/* ===== GitFlow Visualizer Styles ===== */

/* ===== Language Switcher ===== */
.lang-switcher {
    margin-left: auto;
    display: flex;
    gap: 3px;
    align-items: center;
}

.lang-btn {
    width: 28px;
    height: 24px;
    border: 1px solid var(--gfv-border, #2a3444);
    border-radius: 4px;
    background: transparent;
    color: var(--gfv-text-light, #8892a4);
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    line-height: 24px;
    text-align: center;
    font-family: inherit;
}

.lang-btn:hover {
    background: var(--gfv-accent-light, #1e2248);
    border-color: var(--gfv-accent, #89b4fa);
    color: var(--gfv-accent, #89b4fa);
}

.lang-btn.active {
    background: var(--gfv-accent, #89b4fa);
    border-color: var(--gfv-accent, #89b4fa);
    color: #141922;
}

:root {
    --gfv-classic-color: #89b4fa;
    --gfv-github-color: #a6e3a1;
    --gfv-gitlab-color: #fab387;
    --gfv-trunk-color: #cba6f7;
    --gfv-oneflow-color: #f9e2af;
    --gfv-environment-color: #94e2d5;
    --gfv-release-color: #f38ba8;
    --gfv-forking-color: #89dceb;
    --gfv-ship-show-ask-color: #eba0ac;
    --gfv-scaled-color: #74c7ec;
    --gfv-cherrypick-color: #f5c2e7;

    --gfv-bg: #141922;
    --gfv-card-bg: #1a2030;
    --gfv-border: #2a3444;
    --gfv-text: #e0e4ea;
    --gfv-text-light: #8892a4;
    --gfv-radius: 8px;
    --gfv-shadow: 0 2px 8px rgba(0,0,0,0.3);
    --gfv-accent: #89b4fa;
    --gfv-accent-bg: #161830;
    --gfv-accent-light: #1e2248;
    --gfv-transition: 0.25s ease;

    --gfv-branch-main: #a6e3a1;
    --gfv-branch-develop: #89b4fa;
    --gfv-branch-feature: #cba6f7;
    --gfv-branch-release: #f9e2af;
    --gfv-branch-hotfix: #f38ba8;
    --gfv-branch-staging: #94e2d5;
    --gfv-branch-production: #fab387;
    --gfv-branch-qa: #89dceb;
    --gfv-branch-team: #74c7ec;
    --gfv-branch-program: #eba0ac;
    --gfv-branch-upstream: #a6e3a1;
    --gfv-branch-origin: #89b4fa;

    --gfv-commit-r: 8;
    --gfv-branch-spacing: 80;
    --gfv-commit-spacing: 70;
    --gfv-label-width: 140;
}

.gfv-page {
    max-width: 1200px;
    min-width: 960px;
    margin: 0 auto;
    padding: 0 10px;
    color: var(--gfv-text);
}

.gfv-page *,
.gfv-page *::before,
.gfv-page *::after {
    box-sizing: border-box;
}

.gfv-page button,
.gfv-page select,
.gfv-page input,
.gfv-page textarea {
    color: var(--gfv-text);
    font-family: inherit;
}

/* ===== Flow Navigation (Level 1) ===== */
.flow-nav {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.flow-tab {
    padding: 5px 10px;
    border: 1px solid var(--gfv-border);
    background: var(--gfv-card-bg);
    border-radius: var(--gfv-radius);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all var(--gfv-transition);
    white-space: nowrap;
}

.flow-tab:hover {
    border-color: var(--gfv-accent);
    background: var(--gfv-accent-bg);
}

.flow-tab.active {
    background: var(--gfv-accent);
    color: #0d1117;
    border-color: var(--gfv-accent);
    font-weight: 600;
}

/* ===== Mode Tabs (Level 2) ===== */
.mode-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.mode-tab {
    padding: 5px 12px;
    border: 1px solid var(--gfv-border);
    background: transparent;
    border-radius: var(--gfv-radius);
    cursor: pointer;
    font-size: 12px;
    transition: all var(--gfv-transition);
}

.mode-tab:hover {
    border-color: var(--gfv-accent);
    color: var(--gfv-accent);
}

.mode-tab.active {
    background: var(--gfv-accent-light);
    border-color: var(--gfv-accent);
    color: var(--gfv-accent);
    font-weight: 600;
}

