/* TikGo Downloader - Modern CSS */

:root {
    --tikgo-primary: #FF0050;
    --tikgo-secondary: #25F4EE;
    --tikgo-gradient: linear-gradient(135deg, #FF0050 0%, #25F4EE 100%);
    --tikgo-dark: #1a1a1a;
    --tikgo-light: #ffffff;
    --tikgo-gray: #f8f9fa;
    --tikgo-border: #e1e5e9;
    --tikgo-text: #333333;
    --tikgo-text-light: #666666;
    --tikgo-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --tikgo-shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --tikgo-radius: 16px;
    --tikgo-radius-sm: 8px;
    --tikgo-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Spinner Animation */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Main Container */
.tikgo-downloader-container {
    max-width: 600px;
    margin: 30px auto;
    padding: 0;
    background: var(--tikgo-light);
    border-radius: var(--tikgo-radius);
    box-shadow: var(--tikgo-shadow);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    overflow: hidden;
    position: relative;
}

.tikgo-downloader-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--tikgo-gradient);
}

/* Header */
.tikgo-header {
    padding: 30px 30px 20px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.tikgo-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 12px;
}

.tikgo-title {
    font-size: 24px;
    font-weight: 700;
    background: var(--tikgo-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.tikgo-subtitle {
    color: var(--tikgo-text-light);
    font-size: 16px;
    margin: 0;
    line-height: 1.5;
}

/* Input Group */
.tikgo-input-group {
    padding: 0 30px 30px;
    display: flex;
    gap: 12px;
    align-items: stretch;
}

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

.tikgo-input {
    width: 100%;
    padding: 16px 50px 16px 20px;
    border: 2px solid var(--tikgo-border);
    border-radius: var(--tikgo-radius-sm);
    font-size: 16px;
    font-weight: 500;
    transition: var(--tikgo-transition);
    box-sizing: border-box;
    background: var(--tikgo-light);
    color: var(--tikgo-text);
}

.tikgo-input:focus {
    outline: none;
    border-color: var(--tikgo-primary);
    box-shadow: 0 0 0 3px rgba(255, 0, 80, 0.1);
    transform: translateY(-1px);
}

.tikgo-input::placeholder {
    color: var(--tikgo-text-light);
    font-weight: 400;
}

.tikgo-paste-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    transition: var(--tikgo-transition);
    color: var(--tikgo-text-light);
}

.tikgo-paste-btn:hover {
    background: var(--tikgo-gray);
    color: var(--tikgo-primary);
    transform: translateY(-50%) scale(1.1);
}

.tikgo-download-btn {
    padding: 16px 24px;
    background: var(--tikgo-gradient);
    color: white;
    border: none;
    border-radius: var(--tikgo-radius-sm);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--tikgo-transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
    justify-content: center;
}

.tikgo-download-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--tikgo-shadow-hover);
}

.tikgo-download-btn:active:not(:disabled) {
    transform: translateY(0);
}

.tikgo-download-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Guide */
.tikgo-guide {
    padding: 0 30px 20px;
    text-align: center;
}

.tikgo-guide-text {
    color: var(--tikgo-text-light);
    font-size: 14px;
    margin: 0;
    cursor: pointer;
    transition: var(--tikgo-transition);
    padding: 8px 16px;
    border-radius: var(--tikgo-radius-sm);
    display: inline-block;
}

.tikgo-guide-text:hover {
    color: var(--tikgo-primary);
    background: rgba(255, 0, 80, 0.05);
}

/* Result Container */
.tikgo-result {
    border-top: 1px solid var(--tikgo-border);
    padding: 30px;
    background: var(--tikgo-gray);
}

/* Video Info */
.tikgo-video-info {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--tikgo-light);
    border-radius: var(--tikgo-radius-sm);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.tikgo-thumbnail-wrapper {
    position: relative;
    flex-shrink: 0;
    border-radius: var(--tikgo-radius-sm);
    overflow: hidden;
}

.tikgo-thumbnail {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--tikgo-radius-sm);
    transition: var(--tikgo-transition);
}

.tikgo-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.7);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--tikgo-transition);
}

.tikgo-thumbnail-wrapper:hover .tikgo-play-overlay {
    opacity: 1;
}

.tikgo-thumbnail-wrapper:hover .tikgo-thumbnail {
    transform: scale(1.05);
}

.tikgo-video-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tikgo-video-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--tikgo-text);
    margin: 0 0 8px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tikgo-video-author {
    color: var(--tikgo-text-light);
    font-size: 14px;
    margin: 0 0 12px 0;
    font-weight: 500;
}

.tikgo-stats {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.tikgo-stat {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--tikgo-text-light);
    font-size: 13px;
    font-weight: 500;
}

.tikgo-stat svg {
    opacity: 0.7;
}

/* Download Options */
.tikgo-download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 30px;
}

.tikgo-download-option {
    padding: 20px;
    border: 2px solid var(--tikgo-border);
    border-radius: var(--tikgo-radius-sm);
    background: var(--tikgo-light);
    cursor: pointer;
    transition: var(--tikgo-transition);
    position: relative;
    overflow: hidden;
}

.tikgo-download-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--tikgo-gradient);
    transform: scaleX(0);
    transition: var(--tikgo-transition);
}

.tikgo-download-option:hover {
    border-color: var(--tikgo-primary);
    transform: translateY(-4px);
    box-shadow: var(--tikgo-shadow);
}

.tikgo-download-option:hover::before {
    transform: scaleX(1);
}

.tikgo-option-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.tikgo-option-icon {
    width: 24px;
    height: 24px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 12px;
}

.tikgo-option-icon.video {
    background: var(--tikgo-primary);
}

.tikgo-option-icon.audio {
    background: var(--tikgo-secondary);
}

.tikgo-option-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--tikgo-text);
    margin: 0;
}

