/**
 * MenschLAB Application Styles
 * Liquid Glass Design with Bootstrap Dark Theme
 * Created for Mensch DOO (https://mensch.rs)
 */

:root {
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-bg: #0f172a;
    --dark-surface: #1e293b;
    --dark-surface-light: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(6, 182, 212, 0.05) 0%, transparent 50%);
    z-index: -1;
    animation: backgroundMove 20s ease-in-out infinite;
}

@keyframes backgroundMove {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(-20px, -20px) rotate(1deg); }
    66% { transform: translate(20px, 10px) rotate(-1deg); }
}

/* Glass morphism containers */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    margin: 1rem 0;
    transition: all 0.3s ease;
}

.glass-container:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(31, 38, 135, 0.5);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    box-shadow: var(--glass-shadow);
    padding: 1.5rem;
    margin: 0.5rem 0;
    transition: all 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.3);
}

/* Header */
.header {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    height: 40px;
    filter: brightness(1.1);
}

/* Navigation */
.navbar-dark {
    background: transparent !important;
}

.navbar-dark .navbar-nav .nav-link {
    color: var(--text-primary);
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--primary-color);
}

.navbar-dark .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.navbar-dark .navbar-nav .nav-link:hover::after {
    width: 100%;
}

/* Buttons */
.btn {
    border-radius: 12px;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: none;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.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: left 0.5s;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #059669);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.btn-outline-light {
    border: 2px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
}

.btn-outline-light:hover {
    background: var(--glass-border);
    border-color: rgba(255, 255, 255, 0.4);
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* Forms */
.form-control, .form-select {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

/* Code editor style for HTML textarea */
.form-control[style*="monospace"] {
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--glass-border);
    color: #e2e8f0;
    line-height: 1.5;
    tab-size: 4;
    white-space: pre;
    overflow-wrap: normal;
    overflow-x: auto;
}

/* System info styling */
.system-info .info-item {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.system-info .info-item:last-child {
    border-bottom: none;
}

.system-info .info-label {
    font-weight: 500;
    color: #cbd5e1;
    min-width: 140px;
    flex-shrink: 0;
}

.system-info .info-value {
    color: #f8fafc;
    text-align: right;
    flex-grow: 1;
    word-break: break-word;
}

.system-info .info-value.small {
    font-size: 0.875rem;
}

.system-info .info-value.text-break {
    word-break: break-all;
}

.form-control:focus, .form-select:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
    color: var(--text-primary);
}

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

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

/* Tables */
.table-dark {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
}

.table-dark th {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--glass-border);
    color: var(--text-primary);
    font-weight: 600;
}

.table-dark td {
    border-color: var(--glass-border);
    color: var(--text-secondary);
}

.table-dark tbody tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Progress bars */
.progress {
    background: var(--dark-surface);
    border-radius: 10px;
    height: 8px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    transition: width 0.6s ease;
}

/* Alerts */
.alert {
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
    color: #6ee7b7;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
    color: #fcd34d;
}

.alert-info {
    background: rgba(6, 182, 212, 0.1);
    border-color: rgba(6, 182, 212, 0.3);
    color: #67e8f9;
}

/* Step indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 2rem 0;
}

.step {
    display: flex;
    align-items: center;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 2px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

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

.step-line {
    width: 60px;
    height: 2px;
    background: var(--glass-border);
    margin: 0 1rem;
}

.step.active ~ .step .step-line,
.step.completed ~ .step .step-line {
    background: var(--success-color);
}

/* File upload area */
.upload-area {
    border: 2px dashed var(--glass-border);
    border-radius: 15px;
    padding: 3rem 2rem;
    text-align: center;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.upload-area.dragover {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.05);
}

/* System info display */
.system-info {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
    margin: 1rem 0;
}

.system-info .info-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.system-info .info-item:last-child {
    border-bottom: none;
}

.system-info .info-label {
    font-weight: 600;
    color: var(--text-secondary);
}

.system-info .info-value {
    color: var(--text-primary);
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .glass-container {
        padding: 1.5rem;
        margin: 0.5rem;
        border-radius: 15px;
    }
    
    .step-line {
        width: 40px;
    }
    
    .step-number {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
}

/* Loading spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--glass-border);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Rating scale styling */
.rating-scale {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.rating-scale .form-check-inline {
    margin: 0;
    text-align: center;
}

.rating-scale .form-check-input {
    margin: 0 auto 0.5rem auto;
    display: block;
}

.rating-scale .form-check-label {
    display: block;
    font-weight: 600;
    color: #cbd5e1;
    cursor: pointer;
    transition: color 0.3s ease;
}

.rating-scale .form-check-input:checked + .form-check-label {
    color: #38b2ac;
}

.rating-scale .form-check-input:hover + .form-check-label {
    color: #e2e8f0;
}

/* Chart container styling */
.chart-container {
    position: relative;
    height: 300px;
    width: 100%;
    padding: 10px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(5px);
}

.chart-container.small {
    height: 250px;
}

.chart-container.medium {
    height: 350px;
}

.chart-container.large {
    height: 400px;
}

/* Analytics page specific styles */
.analytics-summary-card {
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.analytics-summary-card:hover {
    transform: translateY(-3px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.analytics-chart-card {
    min-height: 350px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.analytics-chart-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.05),
        transparent
    );
    transition: left 0.5s;
}

.analytics-chart-card:hover::before {
    left: 100%;
}

.analytics-chart-card:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.analytics-chart-card.compact {
    min-height: 320px;
}

/* Responsive chart adjustments */
@media (max-width: 768px) {
    .chart-container {
        height: 250px;
    }
    
    .chart-container.medium {
        height: 280px;
    }
    
    .chart-container.large {
        height: 300px;
    }
}