:root {
    --bg-base: #0d1117;
    --bg-panel: #161b22;
    --bg-panel-alt: #1c2128;
    --bg-elevated: #21262d;
    --bg-input: #0d1117;
    --border-color: #30363d;
    --border-subtle: #21262d;
    --border-highlight: #58a6ff;
    --text-main: #f0f6fc;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;
    --text-dim: #6e7681;
    --accent-blue: #58a6ff;
    --accent-blue-emphasis: #1f6feb;
    --accent-blue-subtle: rgba(56, 139, 253, 0.15);
    --status-added: #3fb950;
    --status-added-emphasis: #238636;
    --status-added-bg: rgba(46, 160, 67, 0.15);
    --status-modified: #d29922;
    --status-modified-bg: rgba(187, 128, 9, 0.15);
    --status-deleted: #f85149;
    --status-deleted-bg: rgba(248, 81, 73, 0.15);
    --status-ignored: #a371f7;
    --status-ignored-bg: rgba(163, 113, 247, 0.15);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "JetBrains Mono", "Fira Code", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 10px;
}

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

html,
body {
    background-color: var(--bg-base);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.55;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

a:hover {
    text-decoration: underline;
}

code,
pre,
.mono {
    font-family: var(--font-mono);
    font-size: 12.5px;
}

code {
    background: rgba(110, 118, 129, 0.18);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-main);
}

/* Top Header Bar */
.topbar {
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-block {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: var(--accent-blue-emphasis);
    color: #ffffff;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: -0.5px;
}

.brand-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-subtitle {
    font-size: 12px;
    color: var(--text-muted);
}

.topbar-telemetry {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.telemetry-pill {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 5px 12px;
    font-size: 12px;
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.telemetry-pill strong {
    color: var(--text-secondary);
    font-weight: 600;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
}

.dot-green {
    background: var(--status-added);
}

.dot-amber {
    background: var(--status-modified);
}

.dot-red {
    background: var(--status-deleted);
}

/* Main Container */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 24px 28px 64px;
}

/* Active Project Context Bar */
.project-context-bar {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 18px 22px;
    margin-bottom: 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 18px;
}

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

.project-context-title strong {
    color: var(--text-main);
    font-size: 15px;
    font-weight: 600;
}

.project-route {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.route-node {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
}

.route-node .node-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    display: block;
    margin-bottom: 2px;
}

.node-dev .node-label {
    color: var(--accent-blue);
}

.node-prod .node-label {
    color: var(--status-added);
}

.route-node code {
    background: transparent;
    padding: 0;
    font-size: 12.5px;
    color: var(--text-secondary);
}

.route-arrow {
    color: var(--text-muted);
    font-size: 16px;
    padding: 0 2px;
}

/* Navigation Tabs */
.nav-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0;
}

.nav-tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 16px 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: color 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
    margin-bottom: -1px;
}

.nav-tab:hover {
    color: var(--text-main);
    text-decoration: none;
    border-bottom-color: var(--border-color);
}

.nav-tab.active {
    color: var(--text-main);
    font-weight: 600;
    border-bottom-color: #f78166;
}

.nav-badge {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    font-size: 11.5px;
    font-weight: 600;
    padding: 1px 8px;
    border-radius: 12px;
}

.nav-tab.active .nav-badge {
    background: var(--accent-blue-subtle);
    color: var(--accent-blue);
}

/* Flash Alerts */
.flash-stack {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.alert {
    padding: 13px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    font-size: 13.5px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    line-height: 1.5;
}

.alert-success {
    background: var(--status-added-bg);
    border-color: rgba(63, 185, 80, 0.4);
    color: #7ee787;
}

.alert-error {
    background: var(--status-deleted-bg);
    border-color: rgba(248, 81, 73, 0.4);
    color: #ffa198;
}

.alert-warning {
    background: var(--status-modified-bg);
    border-color: rgba(210, 153, 34, 0.4);
    color: #e3b341;
}

/* Metric Summary Cards */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
    margin-bottom: 22px;
}

.metric-card {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px 18px;
}

.metric-card .metric-label {
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.metric-card .metric-value {
    font-size: 26px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.2;
}

.metric-card .metric-sub {
    font-size: 12px;
    color: var(--text-dim);
    margin-top: 4px;
}

.metric-modified { border-left: 3px solid var(--status-modified); }
.metric-added { border-left: 3px solid var(--status-added); }
.metric-deleted { border-left: 3px solid var(--status-deleted); }
.metric-ignored { border-left: 3px solid var(--status-ignored); }
.metric-synced { border-left: 3px solid var(--accent-blue); }

/* Panels */
.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    margin-bottom: 22px;
    overflow: hidden;
}

.panel-header {
    background: var(--bg-panel-alt);
    border-bottom: 1px solid var(--border-color);
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.panel-title {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-body {
    padding: 20px;
}

/* Forms & Inputs */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 13.5px;
    padding: 9px 12px;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control.mono-input {
    font-family: var(--font-mono);
    font-size: 12.5px;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.15);
}

