/* Logo row: flex layout — logo | title | logo */
.logo-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.logo-cell {
    width: 250px;
    height: 60px;
    flex-shrink: 0;
}

.logo-img {
    display: block;
    width: 250px;
    height: 60px;
    object-fit: contain;
    user-select: none;
}

#left-logo-cell .logo-img { object-position: left center; }
#right-logo-cell .logo-img { object-position: right center; }

.logo-img:not([src]),
.logo-img[src=""] {
    display: none;
}

.logo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    border: 2px dashed var(--border-dark);
    border-radius: 0.375rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.logo-cell.has-logo .logo-placeholder,
.logo-placeholder.hidden {
    display: none;
}

.title-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    text-align: center;
    min-width: 0;
}

/* Type combo dropdown */
.type-combo {
    position: relative;
    width: 100%;
}

.type-display {
    display: block;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    outline: none;
    min-height: 1.5em;
}

.type-display:empty::before {
    content: attr(data-placeholder);
    color: var(--text-muted);
}

.type-combo__menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 0.375rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -2px rgba(0,0,0,.1);
    z-index: 50;
    min-width: 160px;
    padding: 4px 0;
}

.type-combo__option {
    display: block;
    width: 100%;
    text-align: center;
    padding: 6px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text);
}

.type-combo__option:hover {
    background: var(--bg-hover);
    color: var(--primary);
}

/* ── Targeted drop zones ─────────────────────────────────────────────────── */

/* Base: relative so the label can be absolute-positioned inside */
[data-drop-zone] {
    position: relative;
    border-radius: 0.375rem;
    transition: outline 0.12s, background 0.12s, opacity 0.12s;
}

/* Label: hidden by default, centered overlay inside the zone */
.drop-zone-label {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    inset: 0;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-align: center;
    line-height: 1.3;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.12s;
    z-index: 30;
    white-space: pre-line;
}

/* --- Visible state: outline appears, label fades in --- */
[data-drop-zone].dz-visible .drop-zone-label {
    opacity: 1;
}

/* Eligible zone: blue dashed outline + subtle blue tint */
[data-drop-zone].dz-eligible {
    outline: 2px dashed #60a5fa;
    outline-offset: 2px;
    background: rgba(239, 246, 255, 0.55);
}
[data-drop-zone].dz-eligible .drop-zone-label {
    color: #1e40af;
    background: rgba(239, 246, 255, 0.9);
}

/* Ineligible zone: grey dashed outline, dimmed */
[data-drop-zone].dz-ineligible {
    outline: 2px dashed #d1d5db;
    outline-offset: 2px;
    opacity: 0.5;
}
[data-drop-zone].dz-ineligible .drop-zone-label {
    color: #6b7280;
    background: rgba(249, 250, 251, 0.85);
}

/* Hover over eligible zone: solid outline, stronger tint, white-on-blue label */
[data-drop-zone].dz-hover {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
    background: rgba(219, 234, 254, 0.85);
    opacity: 1;
}
[data-drop-zone].dz-hover .drop-zone-label {
    color: #1e3a8a;
    background: rgba(191, 219, 254, 0.95);
    font-weight: 700;
}

/* Logo cells: label sits centered over the cell content */
#left-logo-cell[data-drop-zone] .drop-zone-label,
#right-logo-cell[data-drop-zone] .drop-zone-label {
    font-size: 0.65rem;
}

/* File-table zone wrapper: display:block, no extra spacing */
#file-table-drop-zone {
    display: block;
}

@media screen {
    .page-header .header-names {
        padding: 6px 8px;
    }

    .page-header .header-names h2 {
        margin: 0;
        line-height: 1.2;
    }

    .page-header #project-number {
        margin: 2px 0 6px;
        line-height: 1.2;
    }

    .page-header .grid {
        column-gap: 1rem;
        row-gap: 0.5rem;
    }

    /* .action-button removed — transmittal buttons now use .btn/.btn-primary/.btn-secondary */


    /* ── Integrity section layout ──────────────────────── */
    .integrity-body {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        width: 100%;
    }

