/* ========== المتغيرات العامة ========== */
[data-tool="html-to-pdf"] {
    --primary: #10b981;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary: #64748b;
    --secondary-dark: #475569;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg: #ffffff;
    --bg-alt: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --radius: 0.75rem;
    --radius-sm: 0.5rem;
    --transition: all 0.2s ease;
}

/* الوضع الداكن (حسب تفضيل النظام) */
@media (prefers-color-scheme: dark) {
    [data-tool="html-to-pdf"] {
        --bg: #0f172a;
        --bg-alt: #1e293b;
        --card-bg: #1e293b;
        --text: #f1f5f9;
        --text-light: #94a3b8;
        --border: #334155;
    }
}

/* ========== الحاوية الرئيسية ========== */
[data-tool="html-to-pdf"] {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem;
    font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
}

/* ========== حاوية المحول ========== */
[data-tool="html-to-pdf"] .converter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
}

[data-tool="html-to-pdf"] .input-section,
[data-tool="html-to-pdf"] .settings-section {
    flex: 1;
    min-width: 300px;
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

/* ========== العناوين ========== */
[data-tool="html-to-pdf"] .section-title2 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    padding: 1rem 1.5rem;
    margin: 0;
    background: var(--bg-alt);
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

/* ========== أزرار التبويب ========== */
[data-tool="html-to-pdf"] .tab-buttons {
    display: flex;
    gap: 0.5rem;
    padding: 1rem 1.5rem 0 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-alt);
}

[data-tool="html-to-pdf"] .tab-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: var(--transition);
}

[data-tool="html-to-pdf"] .tab-btn:hover {
    background: var(--border);
    color: var(--text);
}

[data-tool="html-to-pdf"] .tab-btn.active {
    background: var(--primary);
    color: white;
}

/* ========== محتوى التبويبات ========== */
[data-tool="html-to-pdf"] .tab-content {
    display: none;
    padding: 1.5rem;
    animation: fadeIn 0.3s ease;
}

[data-tool="html-to-pdf"] .tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ========== منطقة تحرير HTML ========== */
[data-tool="html-to-pdf"] textarea[data-role="html-textarea"] {
    width: 100%;
    min-height: 300px;
    padding: 1rem;
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.8rem;
    line-height: 1.5;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    resize: vertical;
}

[data-tool="html-to-pdf"] textarea[data-role="html-textarea"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* ========== Upload Area (PRO STYLE مثل أدوات PDF) ========== */
[data-tool="html-to-pdf"] .upload-area {
    border: 2px dashed #3b82f6;
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    background: #f8fafc;
    transition: all 0.25s ease;
    max-width: 500px;
    margin: 0 auto;
}

/* Hover */
[data-tool="html-to-pdf"] .upload-area:hover {
    border-color: #2563eb;
    background: #eef2ff;
}

/* Active (drag) */
[data-tool="html-to-pdf"] .upload-area.active {
    border-color: #4f46e5;
    background: rgba(79, 70, 229, 0.08);
}

[data-tool="html-to-pdf"] .upload-icon {
    font-size: 48px;
    color: #3b82f6;
    margin-bottom: 15px;
}

[data-tool="html-to-pdf"] .upload-text {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
}

[data-tool="html-to-pdf"] .upload-hint {
    font-size: 13px;
    color: #6b7280;
    margin-bottom: 15px;
}

[data-tool="html-to-pdf"] .upload-btn {
    display: inline-block;
    background: #10b981;
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: 0.2s;
}

[data-tool="html-to-pdf"] .upload-btn:hover {
    background: #059669;
}

[data-tool="html-to-pdf"] .file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

[data-tool="html-to-pdf"] .hidden {
    display: none;
}

/* ========== النماذج والإدخالات ========== */
[data-tool="html-to-pdf"] .form-group {
    margin-bottom: 1rem;
}

[data-tool="html-to-pdf"] .form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-light);
    margin-bottom: 0.25rem;
}

[data-tool="html-to-pdf"] .form-control,
[data-tool="html-to-pdf"] .form-select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.875rem;
    transition: var(--transition);
}

[data-tool="html-to-pdf"] .form-control:focus,
[data-tool="html-to-pdf"] .form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

[data-tool="html-to-pdf"] .form-check {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

[data-tool="html-to-pdf"] .form-check-input {
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

[data-tool="html-to-pdf"] .form-check-label {
    font-size: 0.875rem;
    cursor: pointer;
}

/* ========== الأزرار ========== */
[data-tool="html-to-pdf"] .action-buttons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

[data-tool="html-to-pdf"] .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    background: var(--secondary);
    color: white;
}

[data-tool="html-to-pdf"] .btn:hover {
    transform: translateY(-1px);
    filter: brightness(0.95);
}

[data-tool="html-to-pdf"] .btn-primary {
    background: var(--primary);
}

[data-tool="html-to-pdf"] .btn-success {
    background: var(--success);
}

[data-tool="html-to-pdf"] .btn-secondary {
    background: var(--secondary);
}

[data-tool="html-to-pdf"] .btn-danger {
    background: var(--danger);
}

[data-tool="html-to-pdf"] .btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ========== رسالة الحالة ========== */
[data-tool="html-to-pdf"] .status-message {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    display: block;
}

[data-tool="html-to-pdf"] .status-message.success {
    background: #d1fae5;
    color: #065f46;
}

[data-tool="html-to-pdf"] .status-message.error {
    background: #fee2e2;
    color: #991b1b;
}

[data-tool="html-to-pdf"] .status-message.processing {
    background: #e0e7ff;
    color: #3730a3;
}

/* ========== مؤشر التحميل (spinner) ========== */
[data-tool="html-to-pdf"] .spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========== تنسيقات الحقول المخصصة ========== */
[data-tool="html-to-pdf"] #custom-size-group {
    display: flex;
    gap: 1rem;
}

/* ========== تحسين للشاشات الصغيرة ========== */
@media (max-width: 768px) {
    [data-tool="html-to-pdf"] {
        padding: 1rem;
    }
    [data-tool="html-to-pdf"] .converter-container {
        flex-direction: column;
    }
    [data-tool="html-to-pdf"] .tab-buttons {
        flex-wrap: wrap;
    }
    [data-tool="html-to-pdf"] .action-buttons {
        flex-direction: column;
    }
    [data-tool="html-to-pdf"] .btn {
        justify-content: center;
    }
    [data-tool="html-to-pdf"] #custom-size-group {
        flex-direction: column;
    }
}