/* ========================================
   Converter Pro - التصميم الكامل (نسخة محدثة)
   ======================================== */

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

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #3b82f6;
    --secondary: #7c3aed;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --dark: #1e293b;
    --gray-dark: #334155;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --light: #f8fafc;
    --white: #ffffff;
    --bg-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

body {
    font-family: 'Cairo', 'Segoe UI', sans-serif;
    background: var(--bg-gradient);
    min-height: 100vh;
    color: var(--dark);
    transition: all 0.3s ease;
}

/* ========== الوضع المظلم ========== */
body.dark {
    --dark: #f1f5f9;
    --light: #0f172a;
    --gray-light: #475569;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #020617 100%);
}

body.dark .tool-card,
body.dark .upload-area,
body.dark .result-area,
body.dark .image-list,
body.dark .files-list,
body.dark .seo-description,
body.dark .policy-card,
body.dark .contact-method {
    background: #1e293b;
    color: #e2e8f0;
    border-color: #334155;
}

body.dark select,
body.dark input {
    background: #334155;
    color: #e2e8f0;
    border-color: #475569;
}

body.dark .upload-area:hover {
    background: #334155;
}

/* ========== زر تبديل الوضع ========== */
.theme-switch {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    z-index: 1000;
    transition: all 0.3s;
}

.theme-switch:hover {
    transform: scale(1.1);
}

.theme-switch i {
    font-size: 1.5rem;
    color: var(--primary);
}

/* ========== الحاوية الرئيسية ========== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px 40px;
}

/* ========== الهيدر ========== */
header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
}

.logo i {
    font-size: 3rem;
    color: var(--primary-light);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.logo h1 {
    font-size: 2.5rem;
    color: var(--white);
}

.logo h1 span {
    background: linear-gradient(135deg, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.tagline {
    color: rgba(255,255,255,0.8);
    font-size: 1rem;
}

/* ========== Breadcrumb للـ SEO ========== */
.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    color: rgba(255,255,255,0.6);
    font-size: 0.85rem;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--primary-light);
}

/* ========== وصف الـ SEO ========== */
.seo-description {
    background: var(--white);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 40px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.seo-description h2 {
    color: var(--primary);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.seo-description p {
    color: var(--gray);
    line-height: 1.8;
}

/* ========== بطاقات الأدوات ========== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 15px;
    margin-bottom: 40px;
}

.tool-card {
    background: var(--white);
    padding: 20px 15px;
    border-radius: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border: 2px solid transparent;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.tool-card.active {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
}

.tool-card.active i,
.tool-card.active span,
.tool-card.active small {
    color: var(--white);
}

.tool-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
    display: block;
}

.tool-card span {
    display: block;
    font-weight: 700;
    margin-bottom: 5px;
}

.tool-card small {
    font-size: 0.7rem;
    color: var(--gray);
}

/* ========== محتوى الأدوات ========== */
.tool-content {
    display: none;
    background: transparent;
    border-radius: 24px;
    padding: 0;
    margin-bottom: 40px;
}

.tool-content.active {
    display: block;
    animation: fadeInUp 0.5s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tool-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ========== منطقة الرفع ========== */
.upload-area {
    background: var(--white);
    border: 2px dashed var(--primary);
    border-radius: 24px;
    padding: 50px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    margin-bottom: 20px;
}

.upload-area:hover {
    border-color: var(--secondary);
    background: rgba(37, 99, 235, 0.05);
    transform: scale(1.02);
}

.upload-icon i {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.browse-btn {
    color: var(--primary);
    font-weight: bold;
    cursor: pointer;
}

.file-info {
    font-size: 0.75rem;
    color: var(--gray);
    margin-top: 10px;
}

.info-text {
    font-size: 0.7rem;
    color: var(--gray);
    margin-top: 5px;
}

/* ========== معاينة وقوائم ========== */
.image-list,
.files-list {
    background: var(--white);
    border-radius: 16px;
    padding: 15px;
    margin-bottom: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.image-item,
.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    border-bottom: 1px solid #e2e8f0;
}

.image-item img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
}

.remove-image,
.remove-file {
    background: var(--danger);
    color: var(--white);
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
}

/* ========== خيارات التحويل ========== */
.pdf-options,
.compress-options,
.merge-options,
.remove-options {
    background: rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 20px;
}