/* Buttons */
.btn {
    background: var(--bg-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    padding: 7px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    text-decoration: none;
    transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
    background: #30363d;
    border-color: #8b949e;
    color: var(--text-main);
    text-decoration: none;
}

.btn-primary {
    background: var(--accent-blue-emphasis);
    border-color: rgba(240, 246, 252, 0.1);
    color: #ffffff;
}

.btn-primary:hover {
    background: #388bfd;
    border-color: rgba(240, 246, 252, 0.1);
    color: #ffffff;
}

.btn-success {
    background: var(--status-added-emphasis);
    border-color: rgba(240, 246, 252, 0.1);
    color: #ffffff;
}

.btn-success:hover {
    background: #2ea043;
    border-color: rgba(240, 246, 252, 0.1);
    color: #ffffff;
}

.btn-danger {
    background: rgba(248, 81, 73, 0.12);
    border-color: rgba(248, 81, 73, 0.4);
    color: #ff7b72;
}

.btn-danger:hover {
    background: #da3633;
    border-color: #f85149;
    color: #ffffff;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* Badges */
.badge {
    font-family: var(--font-sans);
    font-size: 11.5px;
    font-weight: 600;
    padding: 2px 9px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.badge-added {
    background: var(--status-added-bg);
    color: #56d364;
    border: 1px solid rgba(63, 185, 80, 0.35);
}

.badge-modified {
    background: var(--status-modified-bg);
    color: #e3b341;
    border: 1px solid rgba(210, 153, 34, 0.35);
}

.badge-deleted {
    background: var(--status-deleted-bg);
    color: #ffa198;
    border: 1px solid rgba(248, 81, 73, 0.35);
}

.badge-ignored {
    background: var(--status-ignored-bg);
    color: #d2a8ff;
    border: 1px solid rgba(163, 113, 247, 0.35);
}

.badge-neutral {
    background: var(--bg-elevated);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

/* Data Tables */
.table-wrap {
    width: 100%;
    overflow-x: auto;
}

.tech-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}

.tech-table th,
.tech-table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
}

.tech-table th {
    background: var(--bg-base);
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.tech-table tr:hover td {
    background: rgba(110, 118, 129, 0.06);
}

.tech-table tr.row-selected td {
    background: rgba(56, 139, 253, 0.08);
}

.file-path-cell {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--text-main);
    font-weight: 500;
}

.hash-pill {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-muted);
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 1px 6px;
    border-radius: 4px;
    margin-left: 4px;
}

/* Filter Bar */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 12px 20px;
    background: var(--bg-base);
    border-bottom: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.filter-btn {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 12.5px;
    font-weight: 500;
    padding: 5px 12px;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.filter-btn.active,
.filter-btn:hover {
    border-color: var(--accent-blue);
    color: var(--text-main);
    background: var(--accent-blue-subtle);
}

/* Deploy Footer Bar */
.deploy-bar {
    background: var(--bg-panel-alt);
    border-top: 1px solid var(--border-color);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    cursor: pointer;
    user-select: none;
    color: var(--text-secondary);
}

input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent-blue);
    cursor: pointer;
}

/* Login & First-Run Card */
.auth-wrapper {
    min-height: calc(100vh - 76px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.auth-card {
    width: 100%;
    max-width: 460px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    overflow: hidden;
}

/* Code Diff Viewer */
.diff-container {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow-x: auto;
    max-height: 68vh;
    overflow-y: auto;
}

.diff-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 12.5px;
    line-height: 1.5;
}

.diff-line-num {
    width: 50px;
    min-width: 50px;
    padding: 2px 10px;
    text-align: right;
    color: var(--text-dim);
    background: var(--bg-panel);
    border-right: 1px solid var(--border-color);
    user-select: none;
}

.diff-sign {
    width: 26px;
    min-width: 26px;
    text-align: center;
    font-weight: 700;
    user-select: none;
}

.diff-code {
    padding: 2px 14px;
    white-space: pre;
    color: var(--text-secondary);
}

.diff-row-insert {
    background: rgba(46, 160, 67, 0.16);
}

.diff-row-insert .diff-code,
.diff-row-insert .diff-sign {
    color: #7ee787;
}

.diff-row-delete {
    background: rgba(248, 81, 73, 0.16);
}

.diff-row-delete .diff-code,
.diff-row-delete .diff-sign {
    color: #ffa198;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(1, 4, 9, 0.78);
    backdrop-filter: blur(3px);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 999;
}

.modal-backdrop.open {
    display: flex;
}

.modal-window {
    width: 100%;
    max-width: 1100px;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.65);
    overflow: hidden;
}

/* Quick Pick Chips */
.chip-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 210px;
    overflow-y: auto;
    padding: 4px 2px;
}

.chip {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 11px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.12s ease;
}

.chip:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    background: var(--accent-blue-subtle);
}

.chip.chip-ignored {
    opacity: 0.45;
    cursor: default;
    border-style: dashed;
}

.empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .topbar {
        padding: 12px 16px;
    }
    .container {
        padding: 16px;
    }
    .deploy-bar {
        flex-direction: column;
        align-items: stretch;
    }
}