/* ===== Global Controls ===== */
.global-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--gfv-card-bg);
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    padding: 8px 14px;
    margin-bottom: 12px;
    flex-wrap: nowrap;
    gap: 10px;
    transition: none;
}

.global-controls.is-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    border-radius: 0 0 var(--gfv-radius) var(--gfv-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.global-controls-placeholder {
    display: none;
}

.global-controls-placeholder.is-active {
    display: block;
}

.controls-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.controls-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ctrl-btn {
    padding: 5px 12px;
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    background: var(--gfv-card-bg);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all var(--gfv-transition);
}

.ctrl-btn:hover:not(:disabled) {
    border-color: var(--gfv-accent);
    color: var(--gfv-accent);
}

.ctrl-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.run-btn {
    background: var(--gfv-accent);
    color: #0d1117;
    border-color: var(--gfv-accent);
    font-weight: 600;
}

.run-btn:hover:not(:disabled) {
    filter: brightness(1.15);
    color: #0d1117;
}

.step-btn {
    padding: 5px 10px;
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    background: transparent;
    cursor: pointer;
    font-size: 12px;
    transition: all var(--gfv-transition);
}

.step-btn:hover:not(:disabled) {
    border-color: var(--gfv-accent);
    color: var(--gfv-accent);
}

.step-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.step-btn.active {
    background: var(--gfv-accent-light);
    border-color: var(--gfv-accent);
    color: var(--gfv-accent);
}

.speed-label {
    font-size: 12px;
    color: var(--gfv-text-light);
    margin-left: 6px;
}

.speed-range {
    width: 80px;
    accent-color: var(--gfv-accent);
}

.speed-value {
    display: none;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.stat-label {
    font-size: 10px;
    color: var(--gfv-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--gfv-accent);
}

/* ===== Pattern Description ===== */
.pattern-desc {
    font-size: 13px;
    color: var(--gfv-text-light);
    margin-bottom: 12px;
    line-height: 1.5;
    min-height: 20px;
}

.pattern-desc-link {
    color: var(--gfv-accent);
    text-decoration: none;
    margin-left: 6px;
    opacity: 0.8;
    transition: opacity var(--gfv-transition);
}

.pattern-desc-link:hover {
    opacity: 1;
    text-decoration: underline;
}

/* ===== Pattern Details (Principles & Concepts) ===== */
.pattern-details {
    margin-bottom: 12px;
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    background: var(--gfv-card-bg);
}

.pattern-details-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--gfv-text);
    text-align: left;
}

.pattern-details-toggle-icon {
    font-size: 10px;
    transition: transform var(--gfv-transition);
}

.pattern-details-toggle[aria-expanded="true"] .pattern-details-toggle-icon {
    transform: rotate(90deg);
}

.pattern-details-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 14px;
}

.pattern-details-body.expanded {
    max-height: 600px;
    padding: 0 14px 14px;
}

.pattern-details-section {
    margin-bottom: 12px;
}

.pattern-details-section-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--gfv-accent);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.pattern-details-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.pattern-details-list li {
    font-size: 12px;
    color: var(--gfv-text-light);
    padding: 3px 0 3px 16px;
    position: relative;
}

.pattern-details-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--gfv-accent);
}

.pattern-concepts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.pattern-concept {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 8px;
    background: var(--gfv-accent-bg);
    border-radius: 4px;
    border-left: 2px solid var(--gfv-accent);
}

.pattern-concept-term {
    font-size: 12px;
    font-weight: 600;
    color: var(--gfv-accent);
}

.pattern-concept-def {
    font-size: 11px;
    color: var(--gfv-text-light);
    line-height: 1.4;
}

/* ===== Visualization Area ===== */
.viz-area {
    position: relative;
    background: var(--gfv-bg);
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    padding: 16px;
    margin-bottom: 12px;
    min-height: 300px;
    overflow-x: auto;
}

#gfv-canvas {
    width: 100%;
    min-width: 900px;
    display: block;
}

/* ===== SVG Git Graph Styles ===== */
.gfv-branch-line {
    fill: none;
    stroke-width: 4;
    stroke-linecap: round;
}

.gfv-commit {
    stroke-width: 2.5;
    stroke: var(--gfv-bg);
    cursor: default;
    transition: r 0.2s ease;
}

.gfv-commit.active {
    filter: drop-shadow(0 0 8px currentColor);
}

.gfv-merge-path {
    fill: none;
    stroke-width: 3;
    stroke-linecap: round;
    opacity: 0.7;
}

