/* sys.d - Professional Business Theme */

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

:root {
    /* Professional Light Theme Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #ffffff;
    --bg-quaternary: #f1f3f4;

    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;

    /* Professional Accent Colors */
    --accent-primary: #0d6efd;
    --accent-secondary: #0b5ed7;
    --accent-success: #198754;
    --accent-warning: #fd7e14;
    --accent-danger: #dc3545;
    --accent-info: #0dcaf0;
    --accent-light: #f8f9fa;

    /* Borders */
    --border-primary: #dee2e6;
    --border-secondary: #e9ecef;

    /* Professional Shadows */
    --shadow-primary: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-secondary: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-tertiary: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    min-height: 100vh;
    margin: 0;
    line-height: 1.6;
}

/* Typography */
.font-mono {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

/* Navigation */
.navbar {
    background: var(--bg-primary) !important;
    border-bottom: 1px solid var(--border-primary);
    box-shadow: var(--shadow-secondary);
}

.navbar-brand {
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--accent-primary) !important;
}

.navbar-brand:hover {
    color: var(--accent-secondary) !important;
    transition: all 0.3s ease;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-primary) !important;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--accent-primary);
}

/* Cards */
.card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    box-shadow: var(--shadow-secondary);
    transition: all 0.3s ease;
    overflow: hidden;
}

.card:hover {
    border-color: var(--border-primary);
    box-shadow: var(--shadow-tertiary);
    transform: translateY(-1px);
}

.card-header {
    background: var(--bg-quaternary);
    border-bottom: 1px solid var(--border-primary);
    color: var(--text-primary);
    font-weight: 600;
}

.card-body {
    color: var(--text-primary);
}

/* Buttons */
.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
    box-shadow: var(--shadow-secondary);
}

.btn-primary:hover {
    background: var(--accent-secondary);
    box-shadow: var(--shadow-tertiary);
    transform: translateY(-1px);
}

.btn-success {
    background: var(--accent-success);
    color: white;
}

.btn-success:hover {
    background: #157347;
    transform: translateY(-1px);
}

.btn-outline-primary {
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--accent-primary);
    color: white;
}

.btn-outline-secondary {
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--bg-quaternary);
    border-color: var(--text-secondary);
    color: var(--text-primary);
}

/* Forms */
.form-control,
.form-select {
    background: var(--bg-primary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    background: var(--bg-primary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
    color: var(--text-primary);
}

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

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

/* Tables */
.table {
    background: var(--bg-tertiary);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-primary);
}

.table th {
    background: var(--bg-quaternary);
    border-bottom: 2px solid var(--accent-primary);
    color: var(--text-primary);
    font-weight: 600;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
}

.table td {
    color: var(--text-primary);
    border-color: var(--border-primary);
}

.table-hover tbody tr:hover {
    background: var(--bg-quaternary);
    color: var(--text-primary);
}

/* Badges */
.badge {
    font-family: 'JetBrains Mono', monospace;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.75rem;
}

.badge.bg-primary {
    background: var(--accent-primary) !important;
    box-shadow: 0 0 10px rgba(88, 166, 255, 0.3);
}

.badge.bg-success {
    background: var(--accent-success) !important;
    box-shadow: 0 0 10px rgba(63, 185, 80, 0.3);
}

.badge.bg-warning {
    background: var(--accent-warning) !important;
    color: var(--bg-primary) !important;
}

.badge.bg-danger {
    background: var(--accent-danger) !important;
}

/* Alerts */
.alert {
    border: none;
    border-radius: 12px;
    border-left: 4px solid;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.alert-primary {
    border-left-color: var(--accent-primary);
    background: rgba(88, 166, 255, 0.1);
}

.alert-success {
    border-left-color: var(--accent-success);
    background: rgba(63, 185, 80, 0.1);
}

.alert-warning {
    border-left-color: var(--accent-warning);
    background: rgba(210, 153, 34, 0.1);
}

.alert-danger {
    border-left-color: var(--accent-danger);
    background: rgba(248, 81, 73, 0.1);
}

/* Code blocks */
code {
    background: var(--bg-quaternary);
    color: var(--accent-primary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
}

pre {
    background: var(--bg-quaternary);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-primary);
    overflow-x: auto;
    font-family: 'Inter', sans-serif;
}

/* Question-specific styles */
.questions-list {
    max-height: 70vh;
    overflow-y: auto;
}

.question-card {
    margin-bottom: 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
}

.question-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.1), rgba(88, 166, 255, 0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.question-card:hover {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-tertiary);
    transform: translateY(-2px);
}

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

.question-card:active {
    transform: translateY(-1px);
}

.question-title {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
}

.question-content {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.question-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.question-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
}

/* Markdown editor styles */
.EasyMDEContainer {
    min-height: 300px;
}

.EasyMDEContainer .editor-toolbar {
    background: var(--bg-quaternary);
    border: 1px solid var(--border-primary);
    border-bottom: none;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
}

.EasyMDEContainer .CodeMirror {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-primary);
    border-top: none;
    border-bottom-left-radius: 8px;
    border-bottom-right-radius: 8px;
    min-height: 200px;
}

.EasyMDEContainer .CodeMirror .CodeMirror-cursor {
    border-left: 1px solid var(--accent-primary);
}

.EasyMDEContainer .CodeMirror .CodeMirror-selected {
    background: rgba(88, 166, 255, 0.2);
}

/* EasyMDE validation styles */
.EasyMDEContainer .is-invalid .CodeMirror {
    border-color: var(--accent-danger);
}

.EasyMDEContainer .is-invalid .editor-toolbar {
    border-color: var(--accent-danger);
}

/* Markdown content styles */
.markdown-content {
    line-height: 1.6;
    color: var(--text-primary);
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-primary);
    font-family: 'JetBrains Mono', monospace;
}

.markdown-content code {
    background: var(--bg-quaternary);
    color: var(--accent-cyan);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
}

.markdown-content pre {
    background: var(--bg-quaternary);
    color: var(--text-primary);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-primary);
    overflow-x: auto;
    font-family: 'JetBrains Mono', monospace;
}

.markdown-content blockquote {
    border-left: 4px solid var(--accent-primary);
    padding-left: 1rem;
    margin-left: 0;
    color: var(--text-secondary);
    background: rgba(88, 166, 255, 0.05);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
}

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

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

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

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

/* Loading animations */
.spinner-border {
    color: var(--accent-primary);
}

.loading-dots::after {
    content: '';
    animation: loading-dots 1.5s infinite;
}

@keyframes loading-dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

/* Professional effects */
.shadow-primary {
    box-shadow: var(--shadow-primary);
}

.shadow-secondary {
    box-shadow: var(--shadow-secondary);
}

.shadow-tertiary {
    box-shadow: var(--shadow-tertiary);
}

/* Utility classes */
.text-primary-custom {
    color: var(--accent-primary) !important;
}

.text-success-custom {
    color: var(--accent-success) !important;
}

.text-warning-custom {
    color: var(--accent-warning) !important;
}

.text-danger-custom {
    color: var(--accent-danger) !important;
}

.bg-dark-custom {
    background: var(--bg-tertiary) !important;
}

.border-primary-custom {
    border-color: var(--accent-primary) !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.25rem;
    }

    .card {
        margin-bottom: 1rem;
    }
}