/* Puddled Tools suite chrome */
:root {
    --tools-bg: #f6f5f2;
    --tools-panel: #ffffff;
    --tools-ink: #1c1b19;
    --tools-muted: #5c5a55;
    --tools-line: #d9d4cb;
    --tools-accent: #0b6e4f;
    --tools-accent-ink: #ffffff;
    --tools-warn: #8a3418;
    --tools-nav-h: 52px;
}

* { box-sizing: border-box; }

body.tools-body {
    margin: 0;
    min-height: 100vh;
    font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
    color: var(--tools-ink);
    background:
        radial-gradient(1200px 500px at 10% -10%, #e7efe9 0%, transparent 55%),
        radial-gradient(900px 400px at 90% 0%, #efe7dc 0%, transparent 50%),
        var(--tools-bg);
}

.tools-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: var(--tools-nav-h);
    padding: 0.55rem 1.25rem;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid var(--tools-line);
    backdrop-filter: blur(8px);
}

.tools-brand {
    display: flex;
    align-items: baseline;
    gap: 0.55rem;
    text-decoration: none;
    color: var(--tools-ink);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.tools-brand span {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--tools-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.tools-nav-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem 0.75rem;
    font-size: 0.92rem;
}

.tools-nav-links a {
    color: var(--tools-muted);
    text-decoration: none;
    padding: 0.25rem 0.45rem;
    border-radius: 6px;
}

.tools-nav-links a:hover {
    color: var(--tools-ink);
    background: #efece6;
}

.tools-nav-links a.is-active {
    color: var(--tools-accent);
    background: #e3f2ec;
    font-weight: 600;
}

.tools-nav-meta {
    color: var(--tools-muted);
    font-size: 0.85rem;
}

.tools-shell {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.25rem 1.25rem 3rem;
}

.tools-shell.wide {
    max-width: none;
}

.tools-page-title {
    margin: 0 0 0.35rem;
    font-size: 1.55rem;
    letter-spacing: -0.03em;
}

.tools-lead {
    margin: 0 0 1.25rem;
    color: var(--tools-muted);
    max-width: 50rem;
}

.tools-card {
    background: var(--tools-panel);
    border: 1px solid var(--tools-line);
    border-radius: 12px;
    padding: 1rem 1.15rem;
    margin-bottom: 1rem;
}

.tools-card h2,
.tools-card h3,
.tools-card h4 {
    margin-top: 0;
}

.tools-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 0.65rem;
    margin: 1rem 0 1.5rem;
}

.tools-flow-step {
    background: var(--tools-panel);
    border: 1px solid var(--tools-line);
    border-radius: 10px;
    padding: 0.85rem 0.95rem;
}

.tools-flow-step strong {
    display: block;
    margin-bottom: 0.25rem;
}

.tools-flow-step span {
    color: var(--tools-muted);
    font-size: 0.88rem;
}

.tools-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--tools-panel);
    border: 1px solid var(--tools-line);
    border-radius: 12px;
    overflow: hidden;
}

.tools-table th,
.tools-table td {
    text-align: left;
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid var(--tools-line);
    vertical-align: top;
}

.tools-table th {
    background: #f0ece4;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--tools-muted);
}

.tools-table tr:last-child td {
    border-bottom: none;
}

.tools-table a {
    color: var(--tools-accent);
    text-decoration: none;
    font-weight: 600;
}

.tools-table a:hover {
    text-decoration: underline;
}

.tools-muted { color: var(--tools-muted); }

.tools-upload {
    margin: 0 0 1.5rem;
    padding: 1rem 1.1rem;
    background: var(--tools-panel);
    border: 1px solid var(--tools-line);
    border-radius: 12px;
}
.tools-upload h2 {
    margin: 0 0 0.35rem;
    font-size: 1.05rem;
}
.tools-upload form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1rem;
    align-items: flex-end;
    margin-top: 0.75rem;
}
.tools-upload label {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--tools-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.tools-upload input[type="text"],
.tools-upload input[type="file"] {
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    color: var(--tools-ink);
}
.tools-upload input[type="text"] {
    min-width: 12rem;
    padding: 0.4rem 0.55rem;
    border: 1px solid var(--tools-line);
    border-radius: 8px;
    background: #fff;
}
.tools-upload button {
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--tools-accent);
    border-radius: 8px;
    background: var(--tools-accent);
    color: var(--tools-accent-ink);
    font-weight: 600;
    cursor: pointer;
}
.tools-upload button:disabled {
    opacity: 0.6;
    cursor: wait;
}

