/* ===== App shell layout ===== */
.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ---- Header ---- */
.app-header {
    height: var(--header-h);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    gap: 16px;
    flex-shrink: 0;
    /* position needed for z-index to apply — keeps header dropdowns (sample
       menu) painting above the viewport toolbar's stacking context (z 60) */
    position: relative;
    z-index: 80;
}

.header-left { display: flex; align-items: center; gap: 12px; min-width: 0; }

.app-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}
.app-logo img {
    height: 36px;
    width: auto;
    display: block;
}
/* The logo artwork is dark — give it a light chip so it stays legible on the
   dark-theme header. */
:root[data-theme="dark"] .app-logo {
    background: #fff;
    border-radius: 8px;
    padding: 3px 10px;
}
:root[data-theme="dark"] .app-logo img { height: 30px; }

.header-right { display: flex; align-items: center; gap: 10px; }
/* plan/trial countdown chip (painted by main.js paintSignedIn) */
.plan-pill {
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-light);
    background: var(--card-bg);
    white-space: nowrap;
}
.plan-pill-warn {
    color: #b45309;
    border-color: #f5c66b;
    background: #fdf3e0;
}

@keyframes menu-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }

.export-menu-summary {
    padding: 10px 12px;
    font-size: 12px;
    color: var(--text-light);
}
.export-menu-summary b { color: var(--text-color); }
.export-menu-tpl-link { margin-left: 6px; font-size: 11px; }
.export-menu-count { margin-top: 4px; font-size: 11px; }

/* Compliance badge */
.compliance-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11.5px;
    font-weight: 600;
    border-radius: 20px;
    padding: 6px 12px;
    cursor: pointer;
    user-select: none;
}
.compliance-badge.ok { background: var(--status-approved-bg); color: var(--status-approved-fg); }
.compliance-badge.warn { background: var(--status-progress-bg); color: var(--status-progress-fg); }
.compliance-badge.fail { background: var(--status-hold-bg); color: var(--status-hold-fg); }

/* ---- Body grid ---- */
.app-body {
    flex: 1;
    display: grid;
    grid-template-columns: 350px 1fr auto;
    min-height: 0;
}

/* ---- Spec panel ---- */
.spec-panel {
    background: var(--card-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    min-height: 0;
}
.spec-panel-head {
    padding: 14px 16px 10px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}
.spec-panel-head h2 { font-size: 13.5px; color: var(--text-color); display: flex; gap: 8px; align-items: center; }
.spec-panel-head h2 i { color: var(--primary-color); }

.spec-form { flex: 1; overflow-y: auto; padding: 10px 12px 20px; }

/* ---- spec search ---- */
.spec-search {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 16px; border-bottom: 1px solid var(--border-color);
}
.spec-search i.fa-magnifying-glass { color: var(--text-muted, #888); font-size: 12px; }
.spec-search input {
    flex: 1; min-width: 0; border: none; background: transparent;
    color: var(--text-color); font-size: 12.5px; outline: none; padding: 4px 0;
}
.spec-search-clear {
    border: none; background: transparent; color: var(--text-muted, #888);
    cursor: pointer; padding: 2px 4px;
}
.spec-search-clear:hover { color: var(--text-color); }
.spec-search-clear.hidden { display: none; }
/* filter states: misses hide, hit sections open regardless of accordion state */
.field.search-miss { display: none; }
.form-section.search-hidden { display: none; }
.form-section.search-open .form-section-body { display: block; }
.form-section.search-open .sec-chevron { transform: rotate(90deg); }
.field.search-hit > label { color: var(--primary-color); }

.spec-panel-foot {
    border-top: 1px solid var(--border-color);
    padding: 9px 14px;
    background: var(--status-progress-bg);
}
.disclaimer-note {
    font-size: 10.5px;
    color: var(--status-progress-fg);
    display: flex;
    gap: 7px;
    align-items: flex-start;
    line-height: 1.4;
}
.disclaimer-note i { margin-top: 2px; }

/* ---- Viewport area ---- */
.viewport-area {
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    background: var(--desk-bg);
}

.viewport {
    flex: 1;
    position: relative;
    overflow: hidden;
    cursor: grab;
    background:
        radial-gradient(circle at 30% 20%, rgba(255,255,255,0.06), transparent 60%),
        var(--desk-bg);
}
.viewport.panning { cursor: grabbing; }

.sheet-host { position: absolute; top: 0; left: 0; will-change: transform; transform-origin: 0 0; }

/* ---- Compliance panel (right) ---- */
.compliance-panel {
    width: 300px;
    background: var(--card-bg);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    min-height: 0;
    transition: width var(--duration-normal) var(--ease-out);
}
.compliance-panel.collapsed { width: 46px; }
.compliance-panel.collapsed .compliance-list,
.compliance-panel.collapsed .compliance-foot,
.compliance-panel.collapsed .compliance-head h2,
.compliance-panel.collapsed .code-ref { display: none; }
.compliance-panel.collapsed .compliance-head { justify-content: center; padding: 12px 4px; }
.compliance-panel.collapsed #btn-collapse-compliance i { transform: rotate(180deg); }

.compliance-head {
    padding: 14px 14px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border-color);
}
.compliance-head h2 { font-size: 13.5px; flex: 1; display: flex; gap: 8px; align-items: center; }
.compliance-head h2 i { color: var(--primary-color); }
.code-ref { font-size: 10px; color: var(--text-light); background: var(--background-color); border-radius: 4px; padding: 2px 6px; }

.compliance-list { flex: 1; overflow-y: auto; padding: 10px 12px; }
.compliance-foot {
    border-top: 1px solid var(--border-color);
    padding: 9px 14px;
    font-size: 10.5px;
    color: var(--text-light);
    line-height: 1.45;
}

/* Print host hidden on screen */
.print-host { display: none; }