/* YouTube Downloader - Desktop Styles */
/* تصميم عصري و نظيف مع دعم RTL */

:root {
    --primary: #ff4444;
    --primary-dark: #cc0000;
    --primary-light: #ff6666;
    --secondary: #282828;
    --secondary-light: #404040;
    --bg-dark: #0f0f0f;
    --bg-card: #1a1a1a;
    --bg-input: #222222;
    --text-primary: #ffffff;
    --text-secondary: #aaaaaa;
    --text-muted: #666666;
    --success: #00c853;
    --warning: #ffab00;
    --danger: #ff1744;
    --info: #448aff;
    --border: #333333;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Cairo', 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    direction: rtl;
}

.app-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, var(--secondary), var(--bg-card));
    border-radius: var(--radius);
    padding: 20px 24px;
    margin-bottom: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    box-shadow: 0 4px 12px rgba(255, 68, 68, 0.3);
}

.logo-text h1 {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(to left, var(--primary-light), var(--text-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-text p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.header-actions {
    display: flex;
    gap: 10px;
}

.btn-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--secondary-light);
    color: var(--text-primary);
    border-color: var(--primary);
}

/* Card */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    border-color: #444;
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--text-primary);
}

.section-header i {
    color: var(--primary);
    font-size: 18px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 700;
}

/* URL Input */
.url-input-group {
    display: flex;
    gap: 12px;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 48px 14px 16px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    font-family: 'Cairo', sans-serif;
    transition: var(--transition);
    direction: ltr;
    text-align: right;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.15);
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
    text-align: right;
    direction: rtl;
}

.btn-paste {
    position: absolute;
    left: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    font-size: 16px;
    transition: var(--transition);
}

.btn-paste:hover {
    color: var(--primary);
}

/* Buttons */
.btn-primary {
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 15px;
    font-weight: 700;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 68, 68, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    padding: 12px 24px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: var(--secondary-light);
}

.btn-danger {
    padding: 12px 28px;
    background: transparent;
    border: 2px solid var(--danger);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 14px;
    font-weight: 700;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    margin-top: 16px;
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

.btn-large {
    padding: 16px 36px;
    font-size: 17px;
}

/* Video Info */
.video-info-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 20px;
}

.video-thumbnail {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 16/9;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.duration-badge {
    position: absolute;
    bottom: 8px;
    left: 8px;
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}

.video-details h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.video-meta {
    display: flex;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 13px;
    margin-bottom: 12px;
}

.video-meta i {
    margin-left: 4px;
    color: var(--text-muted);
}

.video-description {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.6;
    max-height: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.option-group > label {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.option-group > label i {
    color: var(--primary);
}

.radio-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.radio-card {
    cursor: pointer;
}

.radio-card input {
    display: none;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 18px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
    transition: var(--transition);
}

.radio-card input:checked + .radio-label {
    border-color: var(--primary);
    background: rgba(255, 68, 68, 0.1);
    color: var(--primary);
}

.radio-label:hover {
    border-color: #555;
}

.flag {
    font-size: 16px;
}

.toggle-card {
    cursor: pointer;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.toggle-card input {
    display: none;
}

.toggle-label {
    position: relative;
    padding-right: 44px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.toggle-label::before {
    content: '';
    position: absolute;
    right: 0;
    top: 2px;
    width: 36px;
    height: 20px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: 10px;
    transition: var(--transition);
}

.toggle-label::after {
    content: '';
    position: absolute;
    right: 4px;
    top: 6px;
    width: 12px;
    height: 12px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition);
}

.toggle-card input:checked + .toggle-label::before {
    background: rgba(255, 68, 68, 0.2);
    border-color: var(--primary);
}

.toggle-card input:checked + .toggle-label::after {
    right: 20px;
    background: var(--primary);
}

/* Download Actions */
.download-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Progress */
.progress-container {
    margin-bottom: 24px;
}

.progress-bar {
    height: 12px;
    background: var(--bg-input);
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    border-radius: 6px;
    transition: width 0.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-secondary);
}

#progressPercent {
    color: var(--primary);
    font-weight: 700;
    font-size: 15px;
}

/* Steps */
.steps-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    margin-bottom: 20px;
    padding: 16px 0;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    min-width: 80px;
}

.step-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-input);
    border: 2px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-muted);
    transition: var(--transition);
}

.step span {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    font-weight: 600;
}

.step-connector {
    width: 40px;
    height: 2px;
    background: var(--border);
    margin: 0 4px;
    margin-bottom: 20px;
    transition: var(--transition);
}

/* Step States */
.step.active .step-icon {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(255, 68, 68, 0.1);
    animation: pulse 1.5s infinite;
}

.step.active span {
    color: var(--primary);
}

.step.completed .step-icon {
    border-color: var(--success);
    color: var(--success);
    background: rgba(0, 200, 83, 0.1);
}

.step.completed span {
    color: var(--success);
}

.step-connector.active {
    background: var(--primary);
}

.step-connector.completed {
    background: var(--success);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 68, 68, 0.3); }
    50% { box-shadow: 0 0 0 8px rgba(255, 68, 68, 0); }
}

.progress-message {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 8px;
}

/* Completed */
.completed-files {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.file-item:hover {
    border-color: var(--primary);
}

.file-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.file-icon.video {
    background: rgba(255, 68, 68, 0.15);
    color: var(--primary);
}

.file-icon.subtitle {
    background: rgba(68, 138, 255, 0.15);
    color: var(--info);
}

