:root {
    --bg: #f5f7fb;
    --card: #ffffff;
    --text: #1c2430;
    --muted: #64748b;
    --line: #e2e8f0;
    --primary: #1f6feb;
    --primary-dark: #1556b3;
    --danger: #dc2626;
    --warning: #f59e0b;
    --success: #16a34a;
    --black: #111827;
    --shadow: 0 12px 30px rgba(15, 23, 42, .08);
    --radius: 18px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 12px 24px;
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--line);
}
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; color: var(--text); }
.brand.big { font-size: 1.4rem; margin-bottom: 22px; }
.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--primary);
    color: white;
    font-weight: 900;
}
.nav { display: flex; gap: 12px; flex: 1; flex-wrap: wrap; }
.nav a { color: #334155; padding: 8px 10px; border-radius: 10px; }
.nav a:hover { background: #eef4ff; text-decoration: none; }
.userchip { display: flex; align-items: center; gap: 8px; font-size: .92rem; white-space: nowrap; }
.userchip small { background: #eef2ff; color: #3730a3; padding: 3px 7px; border-radius: 999px; }

.page { max-width: 1220px; margin: 0 auto; padding: 28px 22px 70px; }
.footer { text-align: center; color: var(--muted); font-size: .86rem; padding: 30px 16px; }

.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 22px;
    padding: 28px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #ffffff, #eef4ff);
    box-shadow: var(--shadow);
}
.hero.compact { padding: 22px 26px; }
.hero h1 { margin: 0 0 8px; font-size: clamp(1.8rem, 4vw, 3rem); }
.eyebrow { margin: 0 0 6px; color: var(--primary); text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; font-weight: 800; }
.muted { color: var(--muted); margin: 0; line-height: 1.55; }
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px;
    box-shadow: var(--shadow);
    margin-bottom: 22px;
}
.card h2 { margin: 0 0 14px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.card-head h2 { margin: 0; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-bottom: 22px; }
.kpi-card {
    display: block;
    padding: 18px;
    background: white;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    color: var(--text);
}
.kpi-card:hover { text-decoration: none; transform: translateY(-1px); }
.kpi-card span { display: block; color: var(--muted); font-size: .88rem; }
.kpi-card strong { display: block; font-size: 2.2rem; margin-top: 8px; }
.kpi-card.danger strong { color: var(--danger); }
.kpi-card.warning strong { color: var(--warning); }
.kpi-card.success strong { color: var(--success); }
.kpi-card.black strong { color: var(--black); }

.two-col { display: grid; grid-template-columns: 1.5fr 1fr; gap: 22px; }
.detail-grid { display: grid; grid-template-columns: 1fr .95fr; gap: 22px; }
.stack { display: flex; flex-direction: column; gap: 14px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 10px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .03em; }
td small { color: var(--muted); }
.empty { color: var(--muted); padding: 16px 0; }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    border-radius: 999px;
    padding: 5px 10px;
    font-size: .82rem;
    font-weight: 700;
    background: #eef2ff;
    color: #3730a3;
    white-space: nowrap;
}
.pill.big { font-size: .95rem; padding: 7px 12px; }
.priority.niedrig { background: #dcfce7; color: #166534; }
.priority.mittel { background: #fef3c7; color: #92400e; }
.priority.hoch { background: #fee2e2; color: #991b1b; }
.priority.sofort { background: #111827; color: #fff; }
.machine { background: #e0f2fe; color: #075985; }
.status-row { display: flex; gap: 10px; flex-wrap: wrap; }

.form label { display: flex; flex-direction: column; gap: 7px; font-weight: 700; color: #334155; }
input, select, textarea {
    width: 100%;
    padding: 12px 13px;
    border: 1px solid #cbd5e1;
    border-radius: 12px;
    background: #fff;
    color: var(--text);
    font: inherit;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 3px solid #dbeafe; border-color: var(--primary); }
.grid-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.full { grid-column: 1 / -1; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; }
.filters { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr auto auto; gap: 12px; align-items: center; }
.inline-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 11px 15px;
    background: #fff;
    color: var(--text);
    cursor: pointer;
    font-weight: 800;
    font-size: .94rem;
}
.btn:hover { text-decoration: none; background: #f8fafc; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.ghost { background: transparent; }
.btn.small { padding: 8px 10px; font-size: .84rem; }