/* Soften old bootstrap-ish tool buttons inside suite */
body.tools-body .menu-btn,
body.tools-body .btn.btn-default {
    display: inline-block;
    margin: 0.15rem 0.2rem 0.15rem 0;
    padding: 0.4rem 0.65rem;
    border: 1px solid var(--tools-line);
    border-radius: 8px;
    background: #fff;
    color: var(--tools-ink);
    cursor: pointer;
    font-size: 0.88rem;
}

body.tools-body .menu-btn.btn-primary,
body.tools-body .btn-primary {
    background: var(--tools-accent);
    border-color: var(--tools-accent);
    color: var(--tools-accent-ink);
}

body.tools-body .container {
    max-width: 1200px;
}

/* OpenCV fullscreen layout under shared nav */
body.tools-opencv {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    background: #1d1c1a;
}

body.tools-opencv .tools-nav {
    flex-shrink: 0;
}

body.tools-opencv .opencv-workspace {
    display: flex;
    flex: 1;
    min-height: 0;
}

body.tools-opencv #canvas-container {
    position: relative;
    flex-grow: 1;
    background: #222;
    overflow: auto;
}

body.tools-opencv .opencv-zoom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin: 0 0 8px;
}
body.tools-opencv .opencv-zoom button {
    width: auto;
    min-width: 2.1rem;
    margin-top: 0;
    padding: 6px 10px;
    border: 1px solid var(--tools-line);
    border-radius: 8px;
    background: #fff;
    color: var(--tools-ink);
    font-weight: 700;
    cursor: pointer;
}
body.tools-opencv .opencv-zoom button:disabled {
    opacity: 0.45;
    cursor: default;
}
body.tools-opencv .opencv-zoom #zoom-fit-btn {
    font-weight: 600;
}
body.tools-opencv .opencv-zoom #zoom-label {
    margin-left: 2px;
}

body.tools-opencv #image-canvas,
body.tools-opencv #box-canvas {
    position: absolute;
    top: 0;
    left: 0;
}

body.tools-opencv #tool-pane {
    width: 300px;
    background: #ebe7df;
    color: var(--tools-ink);
    padding: 16px;
    box-sizing: border-box;
    overflow-y: auto;
    flex-shrink: 0;
}

body.tools-opencv #tool-pane a { color: var(--tools-accent); }
body.tools-opencv .error { color: var(--tools-warn); font-weight: 600; }
body.tools-opencv .meta { font-size: 0.85rem; color: var(--tools-muted); }

body.tools-opencv #delete-btn,
body.tools-opencv #confirm-btn,
body.tools-opencv #run-opencv-btn,
body.tools-opencv #save-boxes-btn {
    margin-top: 10px;
    padding: 8px 10px;
    border: none;
    cursor: pointer;
    width: 100%;
    border-radius: 8px;
    font-weight: 600;
}

body.tools-opencv #delete-btn { background: #b42318; color: #fff; }
body.tools-opencv #confirm-btn,
body.tools-opencv #save-boxes-btn { background: #1a5fb4; color: #fff; }
body.tools-opencv #run-opencv-btn { background: #2ec27e; color: #111; }
body.tools-opencv #run-opencv-btn:disabled,
body.tools-opencv #save-boxes-btn:disabled { opacity: 0.6; cursor: wait; }

.tools-nav-sep {
    width: 1px;
    height: 1.1rem;
    background: var(--tools-line);
    margin: 0 0.15rem;
}

.tools-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0 0 1.25rem;
}

.tools-actions a {
    display: inline-block;
    padding: 0.45rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--tools-line);
    background: #fff;
    color: var(--tools-ink);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 600;
}

.tools-actions a:hover {
    border-color: var(--tools-accent);
    color: var(--tools-accent);
}

.tools-actions a.primary {
    background: var(--tools-accent);
    border-color: var(--tools-accent);
    color: var(--tools-accent-ink);
}

.tools-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.85rem;
}

.tools-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0.45rem;
    min-height: 170px;
    padding: 0.75rem;
    border: 1px solid var(--tools-line);
    border-radius: 12px;
    background: var(--tools-panel);
    text-decoration: none;
    color: var(--tools-ink);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.tools-tile:hover {
    border-color: var(--tools-accent);
    box-shadow: 0 6px 18px rgba(28, 27, 25, 0.08);
}

.tools-tile-media {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 120px;
    border-radius: 8px;
    background-color: #d8d4cc;
    background-image:
        linear-gradient(45deg, #c8c3b8 25%, transparent 25%),
        linear-gradient(-45deg, #c8c3b8 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #c8c3b8 75%),
        linear-gradient(-45deg, transparent 75%, #c8c3b8 75%);
    background-size: 14px 14px;
    background-position: 0 0, 0 7px, 7px -7px, -7px 0;
    overflow: hidden;
}

.tools-tile-media img {
    max-width: 92%;
    max-height: 92%;
    object-fit: contain;
}

.tools-tile-label {
    font-size: 0.85rem;
    font-weight: 600;
    text-align: center;
}

.tools-tile-media img.is-broken {
    opacity: 0.35;
}

.tools-pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    margin: 1.5rem 0 0.5rem;
}

.tools-pager-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.1rem;
    padding: 0.4rem 0.65rem;
    border: 1px solid var(--tools-line);
    border-radius: 8px;
    background: var(--tools-panel);
    color: var(--tools-ink);
    text-decoration: none;
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
}

.tools-pager-link:hover {
    border-color: var(--tools-accent);
    color: var(--tools-accent);
}

.tools-pager-link.is-current {
    background: var(--tools-accent);
    border-color: var(--tools-accent);
    color: var(--tools-accent-ink);
    font-weight: 600;
}

