:root {
      --primary: #6C3EFF;
      --primary-dark: #4f28cc;
      --primary-glow: rgba(108, 62, 255, 0.15);
      --accent: #00D4AA;
      --bg: #0F0F1A;
      --surface: #1A1A2E;
      --surface2: #22223a;
      --border: rgba(255,255,255,0.09);
      --text: #F0EEFF;
      --muted: #8884AA;
      --success: #00D4AA;
      --radius: 20px;
    }

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

    body {
      font-family: 'Tajawal', 'Outfit', sans-serif;
      background: var(--bg);
      color: var(--text);
      min-height: 100vh;
      position: relative;
      overflow-x: hidden;
    }

    /* خلفية متحركة */
    body::before {
      content: '';
      position: fixed;
      top: -200px; left: -200px;
      width: 600px; height: 600px;
      background: radial-gradient(circle, rgba(108,62,255,0.18) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }
    body::after {
      content: '';
      position: fixed;
      bottom: -200px; right: -200px;
      width: 500px; height: 500px;
      background: radial-gradient(circle, rgba(0,212,170,0.12) 0%, transparent 70%);
      pointer-events: none;
      z-index: 0;
    }

    .app {
      position: relative;
      z-index: 1;
      max-width: 680px;
      margin: 0 auto;
      padding: 2.5rem 1.2rem 4rem;
    }

    /* ===== رأس الصفحة ===== */
    .header {
      text-align: center;
      margin-bottom: 2.5rem;
      animation: slideDown 0.6s ease both;
    }

    .header-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--primary-glow);
      border: 1px solid rgba(108,62,255,0.35);
      border-radius: 50px;
      padding: 6px 18px;
      font-size: 0.82rem;
      color: #b3a0ff;
      margin-bottom: 1rem;
      letter-spacing: 0.5px;
    }

    .header-badge span { font-size: 1rem; animation: spin 6s linear infinite; display: inline-block; }

    .header h1 {
      font-size: 2.4rem;
      font-weight: 800;
      background: linear-gradient(135deg, #fff 0%, #b3a0ff 60%, var(--accent) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      line-height: 1.2;
      margin-bottom: 0.5rem;
    }

    .header p {
      color: var(--muted);
      font-size: 0.95rem;
      letter-spacing: 2px;
    }

    /* ===== شريط اللغات ===== */
    .lang-bar {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin-bottom: 1.5rem;
      animation: slideUp 0.6s 0.1s ease both;
    }

    .lang-select {
      flex: 1;
      appearance: none;
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: 50px;
      padding: 11px 20px;
      font-size: 0.95rem;
      font-family: 'Tajawal', sans-serif;
      color: var(--text);
      cursor: pointer;
      transition: border-color 0.2s, box-shadow 0.2s;
      outline: none;
      text-align: center;
    }

    .lang-select:hover, .lang-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 4px var(--primary-glow);
    }

    .lang-select option { background: #1A1A2E; }

    .swap-btn {
      width: 46px; height: 46px;
      background: linear-gradient(135deg, var(--primary), var(--primary-dark));
      border: none;
      border-radius: 50%;
      color: #fff;
      font-size: 1.3rem;
      cursor: pointer;
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0;
      transition: transform 0.35s cubic-bezier(.4,2,.6,1), box-shadow 0.2s;
      box-shadow: 0 4px 18px rgba(108,62,255,0.45);
    }

    .swap-btn:hover { box-shadow: 0 6px 24px rgba(108,62,255,0.65); }
    .swap-btn.spin { transform: rotate(180deg); }

    /* ===== منطقة الترجمة العمودية ===== */
    .translator-stack {
      display: flex;
      flex-direction: column;
      gap: 12px;
      animation: slideUp 0.6s 0.2s ease both;
    }

    /* ===== البطاقة ===== */
    .card {
      background: var(--surface);
      border: 1.5px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
      transition: border-color 0.2s, box-shadow 0.2s;
    }

    .card:focus-within {
      border-color: rgba(108,62,255,0.5);
      box-shadow: 0 0 0 4px var(--primary-glow);
    }

    .card-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 18px 10px;
      border-bottom: 1px solid var(--border);
      background: var(--surface2);
    }