    /* ── Verify cards ──────────────────────────────────── */
    .verify-card {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: baseline;
        gap: 0.25rem 0.75rem;
        padding: 0.5rem 0.75rem;
        border-left: 4px solid;
        border-radius: 0.25rem;
        font-size: 0.75rem;
        line-height: 1.5;
    }
    .verify-card--ok    { background: #f0fdf4; border-left-color: #22c55e; }
    .verify-card--fail  { background: #fef2f2; border-left-color: #ef4444; }
    .verify-card--draft { background: #fefce8; border-left-color: #f59e0b; }
    .verify-card--info  { background: #eff6ff; border-left-color: #3b82f6; }

    .verify-card__status {
        font-weight: 700;
        font-size: 0.8rem;
        display: flex;
        align-items: center;
        gap: 0.375rem;
    }
    .verify-card__status--ok    { color: #166534; }
    .verify-card__status--fail  { color: #991b1b; }
    .verify-card__status--draft { color: #92400e; }
    .verify-card__status--info  { color: #1e40af; }

    .verify-card__detail {
        font-size: 0.7rem;
        color: var(--text-muted);
    }
    .verify-card__detail code {
        font-family: var(--font-mono);
        font-size: 0.65rem;
        word-break: break-all;
        color: var(--primary);
    }

    /* Workflow Area */
    .workflow-area {
        border-top: 1px solid var(--border);
        padding-top: 0.75rem;
        margin-top: 0.75rem;
        display: flex;
        flex-direction: column;
        gap: 0.875rem;
    }

    .workflow-step {
        display: flex;
        flex-direction: column;
        gap: 0.375rem;
    }

    .workflow-step__label {
        font-size: 0.6875rem;
        font-weight: 700;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin: 0;
    }

    .workflow-step__body {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
    }

    .workflow-dir {
        font-family: var(--font-mono);
        font-size: 0.625rem;
        color: var(--text-muted);
    }

    .workflow-hint {
        font-size: 0.625rem;
        color: var(--text-muted);
        font-style: italic;
    }

    .workflow-badge {
        font-size: 0.625rem;
        padding: 0.0625rem 0.375rem;
        border: 1px solid;
        border-radius: 0.25rem;
        margin-left: 0.375rem;
        vertical-align: middle;
    }

    .workflow-badge--warn {
        background: #fef9c3;
        color: #92400e;
        border-color: #fcd34d;
    }

    /* Tools row — compact, de-emphasized */
    .workflow-tools {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.375rem;
        padding-top: 0.5rem;
        border-top: 1px solid var(--border);
    }

    /* ── Table toolbar (above table) ───────────────────────── */
    .table-toolbar {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-end;
        align-items: center;
        gap: 0.25rem 0.5rem;
        padding: 0.375rem 0;
        border-top: 1px solid var(--border);
        margin-top: 0.5rem;
    }

    .toolbar-btn {
        background: none;
        border: none;
        font-size: 0.75rem;
        font-weight: 500;
        color: var(--primary);
        cursor: pointer;
        padding: 0.15rem 0.35rem;
        border-radius: 0.25rem;
    }

    .toolbar-btn:hover {
        text-decoration: underline;
        background: var(--primary-light);
    }

    /* ── App chrome header (lives outside the transmittal) ── */
    /* shared/base.css provides display, align-items, background, border-bottom */
    .app-header {
        position: sticky;
        top: 0;
        z-index: 1200;
        gap: 0.5rem;
        padding: 0.3rem 0.75rem;
        /* Expose height for downstream sticky offsets */
        --app-header-height: 2.1rem;
        height: var(--app-header-height);
        box-sizing: content-box;
    }

    .app-header__spacer {
        flex: 1;
    }

    .app-header__icons {
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .header-icon-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 0.25rem;
        border: none;
        background: transparent;
        color: var(--text-muted);
        cursor: pointer;
        padding: 0;
        text-decoration: none;
        transition: color 0.15s, background 0.15s;
    }

    .header-icon-btn:hover {
        color: var(--primary-hover);
        background: var(--primary-light);
    }

