .input-clear {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      background: none;
      border: none;
      color: var(--text-dim);
      cursor: pointer;
      font-size: 18px;
      line-height: 1;
      display: none;
      transition: color var(--t);
      padding: 0 2px;
    }
    .input-clear:hover { color: var(--text-muted); }

    /* Chip groups */
    .chip-group { margin-bottom: 16px; }
    .chip-group:last-child { margin-bottom: 0; }
    .cg-label {
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--text-dim);
      margin-bottom: 9px;
    }
    .chips { display: flex; flex-wrap: wrap; gap: 6px; }

    .chip {
      padding: 5px 12px;
      border-radius: 20px;
      border: 1px solid var(--border-strong);
      background: transparent;
      color: var(--text-muted);
      font-family: 'Montserrat', sans-serif;
      font-size: 11px;
      font-weight: 500;
      cursor: pointer;
      transition: all var(--t);
      white-space: nowrap;
      user-select: none;
    }
    .chip:hover { border-color: var(--gold); color: var(--black); background: var(--gold-dim); }
    .chip.on { border-color: var(--black); color: #fff; background: var(--black); }

    /* ── STEP NAVIGATION ── */
    .step-nav {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 28px;
    }

    .nav-btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 22px;
      border-radius: 8px;
      font-family: 'Montserrat', sans-serif;
      font-size: 11px;
      font-weight: 700;
      letter-spacing: 0.1em;
      text-transform: uppercase;
      cursor: pointer;
      border: none;
      transition: all var(--t);
    }

    .nav-back {
      background: var(--bg-card);
      color: var(--text-muted);
      border: 1px solid var(--border-strong);
    }
    .nav-back:hover:not(:disabled) { background: var(--bg-hover); color: var(--black); }
    .nav-back:disabled { opacity: 0.35; cursor: not-allowed; }

    .nav-next {
      background: var(--black);
      color: #fff;
    }
    .nav-next:hover { background: #333; transform: translateY(-1px); }
    .nav-next.finish { background: var(--gold); color: var(--black); }
    .nav-next.finish:hover { background: #e8b84a; transform: translateY(-1px); }

    .step-counter {
      font-size: 11px;
      font-weight: 600;
      color: var(--text-dim);
      letter-spacing: 0.05em;
    }
    .step-counter strong { color: var(--black); }

    /* ── PROMPT ── */
    .prompt-section {
      border: 1.5px solid var(--gold-border);
      border-radius: var(--radius);
      background: var(--bg-card);
      overflow: hidden;
    }

    .prompt-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 13px 20px;
      border-bottom: 1px solid var(--gold-border);
      background: var(--gold-dim);
    }

    .prompt-top-left { display: flex; align-items: center; gap: 10px; }
    .prompt-label {
      font-size: 9px;
      font-weight: 700;
      letter-spacing: 0.28em;
      text-transform: uppercase;
      color: var(--gold);
    }

    .p-dots { display: flex; gap: 5px; align-items: center; }
    .p-dot {
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--text-dim);
      transition: background var(--t);
    }
    .p-dot.on { background: var(--gold); }

    .prompt-body { padding: 18px 20px; }
    .prompt-text {
      font-size: 13px;
      line-height: 1.75;
      color: var(--text);
      min-height: 52px;
      word-break: break-word;
    }
    .prompt-text .pt-empty { color: var(--text-dim); font-style: italic; }
    .prompt-text .pt-sep { color: var(--text-dim); margin: 0 1px; }
    .prompt-text .pt-ar { color: var(--gold); font-weight: 700; }

    .prompt-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 13px 20px;
      border-top: 1px solid var(--border);
    }

    .btn-copy {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 20px;
      border-radius: 8px;
      font-family: 'Montserrat', sans-serif;
      font-size: 10px;
      font-weight: 700;
      letter-spacing: 0.14em;
      text-transform: uppercase;
      border: none;
      cursor: pointer;
      background: var(--black);
      color: #fff;
      transition: all var(--t);
    }
    .btn-copy:hover { background: #333; transform: translateY(-1px); }
    .btn-copy.ok { background: #3d9e62; }

    .btn-clear {
      display: inline-flex;
      align-items: center;
      padding: 9px 16px;
      border-radius: 8px;
      font-family: 'Montserrat', sans-serif;
      font-size: 10px;
      font-weight: 600;
      letter-spacing: 0.12em;
      text-transform: uppercase;
      border: 1px solid var(--border-strong);
      cursor: pointer;
      background: transparent;
      color: var(--text-muted);
      transition: all var(--t);
    }
    .btn-clear:hover { color: var(--black); border-color: var(--black); }

    .ar-wrap { margin-left: auto; display: flex; align-items: center; gap: 8px; }
    .ar-label {
      font-size: 9px; font-weight: 700;
      letter-spacing: 0.2em; text-transform: uppercase;
      color: var(--text-dim);
    }
    .ar-select {
      background: var(--bg);
      border: 1px solid var(--border-strong);
      border-radius: 6px;
      padding: 7px 10px;
      color: var(--text);
      font-family: 'Montserrat', sans-serif;
      font-size: 11px;
      font-weight: 600;
      outline: none;
      cursor: pointer;
      transition: border-color var(--t);
    }
    .ar-select:focus { border-color: var(--gold); }

    /* Example */
    .example-block {
      margin-top: 16px;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 15px 20px;
      background: var(--bg-card);
    }
    .ex-label {
      font-size: 9px; font-weight: 700;
      letter-spacing: 0.28em; text-transform: uppercase;
      color: var(--text-dim); margin-bottom: 7px;
    }
    .ex-text { font-size: 12px; color: var(--text-muted); line-height: 1.6; font-style: italic; }

    /* Scrollbar */
    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

    /* Toast */
    .toast {
      position: fixed;
      bottom: 32px; left: 50%;
      transform: translateX(-50%) translateY(80px);
      background: var(--black);
      color: #fff;
      font-family: 'Montserrat', sans-serif;
      font-size: 12px; font-weight: 700;
      letter-spacing: 0.1em;
      padding: 12px 24px;
      border-radius: 8px;
      z-index: 1000;
      transition: transform 0.28s ease;
      pointer-events: none;
    }
    .toast.show { transform: translateX(-50%) translateY(0); }

    @media (max-width: 768px) {
      header { padding: 16px 20px; }
      .app-shell { grid-template-columns: 1fr; }
      .sidebar {
        position: static; height: auto;
        border-right: none; border-bottom: 1px solid var(--border);
        padding: 16px 0; overflow-x: auto;
      }
      .sidebar > div:last-child { display: flex; overflow-x: auto; padding: 0 16px; gap: 0; }
      .tpl-item { min-width: max-content; border-left: none; border-bottom: 2px solid transparent; flex-direction: column; gap: 2px; padding: 8px 12px; }
      .tpl-item.active { border-bottom-color: var(--gold); border-left-color: transparent; }
      .main-content { padding: 24px 20px; }
    }