    .lang-tag {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 1.5px;
    }

    .lang-dot {
      width: 8px; height: 8px;
      border-radius: 50%;
      background: var(--primary);
      box-shadow: 0 0 8px var(--primary);
    }

    .result-card .lang-dot { background: var(--accent); box-shadow: 0 0 8px var(--accent); }
    .result-card .lang-tag { color: var(--accent); }

    .card-actions { display: flex; gap: 6px; }

    .icon-btn {
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 50px;
      padding: 5px 14px;
      font-size: 0.8rem;
      color: var(--muted);
      cursor: pointer;
      display: flex; align-items: center; gap: 5px;
      transition: all 0.18s;
      font-family: 'Tajawal', sans-serif;
    }

    .icon-btn:hover {
      background: var(--primary-glow);
      color: #b3a0ff;
      border-color: rgba(108,62,255,0.35);
    }

    .icon-btn:active { transform: scale(0.96); }

    .icon-btn.copied {
      background: rgba(0,212,170,0.12);
      color: var(--accent);
      border-color: rgba(0,212,170,0.35);
    }

    .icon-btn.speaking {
      background: rgba(255,180,50,0.12);
      color: #ffb432;
      border-color: rgba(255,180,50,0.35);
    }

    /* ===== خانة الكتابة والنتيجة ===== */
    .card-body { padding: 16px 18px 18px; }

    .text-area {
      width: 100%; min-height: 140px;
      border: none; outline: none; resize: vertical;
      font-size: 1.08rem;
      font-family: 'Tajawal', sans-serif;
      color: var(--text);
      background: transparent;
      line-height: 1.8;
    }

    .text-area::placeholder { color: var(--muted); opacity: 0.6; }

    .result-area {
      min-height: 140px;
      font-size: 1.08rem;
      font-family: 'Tajawal', sans-serif;
      color: var(--text);
      line-height: 1.8;
      white-space: pre-wrap;
      word-break: break-word;
    }

    /* ===== مؤشر السهم بين البطاقتين ===== */
    .divider-arrow {
      display: flex;
      justify-content: center;
      align-items: center;
      position: relative;
    }

    .arrow-circle {
      width: 40px; height: 40px;
      background: var(--surface2);
      border: 1.5px solid var(--border);
      border-radius: 50%;
      display: flex; align-items: center; justify-content: center;
      font-size: 1.1rem;
      color: var(--primary);
      box-shadow: 0 2px 12px rgba(0,0,0,0.3);
    }

    /* ===== Loading ===== */
    .loading {
      display: none;
      align-items: center;
      gap: 8px;
      color: var(--muted);
      font-size: 0.9rem;
      padding: 6px 0;
    }

    .loading.show { display: flex; }

    .dot {
      width: 7px; height: 7px;
      border-radius: 50%;
      background: var(--primary);
      animation: bounce 0.9s infinite ease-in-out;
    }

    .dot:nth-child(2) { animation-delay: 0.2s; background: #aa88ff; }
    .dot:nth-child(3) { animation-delay: 0.4s; background: var(--accent); }

    .empty-hint { color: var(--muted); font-size: 0.92rem; font-style: italic; opacity: 0.6; }

    /* ===== رسالة pop ===== */
    .pop { animation: pop 0.2s ease; }

    /* ===== Animations ===== */
    @keyframes slideDown {
      from { opacity: 0; transform: translateY(-24px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    @keyframes slideUp {
      from { opacity: 0; transform: translateY(20px); }
      to   { opacity: 1; transform: translateY(0); }
    }
    @keyframes bounce {
      0%, 100% { transform: translateY(0); }
      50%       { transform: translateY(-7px); }
    }
    @keyframes pop {
      0%   { transform: scale(1); }
      50%  { transform: scale(1.08); }
      100% { transform: scale(1); }
    }
    @keyframes spin {
      from { transform: rotate(0deg); }
      to   { transform: rotate(360deg); }
    }

    /* ===== Responsive ===== */
    @media (max-width: 480px) {
      .header h1 { font-size: 1.9rem; }
      .lang-select { font-size: 0.85rem; padding: 9px 14px; }
    }