/* Wiederverwendbare Bausteine: Karten, Tabellen, Formulare, Badges, Kacheln.
   Tabellen werden unter 700 px zu Karten umgebaut, statt horizontal zu scrollen —
   das Lager arbeitet am Handy. */

/* --------------------------------------------------------------- Flash */

.flash-stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.flash {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius);
    border-left: 4px solid var(--color-info);
    background: var(--color-info-bg);
    color: var(--color-text);
}

.flash-success { border-color: var(--color-ok); background: var(--color-ok-bg); }
.flash-error   { border-color: var(--color-danger); background: var(--color-danger-bg); }
.flash-warning { border-color: var(--color-warn); background: var(--color-warn-bg); }
.flash-info    { border-color: var(--color-info); background: var(--color-info-bg); }

/* --------------------------------------------------------------- Karten */

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: var(--space-5);
    margin-bottom: var(--space-4);
}

.card-narrow {
    max-width: 460px;
    margin-left: auto;
    margin-right: auto;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
    margin-bottom: var(--space-4);
}

.card-header h2 { margin: 0; }

/* --------------------------------------------------------------- Buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    min-height: 38px;
    padding: var(--space-2) var(--space-4);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.12s ease, border-color 0.12s ease;
}

.btn:hover {
    background: var(--color-surface-alt);
    border-color: var(--color-text-muted);
}

.btn-primary {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-danger {
    background: var(--color-surface);
    border-color: var(--color-danger);
    color: var(--color-danger);
}

.btn-danger:hover {
    background: var(--color-danger-bg);
}

.btn-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover {
    background: var(--color-surface-alt);
    border-color: var(--color-border);
}

.btn-sm { min-height: 32px; padding: var(--space-1) var(--space-3); font-size: 13px; }
.btn-lg { min-height: var(--touch-target); padding: var(--space-3) var(--space-5); font-size: 15px; }
.btn-block { width: 100%; }

.btn:disabled, .btn[aria-disabled="true"] {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-row {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    align-items: center;
}

/* --------------------------------------------------------------- Formulare */

.form-field {
    margin-bottom: var(--space-4);
}

.form-field > label {
    display: block;
    margin-bottom: var(--space-1);
    font-size: 14px;
    font-weight: 500;
}

.form-field .hint {
    display: block;
    margin-top: var(--space-1);
    font-size: 13px;
    color: var(--color-text-muted);
}

input[type="text"], input[type="password"], input[type="email"], input[type="number"],
input[type="date"], input[type="search"], select, textarea {
    width: 100%;
    min-height: 38px;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border-strong);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
    font-size: 15px;
}

textarea { min-height: 96px; resize: vertical; }

select[multiple] { min-height: 160px; }

input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: -1px;
    border-color: var(--color-primary);
}

.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
}

.form-check label { margin: 0; font-size: 14px; }

.field-errors {
    margin: var(--space-1) 0 0;
    padding: 0;
    list-style: none;
    color: var(--color-danger);
    font-size: 13px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0 var(--space-4);
}

.form-actions {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    margin-top: var(--space-4);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------- Tabellen */

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

table.data {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

table.data th, table.data td {
    padding: var(--space-3);
    text-align: left;
    border-bottom: 1px solid var(--color-border);
    vertical-align: middle;
}

table.data thead th {
    background: var(--color-surface-alt);
    font-weight: 600;
    font-size: 13px;
    color: var(--color-text-muted);
    white-space: nowrap;
}

table.data tbody tr:last-child td { border-bottom: none; }
table.data tbody tr:hover { background: var(--color-surface-alt); }

table.data td.numeric, table.data th.numeric {
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* Zeilensignale */
tr.row-muted td { color: var(--color-text-muted); }
tr.row-warn { background: var(--color-warn-bg); }
tr.row-danger { background: var(--color-danger-bg); }

.empty-state {
    padding: var(--space-6) var(--space-4);
    text-align: center;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------- Badges */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px var(--space-2);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
    border: 1px solid transparent;
}

.badge-neutral { background: var(--color-surface-alt); color: var(--color-text-muted);
                 border-color: var(--color-border); }
.badge-info    { background: var(--color-info-bg); color: var(--color-info);
                 border-color: var(--color-info); }
.badge-ok      { background: var(--color-ok-bg); color: var(--color-ok);
                 border-color: var(--color-ok); }
.badge-warn    { background: var(--color-warn-bg); color: var(--color-warn);
                 border-color: var(--color-warn); }
.badge-danger  { background: var(--color-danger-bg); color: var(--color-danger);
                 border-color: var(--color-danger); }

.badge-list {
    display: flex;
    gap: var(--space-1);
    flex-wrap: wrap;
}

/* --------------------------------------------------------------- Kette */

/* Vertikale Timeline auf dem Handy, horizontaler Stepper ab 900 px -- dieselbe
   Markup, nur flex-direction wechselt (kein JS). */
.chain-timeline {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.chain-branches {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-left: var(--space-4);
    border-left: 2px dashed var(--color-border);
}

