:root {
      --bg: #0f172a;
      --card: #1e293b;
      --text: #e2e8f0;
      --accent: #3b82f6;
      --accent-hover: #2563eb;
      --border: #334155;
      --gray: #475569;
      --success: #10b981;
      --error: #ef4444;
      --gold: #fbbf24;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      padding: 2rem 1rem;
      background: var(--bg);
      color: var(--text);
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
      line-height: 1.6;
    }
    .container {
      max-width: 1200px;
      margin: 0 auto;
    }
    h1 {
      text-align: center;
      color: #fff;
      margin-bottom: 0.5rem;
      font-weight: 700;
      font-size: 2rem;
    }
    .subtitle {
      text-align: center;
      color: #94a3b8;
      margin-bottom: 2rem;
      font-size: 1rem;
    }

    /* Write Review Button */
    .write-btn {
      display: block;
      margin: 1.5rem auto;
      background: var(--accent);
      color: white;
      border: none;
      padding: 0.75rem 1.5rem;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      font-size: 1rem;
      transition: background 0.2s;
    }
    .write-btn:hover { background: var(--accent-hover); }

    /* 3-Column Grid */
    .reviews-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 1.5rem;
      margin-top: 2rem;
    }
    @media (max-width: 1024px) {
      .reviews-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 640px) {
      .reviews-grid { grid-template-columns: 1fr; }
    }

    .review {
      background: #273549;
      padding: 1.5rem;
      border-radius: 12px;
      border: 1px solid var(--border);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .review-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 0.75rem;
    }
    .review-header strong { color: #fff; font-weight: 600; }
    .rating {
      color: var(--gold);
      font-size: 1.1rem;
      letter-spacing: 2px;
    }
    .review p {
      margin: 0.75rem 0;
      color: #cbd5e1;
      flex-grow: 1;
    }
    .actions {
      display: flex;
      gap: 1rem;
      margin-top: auto;
    }
    .actions button {
      background: none;
      color: #94a3b8;
      font-size: 1.1rem;
      padding: 0.25rem 0.5rem;
      border-radius: 6px;
      width: auto;
      transition: color 0.2s;
      cursor: pointer;
    }
    .actions button:hover { color: var(--accent); }
    .like-count { margin-left: 0.25rem; font-weight: 600; }

    .replies { margin-left: 1.5rem; margin-top: 1rem; }
    .reply {
      background: #334155;
      padding: 0.75rem;
      border-radius: 8px;
      margin-bottom: 0.5rem;
      border: 1px solid var(--border);
      font-size: 0.9rem;
    }
    .reply strong { color: #e2e8f0; }
    .reply small { color: #94a3b8; }

    .reply-form {
      margin-top: 1rem;
      display: none;
      background: #334155;
      padding: 1rem;
      border-radius: 8px;
      border: 1px solid var(--border);
    }
    .reply-form.show { display: block; }
    .reply-form input, .reply-form textarea { margin-bottom: 0.75rem; width: 100%; }

    /* Modal */
    .modal {
      display: none;
      position: fixed;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(0,0,0,0.7);
      backdrop-filter: blur(5px);
      align-items: center;
      justify-content: center;
      z-index: 1000;
      padding: 1rem;
    }
    .modal.show { display: flex; }
    .modal-content {
      background: var(--card);
      border-radius: 16px;
      padding: 2rem;
      width: 100%;
      max-width: 500px;
      border: 1px solid var(--border);
      position: relative;
    }

    /* Smaller, Circular Close Button */
    .close-btn {
      position: absolute;
      top: 1rem;
      right: 1rem;
      background: #334155;
      border: none;
      color: #94a3b8;
      font-size: 1rem;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.2s;
      font-weight: bold;
    }
    .close-btn:hover {
      background: #475569;
      color: #fff;
    }

    .form-group { margin-bottom: 1.2rem; }
    label { display: block; margin-bottom: 0.5rem; font-weight: 600; color: #cbd5e1; }
    input, textarea, select {
      width: 100%;
      padding: 0.75rem;
      background: #334155;
      border: 1px solid var(--border);
      border-radius: 8px;
      color: #fff;
      font-size: 1rem;
    }
    input:focus, textarea:focus, select:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.3);
    }
    .modal button {
      background: var(--accent);
      color: white;
      border: none;
      padding: 0.75rem 1.5rem;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      width: 100%;
      margin-top: 1rem;
    }
    .modal button:hover { background: var(--accent-hover); }
    .success { color: var(--success); text-align: center; margin: 1rem 0; font-weight: 600; }
    .error { color: var(--error); text-align: center; font-weight: 600; }