.flash-wrap { margin-bottom: 18px; }
.flash { padding: 12px 14px; border-radius: 12px; margin-bottom: 8px; background: #e0f2fe; color: #075985; border: 1px solid #bae6fd; }
.flash.success { background: #dcfce7; color: #166534; border-color: #bbf7d0; }
.flash.danger { background: #fee2e2; color: #991b1b; border-color: #fecaca; }
.flash.info { background: #f1f5f9; color: #334155; border-color: #e2e8f0; }

.login-layout { min-height: 72vh; display: grid; place-items: center; }
.login-card { width: min(520px, 100%); background: white; border: 1px solid var(--line); border-radius: 24px; padding: 34px; box-shadow: var(--shadow); }
.demo-box { margin-top: 20px; padding: 14px; background: #f8fafc; border-radius: 14px; border: 1px solid var(--line); }
.demo-box p { margin: 6px 0; color: var(--muted); }

.mini-list { display: flex; flex-direction: column; gap: 10px; }
.mini-item, .link-item { display: flex; justify-content: space-between; gap: 12px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: 14px; color: var(--text); }
.mini-item:hover, .link-item:hover { background: #f8fafc; text-decoration: none; }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; }
.facts div { padding: 12px; background: #f8fafc; border: 1px solid var(--line); border-radius: 14px; }
.facts dt { color: var(--muted); font-size: .8rem; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; margin-bottom: 4px; }
.facts dd { margin: 0; font-weight: 700; }
.repair-box { padding: 14px; border-left: 4px solid var(--success); background: #f0fdf4; border-radius: 12px; }
.photo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.photo-card { display: block; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: #f8fafc; color: var(--muted); }
.photo-card img { width: 100%; height: 170px; object-fit: cover; display: block; }
.photo-card span { display: block; padding: 8px 10px; font-size: .82rem; }
.timeline { display: flex; flex-direction: column; gap: 10px; }
.timeline.small { max-height: 380px; overflow: auto; }
.timeline-item { border-left: 4px solid #dbeafe; background: #f8fafc; border-radius: 12px; padding: 12px; }
.timeline-item span { display: block; color: var(--muted); font-size: .84rem; margin-top: 2px; }
.timeline-item p { margin: 8px 0 0; }
.qr-box { padding: 14px; background: #f8fafc; border: 1px dashed #94a3b8; border-radius: 14px; }
.qr-box code { display: block; white-space: normal; word-break: break-all; background: white; padding: 10px; border-radius: 10px; }

.print-body { background: white; }
.print-page { max-width: 1000px; margin: 0 auto; padding: 28px; }
.print-head { display: flex; justify-content: space-between; gap: 20px; border-bottom: 2px solid var(--line); padding-bottom: 18px; margin-bottom: 20px; }
.print-section { margin-bottom: 24px; }
.print-facts { grid-template-columns: repeat(3, 1fr); }
.signature { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 60px; }
.signature div { border-top: 1px solid #111827; padding-top: 8px; color: var(--muted); }

@media (max-width: 980px) {
    .topbar { align-items: flex-start; flex-direction: column; }
    .userchip { white-space: normal; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col, .detail-grid { grid-template-columns: 1fr; }
    .filters { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
    .page { padding: 18px 12px 60px; }
    .hero { flex-direction: column; align-items: stretch; padding: 20px; }
    .kpi-grid, .grid-form, .facts, .photo-grid, .filters, .inline-fields { grid-template-columns: 1fr; }
    .card { padding: 16px; }
    th, td { padding: 10px 8px; }
}

