/*
 * Obsidian-ähnliches Styling für den Markdown Viewer
 */

:root {
    --bg-primary: #1e1e1e;
    --bg-secondary: #252525;
    --bg-tertiary: #2d2d2d;
    --bg-hover: #363636;
    --bg-active: #404040;
    --text-primary: #dcddde;
    --text-secondary: #a3a3a3;
    --text-muted: #666;
    --accent-color: #7c3aed;
    --accent-hover: #8b5cf6;
    --border-color: #404040;
    --link-color: #7c9deb;
    --link-hover: #a3b8f0;
    --code-bg: #2d2d2d;
    --sidebar-width: 280px;
    --header-height: 50px;
    --scrollbar-thumb: #555;
    --scrollbar-track: #2d2d2d;
}

/* Light Theme */
.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --bg-tertiary: #ebebeb;
    --bg-hover: #e0e0e0;
    --bg-active: #d5d5d5;
    --text-primary: #2e2e2e;
    --text-secondary: #666666;
    --text-muted: #999;
    --border-color: #ddd;
    --code-bg: #f5f5f5;
    --scrollbar-thumb: #bbb;
    --scrollbar-track: #f0f0f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
}

/* App Layout */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
.header {
    height: var(--header-height);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    padding: 0 16px;
    gap: 16px;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 20px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background-color: var(--bg-hover);
}

.vault-selector {
    display: flex;
    align-items: center;
    gap: 8px;
}

.vault-selector select {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 14px;
    cursor: pointer;
}

.vault-selector select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.search-box {
    position: relative;
    width: 100%;
    max-width: 400px;
}

.search-box input {
    width: 100%;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 8px 12px 8px 36px;
    border-radius: 20px;
    font-size: 14px;
}

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

.search-box .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin-top: 4px;
    max-height: 400px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.search-result-item {
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-item:hover {
    background-color: var(--bg-hover);
}

.search-result-item .result-name {
    font-weight: 500;
}

.search-result-item .result-path {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: 4px;
}

.theme-toggle:hover {
    background-color: var(--bg-hover);
}

/* Main Container */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: margin-left 0.3s ease;
}

.sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

/* Navigation Tree */
.nav-tree {
    list-style: none;
}

.nav-item {
    user-select: none;
}

.nav-item-header {
    display: flex;
    align-items: center;
    padding: 6px 16px;
    cursor: pointer;
    color: var(--text-primary);
    transition: background-color 0.15s;
    gap: 8px;
}

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

.nav-item-header.active {
    background-color: var(--bg-active);
}

.nav-item-header .icon {
    font-size: 14px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item-header .folder-icon {
    transition: transform 0.2s;
}

.nav-item-header .folder-icon.open {
    transform: rotate(90deg);
}

.nav-item-header .name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 14px;
}

.nav-children {
    list-style: none;
    padding-left: 16px;
    display: none;
}

.nav-children.open {
    display: block;
}

/* Content Area */
.content-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-header {
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.content-header h1 {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
}

.breadcrumb {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--link-color);
}

.content-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
}

/* Markdown Content Styling */
.markdown-content {
    max-width: 900px;
    margin: 0 auto;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3,
.markdown-content h4,
.markdown-content h5,
.markdown-content h6 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
}

.markdown-content h1 { font-size: 2em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; }
.markdown-content h2 { font-size: 1.5em; border-bottom: 1px solid var(--border-color); padding-bottom: 0.3em; }
.markdown-content h3 { font-size: 1.25em; }
.markdown-content h4 { font-size: 1em; }
.markdown-content h5 { font-size: 0.875em; }
.markdown-content h6 { font-size: 0.85em; color: var(--text-secondary); }

.markdown-content p {
    margin-bottom: 16px;
}

.markdown-content a {
    color: var(--link-color);
    text-decoration: none;
}

.markdown-content a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.markdown-content ul,
.markdown-content ol {
    margin-bottom: 16px;
    padding-left: 2em;
}

