/* CSS Design System for SandixHub */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;

    /* Light Theme Color Palette */
    --bg-primary: #ffffff;
    --bg-secondary: #f6f8fa;
    --bg-tertiary: #eaeef2;
    --border-color: #d0d7de;
    --text-primary: #24292f;
    --text-secondary: #57606a;
    --text-link: #0969da;
    --accent-color: #2da44e;
    --accent-hover: #2c974b;
    --danger-color: #cf222e;
    --warning-color: #9a6700;
    --success-bg: #dafbe1;
    --success-text: #1a7f37;
    --info-bg: #ddf4ff;
    --info-text: #0969da;
    --danger-bg: #ffebe9;
    --danger-text: #a40e26;
    
    --card-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --border-radius: 6px;
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body.dark-theme {
    /* Dark Theme Color Palette */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --border-color: #30363d;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --text-link: #58a6ff;
    --accent-color: #238636;
    --accent-hover: #2ea043;
    --danger-color: #f85149;
    --warning-color: #d29922;
    --success-bg: rgba(46, 160, 67, 0.15);
    --success-text: #56d364;
    --info-bg: rgba(56, 139, 253, 0.15);
    --info-text: #79c0ff;
    --danger-bg: rgba(248, 81, 73, 0.15);
    --danger-text: #ff7b72;
    
    --card-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
    font-size: 14px;
}

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

a:hover {
    text-decoration: underline;
}

/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 18px;
    color: var(--text-primary);
}

.nav-brand svg {
    fill: var(--text-primary);
}

.nav-search {
    flex: 0 1 300px;
    margin: 0 20px;
}

.nav-search input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: var(--border-radius);
    outline: none;
    transition: var(--transition);
}

.nav-search input:focus {
    border-color: var(--text-link);
    box-shadow: 0 0 0 3px rgba(9, 105, 218, 0.3);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nav-actions a {
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.nav-actions a:hover {
    color: var(--text-primary);
}

/* Theme Toggle Button */
.theme-toggle-btn, .notify-bell {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
}

.theme-toggle-btn:hover, .notify-bell:hover {
    color: var(--text-primary);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 24px;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
}

@media (max-width: 1024px) {
    .dashboard-grid {
        grid-template-columns: 240px 1fr;
    }
    .dashboard-grid .grid-right {
        display: none;
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .navbar {
        flex-wrap: wrap;
        gap: 12px;
    }
    .nav-search {
        order: 3;
        flex: 1 1 100%;
        margin: 0;
    }
}

/* Cards & Containers */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: var(--card-shadow);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 6px 12px;
    font-size: 14px;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    border: 1px solid var(--border-color);
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    transition: var(--transition);
}

.btn:hover {
    background-color: var(--border-color);
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: #ffffff;
}

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

.btn-danger {
    background-color: var(--danger-color);
    border-color: var(--danger-color);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: #b11f2a;
}

.btn-sm {
    padding: 3px 8px;
    font-size: 12px;
}

/* Contribution Graph Styles */
.contribution-graph-container {
    overflow-x: auto;
    padding: 12px 0;
}

.graph-grid {
    display: grid;
    grid-template-flow: column;
    grid-template-columns: repeat(53, 11px);
    grid-template-rows: repeat(7, 11px);
    gap: 2px;
    width: max-content;
}

.graph-cell {
    width: 11px;
    height: 11px;
    border-radius: 2px;
    background-color: var(--bg-tertiary);
    cursor: pointer;
    position: relative;
}

.graph-cell:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    background: #000;
    color: #fff;
    padding: 4px 6px;
    border-radius: 3px;
    font-size: 10px;
    white-space: nowrap;
    z-index: 10;
}

.graph-cell.level-0 { background-color: var(--bg-tertiary); }
.graph-cell.level-1 { background-color: #9be9a8; }
.graph-cell.level-2 { background-color: #40c463; }
.graph-cell.level-3 { background-color: #30a14e; }
.graph-cell.level-4 { background-color: #216e39; }

/* File Explorer List */
.file-list {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.file-row {
    display: flex;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

.file-row:last-child {
    border-bottom: none;
}

.file-row:hover {
    background-color: var(--bg-secondary);
}

.file-row .col-name {
    flex: 1 1 40%;
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-row .col-message {
    flex: 1 1 40%;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-row .col-age {
    flex: 0 0 100px;
    text-align: right;
    color: var(--text-secondary);
}

/* Code Display Containers */
.code-container {
    background-color: #272822; /* monokai default */
    color: #f8f8f2;
    padding: 16px;
    border-radius: var(--border-radius);
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 13px;
    margin-top: 12px;
    border: 1px solid var(--border-color);
}

/* Forms styling */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    outline: none;
}

.form-control:focus {
    border-color: var(--text-link);
}

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

/* Flash Messages */
.flash-messages {
    max-width: 1000px;
    width: 100%;
    margin: 12px auto;
    padding: 0 24px;
}

.alert {
    padding: 12px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 12px;
    border: 1px solid transparent;
}

.alert-success { background-color: var(--success-bg); color: var(--success-text); border-color: var(--success-text); }
.alert-danger { background-color: var(--danger-bg); color: var(--danger-text); border-color: var(--danger-text); }
.alert-warning { background-color: #fef5e7; color: var(--warning-color); border-color: var(--warning-color); }
.alert-info { background-color: var(--info-bg); color: var(--info-text); border-color: var(--info-text); }

/* Markdown Styling overrides */
.markdown-body {
    padding: 24px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}

.markdown-body h1, .markdown-body h2, .markdown-body h3 {
    margin-top: 24px;
    margin-bottom: 16px;
    font-weight: 600;
    line-height: 1.25;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

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

.markdown-body th, .markdown-body td {
    padding: 6px 13px;
    border: 1px solid var(--border-color);
}

.markdown-body tr:nth-child(2n) {
    background-color: var(--bg-secondary);
}

/* Diff View */
.highlight .gd { color: #f85149; background-color: rgba(248, 81, 73, 0.15); } /* deletion */
.highlight .gi { color: #56d364; background-color: rgba(46, 160, 67, 0.15); } /* addition */

/* Custom list of items (Issues, Commits) */
.timeline-item {
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
}

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

.issue-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.issue-badge-open {
    background-color: #2da44e;
    color: white;
}

.issue-badge-closed {
    background-color: #8250df;
    color: white;
}

/* User Profile Badge */
.profile-sidebar {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.profile-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--border-color);
    margin-bottom: 16px;
}

.profile-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-username {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}