/* ==========================================================================
   GRAPH CONTROLS — Shared zoom + fullscreen controls
   Used by: Workflow Graph, Diagram Tab (Mermaid ontology graphs)
   ========================================================================== */


/* ── Zoom control bar ─────────────────────────────────── */

.gc-controls {
    position: absolute;
    top: 10px;
    left: 10px;
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 2px 3px;
    z-index: 10;
    filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.15));
}

.gc-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
}

.gc-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-secondary);
}

.gc-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.gc-btn-reset {
    margin-left: 2px;
    border-left: 1px solid var(--border-color);
    padding-left: 4px;
    border-radius: 0 4px 4px 0;
}

.gc-zoom-level {
    font-size: 9px;
    font-weight: 600;
    color: var(--text-tertiary);
    min-width: 30px;
    text-align: center;
    user-select: none;
    letter-spacing: 0.3px;
}

[data-theme="dark"] .gc-controls {
    background: #1e1e1e;
    border-color: #3a3a3a;
    filter: drop-shadow(0 1px 6px rgba(0, 0, 0, 0.5));
}

[data-theme="dark"] .gc-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.08);
    color: #cccccc;
}

[data-theme="dark"] .gc-btn-reset {
    border-left-color: #3a3a3a;
}


/* ── Fullscreen button ────────────────────────────────── */

.gc-fullscreen-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 6px;
    z-index: 10;
    transition: background 0.15s, color 0.15s, filter 0.15s;
    filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.15));
}

.gc-fullscreen-btn:hover {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .gc-fullscreen-btn {
    background: #1e1e1e;
    border-color: #3a3a3a;
    filter: drop-shadow(0 1px 6px rgba(0, 0, 0, 0.5));
}

[data-theme="dark"] .gc-fullscreen-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #cccccc;
}


/* ── Fullscreen overlay ───────────────────────────────── */

.gc-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 10000;
    background: var(--bg-primary, #0e0e0e);
    flex-direction: column;
}

.gc-overlay.visible {
    display: flex;
}

.gc-overlay-close {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 6px;
    z-index: 10;
    transition: color 0.15s, background 0.15s;
    filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.3));
}

.gc-overlay-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.gc-overlay-body {
    flex: 1;
    overflow: auto;
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 60px 40px 24px 40px;
    width: 100%;
    box-sizing: border-box;
}

.gc-overlay-body > * {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.gc-overlay-content {
    transition: transform 0.15s ease;
    transform-origin: 0 0;
    width: 100%;
    min-width: 0;
}

/* SVG inside overlay — fit within viewport at 100% zoom */
.gc-overlay-content svg {
    width: 100% !important;
    height: calc(100vh - 100px) !important;
    max-width: 100% !important;
}

/* Zoom controls inside overlay need adjusted positioning */
.gc-overlay > .gc-controls {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 10001;
}

[data-theme="dark"] .gc-overlay {
    background: #0e0e0e;
}

[data-theme="dark"] .gc-overlay-close {
    border-color: #3a3a3a;
    background: #1e1e1e;
}

[data-theme="dark"] .gc-overlay-close:hover {
    background: rgba(255, 255, 255, 0.08);
    color: #cccccc;
}


/* ==========================================================================
   Diagram container — Mermaid ontology graph rendering
   ========================================================================== */

.diagram-container {
    position: relative;
    overflow: auto;
    min-height: 200px;
    max-height: 45vh;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    margin-bottom: 12px;
    padding: 46px 10px 10px 10px;
}

.diagram-container .mermaid-view {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    width: 100%;
    height: 100%;
}

.diagram-container .mermaid-view .mermaid {
    width: 100%;
    display: flex;
    justify-content: center;
}

/* SVG fills the box, preserveAspectRatio="meet" scales to fit */
.diagram-container .mermaid-view svg {
    width: 100% !important;
    height: calc(45vh - 60px) !important;
    max-width: 100% !important;
}

[data-theme="dark"] .diagram-container {
    background: #141414;
    border-color: #3a3a3a;
}

/* YAML block below diagram — match container width and borders */
.diagram-container + .markdown-content {
    border-radius: 6px;
    overflow: hidden;
}

.diagram-container + .markdown-content pre {
    margin: 0;
    border: 1px solid var(--border-color) !important;
    border-radius: 6px;
}

[data-theme="dark"] .diagram-container + .markdown-content pre {
    border-color: #3a3a3a !important;
}