.option-group {
    margin-bottom: 15px;
}

.option-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--white);
}

.option-group select,
.option-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    font-size: 0.9rem;
    font-family: inherit;
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

.custom-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid rgba(255,255,255,0.2);
    border-radius: 12px;
    background: rgba(255,255,255,0.1);
    color: var(--white);
}

/* ========== مستويات الضغط ========== */
.level-buttons {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.level-btn {
    flex: 1;
    padding: 12px;
    border: 2px solid var(--primary);
    background: transparent;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
    color: var(--white);
}

.level-btn.active {
    background: var(--primary);
    color: var(--white);
}

/* ========== أزرار التحويل ========== */
.convert-btn,
.download-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    border: none;
    border-radius: 40px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.convert-btn:hover,
.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.convert-btn:disabled,
.download-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* ========== منطقة النتيجة ========== */
.result-area {
    background: var(--white);
    border-radius: 20px;
    padding: 25px;
    margin-top: 25px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.comparison-stats {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    padding: 15px;
    background: linear-gradient(135deg, #e0e7ff, #ede9fe);
    border-radius: 12px;
}

.stat {
    flex: 1;
    text-align: center;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--gray);
}

.stat-value {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--primary);
}

.images-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.gallery-image {
    text-align: center;
}

.gallery-image img {
    width: 100%;
    border-radius: 12px;
}

.sortable-list {
    margin-top: 15px;
}

.sortable-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: rgba(255,255,255,0.1);
    margin-bottom: 5px;
    border-radius: 8px;
    cursor: move;
}

/* ========== إعلانات ========== */
.ad-inline,
.ad-bottom {
    text-align: center;
    margin: 30px 0;
    background: rgba(255,255,255,0.05);
    padding: 15px;
    border-radius: 16px;
}

.ad-label {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.4);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.social-bar {
    text-align: center;
    margin: 20px 0;
}

/* ========== فوتر ========== */
footer {
    margin-top: 50px;
    text-align: center;
    color: rgba(255,255,255,0.7);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 15px 0;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.footer-links a:hover {
    color: var(--primary-light);
}

.copyright {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ========== صفحات الخصوصية ========== */
.policy-content,
.contact-content {
    background: var(--white);
    padding: 40px;
    border-radius: 24px;
    margin: 20px 0;
}

.policy-card {
    margin-bottom: 30px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 16px;
}

body.dark .policy-card {
    background: #1e293b;
}

.policy-card i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 10px;
}

.policy-card h2 {
    color: var(--primary);
    margin-bottom: 10px;
}

.highlight {
    color: var(--primary);
    font-weight: bold;
}

.contact-methods {
    display: grid;
    gap: 20px;
    margin: 30px 0;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 16px;
}

body.dark .contact-method {
    background: #1e293b;
}

.contact-method i {
    font-size: 2rem;
    color: var(--primary);
}

.contact-method a {
    color: var(--primary);
    text-decoration: none;
}

.contact-note {
    text-align: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 16px;
}

.back-link {
    display: inline-block;
    margin: 20px;
    color: var(--white);
    background: rgba(255,255,255,0.2);
    padding: 8px 20px;
    border-radius: 40px;
    text-decoration: none;
}

/* ========== شريط التقدم ========== */
.progress-container {
    background: rgba(255,255,255,0.1);
    border-radius: 50px;
    margin: 20px 0;
    padding: 5px;
    position: relative;
}

.progress-bar {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50px;
    height: 30px;
    width: 0%;
    transition: width 0.3s;
}

.progress-text {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
}

/* ========== استجابة للهواتف ========== */
@media (max-width: 768px) {
    .container {
        padding: 70px 15px 30px;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .tool-card {
        padding: 15px 10px;
    }

    .tool-card i {
        font-size: 1.5rem;
    }

    .tool-card span {
        font-size: 0.8rem;
    }

    .tool-card small {
        display: none;
    }

    .upload-area {
        padding: 30px;
    }

    .level-buttons {
        flex-direction: column;
    }

    .comparison-stats {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        gap: 10px;
    }

    .images-gallery {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

@media (max-width: 480px) {
    .logo i {
        font-size: 2rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    .tool-title {
        font-size: 1.2rem;
    }

    .option-group select,
    .option-group input {
        font-size: 0.8rem;
    }
}