@media print {
    .no-print, .topbar, .footer { display: none !important; }
    body { background: white; }
    .print-page { padding: 0; }
    .card, .photo-card, .facts div { box-shadow: none; }
    .print-photos { grid-template-columns: repeat(3, 1fr); }
    .photo-card img { height: 130px; }
}

/* Tablet-Beta Erweiterungen */
.driver-hero {
    margin-bottom: 22px;
    padding: 32px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #ffffff, #e0f2fe);
    box-shadow: var(--shadow);
}
.driver-hero h1 { margin: 0 0 8px; font-size: clamp(2rem, 5vw, 3.4rem); }
.driver-actions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-bottom: 22px;
}
.driver-tile {
    min-height: 190px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
    padding: 24px;
    border-radius: 24px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
    box-shadow: var(--shadow);
}
.driver-tile:hover { text-decoration: none; transform: translateY(-2px); }
.driver-tile span { font-size: 2.4rem; }
.driver-tile strong { font-size: 1.35rem; }
.driver-tile small { color: var(--muted); font-size: 1rem; line-height: 1.45; }
.driver-tile.primary { background: var(--primary); color: #fff; }
.driver-tile.primary small { color: #dbeafe; }
.driver-kpis { grid-template-columns: repeat(3, 1fr); }
.tablet-form input, .tablet-form select, .tablet-form textarea { font-size: 1.05rem; padding: 14px; }
.big-submit { min-height: 54px; min-width: 210px; font-size: 1.05rem; }
.tablet-submit-row { align-items: center; }
.qr-video {
    width: 100%;
    min-height: 320px;
    border-radius: var(--radius);
    background: #0f172a;
    object-fit: cover;
}
.scan-status {
    padding: 14px;
    border-radius: 14px;
    background: #f8fafc;
    border: 1px solid var(--line);
    color: var(--muted);
    font-weight: 700;
}
.qr-small { width: 190px; height: 190px; object-fit: contain; background: #fff; padding: 8px; border-radius: 14px; border: 1px solid var(--line); }
.qr-print-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.qr-print-card { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 18px; text-align: center; box-shadow: var(--shadow); break-inside: avoid; }
.qr-print-card h2 { margin: 0 0 4px; font-size: 1.2rem; }
.qr-print-card p { margin: 0 0 12px; color: var(--muted); }
.qr-print-card img { width: 210px; height: 210px; object-fit: contain; }
.qr-print-card small { display: block; color: var(--muted); font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.steps { line-height: 1.8; }
.big-code { display: block; padding: 16px; background: #0f172a; color: #e0f2fe; border-radius: 14px; font-size: 1.1rem; word-break: break-all; }
.add-photo-form { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }

@media (max-width: 760px) {
    .driver-actions, .driver-kpis, .qr-print-grid { grid-template-columns: 1fr; }
    .driver-tile { min-height: 150px; }
    .tablet-submit-row { flex-direction: column-reverse; align-items: stretch; }
    .big-submit { width: 100%; }
}

@media print {
    .qr-print-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .qr-print-card { box-shadow: none; page-break-inside: avoid; }
    .qr-print-card img { width: 180px; height: 180px; }
}

.helper-box {
    padding: 14px 16px;
    border: 1px solid rgba(31, 111, 235, .18);
    border-radius: 16px;
    background: rgba(31, 111, 235, .06);
}
.helper-box p { margin: 6px 0 0; }
.qr-print-card h3 { margin: -6px 0 8px; font-size: 1rem; }

/* Beta 4: Maschinenimport */
.hero-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.tag-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.error-list { margin: 10px 0 0; padding-left: 22px; color: #7f1d1d; }
.error-list li { margin: 4px 0; }

