:root {
    --app-ink: #0f172a;
    --app-ink-2: #1e293b;
    --app-muted: #64748b;
    --app-line: #e2e8f0;
    --app-bg: #f4f6f9;
    --app-accent: #d0021b;
    --app-accent-dark: #a50016;
    --app-accent-soft: #fdecee;
    --app-ok: #16a34a;
    --app-warn: #d97706;
    --bs-primary: var(--app-accent);
    --bs-primary-rgb: 208, 2, 27;
    --bs-link-color: var(--app-accent);
    --bs-link-color-rgb: 208, 2, 27;
    --bs-link-hover-color: var(--app-accent-dark);
    --bs-body-font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --bs-body-color: #1e293b;
    --bs-border-color: var(--app-line);
}

body {
    background: var(--app-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-size: .925rem;
}

main { flex: 1 0 auto; }

.mono, .asset-no { font-family: "JetBrains Mono", ui-monospace, Consolas, monospace; font-weight: 600; letter-spacing: -.01em; }
.min-w-0 { min-width: 0; }

/* Buttons */
.btn-primary {
    --bs-btn-bg: var(--app-accent);
    --bs-btn-border-color: var(--app-accent);
    --bs-btn-hover-bg: var(--app-accent-dark);
    --bs-btn-hover-border-color: var(--app-accent-dark);
    --bs-btn-active-bg: var(--app-accent-dark);
    --bs-btn-active-border-color: var(--app-accent-dark);
    --bs-btn-disabled-bg: var(--app-accent);
    --bs-btn-disabled-border-color: var(--app-accent);
    font-weight: 600;
}
.btn-outline-primary {
    --bs-btn-color: var(--app-accent);
    --bs-btn-border-color: var(--app-accent);
    --bs-btn-hover-bg: var(--app-accent);
    --bs-btn-hover-border-color: var(--app-accent);
    --bs-btn-active-bg: var(--app-accent-dark);
}
.form-control:focus, .form-select:focus, .form-check-input:focus {
    border-color: #f08a96;
    box-shadow: 0 0 0 .2rem rgba(208, 2, 27, .15);
}
.form-check-input:checked { background-color: var(--app-accent); border-color: var(--app-accent); }
.page-link { color: var(--app-ink-2); }
.active > .page-link, .page-link.active { background: var(--app-ink); border-color: var(--app-ink); }

/* Navbar */
.app-navbar {
    background: linear-gradient(90deg, var(--app-ink) 0%, var(--app-ink-2) 100%);
    border-bottom: 3px solid var(--app-accent);
    padding-block: .6rem;
}
.brand-mark {
    width: 38px; height: 38px; border-radius: 10px;
    display: inline-grid; place-items: center;
    background: var(--app-accent); color: #fff; font-size: 1.25rem;
    box-shadow: 0 4px 14px rgba(208, 2, 27, .4);
}
.brand-title { color: #fff; font-weight: 700; font-size: 1.05rem; letter-spacing: -.01em; }
.brand-sub { color: #94a3b8; font-size: .72rem; font-weight: 500; text-transform: uppercase; letter-spacing: .06em; }

/* Stepper */
.stepper { display: flex; gap: .5rem; list-style: none; padding: 0; margin: 0; flex-wrap: wrap; }
.stepper li {
    display: flex; align-items: center; gap: .55rem;
    padding: .45rem .9rem .45rem .5rem; border-radius: 999px;
    background: #fff; border: 1px solid var(--app-line); color: var(--app-muted);
    font-weight: 500; font-size: .85rem;
}
.stepper .num {
    width: 24px; height: 24px; border-radius: 50%;
    display: grid; place-items: center; font-size: .75rem; font-weight: 700;
    background: #eef2f7; color: var(--app-muted);
}
.stepper li.active { color: var(--app-ink); border-color: #f3b6be; }
.stepper li.active .num { background: var(--app-accent); color: #fff; }
.stepper li.done .num { background: var(--app-ink); color: #fff; }
.stepper li.done { color: var(--app-ink); }

/* Cards */
.app-card { border: 1px solid var(--app-line); border-radius: 14px; box-shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .04); overflow: hidden; }
.app-card-header { background: #fff; border-bottom: 1px solid var(--app-line); padding: .8rem 1rem; }
.app-card-header .h6 { font-weight: 700; color: var(--app-ink); }
.app-card-footer { background: #f8fafc; border-top: 1px solid var(--app-line); color: var(--app-muted); padding: .7rem 1rem; }
.section-label { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--app-muted); margin-bottom: .6rem; }