.gfv-branch-label {
    font-size: 14px;
    font-weight: 700;
    fill: var(--gfv-text);
    dominant-baseline: middle;
}

.gfv-commit-label {
    font-size: 12px;
    font-weight: 500;
    fill: var(--gfv-text-light);
    dominant-baseline: middle;
}

.gfv-tag {
    font-size: 12px;
    font-weight: 700;
    fill: #0d1117;
    dominant-baseline: middle;
    text-anchor: middle;
}

.gfv-tag-bg {
    rx: 5;
    ry: 5;
}

.gfv-pr-badge {
    font-size: 11px;
    font-weight: 700;
    fill: #0d1117;
    dominant-baseline: middle;
    text-anchor: middle;
}

.gfv-pr-badge-bg {
    rx: 7;
    ry: 7;
    fill: var(--gfv-accent);
}

.gfv-deploy-icon {
    font-size: 18px;
    dominant-baseline: middle;
    text-anchor: middle;
}

.gfv-cherry-pick-path {
    fill: none;
    stroke-width: 3;
    stroke-dasharray: 6 4;
    opacity: 0.8;
}

.gfv-rebase-path {
    fill: none;
    stroke-width: 3;
    stroke-dasharray: 3 3;
    opacity: 0.6;
}

.gfv-delete-line {
    stroke: #f38ba8;
    stroke-width: 3;
    stroke-dasharray: 4 4;
    opacity: 0.5;
}

.gfv-zone-separator {
    stroke: var(--gfv-border);
    stroke-width: 1;
    stroke-dasharray: 8 4;
}

.gfv-zone-label {
    font-size: 11px;
    font-weight: 600;
    fill: var(--gfv-text-light);
    text-anchor: middle;
}

.gfv-badge {
    font-size: 10px;
    font-weight: 700;
    dominant-baseline: middle;
    text-anchor: middle;
}

/* ===== Tooltip ===== */
.gfv-tooltip {
    position: fixed;
    background: var(--gfv-card-bg, #1a2030);
    border: 1px solid var(--gfv-accent, #89b4fa);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 11px;
    color: var(--gfv-text, #e0e4ea);
    white-space: normal;
    width: max-content;
    max-width: 220px;
    z-index: 9999;
    pointer-events: none;
    opacity: 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
    line-height: 1.4;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    transition: opacity 0.15s ease;
}

.gfv-tooltip.visible {
    opacity: 1;
}

.gfv-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid var(--gfv-accent, #89b4fa);
}

/* SVG element fade-in animation */
.gfv-fade-in {
    animation: gfvFadeIn 0.35s ease forwards;
}

@keyframes gfvFadeIn {
    from { opacity: 0; transform: scale(0.7); }
    to { opacity: 1; transform: scale(1); }
}

.gfv-slide-in {
    animation: gfvSlideIn 0.3s ease forwards;
}

@keyframes gfvSlideIn {
    from { opacity: 0; transform: translateX(-10px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ===== Flow Legend ===== */
.gfv-flow-legend {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
    margin-top: 12px;
    padding: 8px 0 0;
    border-top: 1px solid var(--gfv-border);
    font-size: 12px;
    color: var(--gfv-text-light);
    opacity: 0.7;
}

.gfv-flow-legend .legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}

.gfv-flow-legend .legend-item svg {
    flex-shrink: 0;
}

/* ===== Trade-offs Panel ===== */
.pattern-tradeoffs {
    margin-bottom: 12px;
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    background: var(--gfv-card-bg);
}

.pattern-tradeoffs-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    font-weight: 600;
    color: var(--gfv-text);
    text-align: left;
}

.pattern-tradeoffs-toggle-icon {
    font-size: 10px;
    transition: transform var(--gfv-transition);
}

.pattern-tradeoffs-toggle[aria-expanded="true"] .pattern-tradeoffs-toggle-icon {
    transform: rotate(90deg);
}

.pattern-tradeoffs-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 14px;
}

.pattern-tradeoffs-body.expanded {
    max-height: 600px;
    padding: 0 14px 14px;
}

.tradeoffs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 10px;
}

.tradeoffs-col-title {
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
}

.tradeoffs-col-title.pros { color: #a6e3a1; }
.tradeoffs-col-title.cons { color: #f38ba8; }