    /* ── Fixed footer status bar at viewport bottom ───────── */
    .page-footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        background: var(--bg-secondary);
        border-top: 1px solid var(--border);
        padding: 0.2rem 0.75rem;
    }

    .page-footer__inner {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.5rem;
        max-width: 8.5in;
        margin: 0 auto;
    }

    .page-container {
        padding-bottom: 2rem;
    }

    /* ── Split-button ─────────────────────────────────────── */
    .split-button {
        position: relative;
        display: inline-flex;
        align-items: stretch;
    }

    .split-button > .btn:last-of-type {
        border-top-left-radius: 0;
        border-bottom-left-radius: 0;
    }

    .split-button__toggle {
        border-top-right-radius: 0;
        border-bottom-right-radius: 0;
        border-right: 1px solid rgba(255, 255, 255, 0.3);
        min-width: 28px;
        padding-left: 6px;
        padding-right: 6px;
        font-size: 0.75rem;
        line-height: 1;
    }

    /* ── Dropdown menu ──────────────────────────────────────── */
    .dropdown {
        position: relative;
        display: inline-block;
    }

    .dropdown-toggle {
        min-width: 28px;
        font-size: 1rem;
        letter-spacing: 0.1em;
        line-height: 1;
    }

    .dropdown-menu {
        position: absolute;
        left: 0;
        top: 100%;
        margin-top: 2px;
        min-width: 120px;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 0.375rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        z-index: 1100;
        padding: 4px 0;
    }

    .dropdown-menu.dropdown-menu--up {
        bottom: 100%;
        top: auto;
        margin-top: 0;
        margin-bottom: 2px;
    }

    /* ── Dropdown separators ─────────────────────────────────── */
    .dropdown-separator {
        border-top: 1px solid var(--border);
        margin: 4px 0;
        padding: 0;
        font-size: 0.625rem;
        font-weight: 600;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }

    .dropdown-separator:empty {
        padding: 0;
    }

    .dropdown-separator:not(:empty) {
        padding: 4px 12px 2px;
    }

    /* ── Scanning blur on table ─────────────────────────────── */
    .table-wrapper.scanning {
        filter: blur(1px);
        opacity: 0.7;
        pointer-events: none;
        transition: filter 0.3s ease, opacity 0.3s ease;
    }

    .table-wrapper {
        transition: filter 0.3s ease, opacity 0.3s ease;
    }

    /* ── Hash validation indicators ──────────────────────────── */
    .hash-match {
        color: #16a34a;
        font-weight: 700;
    }

    .hash-mismatch {
        color: #dc2626;
        font-weight: 700;
    }

    /* ── Inline hash progress bar ────────────────────────────── */
    .hash-progress {
        display: flex;
        align-items: center;
        gap: 4px;
        width: 100%;
    }

    .hash-progress-bar {
        flex: 1;
        height: 6px;
        background: var(--border);
        border-radius: 3px;
        overflow: hidden;
    }

    .hash-progress-fill {
        height: 100%;
        width: 0%;
        background: var(--primary);
        border-radius: 3px;
        transition: width 0.15s ease;
    }

    .hash-progress-fill.done {
        background: #22c55e;
        width: 100%;
    }

    /* ── Per-row verify result styling ───────────────────────── */
    tr.verify-match td { background: #dcfce7; }
    tr.verify-mismatch td { background: #fee2e2; }
    tr.verify-missing td { background: #fef3c7; }
    tr.verify-new td { background: #dbeafe; }
    tr.verify-progress td:last-child { color: #6b7280; font-style: italic; }

    .dropdown-item {
        display: block;
        width: 100%;
        padding: 6px 12px;
        border: none;
        background: none;
        text-align: left;
        font-size: 0.8rem;
        color: var(--text);
        cursor: pointer;
        white-space: nowrap;
    }

    .dropdown-item:hover {
        background: var(--bg-secondary);
    }

    .dropdown-item:disabled {
        opacity: 0.4;
        cursor: not-allowed;
    }

}