.tikgo-option-subtitle {
    font-size: 14px;
    color: var(--tikgo-text-light);
    margin: 0;
}

.tikgo-option-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--tikgo-border);
}

.tikgo-option-info {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--tikgo-text-light);
}

.tikgo-download-now {
    background: var(--tikgo-gradient);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--tikgo-transition);
}

.tikgo-download-now:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(255, 0, 80, 0.3);
}

.tikgo-download-now:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.tikgo-download-now:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Download Another */
.tikgo-download-another {
    text-align: center;
}

.tikgo-another-btn {
    padding: 12px 24px;
    background: transparent;
    color: var(--tikgo-primary);
    border: 2px solid var(--tikgo-primary);
    border-radius: var(--tikgo-radius-sm);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    transition: var(--tikgo-transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.tikgo-another-btn:hover {
    background: var(--tikgo-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 0, 80, 0.2);
}

/* Loading */
.tikgo-loading {
    text-align: center;
    padding: 60px 30px;
}

.tikgo-spinner {
    position: relative;
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
}

.tikgo-spinner-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top: 3px solid var(--tikgo-primary);
    border-radius: 50%;
    animation: tikgo-spin 1.5s linear infinite;
}

.tikgo-spinner-ring:nth-child(2) {
    animation-delay: 0.3s;
    border-top-color: var(--tikgo-secondary);
}

.tikgo-spinner-ring:nth-child(3) {
    animation-delay: 0.6s;
    border-top-color: var(--tikgo-primary);
}

@keyframes tikgo-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.tikgo-loading-text {
    color: var(--tikgo-text-light);
    margin: 0;
    font-size: 16px;
    font-weight: 500;
}

/* Dark Theme */
.tikgo-downloader-container.theme-dark {
    background: var(--tikgo-dark);
    color: var(--tikgo-light);
}

.tikgo-downloader-container.theme-dark .tikgo-header {
    background: linear-gradient(135deg, #2d2d2d 0%, #1a1a1a 100%);
}

.tikgo-downloader-container.theme-dark .tikgo-input {
    background: #2d2d2d;
    border-color: #404040;
    color: var(--tikgo-light);
}

.tikgo-downloader-container.theme-dark .tikgo-input:focus {
    border-color: var(--tikgo-primary);
    box-shadow: 0 0 0 3px rgba(255, 0, 80, 0.2);
}

.tikgo-downloader-container.theme-dark .tikgo-paste-btn:hover {
    background: #404040;
}

.tikgo-downloader-container.theme-dark .tikgo-result {
    background: #2d2d2d;
}

.tikgo-downloader-container.theme-dark .tikgo-video-info {
    background: #1a1a1a;
}

.tikgo-downloader-container.theme-dark .tikgo-video-title {
    color: var(--tikgo-light);
}

.tikgo-downloader-container.theme-dark .tikgo-download-option {
    background: #1a1a1a;
    border-color: #404040;
}

.tikgo-downloader-container.theme-dark .tikgo-download-option:hover {
    border-color: var(--tikgo-primary);
    background: #2d2d2d;
}

.tikgo-downloader-container.theme-dark .tikgo-option-title {
    color: var(--tikgo-light);
}

/* Minimal Theme */
.tikgo-downloader-container.theme-minimal {
    background: transparent;
    box-shadow: none;
    border: 1px solid var(--tikgo-border);
}

.tikgo-downloader-container.theme-minimal::before {
    display: none;
}

.tikgo-downloader-container.theme-minimal .tikgo-header {
    background: transparent;
    padding: 20px;
}

.tikgo-downloader-container.theme-minimal .tikgo-input {
    border: 1px solid var(--tikgo-border);
    border-radius: 4px;
}

.tikgo-downloader-container.theme-minimal .tikgo-download-btn {
    border-radius: 4px;
}

.tikgo-downloader-container.theme-minimal .tikgo-download-option {
    border-radius: 4px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tikgo-downloader-container {
        margin: 15px;
        border-radius: 12px;
    }
    
    .tikgo-header {
        padding: 20px 20px 15px;
    }
    
    .tikgo-title {
        font-size: 20px;
    }
    
    .tikgo-subtitle {
        font-size: 14px;
    }
    
    .tikgo-input-group {
        padding: 0 20px 20px;
        flex-direction: column;
    }
    
    .tikgo-download-btn {
        width: 100%;
        min-width: auto;
    }
    
    .tikgo-result {
        padding: 20px;
    }
    
    .tikgo-video-info {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .tikgo-thumbnail {
        width: 100px;
        height: 100px;
    }
    
    .tikgo-download-options {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .tikgo-stats {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .tikgo-downloader-container {
        margin: 10px;
    }
    
    .tikgo-header {
        padding: 15px 15px 10px;
    }
    
    .tikgo-input-group {
        padding: 0 15px 15px;
    }
    
    .tikgo-result {
        padding: 15px;
    }
    
    .tikgo-video-info {
        padding: 15px;
    }
    
    .tikgo-download-option {
        padding: 15px;
    }
}

/* Animation Classes */
.tikgo-fade-in {
    animation: tikgo-fade-in 0.5s ease-out;
}

@keyframes tikgo-fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.tikgo-slide-up {
    animation: tikgo-slide-up 0.3s ease-out;
}

@keyframes tikgo-slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Error States */
.tikgo-error {
    border-color: #ff4757 !important;
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.1) !important;
}

.tikgo-error-message {
    color: #ff4757;
    font-size: 14px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Success States */
.tikgo-success {
    border-color: #2ed573 !important;
    box-shadow: 0 0 0 3px rgba(46, 213, 115, 0.1) !important;
}