/* Modern UI Redesign - Googa Ai Hub */

: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%);
    --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --card-shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.15);
    --border-radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin: 40px 0;
    padding: 0 20px;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 200px;
    position: relative;
}

.step-item::after {
    content: '';
    position: absolute;
    top: 25px;
    left: 60%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #e0e0e0 0%, #e0e0e0 100%);
    z-index: 0;
}

.step-item:last-child::after {
    display: none;
}

.step-item.completed::after {
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.step-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #e0e0e0;
    color: #999;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.step-item.active .step-number {
    background: var(--primary-gradient);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.step-item.completed .step-number {
    background: var(--success-gradient);
    color: white;
}

.step-item.completed .step-number::before {
    content: '✓';
    font-size: 24px;
}

.step-label {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    text-align: center;
}

.step-item.active .step-label {
    color: #667eea;
}

/* Modern Card Design */
.modern-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    padding: 30px;
    transition: var(--transition);
    margin-bottom: 30px;
}

.modern-card:hover {
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-5px);
}

/* Simplified Form */
.modern-form {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

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

.modern-form-label {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modern-form-input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    transition: var(--transition);
    background: #fafafa;
}

.modern-form-input:focus {
    outline: none;
    border-color: #667eea;
    background: white;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Platform Selection - Icon Based */
.platform-selection {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 10px;
}

.platform-card {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition);
}

.platform-card:hover {
    border-color: #667eea;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.2);
}

.platform-card.selected {
    border-color: #667eea;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

.platform-card.selected::before {
    opacity: 0.1;
}

.platform-icon {
    font-size: 32px;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.platform-name {
    font-size: 13px;
    font-weight: 600;
    color: #333;
    position: relative;
    z-index: 1;
}

.platform-card input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.platform-card .checkmark {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--success-gradient);
    display: none;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 14px;
    z-index: 2;
}

.platform-card.selected .checkmark {
    display: flex;
}

/* Drag & Drop Upload */
.upload-area {
    border: 3px dashed #e0e0e0;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: #fafafa;
    position: relative;
    overflow: hidden;
}

.upload-area:hover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.05);
}

.upload-area.dragover {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    transform: scale(1.02);
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 15px;
    opacity: 0.6;
}

.upload-text {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.upload-hint {
    font-size: 13px;
    color: #999;
}

/* Image Preview Grid */
.image-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.image-preview-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1;
    background: #f0f0f0;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-item .remove-btn {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 0, 0, 0.8);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}

.image-preview-item .remove-btn:hover {
    background: rgba(255, 0, 0, 1);
    transform: scale(1.1);
}

/* Modern Buttons */
.modern-btn {
    padding: 16px 32px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
}

.modern-btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.modern-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

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

.modern-btn-secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.modern-btn-secondary:hover {
    background: rgba(102, 126, 234, 0.05);
}

.modern-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Content Cards */
.content-card {
    background: white;
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
}

.content-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.content-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.content-card-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #333;
}

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

/* Loading States */
.loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Progress Bar */
.progress-bar {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 3px;
    overflow: hidden;
    margin: 20px 0;
}

.progress-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 3px;
    transition: width 0.3s ease;
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

/* Responsive */
@media (max-width: 768px) {
    .step-indicator {
        gap: 10px;
        padding: 0 10px;
    }
    
    .step-number {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .step-label {
        font-size: 12px;
    }
    
    .platform-selection {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modern-card {
        padding: 20px;
    }
}