/* Submit Page Styles */

/* Light mode defaults */
:root {
    --submit-hero-bg: linear-gradient(135deg, #1a1a2e 0%, #0052cc 50%, #0066ff 100%);
    --submit-section-bg: var(--bg-light);
    --submit-form-bg: var(--bg-card);
    --submit-form-border: var(--border-color);
    --submit-text: var(--text-dark);
    --submit-text-muted: var(--text-light);
    --submit-text-white: var(--text-dark);
    --submit-input-bg: var(--bg-card);
    --submit-input-border: var(--border-color);
    --submit-accent: var(--primary-color);
}

/* Dark mode overrides */
@media (prefers-color-scheme: dark) {
    :root {
        --submit-hero-bg: linear-gradient(135deg, #0a1628 0%, #1a2a4a 50%, #0d2137 100%);
        --submit-section-bg: var(--bg-dark);
        --submit-form-bg: var(--bg-card);
        --submit-form-border: var(--border-color);
        --submit-text: var(--text-dark);
        --submit-text-muted: var(--text-light);
        --submit-text-white: var(--text-white);
        --submit-input-bg: var(--bg-light);
        --submit-input-border: var(--border-color);
        --submit-accent: var(--accent-color);
    }
}

/* Submit Hero */
.submit-hero {
    position: relative;
    padding: 80px 0 60px;
    background: var(--submit-hero-bg);
    overflow: hidden;
}

.submit-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(0, 200, 255, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(102, 51, 255, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.submit-hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.submit-hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--submit-text-white);
}

.submit-hero p {
    font-size: 1.2rem;
    color: var(--submit-text-muted);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Submit Section */
.submit-section {
    padding: 60px 0 80px;
    background: var(--submit-section-bg);
}

.submit-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

/* Form Wrapper */
.submit-form-wrapper {
    background: var(--submit-form-bg);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--submit-form-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* Form Steps */
.form-step {
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.step-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
}

.step-number {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-light) 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.step-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--submit-text);
    margin: 0;
}

.step-content {
    margin-bottom: 32px;
}

.step-actions {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

/* File Upload Zone */
.file-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 16px;
    padding: 48px 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: rgba(0, 102, 255, 0.02);
}

.file-upload-zone:hover,
.file-upload-zone.drag-over {
    border-color: var(--submit-accent);
    background: rgba(0, 102, 255, 0.08);
    transform: translateY(-2px);
}

.file-upload-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    filter: grayscale(0.3);
}

.file-upload-text {
    font-size: 1.1rem;
    color: var(--submit-text-muted);
    margin: 0 0 8px;
    font-weight: 500;
}

.file-upload-subtext {
    font-size: 0.95rem;
    color: var(--text-light);
    margin: 0 0 16px;
}

/* File Info */
.file-info {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid rgba(0, 102, 255, 0.15);
    border-radius: 12px;
    padding: 16px;
}

.file-info-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.file-info-icon {
    font-size: 1.5rem;
}

.file-info-details {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.file-info-name {
    font-weight: 600;
    color: var(--submit-text);
    font-size: 0.95rem;
}

.file-info-size {
    font-size: 0.85rem;
    color: var(--text-light);
}

.file-remove-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-remove-btn:hover {
    background: rgba(255, 107, 107, 0.2);
    color: var(--error-color);
}

.file-info-preview {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* File Preview Modal */
.file-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.file-preview-content {
    background: var(--submit-form-bg);
    border-radius: 16px;
    max-width: 800px;
    width: 100%;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--submit-form-border);
}

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

.file-preview-header h3 {
    margin: 0;
    color: var(--submit-text);
    font-size: 1.2rem;
}

.file-preview-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 1.3rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-preview-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--submit-text);
}

.file-preview-content pre {
    flex: 1;
    overflow: auto;
    padding: 24px;
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--submit-text-muted);
    max-height: 60vh;
}

/* Form Groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--submit-text);
    margin-bottom: 8px;
}

.required {
    color: var(--error-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--submit-input-border);
    border-radius: 10px;
    background: var(--submit-input-bg);
    color: var(--submit-text);
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--submit-accent);
    background: rgba(0, 102, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-light);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Form Errors */
.form-error {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 6px;
    padding: 8px 12px;
    background: rgba(255, 107, 107, 0.1);
    border-radius: 6px;
    border-left: 3px solid var(--error-color);
}

/* Review Section */
.review-section {
    margin-bottom: 28px;
}

.review-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--submit-accent);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.review-item {
    display: flex;
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

.review-label {
    width: 120px;
    flex-shrink: 0;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9rem;
}

.review-value {
    color: var(--submit-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Terms Checkbox */
.submission-terms {
    padding: 16px;
    background: rgba(0, 102, 255, 0.04);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--submit-text-muted);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--submit-accent);
    flex-shrink: 0;
}

/* Success State */
.success-header {
    justify-content: center;
}

.success-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success-color) 0%, var(--success-dark) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 8px 25px rgba(0, 230, 118, 0.3);
    animation: successPulse 2s ease-in-out infinite;
}

@keyframes successPulse {
    0%, 100% {
        box-shadow: 0 8px 25px rgba(0, 230, 118, 0.3);
    }
    50% {
        box-shadow: 0 8px 35px rgba(0, 230, 118, 0.5);
    }
}

.success-content {
    text-align: center;
}

.success-content p {
    font-size: 1.1rem;
    color: var(--submit-text-muted);
    line-height: 1.7;
}

.success-details {
    background: rgba(0, 102, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    margin: 24px 0;
    text-align: left;
}

.success-details p {
    font-size: 1rem;
    margin-bottom: 12px;
}

.success-details ol {
    margin: 0;
    padding-left: 20px;
    color: var(--submit-text-muted);
}

.success-details li {
    margin-bottom: 8px;
    line-height: 1.5;
}

.success-details a {
    color: var(--submit-accent);
    text-decoration: none;
}

.success-details a:hover {
    text-decoration: underline;
}

.success-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-top: 24px;
}

/* Sidebar */
.submit-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-card {
    background: var(--submit-form-bg);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--submit-form-border);
}

.sidebar-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--submit-text);
    margin-bottom: 12px;
}

.sidebar-card p {
    color: var(--submit-text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.code-example {
    background: var(--submit-section-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    margin: 12px 0;
    font-size: 0.8rem;
    line-height: 1.6;
    color: var(--submit-text-muted);
    overflow-x: auto;
}

.tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tips-list li {
    color: var(--submit-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
}

.tips-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.tips-list a {
    color: var(--submit-accent);
    text-decoration: none;
}

.tips-list a:hover {
    text-decoration: underline;
}

.sidebar-card a {
    color: var(--submit-accent);
    text-decoration: none;
}

.sidebar-card a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 1024px) {
    .submit-layout {
        grid-template-columns: 1fr;
    }
    
    .submit-sidebar {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}

@media (max-width: 768px) {
    .submit-hero {
        padding: 60px 0 40px;
    }
    
    .submit-hero h1 {
        font-size: 2.2rem;
    }
    
    .submit-hero p {
        font-size: 1rem;
    }
    
    .submit-section {
        padding: 40px 0 60px;
    }
    
    .submit-form-wrapper {
        padding: 24px;
    }
    
    .step-header h2 {
        font-size: 1.4rem;
    }
    
    .step-number {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .submit-sidebar {
        grid-template-columns: 1fr;
    }
    
    .success-actions {
        flex-direction: column;
    }
    
    .review-item {
        flex-direction: column;
        gap: 4px;
    }
    
    .review-label {
        width: auto;
    }
}