/* Photophile Upload Portal - Frontend Styles */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --glass-bg: rgba(255, 255, 255, 0.25);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-light: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --shadow-medium: 0 15px 35px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 25px 50px rgba(0, 0, 0, 0.15);
    --border-radius: 16px;
    --border-radius-small: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --text-primary: #2d3748;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --success-color: #48bb78;
    --error-color: #f56565;
    --warning-color: #ed8936;
}

/* Reset and Base Styles */
.photophile-form-container * {
    box-sizing: border-box;
}

.photophile-form-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.photophile-form-wrapper {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.photophile-form-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* Header Styles */
.form-header {
    text-align: center;
    margin-bottom: 40px;
}

.form-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0 0 10px 0;
    line-height: 1.2;
}

.form-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
}

/* Progress Bar */
.form-progress {
    margin-bottom: 30px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
    backdrop-filter: blur(10px);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 10px;
}

.progress-fill {
    height: 100%;
    background: var(--success-gradient);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s 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, 0.4), transparent);
    animation: shimmer 2s infinite;
}

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

.progress-text {
    text-align: center;
    font-weight: 500;
    color: var(--text-primary);
}

/* Success Message */
.success-message {
    text-align: center;
    padding: 40px;
    background: rgba(72, 187, 120, 0.1);
    border: 2px solid rgba(72, 187, 120, 0.3);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    animation: slideInUp 0.6s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.success-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: bounce 0.6s ease-out;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

.success-message h3 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--success-color);
    margin: 0 0 10px 0;
}

.success-message p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Form Sections */
.form-section {
    margin-bottom: 40px;
    padding: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.form-section:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.form-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 20px 0;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--border-radius-small);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #667eea;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

/* Upload Sections */
.upload-section {
    margin-bottom: 30px;
}

.upload-section h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary);
}

.upload-description {
    color: var(--text-secondary);
    margin: 0 0 20px 0;
    font-size: 0.95rem;
}

/* Upload Zones */
.upload-zone {
    border: 2px dashed rgba(102, 126, 234, 0.3);
    border-radius: var(--border-radius);
    padding: 40px 20px;
    text-align: center;
    background: rgba(102, 126, 234, 0.05);
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
}

.upload-zone:hover::before {
    left: 100%;
}

.upload-zone:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.upload-zone.drag-over {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.15);
    transform: scale(1.02);
}

.upload-content {
    position: relative;
    z-index: 1;
}

.upload-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.upload-text {
    margin-bottom: 15px;
}

.upload-text strong {
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.upload-text span {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.upload-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.upload-info small {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* File List */
.file-list {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-small);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    animation: slideInRight 0.3s ease-out;
}

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

.file-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.file-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

.remove-file {
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    transition: var(--transition);
}

.remove-file:hover {
    background: #e53e3e;
    transform: scale(1.1);
}

/* reCAPTCHA */
.recaptcha-container {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

/* Form Actions */
.form-actions {
    text-align: center;
    margin-top: 40px;
}

.submit-button {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    min-width: 200px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.submit-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.submit-button:hover::before {
    left: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.submit-button:active {
    transform: translateY(0);
}

.submit-button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Loading Spinner */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Error Notifications */
.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--error-color);
    color: white;
    padding: 16px 20px;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-medium);
    z-index: 1000;
    animation: slideInRight 0.3s ease-out;
    max-width: 400px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .photophile-form-container {
        padding: 10px;
    }
    
    .photophile-form-wrapper {
        padding: 20px;
    }
    
    .form-header h2 {
        font-size: 2rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .upload-zone {
        padding: 30px 15px;
    }
    
    .upload-icon {
        font-size: 2.5rem;
    }
    
    .submit-button {
        width: 100%;
        padding: 18px 32px;
    }
}

@media (max-width: 480px) {
    .form-header h2 {
        font-size: 1.8rem;
    }
    
    .form-section {
        padding: 20px;
    }
    
    .upload-zone {
        padding: 25px 10px;
    }
    
    .upload-text strong {
        font-size: 1rem;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.form-group input:focus,
.form-group textarea:focus,
.upload-zone:focus,
.submit-button:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .photophile-form-wrapper {
        background: rgba(255, 255, 255, 0.9);
        border: 2px solid #000;
    }
    
    .form-section {
        background: rgba(255, 255, 255, 0.8);
        border: 1px solid #000;
    }
    
    .upload-zone {
        border: 2px solid #000;
        background: rgba(255, 255, 255, 0.8);
    }
}