/* ==========================================================================
   Panel
   A titled section of a setup page: header, then a body or controls strip.
   Used by the setup pages in panel layout. Classes are listed in
   docs/developer/design/css-guide.md.
   ========================================================================== */

/* -- 1. Container --------------------------------------------------------- */

.panel {
    border-radius: var(--radius-card);
    overflow: hidden;
    background-color: var(--bs-body-bg);
    margin-bottom: 0.5rem;
}

/* -- 2. Header ------------------------------------------------------------ */

.panel-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--border);
    background-color: var(--ec-header-bg);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.15s ease-in-out;
}

.panel-header:hover {
    background-color: var(--ec-header-hover-bg);
}

/* Header that only labels the panel, no pointer or hover */
.panel-header.panel-header-static { cursor: default; }
.panel-header.panel-header-static:hover { background-color: var(--ec-header-bg); }

/* Accent bar before the name */
.panel-header .panel-accent {
    display: block;
    width: 3px;
    height: 1.1em;
    border-radius: 2px;
    background-color: var(--bs-primary);
    flex-shrink: 0;
}

/* Red accent for a panel of destructive actions */
.panel-header .panel-accent.panel-accent-danger {
    background-color: var(--bs-danger-text-emphasis);
}

.panel-header .panel-name {
    font-weight: 600;
    font-size: var(--font-sm);
    color: var(--bs-emphasis-color);
    flex: 1;
    letter-spacing: 0.02em;
}

/* Count or state beside the name, also in modal titles */
.panel-badge {
    font-size: var(--font-2xs);
    color: var(--ec-text-secondary);
    background-color: var(--bg-badge);
    border: 1px solid var(--border-strong);
    border-radius: 0.75rem;
    padding: 1px 8px;
}

/* -- 3. Body -------------------------------------------------------------- */

.panel-body {
    padding: 8px;
}

/* Strip of fields and buttons */
.panel-controls {
    padding: 0.75rem;
}

/* Stacked form: fields with a label above, then a row of buttons */
.panel-form { padding: 1rem; }
.panel-field { margin-bottom: 14px; }
.panel-form .form-label { font-weight: 600; font-size: var(--font-sm); }
.panel-form .input-group { margin-bottom: 0; }
.panel-buttons { display: flex; flex-wrap: wrap; gap: 6px; }

/* Message in place of an empty table */
.panel-empty { padding: 1rem; color: var(--ec-text-secondary); }

/* Key and value rows: key, value, then icon actions and buttons on the right */
.panel-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    min-height: 44px;
    padding: 6px 1rem;
    border-top: 1px solid var(--border);
}
.panel-row:first-child { border-top: 0; }
.panel-row.is-editing { background-color: var(--ec-row-hover-bg); }
.panel-row .row-key {
    flex: 0 0 200px;
    color: var(--ec-text-secondary);
}
.panel-row .row-value {
    flex: 1;
    min-width: 0;
    overflow-wrap: anywhere;
}
.panel-row .row-note {
    margin-left: 1rem;
    font-size: var(--font-sm);
    color: var(--ec-text-secondary);
}

/* Icon action, shown on row hover */
.row-action {
    cursor: pointer;
    color: transparent;
    transition: color 0.15s;
}
.panel-row:hover .row-action { color: var(--ec-text-secondary); }
.panel-row .row-action:hover { color: var(--bs-primary); }
@media (hover: none) {
    .panel-row .row-action { color: var(--ec-text-secondary); }
}

@media (max-width: 576px) {
    .panel-row { flex-wrap: wrap; gap: 2px 1rem; }
    .panel-row .row-key { flex-basis: 100%; }
}

/* Panels nested in a panel section, as graph feed options */
.panel .feed-options {
    border-top: 1px solid var(--border);
}

.panel .feed-options .panel {
    border-radius: 0;
    margin-bottom: 0;
}

.panel .feed-options .panel-header {
    border-radius: 0;
}

/* -- 4. Tables ------------------------------------------------------------ */

.panel table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.panel table th {
    padding: 5px 12px;
    font-size: var(--font-2xs);
    font-weight: normal;
    color: var(--ec-text-secondary);
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
    background-color: var(--bs-secondary-bg);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.panel table td {
    padding: 9px 12px;
    color: var(--ec-value-color);
    border-bottom: 1px solid transparent;
    vertical-align: middle;
}

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

.panel table tbody tr:hover td {
    background-color: rgba(var(--bs-primary-rgb), 0.05);
}

/* Column text: muted, or emphasised for the main column */
.panel table td.col-secondary { color: var(--ec-text-secondary); }
.panel table td.col-primary   { color: var(--bs-emphasis-color); font-weight: 500; }

/* Buttons in the last cell, and the row being edited */
.panel table td.panel-actions { text-align: right; white-space: nowrap; }
.panel-actions .btn + .btn { margin-left: 4px; }
.panel table tr.is-editing td { background-color: var(--bs-primary-bg-subtle); }

/* Wrapper for a table that scrolls sideways. The page sets the table min-width on narrow screens. */
.panel-table { overflow-x: auto; }