/**
 * AI Influencer Video Creator - Frontend Styles
 */

/* Variables */
:root {
    --aivc-primary: #6366f1;
    --aivc-primary-hover: #4f46e5;
    --aivc-secondary: #64748b;
    --aivc-success: #10b981;
    --aivc-error: #ef4444;
    --aivc-warning: #f59e0b;
    --aivc-dark: #1e293b;
    --aivc-light: #f8fafc;
    --aivc-border: #e2e8f0;
    --aivc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --aivc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --aivc-radius: 12px;
    --aivc-radius-sm: 8px;
}

/* Container */
.aivc-creator-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

.aivc-creator-container {
    background: #fff;
    border-radius: var(--aivc-radius);
    box-shadow: var(--aivc-shadow-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.aivc-creator-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--aivc-primary), #a855f7, #ec4899);
}

.aivc-creator-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    color: var(--aivc-dark);
    margin: 0 0 30px;
}

/* Login Required */
.aivc-login-required {
    text-align: center;
    padding: 60px 20px;
}

.aivc-login-icon {
    color: var(--aivc-secondary);
    margin-bottom: 20px;
}

.aivc-login-required h3 {
    font-size: 24px;
    color: var(--aivc-dark);
    margin: 0 0 10px;
}

.aivc-login-required p {
    color: var(--aivc-secondary);
    margin: 0 0 25px;
}

/* Steps Indicator */
.aivc-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    padding: 0 20px;
}

.aivc-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.aivc-step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--aivc-border);
    color: var(--aivc-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
}

.aivc-step.active .aivc-step-number {
    background: var(--aivc-primary);
    color: #fff;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

.aivc-step.completed .aivc-step-number {
    background: var(--aivc-success);
    color: #fff;
}

.aivc-step-label {
    font-size: 13px;
    color: var(--aivc-secondary);
    font-weight: 500;
}

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

.aivc-step-connector {
    flex: 1;
    height: 2px;
    background: var(--aivc-border);
    margin: 0 15px;
    margin-bottom: 28px;
    max-width: 80px;
    transition: background 0.3s ease;
}

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

/* Upload Grid */
.aivc-upload-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 30px;
}

@media (max-width: 700px) {
    .aivc-upload-grid {
        grid-template-columns: 1fr;
    }
}

/* Upload Box */
.aivc-upload-box {
    border: 2px dashed var(--aivc-border);
    border-radius: var(--aivc-radius);
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
    background: var(--aivc-light);
    position: relative;
}

.aivc-upload-box:hover {
    border-color: var(--aivc-primary);
    background: rgba(99, 102, 241, 0.02);
}

.aivc-upload-box.dragover {
    border-color: var(--aivc-primary);
    background: rgba(99, 102, 241, 0.05);
    transform: scale(1.02);
}

.aivc-upload-box.has-file {
    border-style: solid;
    border-color: var(--aivc-success);
    background: rgba(16, 185, 129, 0.05);
}

.aivc-upload-icon {
    color: var(--aivc-secondary);
    margin-bottom: 15px;
}

.aivc-upload-box h3 {
    font-size: 18px;
    color: var(--aivc-dark);
    margin: 0 0 8px;
}

.aivc-upload-box > p {
    font-size: 14px;
    color: var(--aivc-secondary);
    margin: 0 0 20px;
    line-height: 1.5;
}

.aivc-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.aivc-upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.aivc-upload-hint {
    font-size: 12px;
    color: var(--aivc-secondary);
}

/* Upload Preview */
.aivc-upload-preview {
    position: relative;
    margin-top: 20px;
}

.aivc-upload-preview img,
.aivc-upload-preview video {
    max-width: 100%;
    max-height: 200px;
    border-radius: var(--aivc-radius-sm);
    box-shadow: var(--aivc-shadow);
}

.aivc-remove-file {
    position: absolute;
    top: -10px;
    right: calc(50% - 100px);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--aivc-error);
    color: #fff;
    border: none;
    font-size: 20px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.aivc-remove-file:hover {
    transform: scale(1.1);
}

/* Buttons */
.aivc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--aivc-radius-sm);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.aivc-btn-primary {
    background: var(--aivc-primary);
    color: #fff;
}

.aivc-btn-primary:hover {
    background: var(--aivc-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--aivc-shadow);
}

.aivc-btn-primary:disabled {
    background: var(--aivc-border);
    color: var(--aivc-secondary);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.aivc-btn-secondary {
    background: var(--aivc-light);
    color: var(--aivc-dark);
    border: 1px solid var(--aivc-border);
}

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

.aivc-btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

/* Form Actions */
.aivc-form-actions {
    text-align: center;
    margin-top: 20px;
}

/* Spinner */
.aivc-spinner {
    width: 20px;
    height: 20px;
    animation: aivc-spin 1s linear infinite;
}

