/* Smart Code Review - Professional Theme */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --dark-gradient: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.18);
    --text-primary: #ffffff;
    --text-secondary: #b8b9c9;
    --accent-color: #667eea;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', Roboto, sans-serif;
    background: var(--dark-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

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

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Glass Container */
.glass-container {
    backdrop-filter: blur(20px);
    background: var(--glass-bg);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    border: 1px solid var(--glass-border);
    margin: 20px auto;
    max-width: 1200px;
    animation: fadeInUp 0.6s ease-out;
}

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

/* Navigation Bar */
.navbar-custom {
    background: rgba(15, 12, 41, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-link-custom {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 1rem;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link-custom::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.nav-link-custom:hover {
    color: var(--text-primary);
}

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

/* Forms */
.form-control-custom {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 12px 20px;
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control-custom:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

/* Buttons */
.btn-primary-custom {
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    padding: 12px 30px;
    color: white;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary-custom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

.btn-primary-custom:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.3);
}

.btn-primary-custom:hover::before {
    left: 100%;
}

/* Cards */
.feature-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.3s ease;
    height: 100%;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

/* Hero Section */
.hero-section {
    text-align: center;
    padding: 60px 0;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #b8b9c9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Statistics */
.stat-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .glass-container {
        padding: 20px;
        margin: 10px;
    }
    
    .feature-card {
        margin-bottom: 20px;
    }
}

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

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Accordion Styles - Fix for white background issue */
.accordion-button {
    background: transparent !important;
    color: var(--text-primary) !important;
    border: none !important;
    font-weight: 600;
}

.accordion-button:not(.collapsed) {
    background: rgba(102, 126, 234, 0.1) !important;
    color: var(--text-primary) !important;
}

.accordion-button:focus {
    box-shadow: none !important;
    border-color: transparent !important;
}

.accordion-button::after {
    filter: invert(1);
}

.accordion-body {
    background: rgba(255, 255, 255, 0.05) !important;
    color: var(--text-secondary) !important;
}

.accordion-item {
    background: transparent !important;
    border: none !important;
}

.accordion-collapse {
    background: rgba(15, 12, 41, 0.8) !important;
}

/* Override Bootstrap accordion defaults */
.accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-color: var(--text-primary);
    --bs-accordion-border-color: rgba(255, 255, 255, 0.1);
    --bs-accordion-btn-color: var(--text-primary);
    --bs-accordion-btn-bg: transparent;
    --bs-accordion-btn-focus-box-shadow: none;
    --bs-accordion-body-color: var(--text-secondary);
    --bs-accordion-active-color: var(--text-primary);
    --bs-accordion-active-bg: rgba(102, 126, 234, 0.1);
}

/* Additional form control styles for dark theme */
.form-control, .form-select {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: var(--text-primary) !important;
}

.form-control:focus, .form-select:focus {
    background-color: rgba(255, 255, 255, 0.08) !important;
    border-color: var(--accent-color) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25) !important;
}

/* Alert styles for dark theme */
.alert {
    background-color: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    color: var(--text-primary) !important;
}

.alert-info {
    background-color: rgba(59, 130, 246, 0.1) !important;
    border-color: rgba(59, 130, 246, 0.3) !important;
    color: #60a5fa !important;
}

.alert-warning {
    background-color: rgba(245, 158, 11, 0.1) !important;
    border-color: rgba(245, 158, 11, 0.3) !important;
    color: #f59e0b !important;
}

.alert-danger {
    background-color: rgba(239, 68, 68, 0.1) !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
    color: #ef4444 !important;
}

.alert-success {
    background-color: rgba(16, 185, 129, 0.1) !important;
    border-color: rgba(16, 185, 129, 0.3) !important;
    color: #10b981 !important;
}

/* Code and pre elements */
code {
    background-color: rgba(102, 126, 234, 0.2) !important;
    color: #60a5fa !important;
    padding: 2px 6px;
    border-radius: 4px;
}

pre {
    background-color: rgba(0, 0, 0, 0.3) !important;
    color: var(--text-primary) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 8px;
    padding: 15px;
}

/* Links in dark theme */
a {
    color: #60a5fa;
}

a:hover {
    color: #93bbfc;
}

/* Close button for dark theme */
.btn-close {
    filter: invert(1) !important;
}

/* Input validation states */
.form-control.is-valid, .form-select.is-valid {
    border-color: var(--success-color) !important;
    background-image: none !important;
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--danger-color) !important;
    background-image: none !important;
}

/* Fix for any remaining white backgrounds - Enhanced overrides */
.bg-light,
.bg-body,
.bg-white,
.card,
.card-body,
.card-header,
.modal-content,
.modal-header,
.modal-body,
.modal-footer,
.dropdown-menu,
.list-group-item,
.page-item .page-link,
.form-control,
.form-select,
.input-group-text {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: var(--text-primary) !important;
}

.bg-white {
    background-color: rgba(255, 255, 255, 0.08) !important;
}

.text-dark,
.text-body,
.text-black,
h1, h2, h3, h4, h5, h6,
p, span, div, li, td, th {
    color: var(--text-primary) !important;
}

/* Bootstrap component overrides */
* {
    --bs-body-bg: transparent;
    --bs-body-color: var(--text-primary);
    --bs-border-color: rgba(255, 255, 255, 0.1);
}

/* Ensure dark theme is applied globally */
body * {
    background-color: transparent;
    color: inherit;
}

/* Only apply background to specific containers */
body > .container,
body > .container-fluid,
.glass-container,
.card {
    background-color: rgba(255, 255, 255, 0.05);
}