.permission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 12px;
}
.permission-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 10px;
    align-items: start;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--card-soft);
}
.permission-item input { margin-top: 4px; }
.permission-item span { display: block; font-size: .88rem; color: var(--muted); margin-top: 3px; }
.warn-box {
    border: 1px solid #f0b429;
    background: #fff8e6;
    color: #533f03;
    border-radius: 14px;
    padding: 14px;
}
.danger-zone {
    border: 1px solid #f0b4b4;
    background: #fff5f5;
}
.print-table { width: 100%; border-collapse: collapse; }
.print-table th, .print-table td { border: 1px solid #d5dbe7; padding: 8px; text-align: left; vertical-align: top; }
.print-page { max-width: 1100px; margin: 0 auto; }
@media print {
    .topbar, .footer, .no-print, .flash-wrap { display: none !important; }
    body { background: white; }
    .page { max-width: none; margin: 0; padding: 0; }
    .card { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
    a { color: #000; text-decoration: none; }
}

/* Beta 8: Prioritätsprüfung als Pop-up */
.priority-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    place-items: center;
    padding: 24px;
    background: rgba(15, 23, 42, 0.45);
}
.priority-modal.hidden { display: none; }
.priority-modal-card {
    width: min(720px, 96vw);
    background: #fff;
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.28);
    border: 1px solid rgba(148, 163, 184, 0.35);
}
.priority-check-box {
    border: 1px solid rgba(245, 158, 11, 0.45);
    background: #fffbeb;
    border-radius: 18px;
    padding: 16px;
}
.inline-form {
    display: flex;
    gap: 12px;
    align-items: end;
    flex-wrap: wrap;
}
.inline-form select { min-width: 160px; }

/* Beta 9: Standortverwaltung */
.inline-select-form {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}
.inline-select-form select {
    min-width: 130px;
    padding: 7px 9px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
}

/* Beta 10: Papierkorb, Dokumente, Wartung */
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover { background: #b91c1c; }
.warning-box { border-color: #facc15; background: #fefce8; color: #713f12; }
.photo-card form { padding: 0 10px 10px; }
.cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.kpi { padding: 14px; background: #f8fafc; border: 1px solid var(--line); border-radius: 14px; }
.kpi span { display: block; color: var(--muted); font-size: .84rem; }
.kpi strong { display: block; font-size: 1.8rem; margin-top: 4px; }
@media (max-width: 980px) { .cards-grid { grid-template-columns: 1fr; } }

/* Beta 11: Lesbarkeit und Tablet-first Kartenansichten */
:root {
    --border: var(--line);
    --card-soft: #f8fafc;
}
.page { max-width: 1480px; }
.topbar { gap: 16px; }
.nav {
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: thin;
}
.nav a { white-space: nowrap; }
.hero.compact { align-items: flex-start; }
.hero-actions .btn { min-height: 42px; }

.list-card { padding: 18px; }
.list-summary {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 14px;
    color: var(--muted);
}
.list-summary strong { color: var(--text); font-size: 1.03rem; }
.machine-card-list, .damage-card-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.machine-card, .damage-card {
    display: grid;
    gap: 16px;
    align-items: center;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: #fff;
}
.machine-card {
    grid-template-columns: 76px minmax(280px, 1.4fr) minmax(170px, .7fr) minmax(170px, .7fr) minmax(190px, .8fr);
}
.damage-card {
    grid-template-columns: 128px minmax(260px, .9fr) minmax(300px, 1.2fr) minmax(180px, .7fr);
}
.machine-no-box, .damage-no-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
    justify-content: center;
    min-width: 0;
}
.machine-no-box span, .field-label {
    color: var(--muted);
    font-size: .76rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.machine-no-box strong {
    font-size: 1.45rem;
    line-height: 1;
    color: var(--text);
}
.machine-title {
    display: inline-block;
    font-size: 1.05rem;
    line-height: 1.25;
    font-weight: 900;
    word-break: break-word;
}
.machine-main-box, .machine-site-box, .machine-state-box, .damage-machine-box, .damage-main-box, .damage-status-box {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.meta-lines {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    color: var(--muted);
    line-height: 1.35;
}
.meta-lines span:not(:last-child)::after { content: "·"; margin-left: 8px; color: #94a3b8; }
.machine-state-box small, .damage-card small { color: var(--muted); line-height: 1.35; }
.machine-actions-box {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    align-items: stretch;
}
.machine-actions-box .btn, .machine-actions-box form, .machine-actions-box button { width: 100%; }
.inline-select-form, .inline-select-form select { width: 100%; }
.inline-select-form select { min-width: 0; min-height: 40px; }
.damage-status-box { align-items: flex-start; }
.damage-status-box .pill { margin-bottom: 2px; }

