.nav-tools { display: flex; align-items: center; gap: 8px; }
  .lang-seg {
    display: inline-flex; padding: 3px; gap: 2px;
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--r-pill); backdrop-filter: blur(20px);
  }
  .lang-seg button {
    appearance: none; border: 0; background: transparent; cursor: pointer;
    font-family: var(--font-display); font-weight: 600; font-size: 12px;
    color: var(--text-dim); padding: 5px 11px; border-radius: var(--r-pill);
    transition: color .15s, background .2s;
  }
  .lang-seg button:hover { color: var(--text); }
  .lang-seg button[aria-pressed="true"] { background: var(--surface-2); color: var(--text); border: 1px solid var(--border-strong); }
  .theme-toggle {
    appearance: none; cursor: pointer; width: 36px; height: 36px;
    display: grid; place-items: center; border-radius: var(--r-pill);
    background: var(--surface); border: 1px solid var(--border-strong);
    color: var(--text); backdrop-filter: blur(12px); transition: background .2s;
  }
  .theme-toggle:hover { background: var(--surface-2); }
  .theme-toggle svg { width: 17px; height: 17px; }
  .theme-toggle .ico-sun { display: none; }
  [data-theme="light"] .theme-toggle .ico-sun { display: block; }
  [data-theme="light"] .theme-toggle .ico-moon { display: none; }

  /* Filter chips */
  .filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 24px; }
  .filter-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 16px; border-radius: var(--r-pill);
    background: var(--surface); border: 1px solid var(--border);
    font-family: var(--font-body); font-size: 13px; font-weight: 500;
    color: var(--text-dim); cursor: pointer; transition: all .18s;
  }
  .filter-chip:hover { background: var(--surface-2); color: var(--text); }
  .filter-chip.active { background: var(--surface-2); color: var(--text); border-color: var(--border-strong); }
  .filter-chip .dot { width: 8px; height: 8px; border-radius: 50%; }
  .dot-violet { background: #7C5CFF; }
  .dot-cyan { background: #22D3EE; }
  .dot-pink { background: #FF6B9A; }
  .dot-amber { background: #F5B544; }

  /* Script cards grid */
  .scripts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 18px; }

  /* Script card */
  .script-card {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--r-lg); overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
    cursor: pointer;
  }
  .script-card:hover { border-color: var(--border-strong); transform: translateY(-3px); box-shadow: var(--shadow-pop); }
  .script-card-head {
    padding: 20px 20px 16px;
    display: flex; flex-direction: column; gap: 10px;
  }
  .script-card-meta { display: flex; align-items: center; gap: 8px; }
  .script-card-title { font-family: var(--font-display); font-size: 17px; font-weight: 600; letter-spacing: -0.02em; }
  .script-card-sub { font-size: 12.5px; color: var(--text-dim); }
  .script-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
  .script-tag {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 10px; border-radius: var(--r-pill);
    font-family: var(--font-mono); font-size: 10px; font-weight: 500;
    background: var(--surface-2); color: var(--text-dim);
    border: 1px solid var(--border);
  }
  .script-card-body { padding: 0 20px 20px; }
  .script-outline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
  .outline-step {
    display: flex; gap: 10px; align-items: flex-start;
    padding: 9px 12px; border-radius: var(--r-md);
    background: var(--surface-2); border: 1px solid var(--border);
    font-size: 13px; line-height: 1.45;
  }
  .outline-step-num {
    width: 20px; height: 20px; border-radius: 50%; flex-shrink: 0;
    display: grid; place-items: center;
    font-family: var(--font-mono); font-size: 10px; font-weight: 600;
    background: var(--surface-3); color: var(--text-faint);
  }
  .outline-step-content { flex: 1; }
  .outline-step-content strong { font-weight: 600; color: var(--text); display: block; }
  .outline-step-content small { font-size: 11.5px; color: var(--text-dim); }
  .script-card-foot {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex; gap: 8px; align-items: center;
  }
  .script-card-foot .stat-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 4px 10px; border-radius: var(--r-pill);
    background: var(--surface-2); font-family: var(--font-mono); font-size: 10px; color: var(--text-dim);
  }
  .use-script-btn {
    margin-left: auto;
    appearance: none; border: 1px solid var(--border-strong); background: var(--surface-2);
    color: var(--text); font-family: var(--font-display); font-size: 12px; font-weight: 600;
    padding: 7px 16px; border-radius: var(--r-pill); cursor: pointer;
    transition: all .18s;
  }
  .use-script-btn:hover { background: var(--grad-primary); border-color: transparent; color: #fff; }

  /* Expanded card view */
  .script-expanded {
    position: fixed; inset: 0; z-index: 100;
    background: rgba(5,7,20,0.7); backdrop-filter: blur(12px);
    display: flex; align-items: center; justify-content: center; padding: 24px;
  }
  .script-expanded[hidden] { display: none; }
  .expanded-inner {
    background: var(--bg-deep); border: 1px solid var(--border-strong);
    border-radius: var(--r-xl); max-width: 720px; width: 100%; max-height: 90vh;
    overflow-y: auto; box-shadow: 0 24px 64px rgba(0,0,0,0.5);
  }
  .expanded-head {
    padding: 24px 28px 20px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: flex-start;
  }
  .expanded-close {
    width: 32px; height: 32px; display: grid; place-items: center;
    border-radius: 50%; border: 1px solid var(--border);
    background: var(--surface); cursor: pointer; color: var(--text-dim);
    font-size: 18px; font-family: var(--font-display); transition: all .15s;
  }
  .expanded-close:hover { background: var(--surface-2); color: var(--text); }
  .expanded-body { padding: 24px 28px; }
  .expanded-section { margin-bottom: 24px; }
  .expanded-section-title {
    font-family: var(--font-mono); font-size: 10px; color: var(--text-faint);
    letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 14px;
  }
  .script-full-outline { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  .full-step {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 14px 16px; border-radius: var(--r-md);
    background: var(--surface); border: 1px solid var(--border);
  }
  .full-step-num {
    width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
    display: grid; place-items: center;
    font-family: var(--font-mono); font-size: 12px; font-weight: 700;
    background: var(--surface-2); color: var(--text-dim);
  }
  .full-step-content strong { font-size: 14px; font-weight: 600; color: var(--text); display: block; margin-bottom: 3px; }
  .full-step-content p { font-size: 13px; color: var(--text-dim); margin: 0; line-height: 1.55; }
  .full-step-content .tip-box {
    margin-top: 8px; padding: 8px 12px; border-radius: 8px;
    background: rgba(124,92,255,0.1); border: 1px solid rgba(124,92,255,0.25);
    font-size: 12px; color: var(--violet-soft); line-height: 1.5;
  }
  .expanded-foot {
    padding: 18px 28px; border-top: 1px solid var(--border);
    display: flex; gap: 10px; justify-content: flex-end;
  }

@media (max-width: 640px) {
  .scripts-grid { grid-template-columns: 1fr; }
}