/* DEFCON Ontology System - Palantir Style CSS */

:root {
    --primary-bg: #1a1d2e;
    --secondary-bg: #16213e;
    --sidebar-bg: #0f1419;
    --accent-color: #4a9eff;
    --success-color: #4caf50;
    --warning-color: #ff9800;
    --danger-color: #f44336;
    --text-primary: #ffffff;
    --text-secondary: #b0b8c1;
    --border-color: #2d3748;
    --hover-bg: #2d3748;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--primary-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1d2e 0%, #16213e 100%);
}

.login-container {
    width: 100%;
    max-width: 450px;
    padding: 20px;
}

.login-box {
    background: var(--secondary-bg);
    border-radius: 12px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.logo {
    font-size: 64px;
    margin-bottom: 20px;
}

.login-header h1 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

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

.login-form {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-login:hover {
    background: #3a8eef;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(74, 158, 255, 0.3);
}

.error-message {
    padding: 12px;
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--danger-color);
    border-radius: 6px;
    color: var(--danger-color);
    margin-bottom: 20px;
    font-size: 14px;
}

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
}

.version {
    margin-top: 5px;
    color: var(--success-color);
}

/* Dashboard Layout */
.app-container {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 600;
}

.logo-icon {
    font-size: 24px;
}

.sidebar-nav {
    flex: 1;
    padding: 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    margin-bottom: 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

.nav-item:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--accent-color);
    color: white;
}

.nav-item.highlighted {
    background: var(--success-color);
    color: white;
    font-weight: 600;
}

.nav-icon {
    font-size: 20px;
}

.nav-divider {
    height: 1px;
    background: var(--border-color);
    margin: 12px 0;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    margin-bottom: 10px;
    background: var(--hover-bg);
    border-radius: 8px;
}

.user-icon {
    font-size: 24px;
}

.btn-logout {
    display: block;
    width: 100%;
    padding: 10px;
    text-align: center;
    background: var(--danger-color);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.btn-logout:hover {
    background: #d32f2f;
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
    background: var(--primary-bg);
}

.content-header {
    margin-bottom: 30px;
}

.content-header h1 {
    font-size: 32px;
    margin-bottom: 10px;
}

.content-header .subtitle {
    color: var(--text-secondary);
    font-size: 16px;
}

/* Statistics Cards */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.stat-icon {
    font-size: 48px;
}

.stat-content h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Guide Section */
.guide-section {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
}

.guide-section h2 {
    margin-bottom: 20px;
    font-size: 24px;
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.guide-step {
    display: flex;
    align-items: start;
    gap: 16px;
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h4 {
    color: var(--text-primary);
    margin-bottom: 4px;
}

/* File Explorer */
.file-explorer {
    background: var(--secondary-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
}

.file-explorer h2 {
    margin-bottom: 24px;
    font-size: 24px;
}

.file-category {
    margin-bottom: 24px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.category-icon {
    font-size: 24px;
}

.category-header h3 {
    font-size: 18px;
}

.file-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-item:hover {
    background: var(--hover-bg);
    border-color: var(--accent-color);
}

.file-icon {
    font-size: 20px;
}

.file-name {
    flex: 1;
    color: var(--text-primary);
}

.file-status {
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.status-green {
    background: rgba(76, 175, 80, 0.2);
    color: var(--success-color);
}

.status-yellow {
    background: rgba(255, 152, 0, 0.2);
    color: var(--warning-color);
}

.status-blue {
    background: rgba(74, 158, 255, 0.2);
    color: var(--accent-color);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    background: var(--secondary-bg);
    margin: 5% auto;
    width: 90%;
    max-width: 1200px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-close {
    font-size: 32px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
}

.modal-close:hover {
    color: var(--danger-color);
}

.modal-body {
    flex: 1;
    overflow-y: auto;
    padding: 30px;
}

.file-info {
    padding: 12px;
    background: var(--primary-bg);
    border-radius: 6px;
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
}

.code-block {
    background: var(--primary-bg);
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: #abb2bf;
}

.modal-footer {
    padding: 20px 30px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: #3a8eef;
}

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

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

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

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

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

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

/* Protected Category Styles */
.lock-icon {
    margin-left: 8px;
    font-size: 0.9em;
    color: var(--warning-color);
}

.category-header {
    display: flex;
    align-items: center;
}

[data-protected="true"] .category-header {
    cursor: pointer;
    transition: background-color 0.2s;
}

[data-protected="true"] .category-header:hover {
    background-color: var(--hover-bg);
    border-radius: 6px;
    padding: 4px 8px;
}

[data-requires-auth="true"] {
    position: relative;
}

[data-requires-auth="true"]::before {
    content: "🔒 인증 필요";
    display: block;
    padding: 12px;
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    border: 1px dashed var(--border-color);
    border-radius: 6px;
    margin: 8px 0;
}

/* Password Protection Section */
.password-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: 40px 20px;
}

.password-box {
    background: var(--secondary-bg);
    border-radius: 12px;
    padding: 40px;
    max-width: 500px;
    width: 100%;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.password-box h2 {
    margin-bottom: 15px;
    color: var(--text-primary);
    font-size: 1.8em;
}

.password-box p {
    color: var(--text-secondary);
    margin-bottom: 25px;
    font-size: 1.05em;
}

.password-input {
    width: 100%;
    padding: 15px;
    margin-bottom: 20px;
    background: var(--primary-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1.1em;
    transition: border-color 0.3s;
}

.password-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.password-input::placeholder {
    color: var(--text-secondary);
}

.error-message {
    color: var(--danger-color);
    margin-top: 15px;
    padding: 10px;
    background: rgba(244, 67, 54, 0.1);
    border-radius: 6px;
    font-size: 0.95em;
}

/* Category Toggle */
.category-header {
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s;
    padding: 8px;
    border-radius: 6px;
}

.category-header:hover {
    background-color: var(--hover-bg);
}

.toggle-arrow {
    margin-left: auto;
    color: var(--text-secondary);
    font-size: 0.8em;
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOut {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* Clickable Stat Card */
.stat-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.stat-card-clickable {
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.stat-card-clickable::after {
    content: '🔗';
    position: absolute;
    top: 10px;
    right: 10px;
    font-size: 0.8em;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card-clickable:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(74, 158, 255, 0.3);
    border-color: var(--accent-color);
}

.stat-card-clickable:hover::after {
    opacity: 0.6;
}

.stat-card-clickable:active {
    transform: translateY(-2px);
}