.aivc-spinner circle {
    stroke-dasharray: 50;
    stroke-dashoffset: 20;
}

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

/* Tips */
.aivc-tips {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(168, 85, 247, 0.05) 100%);
    border-radius: var(--aivc-radius-sm);
    padding: 20px 25px;
    margin-top: 10px;
}

.aivc-tips h4 {
    font-size: 15px;
    color: var(--aivc-dark);
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.aivc-tips h4::before {
    content: '💡';
}

.aivc-tips ul {
    margin: 0;
    padding-left: 20px;
}

.aivc-tips li {
    font-size: 14px;
    color: var(--aivc-secondary);
    line-height: 1.7;
}

/* Prompt Section */
.aivc-prompt-section {
    margin: 25px 0;
    padding: 20px;
    background: var(--aivc-background);
    border-radius: 12px;
}

.aivc-prompt-section h4 {
    margin: 0 0 10px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--aivc-text);
}

.aivc-prompt-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--aivc-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    resize: vertical;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.aivc-prompt-input:focus {
    outline: none;
    border-color: var(--aivc-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.aivc-prompt-input::placeholder {
    color: #9ca3af;
}

.aivc-prompt-hint {
    margin: 8px 0 0 0;
    font-size: 13px;
    color: var(--aivc-secondary);
}

/* Processing Step */
.aivc-processing {
    text-align: center;
    padding: 40px 20px;
}

.aivc-processing-animation {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 30px;
}

.aivc-processing-circle {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--aivc-primary);
    animation: aivc-bounce 1.4s ease-in-out infinite;
}

.aivc-processing-circle:nth-child(2) {
    animation-delay: 0.2s;
}

.aivc-processing-circle:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes aivc-bounce {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.aivc-processing h3 {
    font-size: 22px;
    color: var(--aivc-dark);
    margin: 0 0 10px;
}

.aivc-processing > p {
    color: var(--aivc-secondary);
    margin: 0 0 30px;
}

/* Progress Bar */
.aivc-progress-bar {
    width: 100%;
    max-width: 400px;
    height: 8px;
    background: var(--aivc-border);
    border-radius: 4px;
    margin: 0 auto 30px;
    overflow: hidden;
}

.aivc-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--aivc-primary), #a855f7);
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Processing Steps */
.aivc-processing-steps {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.aivc-processing-step {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--aivc-secondary);
    opacity: 0.5;
    transition: all 0.3s ease;
}

.aivc-processing-step.active {
    opacity: 1;
    color: var(--aivc-primary);
}

.aivc-processing-step.completed {
    opacity: 1;
    color: var(--aivc-success);
}

.aivc-processing-step .aivc-step-icon {
    font-size: 18px;
}

.aivc-time-estimate {
    font-size: 13px;
    color: var(--aivc-secondary);
    font-style: italic;
}

/* Result Step */
.aivc-result {
    text-align: center;
    padding: 40px 20px;
}

.aivc-result-icon {
    margin-bottom: 20px;
}

.aivc-result-icon.success {
    color: var(--aivc-success);
}

.aivc-result-icon.error {
    color: var(--aivc-error);
}

.aivc-result h3 {
    font-size: 24px;
    color: var(--aivc-dark);
    margin: 0 0 20px;
}

.aivc-video-preview {
    margin: 30px 0;
}

.aivc-video-preview video {
    max-width: 100%;
    max-height: 400px;
    border-radius: var(--aivc-radius);
    box-shadow: var(--aivc-shadow-lg);
}

.aivc-result-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.aivc-result-error p {
    color: var(--aivc-secondary);
    margin: 0 0 25px;
}

/* Examples Section */
.aivc-examples {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--aivc-border);
}

.aivc-examples h3 {
    text-align: center;
    font-size: 22px;
    color: var(--aivc-dark);
    margin: 0 0 30px;
}

.aivc-examples-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

@media (max-width: 700px) {
    .aivc-examples-grid {
        grid-template-columns: 1fr;
    }
}

.aivc-example-step {
    text-align: center;
    padding: 25px 20px;
    background: var(--aivc-light);
    border-radius: var(--aivc-radius);
}

.aivc-example-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aivc-primary), #a855f7);
    color: #fff;
    font-size: 22px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.aivc-example-step h4 {
    font-size: 16px;
    color: var(--aivc-dark);
    margin: 0 0 8px;
}

.aivc-example-step p {
    font-size: 14px;
    color: var(--aivc-secondary);
    margin: 0;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 600px) {
    .aivc-creator-container {
        padding: 25px 20px;
    }
    
    .aivc-creator-title {
        font-size: 22px;
    }
    
    .aivc-steps {
        transform: scale(0.85);
    }
    
    .aivc-upload-box {
        padding: 25px 15px;
    }
    
    .aivc-btn-large {
        width: 100%;
    }
}