.tradeoffs-item {
    font-size: 12px;
    color: var(--gfv-text-light);
    padding: 4px 0 4px 8px;
    border-left: 2px solid var(--gfv-border);
    margin-bottom: 4px;
}

.tradeoffs-item.pro { border-color: #a6e3a1; }
.tradeoffs-item.con { border-color: #f38ba8; }

.tradeoffs-when {
    padding: 8px 10px;
    background: var(--gfv-accent-bg);
    border-radius: 4px;
    border-left: 3px solid var(--gfv-accent);
}

.tradeoffs-when-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--gfv-accent);
    margin-bottom: 4px;
}

.tradeoffs-when {
    font-size: 12px;
    color: var(--gfv-text-light);
    line-height: 1.5;
}

/* ===== Branch Rules Panel ===== */
.dep-rules-panel {
    margin-bottom: 12px;
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    background: var(--gfv-card-bg);
    padding: 10px 14px;
}

.dep-rules-header {
    font-size: 11px;
    font-weight: 600;
    color: var(--gfv-text-light);
    margin-bottom: 8px;
}

.dep-rules-body {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.dep-rule {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 4px;
    background: var(--gfv-accent-bg);
}

.dep-rule.allowed { color: #a6e3a1; }
.dep-rule.forbidden { color: #f38ba8; }

.dep-rule-icon { font-size: 11px; }

/* ===== Event Log ===== */
.event-log-container {
    border: 1px solid var(--gfv-border);
    border-radius: var(--gfv-radius);
    background: var(--gfv-card-bg);
    margin-bottom: 12px;
}

.event-log-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    border-bottom: 1px solid var(--gfv-border);
    font-size: 11px;
    font-weight: 600;
    color: var(--gfv-text-light);
}

.event-log-header div {
    display: flex;
    gap: 6px;
}

.log-clear-btn {
    padding: 2px 8px;
    border: 1px solid var(--gfv-border);
    border-radius: 4px;
    background: transparent;
    cursor: pointer;
    font-size: 11px;
    color: var(--gfv-text-light);
    transition: all var(--gfv-transition);
}

.log-clear-btn:hover {
    border-color: var(--gfv-accent);
    color: var(--gfv-accent);
}

.event-log {
    max-height: 200px;
    overflow-y: auto;
    padding: 8px 14px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 11px;
}

.log-entry {
    display: flex;
    gap: 8px;
    padding: 2px 0;
    border-bottom: 1px solid rgba(42,52,68,0.3);
}

.log-time {
    color: var(--gfv-text-light);
    min-width: 85px;
}

.log-type {
    min-width: 72px;
    font-weight: 600;
    text-transform: uppercase;
}

.log-type.COMMIT { color: var(--gfv-branch-main); }
.log-type.MERGE { color: #89b4fa; }
.log-type.BRANCH { color: var(--gfv-branch-feature); }
.log-type.TAG { color: var(--gfv-branch-release); }
.log-type.PR { color: var(--gfv-accent); }
.log-type.DEPLOY { color: #fab387; }
.log-type.CHERRY_PICK,
.log-type.CHERRY-PICK { color: var(--gfv-cherrypick-color); }
.log-type.REBASE { color: #f9e2af; }
.log-type.DELETE { color: #f38ba8; }
.log-type.REQUEST { color: var(--gfv-accent); }
.log-type.RESPONSE { color: #a6e3a1; }
.log-type.FLOW { color: var(--gfv-text-light); }

.log-text {
    color: var(--gfv-text);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .gfv-page {
        min-width: auto;
    }

    .flow-nav {
        gap: 3px;
    }

    .flow-tab {
        padding: 5px 10px;
        font-size: 12px;
    }
}

@media (max-width: 900px) {
    .global-controls {
        flex-direction: column;
        gap: 8px;
    }

    .controls-right {
        width: 100%;
        justify-content: center;
    }

    .pattern-concepts-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 768px) {
    .flow-nav {
        flex-wrap: wrap;
    }

    .flow-tab {
        flex: 1 1 auto;
        text-align: center;
        min-width: 80px;
    }

    .viz-area {
        padding: 10px;
    }
}

@media (max-width: 600px) {
    .controls-left {
        width: 100%;
        justify-content: center;
    }

    .speed-range {
        width: 60px;
    }
}

/* ===== Print ===== */
@media print {
    .global-controls,
    .event-log-container,
    .flow-nav,
    .mode-tabs {
        display: none;
    }
}