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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    background: white;
    border-radius: 15px;
    padding: 30px;
    max-width: 650px;
    width: 100%;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    text-align: center;
    position: relative;
}

/* تحسينات شاملة للقائمة المنسدلة */
.lang-switch {
    position: absolute;
    top: 15px;
    right: 15px;
    z-index: 10;
    width: auto;
}

.lang-switch select {
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    background: white;
    font-size: 14px;
    cursor: pointer;
    max-width: 140px;
    text-overflow: ellipsis;
}

/* للغات التي تكتب من اليسار لليمين */
html[dir="ltr"] .lang-switch {
    right: auto;
    left: 15px;
}

h1 {
    color: #302b63;
    margin-bottom: 5px;
    font-size: 24px;
    padding: 0 50px;
    word-wrap: break-word;
}

.subtitle {
    color: #666;
    font-size: 13px;
    margin-bottom: 25px;
    padding: 0 50px;
}

.upload-area {
    border: 3px dashed #302b63;
    border-radius: 10px;
    padding: 40px 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-area:hover {
    background: #f0edff;
    border-color: #5548d9;
}

.upload-icon {
    font-size: 50px;
}

.file-info {
    background: #f5f3ff;
    margin-top: 15px;
    padding: 15px;
    border-radius: 8px;
    text-align: right;
}

.file-info ul {
    list-style: none;
    padding: 0;
}

.file-info li {
    margin: 5px 0;
}

.convert-section {
    margin-top: 20px;
}

select, button {
    width: 100%;
    padding: 14px;
    margin-top: 10px;
    border-radius: 8px;
    border: 2px solid #ddd;
    font-size: 16px;
    font-family: inherit;
    min-width: 48px;
    min-height: 48px;
}

button {
    background: #302b63;
    color: white;
    border: none;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

button:hover {
    background: #5548d9;
}

.ad-btn {
    background: #ff9800;
}
.ad-btn:hover {
    background: #f57c00;
}

.status {
    margin-top: 15px;
    padding: 10px;
    border-radius: 8px;
    display: none;
}

.status.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

.status.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

.download-option {
    margin-top: 15px;
    text-align: right;
}
.download-option label {
    display: block;
    margin: 5px 0;
    cursor: pointer;
    font-size: 14px;
}
.zip-note {
    color: #856404;
    background: #fff3cd;
    padding: 5px 10px;
    border-radius: 5px;
    display: inline-block;
    margin-top: 5px;
    font-size: 12px;
}

.subscription-section {
    margin-top: 30px;
    border-top: 1px solid #ddd;
    padding-top: 20px;
}

.plans {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.plan {
    flex: 1 1 150px;
    background: #f9f9ff;
    border-radius: 10px;
    padding: 15px;
    border: 1px solid #ddd;
    text-align: center;
}

.plan h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

.price {
    font-size: 18px;
    font-weight: bold;
    color: #302b63;
    margin-bottom: 10px;
}

.subscribe-btn {
    background: #4caf50;
    font-size: 14px;
}

.subscribe-btn:hover {
    background: #45a049;
}

html[dir="ltr"] .file-info,
html[dir="ltr"] .download-option {
    text-align: left;
}

/* ========== تنسيق الإعلان المنبثق ========== */
.ad-modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.8);
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
}
.ad-modal {
    background: white;
    border-radius: 15px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    text-align: center;
    position: relative;
}
.ad-timer {
    background: #302b63;
    color: white;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    line-height: 50px;
    font-size: 22px;
    font-weight: bold;
    margin: 0 auto 20px auto;
}
.ad-slide {
    display: none;
}
.ad-slide.active {
    display: block;
    animation: fadeIn 0.5s;
}
.ad-slide h2 {
    margin: 10px 0;
    color: #302b63;
}
.ad-slide p {
    color: #555;
}
#adCompleteBtn {
    margin-top: 20px;
    background: #4caf50;
    font-size: 16px;
}
#adCompleteBtn:disabled {
    background: #aaa;
    cursor: not-allowed;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 500px) {
    .container {
        padding: 20px;
    }
    .plan {
        flex: 1 1 100%;
    }
    h1 {
        font-size: 20px;
        padding: 0 40px;
    }
    .lang-switch select {
        max-width: 110px;
    }
}