.tools-pager-link.is-disabled {
    opacity: 0.4;
    pointer-events: none;
}

.tools-pager-ellipsis {
    color: var(--tools-muted);
    padding: 0 0.2rem;
}

.tools-versions figure.is-missing {
    opacity: 0.45;
}

.tools-versions figure.is-missing figcaption::after {
    content: " — missing";
}

.tools-preview {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: min(100%, 320px);
    min-height: 280px;
    max-width: 100%;
    padding: 1.25rem;
    margin: 0 0 1.25rem;
    border: 1px solid var(--tools-line);
    border-radius: 12px;
    background-color: #d8d4cc;
    background-image:
        linear-gradient(45deg, #c8c3b8 25%, transparent 25%),
        linear-gradient(-45deg, #c8c3b8 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #c8c3b8 75%),
        linear-gradient(-45deg, transparent 75%, #c8c3b8 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.tools-preview img {
    max-width: min(640px, 100%);
    max-height: 70vh;
}

.tools-versions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.tools-versions figure {
    margin: 0;
    text-align: center;
    padding: 0.65rem;
    border: 1px solid var(--tools-line);
    border-radius: 10px;
    background: var(--tools-panel);
}

.tools-versions img {
    max-width: 160px;
    max-height: 160px;
}

.tools-versions figcaption {
    margin-top: 0.4rem;
    font-size: 0.78rem;
    color: var(--tools-muted);
}

.tools-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1.25rem;
    margin: 0 0 1rem;
    color: var(--tools-muted);
    font-size: 0.92rem;
}

.tools-meta-row strong {
    color: var(--tools-ink);
    font-weight: 600;
}

.tools-scan-hero {
    display: grid;
    grid-template-columns: minmax(180px, 280px) 1fr;
    gap: 1.25rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

@media (max-width: 720px) {
    .tools-scan-hero {
        grid-template-columns: 1fr;
    }
    .tools-nav-links {
        width: 100%;
    }
}

/* Labels browser */
.labels-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.65rem;
    margin: 0 0 1.35rem;
}

.labels-stat {
    background: var(--tools-panel);
    border: 1px solid var(--tools-line);
    border-radius: 10px;
    padding: 0.85rem 0.95rem;
}

.labels-stat strong {
    display: block;
    font-size: 1.45rem;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.labels-stat span {
    color: var(--tools-muted);
    font-size: 0.82rem;
}

.labels-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin: 0 0 0.85rem;
}

.labels-toolbar input[type="search"] {
    flex: 1 1 220px;
    max-width: 28rem;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--tools-line);
    border-radius: 8px;
    font: inherit;
    background: var(--tools-panel);
}

.labels-table .labels-count {
    font-variant-numeric: tabular-nums;
    font-weight: 600;
}

.labels-bar {
    height: 0.55rem;
    background: #efece6;
    border-radius: 999px;
    overflow: hidden;
}

.labels-bar span {
    display: block;
    height: 100%;
    background: var(--tools-accent);
    border-radius: inherit;
}

.labels-asset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
}

.labels-asset-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--tools-panel);
    border: 1px solid var(--tools-line);
    border-radius: 10px;
    overflow: hidden;
}

.labels-asset-card:hover {
    border-color: #b9b3a7;
}

.labels-asset-card img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background:
        linear-gradient(45deg, #eee 25%, transparent 25%),
        linear-gradient(-45deg, #eee 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #eee 75%),
        linear-gradient(-45deg, transparent 75%, #eee 75%);
    background-size: 12px 12px;
    background-position: 0 0, 0 6px, 6px -6px, -6px 0;
    background-color: #fff;
}

.labels-asset-meta {
    padding: 0.55rem 0.65rem 0.7rem;
}

.labels-asset-meta strong {
    display: block;
    font-size: 0.85rem;
}

.labels-asset-meta span {
    display: block;
    margin-top: 0.15rem;
    color: var(--tools-muted);
    font-size: 0.78rem;
    line-height: 1.3;
    max-height: 2.6em;
    overflow: hidden;
}

/* Asset detail data */
.asset-data-card h2 {
    margin: 0 0 0.75rem;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
}

.asset-chip-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.asset-chip {
    display: inline-block;
    padding: 0.28rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--tools-line);
    background: #eef6f2;
    color: var(--tools-accent);
    text-decoration: none;
    font-size: 0.85rem;
    line-height: 1.2;
}

.asset-chip:hover {
    border-color: #9fbfb1;
    background: #e3f2ec;
}

.asset-chip-muted {
    background: #f3f1ec;
    color: var(--tools-ink);
}

.asset-dl {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.65rem 1rem;
    margin: 0;
}

.asset-dl > div {
    min-width: 0;
}

.asset-dl dt {
    margin: 0;
    color: var(--tools-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.asset-dl dd {
    margin: 0.15rem 0 0;
    font-size: 0.95rem;
    word-break: break-word;
}

.asset-pre {
    margin: 0;
    padding: 0.75rem 0.85rem;
    border-radius: 8px;
    background: #f3f1ec;
    border: 1px solid var(--tools-line);
    font-size: 0.78rem;
    line-height: 1.4;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 16rem;
    overflow: auto;
}