.readable-filters { grid-template-columns: minmax(240px, 1.6fr) minmax(190px, 1fr) minmax(180px, 1fr) auto auto; }
.damage-filters { grid-template-columns: minmax(230px, 1.6fr) repeat(5, minmax(150px, 1fr)) auto auto; }

@media (max-width: 1280px) {
    .machine-card { grid-template-columns: 74px minmax(240px, 1.3fr) minmax(160px, .8fr) minmax(160px, .8fr); }
    .machine-actions-box { grid-column: 1 / -1; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
    .damage-card { grid-template-columns: 120px minmax(240px, 1fr) minmax(260px, 1fr); }
    .damage-status-box { grid-column: 1 / -1; flex-direction: row; flex-wrap: wrap; align-items: center; }
    .damage-filters { grid-template-columns: repeat(3, minmax(180px, 1fr)); }
}

@media (max-width: 900px) {
    .page { padding-left: 14px; padding-right: 14px; }
    .topbar { position: static; padding: 12px 14px; }
    .brand { font-size: 1.05rem; }
    .nav { width: 100%; flex-wrap: nowrap; }
    .nav a { background: #f8fafc; border: 1px solid var(--line); }
    .hero.compact { flex-direction: column; align-items: stretch; }
    .list-summary { flex-direction: column; align-items: flex-start; }
    .machine-card, .damage-card { grid-template-columns: 1fr; align-items: stretch; }
    .machine-no-box { flex-direction: row; align-items: baseline; gap: 10px; }
    .machine-no-box strong { font-size: 1.7rem; }
    .machine-actions-box { grid-template-columns: 1fr; }
    .readable-filters, .damage-filters { grid-template-columns: 1fr; }
    .form-actions { flex-direction: column; align-items: stretch; }
    .btn { min-height: 44px; }
}

@media (max-width: 540px) {
    .card { border-radius: 16px; padding: 14px; }
    .machine-card, .damage-card { padding: 14px; border-radius: 16px; }
    .hero h1 { font-size: 1.8rem; }
    .machine-title { font-size: 1rem; }
    .meta-lines { display: block; }
    .meta-lines span { display: block; }
    .meta-lines span:not(:last-child)::after { content: ""; margin: 0; }
}

/* Beta 12: Mobilfunk, Serverbetrieb und Backup */
.offline-banner {
    margin-bottom: 16px;
    padding: 13px 15px;
    border: 1px solid #f59e0b;
    border-radius: 14px;
    background: #fffbeb;
    color: #713f12;
    font-weight: 800;
}
.system-backup-card {
    grid-template-columns: minmax(280px, 1fr) minmax(180px, auto);
}
.system-backup-card strong { word-break: break-all; }
@media (max-width: 700px) {
    .system-backup-card { grid-template-columns: 1fr; }
}

/* Beta 13: bessere Benutzerverwaltung */
.user-card-list { display: grid; gap: 14px; }
.user-admin-card { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; }
.button-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.small-text { font-size: 0.9rem; }
.btn.danger, button.danger { border-color: #f3b4b4; color: #9f1d1d; background: #fff7f7; }
.btn.danger:hover, button.danger:hover { background: #ffe9e9; }
.pill.danger { background: #fff0f0; color: #9f1d1d; }
.pill.ok { background: #eaf8ef; color: #166534; }
@media (max-width: 760px) {
    .user-admin-card { grid-template-columns: 1fr; }
    .card-actions.button-row { align-items: stretch; }
    .card-actions.button-row .btn, .card-actions.button-row button { width: 100%; }
}