@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.1/font/bootstrap-icons.css');

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

html {
    scroll-behavior: smooth;
}

:root {
    /* Base Variables (Light) */
    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --bg: #f9fafb;
    --bg-card: #ffffff;
    --bg-hover: #f3f4f6;
    --border: #e5e7eb;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --accent: #4f46e5;
    --accent-hover: #4338ca;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --selection: rgba(37, 99, 235, 0.1);
    --nav-bg: #1f2937;
    --nav-text: #ffffff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

[data-theme='dark'] {
    /* Dark Theme Variables */
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #6b7280;
    --bg: #111827;
    --bg-card: #1f2937;
    --bg-hover: #374151;
    --border: #374151;
    --primary: #3b82f6;
    --primary-hover: #60a5fa;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --success: #34d399;
    --danger: #f87171;
    --warning: #fbbf24;
    --selection: rgba(59, 130, 246, 0.3);
    --nav-bg: #111827;
    --nav-text: #f3f4f6;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-primary);
    min-height: 100vh;
    font-size: 14px;
    /* Slightly smaller for engineering feel */
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-top: 56px;
    transition: background-color 0.3s, color 0.3s;
}

/* Engineering Monospace Fonts for Data */
code,
pre,
.mono,
.stat-value,
.id-column,
table td:first-child,
.version-cell,
.log-item {
    font-family: var(--font-mono);
}

/* Dashboard Layout: Universal Hamburger Slide Menu */
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-primary);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.6;
    padding-top: 56px;
    transition: background-color 0.3s, color 0.3s;
}

/* Offcanvas Styling */
.offcanvas {
    border-right: 1px solid var(--border);
    box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
    background-color: var(--bg-card) !important;
}

.offcanvas-header {
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
}

.offcanvas-title {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.offcanvas .nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    color: var(--text-secondary);
    font-weight: 500;
    gap: 12px;
    transition: all 0.2s;
}

.offcanvas .nav-link i {
    font-size: 1.1rem;
    width: 24px;
    text-align: center;
}

.offcanvas .nav-link:hover,
.offcanvas .nav-link.active {
    background: var(--bg-hover);
    color: var(--primary);
}

.navbar {
    height: 56px;
    background-color: var(--nav-bg) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.navbar-toggler {
    padding: 0.25rem 0.5rem;
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.7) !important;
    transition: color 0.2s, background-color 0.2s;
}

.navbar-toggler:hover {
    color: #ffffff !important;
    background-color: rgba(255, 255, 255, 0.05);
}

.navbar-brand {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #ffffff !important;
    display: flex;
    align-items: center;
}

.navbar-brand span[class*="text-"] {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid currentColor;
}

.container {
    max-width: 1400px;
    /* Wider for engineering data */
    margin: 0 auto;
    padding: 24px;
}

/* Header */
.header {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 24px;
    margin-bottom: 32px;
    border-radius: 8px;
}

/* Sections & Cards */
section,
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

section h2,
.card-header h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

/* Tables */
.table {
    --bs-table-bg: transparent;
    --bs-table-color: var(--text-primary);
    --bs-table-striped-color: var(--text-primary);
    --bs-table-striped-bg: var(--bg-hover);
    --bs-table-hover-color: var(--text-primary);
    --bs-table-hover-bg: var(--selection);
    --bs-table-border-color: var(--border);
    color: var(--text-primary);
    border-color: var(--border);
    vertical-align: middle;
    table-layout: fixed; /* Added for resizing and wrapping */
    width: 100%;
}

.table th, .table td {
    overflow-wrap: anywhere;
    word-break: break-word;
}

.table thead th {
    background-color: var(--bg-hover);
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
    padding: 12px 16px;
    position: relative; /* For JS resizer positioning */
}

/* Novel Marker Cell Fix */
.marker-child {
    background-color: #6c757d !important;
    box-shadow: inset 0 0 0 9999px #6c757d !important;
    border-left: 1px solid var(--border);
}

/* Form Components */
.form-control,
.form-select {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 14px;
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--selection);
}

.form-label,
.form-check-label {
    color: var(--text-primary);
    font-weight: 500;
}

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

/* Override utility classes for theme awareness */
.bg-light {
    background-color: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

.card-header.bg-primary {
    background-color: var(--primary) !important;
}

/* Buttons */
.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border-color: var(--border);
}

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

/* Modal */
.modal-content {
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.modal-header {
    border-bottom: 1px solid var(--border);
}

.modal-footer {
    border-top: 1px solid var(--border);
}

/* Specific UI elements */
.status-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
}

.status-indicator.active {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 24px;
    text-align: center;
    transition: transform 0.2s;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 500;
}

.stat-value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Journals Grid */
.journals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.journal-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    transition: all 0.2s;
    cursor: pointer;
}

.journal-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.journal-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.journal-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Conversation Display */
.conversation-container {
    padding: 20px;
}

.conversation-message {
    margin-bottom: 24px;
    padding: 16px;
    border-radius: 8px;
    background: var(--bg-hover);
}

.conversation-message.user {
    border-left: 4px solid var(--primary);
}

.conversation-message.assistant {
    border-left: 4px solid var(--success);
}

.message-role {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
    letter-spacing: 0.05em;
}

.message-content {
    font-size: 15px;
    line-height: 1.625;
    white-space: pre-wrap;
}

.message-timestamp {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 20px 16px;
    }

    section {
        padding: 20px;
    }

    .header-content h1 {
        font-size: 24px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .journals-grid {
        grid-template-columns: 1fr;
    }

    .filter-controls {
        flex-direction: column;
    }

    .filter-controls select,
    .filter-controls button {
        width: 100%;
    }

    .modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .modal-header,
    .modal-body {
        padding: 20px;
    }
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}

/* Plan Badge Gradients (matching app design) */
.bg-gradient-purple {
    background: linear-gradient(to right, #6366f1, #9333ea) !important;
    color: white !important;
}

.bg-gradient-orange {
    background: linear-gradient(to right, #fbbf24, #f97316) !important;
    color: white !important;
}

/* Language Indicators */
.lang-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    font-size: 8px;
    font-weight: 800;
    margin-right: 5px;
    border: 1px solid var(--border);
    color: var(--text-muted);
    background-color: transparent;
    transition: all 0.2s;
    vertical-align: middle;
}

.lang-indicator.active {
    background-color: var(--success);
    border-color: var(--success);
    color: white;
    box-shadow: 0 0 4px rgba(16, 185, 129, 0.4);
}
.spin {
    animation: spin 0.6s linear infinite;
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ── 어드민 전역 버튼 크기 통일 ── */
.btn-sm {
    font-size: 0.8rem !important;
    padding: 4px 8px !important;
    line-height: 1.4 !important;
}

/* 테이블 행 여백 최소화 */
.table td, .table th {
    padding: 5px 8px !important;
    vertical-align: middle !important;
    line-height: 1.3 !important;
}

.table-sm td, .table-sm th {
    padding: 3px 6px !important;
}