/* NeuroHub Creator Center - Enhanced UI */

:root {
    --midnight-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --midnight-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --midnight-accent: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --midnight-success: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --midnight-warning: linear-gradient(135deg, #ff9a9e 0%, #fecfef 100%);
    --midnight-danger: linear-gradient(135deg, #ff416c 0%, #ff4b2b 100%);

    --midnight-bg: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 25%, #16213e 75%, #0f172a 100%);
    --midnight-surface: rgba(255, 255, 255, 0.03);
    --midnight-surface-elevated: rgba(255, 255, 255, 0.05);
    --midnight-surface-hover: rgba(255, 255, 255, 0.08);

    --midnight-border: rgba(255, 255, 255, 0.08);
    --midnight-border-focus: rgba(102, 126, 234, 0.4);

    --midnight-text-primary: #ffffff;
    --midnight-text-secondary: rgba(255, 255, 255, 0.8);
    --midnight-text-muted: rgba(255, 255, 255, 0.5);

    --midnight-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --midnight-shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.4);
    --midnight-shadow-glow: 0 0 30px rgba(102, 126, 234, 0.3);

    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    background: var(--midnight-bg);
    background-attachment: fixed;
    min-height: 100vh;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--midnight-text-primary);
    overflow-x: hidden;
}

/* Enhanced backdrop effects */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(118, 75, 162, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(79, 172, 254, 0.05) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* Navigation */
.navbar {
    background: rgba(12, 12, 12, 0.8) !important;
    backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid var(--midnight-border);
    padding: 1.25rem 0;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.75rem;
    background: var(--midnight-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

.navbar-brand i {
    background: var(--midnight-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-right: 0.75rem;
}

/* Hero Section */
.hero-card {
    background: var(--midnight-surface);
    border: 1px solid var(--midnight-border);
    border-radius: var(--border-radius-xl);
    backdrop-filter: blur(24px) saturate(180%);
    box-shadow: var(--midnight-shadow-glow);
    position: relative;
    overflow: hidden;
}

.hero-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 40%, rgba(102, 126, 234, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 60%, rgba(118, 75, 162, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* Enhanced Cards */
.card {
    background: var(--midnight-surface);
    border: 1px solid var(--midnight-border);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(24px) saturate(180%);
    box-shadow: var(--midnight-shadow);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.5), transparent);
    opacity: 0;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--midnight-shadow-hover);
    border-color: var(--midnight-border-focus);
}

.card:hover::before {
    opacity: 1;
}

.card-header {
    background: var(--midnight-surface-elevated);
    border-bottom: 1px solid var(--midnight-border);
    padding: 1.5rem 2rem;
    font-weight: 700;
    font-size: 1.125rem;
    position: relative;
}

.card-body {
    padding: 2rem;
}

/* Model Selection Cards */
.model-card {
    background: var(--midnight-surface);
    border: 2px solid var(--midnight-border);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    text-align: left;
}

.model-card:hover {
    border-color: rgba(102, 126, 234, 0.6);
    background: var(--midnight-surface-hover);
    transform: translateY(-2px);
}

.model-card.active {
    border-color: rgba(102, 126, 234, 0.8);
    background: var(--midnight-primary);
    box-shadow: var(--midnight-shadow-glow);
}

.model-card h5 {
    margin-bottom: 0.25rem;
    color: inherit;
}

/* Enhanced Buttons */
.btn {
    border-radius: var(--border-radius);
    font-weight: 600;
    padding: 0.875rem 2rem;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
    text-transform: none;
    font-size: 0.95rem;
}

.btn::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: var(--transition-fast);
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: var(--midnight-primary);
    color: white;
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(102, 126, 234, 0.4);
    color: white;
    filter: brightness(1.1);
}

.btn-outline-secondary {
    border: 1px solid var(--midnight-border);
    color: var(--midnight-text-secondary);
    background: var(--midnight-surface);
    backdrop-filter: blur(8px);
}

.btn-outline-secondary:hover {
    background: var(--midnight-surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--midnight-text-primary);
    transform: translateY(-2px);
}

/* Enhanced Form Controls */
.form-control, .form-select {
    background: var(--midnight-surface);
    border: 1px solid var(--midnight-border);
    border-radius: var(--border-radius);
    color: var(--midnight-text-primary);
    padding: 1rem 1.25rem;
    transition: var(--transition);
    backdrop-filter: blur(8px);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    background: var(--midnight-surface-hover);
    border-color: var(--midnight-border-focus);
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.15);
    color: var(--midnight-text-primary);
    outline: none;
}

.form-select option {
    background: #1a1a2e;
    color: var(--midnight-text-primary);
    padding: 0.75rem;
}

.form-control::placeholder {
    color: var(--midnight-text-muted);
}

.form-label {
    color: var(--midnight-text-secondary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Range Slider */
.form-range {
    height: 0.5rem;
}

.form-range::-webkit-slider-thumb {
    background: var(--midnight-primary);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

.form-range::-moz-range-thumb {
    background: var(--midnight-primary);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.5);
}

/* Accordion */
.accordion-item {
    background: var(--midnight-surface);
    border: 1px solid var(--midnight-border);
    border-radius: var(--border-radius);
}

.accordion-button {
    background: var(--midnight-surface-elevated);
    color: var(--midnight-text-primary);
    border: none;
}

.accordion-button:not(.collapsed) {
    background: var(--midnight-surface-hover);
    color: var(--midnight-text-primary);
}

.accordion-button:focus {
    box-shadow: none;
    border-color: var(--midnight-border-focus);
}

.accordion-body {
    background: var(--midnight-surface);
}

/* Generated Image Card */
.generated-image-card {
    padding: 2rem;
    border-bottom: 1px solid var(--midnight-border);
}

.generated-image-card:last-child {
    border-bottom: none;
}

.image-container {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--midnight-shadow);
}

.generated-image {
    width: 100%;
    height: auto;
    display: block;
    cursor: pointer;
    transition: var(--transition);
}

.generated-image:hover {
    transform: scale(1.02);
}

.image-details {
    background: var(--midnight-surface-elevated);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    height: 100%;
}

.detail-item {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--midnight-border);
}

.detail-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.detail-item strong {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--midnight-text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item p {
    margin: 0;
    color: var(--midnight-text-primary);
    word-wrap: break-word;
}

/* Image Modal */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.image-modal img {
    max-width: 90%;
    max-height: 90%;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.8);
}

/* Toast Notification */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--midnight-surface-elevated);
    color: var(--midnight-text-primary);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--midnight-shadow-hover);
    border: 1px solid var(--midnight-border);
    z-index: 10000;
    opacity: 0;
    transform: translateY(1rem);
    transition: var(--transition);
}

.toast-notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* Gradient text */
.gradient-text {
    background: var(--midnight-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--midnight-surface);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--midnight-primary);
    border-radius: 5px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a6fd8 0%, #6b5b95 100%);
}

/* Responsive */
@media (max-width: 768px) {
    .card-body {
        padding: 1.5rem;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.75rem 1.5rem;
    }

    .navbar-brand {
        font-size: 1.5rem;
    }

    .generated-image-card {
        padding: 1.5rem;
    }

    .image-details {
        margin-top: 1.5rem;
    }
}