.chain-node {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    text-decoration: none;
    color: var(--color-text);
}

.chain-node:hover { border-color: var(--color-border-strong); }
.chain-node-focus { border-color: var(--color-info); box-shadow: 0 0 0 2px var(--color-info-bg); }

.chain-node-title { font-weight: 600; }
.chain-node-subtitle,
.chain-node-date,
.chain-node-docs { font-size: 12px; color: var(--color-text-muted); }

@media (min-width: 900px) {
    .chain-timeline {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: stretch;
    }
    .chain-node { min-width: 140px; flex: 1 1 140px; }
}

/* --------------------------------------------------------------- Kacheln */

.tile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-4);
}

.tile {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    text-decoration: none;
    color: var(--color-text);
    transition: transform 0.12s ease, box-shadow 0.12s ease, border-color 0.12s ease;
}

a.tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.tile-icon { font-size: 26px; line-height: 1; }
.tile-title { font-weight: 600; font-size: 16px; }
.tile-desc { font-size: 13px; color: var(--color-text-muted); }

.tile-pending {
    opacity: 0.6;
    cursor: default;
}

.tile-pending .tile-title::after {
    content: " (in Vorbereitung)";
    font-weight: 400;
    font-size: 12px;
    color: var(--color-text-muted);
}

/* --------------------------------------------------------------- Kennzahlen */

.kpi-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.kpi {
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
}

.kpi-label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
}

.kpi-value {
    font-size: 20px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.kpi-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.kpi-link:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.kpi-warn {
    background: var(--color-warn-bg);
    border-color: var(--color-warn);
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-4);
}

/* --------------------------------------------------------------- Filterleiste */

.filter-bar {
    display: flex;
    gap: var(--space-2);
    flex-wrap: wrap;
    align-items: flex-end;
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.filter-bar .form-field {
    margin-bottom: 0;
    min-width: 180px;
    flex: 1 1 180px;
}

/* --------------------------------------------------------------- Fehlerseiten */

.error-page {
    max-width: 560px;
    margin: var(--space-6) auto;
    text-align: center;
}

.error-code {
    font-size: 56px;
    font-weight: 700;
    color: var(--color-border-strong);
    line-height: 1;
    margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------- Definitionslisten */

.detail-list {
    display: grid;
    grid-template-columns: minmax(140px, max-content) 1fr;
    gap: var(--space-2) var(--space-4);
    margin: 0;
    font-size: 14px;
}

.detail-list dt { color: var(--color-text-muted); }
.detail-list dd { margin: 0; }

/* --------------------------------------------------------------- Tabellen als Karten */

@media (max-width: 700px) {
    .table-wrap {
        border: none;
        background: transparent;
        overflow-x: visible;
    }

    table.data thead {
        display: none;
    }

    table.data, table.data tbody, table.data tr, table.data td {
        display: block;
        width: 100%;
    }

    table.data tr {
        margin-bottom: var(--space-3);
        background: var(--color-surface);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        padding: var(--space-2) var(--space-3);
    }

    table.data td {
        display: flex;
        justify-content: space-between;
        gap: var(--space-3);
        border-bottom: 1px solid var(--color-border);
        padding: var(--space-2) 0;
        text-align: right;
    }

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

    /* Spaltenname aus data-label, damit die Karte ohne Kopfzeile lesbar bleibt */
    table.data td::before {
        content: attr(data-label);
        font-size: 13px;
        font-weight: 600;
        color: var(--color-text-muted);
        text-align: left;
        flex: 0 0 auto;
    }

    table.data td.numeric { text-align: right; }

    .form-grid { grid-template-columns: 1fr; }

    .btn { min-height: var(--touch-target); }
}

/* --------------------------------------------------------------- Dokumente */

.document-panel { margin-top: var(--space-4); }

.document-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.document-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-surface);
}

.document-card img {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.document-file {
    display: block;
    padding: var(--space-3);
    font-size: 13px;
    word-break: break-word;
}

.document-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-2);
    border-top: 1px solid var(--color-border);
}

.document-upload-form { display: flex; flex-direction: column; gap: var(--space-3); }

.upload-progress { font-size: 13px; color: var(--color-text-muted); }

/* --------------------------------------------------------------- Positionstabellen */

.item-table input, .item-table select {
    min-width: 90px;
    min-height: 34px;
    padding: var(--space-1) var(--space-2);
    font-size: 13px;
}

.item-table td { padding: var(--space-1) var(--space-2); }

.pricing-table output {
    display: inline-block;
    min-width: 80px;
    font-variant-numeric: tabular-nums;
    color: var(--color-text-muted);
}