/* Dropzone */
.dropzone {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .35rem;
    text-align: center; cursor: pointer;
    padding: 3rem 1.5rem; border-radius: 14px;
    border: 2px dashed #cbd5e1; background: #f8fafc;
    transition: border-color .15s, background .15s, transform .15s;
}
.dropzone:hover, .dropzone.dragover { border-color: var(--app-accent); background: var(--app-accent-soft); }
.dropzone.dragover { transform: scale(1.01); }
.dz-icon { width: 64px; height: 64px; border-radius: 16px; display: grid; place-items: center; background: #fff; color: var(--app-accent); font-size: 2rem; box-shadow: 0 6px 18px rgba(15, 23, 42, .08); margin-bottom: .5rem; }
.dz-title { font-size: 1.15rem; font-weight: 700; color: var(--app-ink); }
.dz-sub { color: var(--app-muted); font-size: .88rem; }
.dz-progress { margin-top: .75rem; color: var(--app-ink); font-weight: 600; }
.dropzone.busy { pointer-events: none; opacity: .85; }

.columns-table { font-size: .82rem; border: 1px solid var(--app-line); }
.columns-table thead th { background: var(--app-ink); color: #fff; font-weight: 600; border: 0; white-space: nowrap; }

/* Stats */
.stat-card { display: flex; align-items: center; gap: .8rem; background: #fff; border: 1px solid var(--app-line); border-radius: 12px; padding: .85rem 1rem; height: 100%; }
.stat-icon { width: 40px; height: 40px; flex: 0 0 40px; border-radius: 10px; display: grid; place-items: center; background: #f1f5f9; color: var(--app-ink); font-size: 1.15rem; }
.stat-icon.warn { background: #fef3c7; color: var(--app-warn); }
.stat-label { font-size: .72rem; color: var(--app-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.stat-value { font-size: 1.2rem; font-weight: 700; color: var(--app-ink); line-height: 1.25; }

/* Table */
.search-box { max-width: 300px; }
.asset-table-wrap { max-height: calc(100vh - 330px); min-height: 320px; overflow: auto; }
.asset-table { font-size: .88rem; }
.asset-table thead th {
    position: sticky; top: 0; z-index: 2;
    background: #f8fafc; color: var(--app-muted);
    font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
    border-bottom: 1px solid var(--app-line); white-space: nowrap; padding-block: .65rem;
}
.asset-table td { border-color: #f1f5f9; }
.asset-table .col-check { width: 42px; }
.asset-table .col-idx { width: 48px; color: #94a3b8; font-size: .78rem; }
.asset-table tbody tr { cursor: pointer; }
.asset-table tbody tr.is-previewed > * { background: #fff5f6; box-shadow: inset 3px 0 0 var(--app-accent); }
.asset-table tbody tr.is-previewed > *:not(:first-child) { box-shadow: none; }
.asset-table tbody tr.unselected td:not(:first-child):not(:last-child) { color: #94a3b8; }
.asset-table .cat-chip { display: inline-block; padding: .15rem .55rem; border-radius: 6px; background: #f1f5f9; font-size: .78rem; font-weight: 500; white-space: nowrap; }
.asset-table .warn-icon { color: var(--app-warn); margin-left: .35rem; }
.asset-table .row-actions .btn { --bs-btn-padding-y: .15rem; --bs-btn-padding-x: .45rem; }
.empty-row td { text-align: center; color: var(--app-muted); padding: 3rem 1rem !important; cursor: default; }

/* Label preview */
.label-stage {
    display: grid; place-items: center;
    padding: 1.5rem 1rem; border-radius: 12px;
    background:
        linear-gradient(45deg, #eef1f5 25%, transparent 25%, transparent 75%, #eef1f5 75%) 0 0 / 16px 16px,
        linear-gradient(45deg, #eef1f5 25%, transparent 25%, transparent 75%, #eef1f5 75%) 8px 8px / 16px 16px,
        #f8fafc;
    border: 1px solid var(--app-line);
    overflow: hidden;
}
.label-stage-sm { padding: 1.25rem .5rem; }
.label-scale {
    --scale: 2;
    width: calc(50mm * var(--scale));
    height: calc(25mm * var(--scale));
    position: relative;
}
.label-scale .tag {
    position: absolute; top: 0; left: 0;
    transform: scale(var(--scale)); transform-origin: 0 0;
    border-radius: 1.2mm;
    box-shadow: 0 .3mm 1.2mm rgba(15, 23, 42, .18), 0 0 0 .15mm #cbd5e1;
}

/* Print panel */
.side-sticky { position: sticky; top: 84px; }
.total-box { border: 1px solid var(--app-line); border-radius: 8px; padding: .3rem .7rem; background: #f8fafc; text-align: right; }
.total-value { font-size: 1.35rem; font-weight: 700; color: var(--app-ink); line-height: 1.2; }
.print-card #printBtn { padding-block: .75rem; font-size: 1rem; }

.app-footer { color: var(--app-muted); }

.print-frame { position: fixed; right: 0; bottom: 0; width: 0; height: 0; border: 0; visibility: hidden; }

@media (max-width: 1199.98px) {
    .side-sticky { position: static; }
    .asset-table-wrap { max-height: 60vh; }
}
@media (max-width: 575.98px) {
    .search-box { max-width: none; width: 100% !important; }
    .stepper .txt { display: none; }
}