.markdown-content li {
    margin-bottom: 4px;
}

.markdown-content li > ul,
.markdown-content li > ol {
    margin-bottom: 0;
}

.markdown-content blockquote {
    margin: 16px 0;
    padding: 0 16px;
    border-left: 4px solid var(--accent-color);
    color: var(--text-secondary);
}

.markdown-content code {
    background-color: var(--code-bg);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.9em;
}

.markdown-content pre {
    background-color: var(--code-bg);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 16px;
}

.markdown-content pre code {
    background: none;
    padding: 0;
}

.markdown-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid var(--border-color);
    padding: 8px 12px;
    text-align: left;
}

.markdown-content th {
    background-color: var(--bg-tertiary);
    font-weight: 600;
}

.markdown-content tr:nth-child(even) {
    background-color: var(--bg-secondary);
}

.markdown-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}

.markdown-content hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 24px 0;
}

/* Task Lists */
.markdown-content input[type="checkbox"] {
    margin-right: 8px;
}

/* Callouts (Obsidian Style) */
.callout {
    margin: 16px 0;
    padding: 16px;
    border-radius: 8px;
    border-left: 4px solid;
}

.callout-note {
    background-color: rgba(68, 138, 255, 0.1);
    border-color: #448aff;
}

.callout-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border-color: #ff9800;
}

.callout-tip {
    background-color: rgba(0, 200, 83, 0.1);
    border-color: #00c853;
}

.callout-important {
    background-color: rgba(255, 82, 82, 0.1);
    border-color: #ff5252;
}

/* Tags */
.tag {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 12px;
    margin: 0 4px;
}

/* Internal Links */
.internal-link {
    color: var(--accent-color);
    text-decoration: none;
    cursor: pointer;
}

.internal-link:hover {
    text-decoration: underline;
}

.internal-link.broken {
    color: var(--text-muted);
    text-decoration: line-through;
}

/* Welcome Screen */
.welcome-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-secondary);
}

.welcome-screen .icon {
    font-size: 64px;
    margin-bottom: 24px;
}

.welcome-screen h2 {
    font-size: 24px;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.welcome-screen p {
    font-size: 14px;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

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

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

/* Mobile Responsive */
@media (max-width: 768px) {
    .sidebar {
        position: absolute;
        z-index: 50;
        height: calc(100vh - var(--header-height));
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    }

    .sidebar.collapsed {
        margin-left: calc(-1 * var(--sidebar-width));
    }

    .search-box {
        max-width: 200px;
    }

    .content-body {
        padding: 16px;
    }
}

/* Print Styles */
@media print {
    .header, .sidebar {
        display: none;
    }

    .content-area {
        position: static;
    }

    .content-body {
        padding: 0;
    }
}

/* PDF Viewer */
.pdf-container {
    width: 100%;
    height: calc(100vh - var(--header-height) - 100px);
    min-height: 600px;
}

.pdf-viewer {
    width: 100%;
    height: 100%;
    border: none;
    border-radius: 8px;
    background: var(--bg-secondary);
}

/* Mermaid Diagrams */
.mermaid {
    background: var(--bg-tertiary);
    padding: 20px;
    border-radius: 8px;
    margin: 16px 0;
    overflow-x: auto;
    text-align: center;
}

.mermaid svg {
    max-width: 100%;
    height: auto;
}

.mermaid-error {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    padding: 16px;
    border-radius: 8px;
    font-size: 0.9em;
    white-space: pre-wrap;
}

/* Login Screen */
.login-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: var(--bg-primary);
}

.login-container {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.login-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.login-container h2 {
    color: var(--text-primary);
    margin-bottom: 24px;
    font-weight: 500;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    text-align: left;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-size: 0.9em;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1em;
}

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

.login-error {
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9em;
}

.login-button {
    padding: 12px 24px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1em;
    cursor: pointer;
    transition: background 0.2s;
}

.login-button:hover:not(:disabled) {
    background: var(--accent-hover);
}

.login-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* User info & Logout */
.user-info {
    color: var(--text-secondary);
    font-size: 0.9em;
    margin-right: 8px;
}

.logout-button {
    background: transparent;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: background 0.2s;
}

.logout-button:hover {
    background: var(--bg-hover);
}