.file-info {
    flex: 1;
}

.file-info h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 2px;
}

.file-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.file-actions {
    display: flex;
    gap: 8px;
}

.btn-save {
    padding: 8px 16px;
    background: var(--primary);
    border: none;
    border-radius: 6px;
    color: white;
    font-size: 12px;
    font-weight: 600;
    font-family: 'Cairo', sans-serif;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.btn-save:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    width: 90%;
    max-width: 700px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-header h2 i {
    color: var(--primary);
}

.downloads-list {
    padding: 16px;
    overflow-y: auto;
    max-height: 60vh;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    border: 1px solid var(--border);
}

.download-item-icon {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.download-item-info {
    flex: 1;
}

.download-item-info h4 {
    font-size: 13px;
    font-weight: 600;
}

.download-item-info p {
    font-size: 11px;
    color: var(--text-muted);
}

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

.btn-sm {
    padding: 6px 12px;
    font-size: 11px;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    font-family: 'Cairo', sans-serif;
    font-weight: 600;
    transition: var(--transition);
}

.btn-sm.save {
    background: var(--primary);
    color: white;
}

.btn-sm.delete {
    background: transparent;
    border: 1px solid var(--danger);
    color: var(--danger);
}

.btn-sm:hover {
    opacity: 0.8;
}

/* Anti-Ban Info */
.anti-ban-info {
    padding: 20px;
}

.anti-ban-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
}

.anti-ban-item:last-child {
    border: none;
}

.anti-ban-item label {
    font-size: 13px;
    color: var(--text-secondary);
}

.anti-ban-item span {
    font-size: 13px;
    font-weight: 700;
}

.status-active {
    color: var(--success);
}

.status-warning {
    color: var(--warning);
}

/* Cookies Section */
.cookies-section {
    border-color: #444;
}

.cookies-section .section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.cookies-desc {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.6;
}

.cookies-desc strong {
    color: var(--primary);
}

.cookies-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: rgba(0, 200, 83, 0.1);
    border: 1px solid var(--success);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    font-size: 13px;
    color: var(--success);
    font-weight: 600;
}

.cookies-status.inactive {
    background: rgba(255, 68, 68, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.cookies-textarea-wrapper {
    position: relative;
}

.btn-paste-icon {
    position: absolute;
    left: 8px;
    top: 8px;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-muted);
    cursor: pointer;
    padding: 6px 10px;
    font-size: 14px;
    transition: var(--transition);
    line-height: 1;
}

.btn-paste-icon:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.cookies-detect {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 600;
}

.cookies-detect.success {
    background: rgba(0, 200, 83, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.cookies-detect.error {
    background: rgba(255, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.cookies-textarea {
    width: 100%;
    padding: 12px;
    background: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 12px;
    direction: ltr;
    text-align: left;
    resize: vertical;
    transition: var(--transition);
}

.cookies-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 68, 68, 0.15);
}

.cookies-textarea::placeholder {
    text-align: center;
    font-family: 'Cairo', sans-serif;
    color: var(--text-muted);
}

.cookies-input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 8px;
}

.cookies-actions {
    display: flex;
    gap: 10px;
}

.cookies-actions .btn-sm {
    padding: 10px 20px;
    font-size: 13px;
    font-family: 'Cairo', sans-serif;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}

.cookies-or {
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    margin: 12px 0;
    position: relative;
}

.cookies-or::before,
.cookies-or::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border);
}

.cookies-or::before { left: 0; }
.cookies-or::after { right: 0; }

.cookies-or span {
    background: var(--bg-card);
    padding: 0 12px;
    position: relative;
    z-index: 1;
}

.cookies-upload-group {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.cookies-filename {
    font-size: 12px;
    color: var(--text-muted);
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cookies-instructions {
    margin-top: 16px;
    font-size: 13px;
}

.cookies-instructions summary {
    cursor: pointer;
    color: var(--text-secondary);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 0;
}

.cookies-instructions summary:hover {
    color: var(--primary);
}

.cookies-instructions ol {
    margin-top: 10px;
    padding-right: 24px;
    color: var(--text-secondary);
    line-height: 2;
}

.cookies-instructions li {
    font-size: 13px;
}

.cookies-instructions a {
    color: var(--info);
    text-decoration: none;
}

.cookies-instructions a:hover {
    text-decoration: underline;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-active {
    background: rgba(0, 200, 83, 0.15);
    color: var(--success);
    border: 1px solid var(--success);
}

.badge-inactive {
    background: rgba(255, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid var(--danger);
}

/* Footer */
.app-footer {
    text-align: center;
    padding: 20px 0;
    color: var(--text-muted);
    font-size: 12px;
    margin-top: auto;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.card {
    animation: fadeIn 0.4s ease;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 24px;
    background: var(--secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    z-index: 2000;
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--danger);
}

.toast.info {
    border-color: var(--info);
}

/* Responsive */
@media (max-width: 768px) {
    .app-container {
        padding: 12px;
    }

    .video-info-grid {
        grid-template-columns: 1fr;
    }

    .options-grid {
        grid-template-columns: 1fr;
    }

    .url-input-group {
        flex-direction: column;
    }

    .steps-container {
        flex-wrap: wrap;
        gap: 8px;
    }

    .step-connector {
        width: 20px;
    }

    .download-actions {
        flex-direction: column;
    }

    .btn-large {
        width: 100%;
        justify-content: center;
    }
}