:root {
  --bg: #08111f;
  --bg-alt: #0d1b31;
  --panel: #ffffff;
  --panel-soft: #f4f7fb;
  --panel-deep: #11233f;
  --text: #0e1729;
  --text-inverse: #eff5ff;
  --muted: #61708b;
  --line: rgba(16, 24, 40, 0.12);
  --line-strong: rgba(16, 24, 40, 0.18);
  --accent: #0ea5a7;
  --accent-strong: #1483b6;
  --accent-warm: #f59e0b;
  --danger: #dc4c64;
  --success: #1f9d72;
  --shadow: 0 30px 80px rgba(1, 10, 26, 0.35);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --font-body: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-display: "Montserrat", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-body);
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(14, 165, 167, 0.24), transparent 26%),
    radial-gradient(circle at top right, rgba(21, 115, 255, 0.18), transparent 22%),
    linear-gradient(180deg, #06101d 0%, #0b1425 34%, #eef3f8 34%, #eef3f8 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.36), rgba(0, 0, 0, 0));
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

img {
  max-width: 100%;
  display: block;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1280px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 16px 0 32px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(7, 16, 30, 0.82);
  backdrop-filter: blur(18px);
  border-radius: 22px;
  color: var(--text-inverse);
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, #0ea5a7, #1d4ed8);
  color: white;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  box-shadow: 0 12px 32px rgba(14, 165, 167, 0.35);
}

.brand-copy {
  display: flex;
  flex-direction: column;
}

.brand-name,
.brand-tag {
  line-height: 1.1;
}

.brand-name {
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.92rem;
  font-weight: 700;
}

.brand-tag {
  color: rgba(239, 245, 255, 0.72);
  font-size: 0.88rem;
  margin-top: 2px;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.topbar-nav a {
  color: rgba(239, 245, 255, 0.9);
  font-weight: 600;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid transparent;
}

.topbar-nav a:hover,
.topbar-nav a:focus-visible {
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.06);
}

.page-main {
  margin-top: 20px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 4px 0;
  color: rgba(7, 16, 30, 0.78);
  font-size: 0.95rem;
}

.site-footer code {
  font-family: var(--font-mono);
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(15, 35, 63, 0.08);
}

.flash-stack {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
}

.flash {
  padding: 14px 16px;
  border-radius: 18px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  background: var(--panel);
}

.flash--success {
  border-color: rgba(31, 157, 114, 0.24);
  background: rgba(31, 157, 114, 0.08);
}

.flash--error {
  border-color: rgba(220, 76, 100, 0.24);
  background: rgba(220, 76, 100, 0.08);
}

.flash--info {
  border-color: rgba(20, 131, 182, 0.24);
  background: rgba(20, 131, 182, 0.08);
}

.hero-grid,
.dashboard-grid,
.editor-layout,
.result-layout,
.attempt-layout {
  display: grid;
  gap: 20px;
}

.hero-grid {
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  align-items: stretch;
}

.hero-panel,
.panel,
.auth-card,
.empty-state,
.test-card,
.question-admin-card,
.review-card,
.question-card,
.result-metric,
.aside-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 30px;
}

.hero-panel--intro {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    linear-gradient(135deg, #0b1530 0%, #10284f 55%, #12335c 100%);
  color: var(--text-inverse);
  min-height: 380px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hero-panel--aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 8px;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 700;
}

.hero-panel h1,
.auth-card h1,
.section-head h1,
.section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.hero-panel h1 {
  font-size: clamp(2.6rem, 5vw, 4.8rem);
  max-width: 12ch;
}

.lede,
.section-note,
.aside-text,
.helper-text,
.sidebar-note,
.table-subtitle,
.table-caption,
.question-meta,
.tiny-stack,
.site-footer,
.brand-tag {
  color: var(--muted);
}

.lede {
  max-width: 62ch;
  font-size: 1.08rem;
  line-height: 1.6;
}

.cta-row,
.card-actions,
.header-actions,
.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-metrics,
.stat-stack,
.result-grid {
  display: grid;
  gap: 14px;
}

.hero-metrics {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.metric,
.mini-stat,
.result-metric {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric span,
.mini-stat span,
.result-metric span {
  display: block;
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.metric label,
.mini-stat label,
.result-metric label {
  display: block;
  color: rgba(239, 245, 255, 0.72);
  font-size: 0.92rem;
}

.aside-card {
  background: var(--panel);
  padding: 22px;
}

.aside-card--accent {
  background: linear-gradient(180deg, #0b1530, #10284f);
  color: var(--text-inverse);
}

.aside-card--accent .aside-text,
.aside-card--accent .aside-kicker {
  color: rgba(239, 245, 255, 0.78);
}

.feature-list {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  display: grid;
  gap: 10px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin: 28px 0 16px;
}

.section-head h1,
.section-head h2 {
  color: #0a1321;
}

.test-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.test-card,
.empty-state {
  background: var(--panel);
  padding: 22px;
}

.empty-state {
  text-align: center;
}

.card-top,
.question-admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  border: 1px solid var(--line);
  background: var(--panel-soft);
  color: #274060;
}

.badge--on {
  background: rgba(31, 157, 114, 0.1);
  color: #117354;
  border-color: rgba(31, 157, 114, 0.2);
}

.badge--off {
  background: rgba(220, 76, 100, 0.08);
  color: #b23652;
  border-color: rgba(220, 76, 100, 0.18);
}

.badge--neutral {
  background: rgba(20, 131, 182, 0.08);
  color: #145c85;
  border-color: rgba(20, 131, 182, 0.16);
}

.join-code,
.code-chip {
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: #11365d;
}

.test-card h3,
.question-admin-card h3,
.review-card h2,
.auth-card h1,
.panel h2 {
  margin: 14px 0 8px;
}

.test-card p,
.question-admin-card p,
.review-card p,
.empty-state p {
  line-height: 1.55;
}

.stats,
.stats--wide {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
  padding: 0;
}

.stats {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats div,
.stats--wide div {
  padding: 12px 14px;
  border-radius: 18px;
  background: var(--panel-soft);
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.stats dt,
.stats--wide dt {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.stats dd,
.stats--wide dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 700;
}

.grid-form,
.stack-form {
  display: grid;
  gap: 14px;
}

.grid-form--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-form label,
.stack-form label,
.stack-label {
  display: grid;
  gap: 8px;
}

.grid-form .span-2 {
  grid-column: span 2;
}

label span {
  color: #31455f;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(16, 24, 40, 0.16);
  background: #fff;
  color: var(--text);
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

textarea {
  resize: vertical;
  min-height: 48px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(14, 165, 167, 0.55);
  box-shadow: 0 0 0 4px rgba(14, 165, 167, 0.14);
}

.inline-toggle {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel-soft);
  border-radius: 18px;
  padding: 14px;
}

.inline-toggle input {
  width: auto;
  margin: 0;
}

.auth-layout {
  display: grid;
  place-items: center;
  min-height: 64vh;
}

.auth-card {
  width: min(760px, 100%);
  background: var(--panel);
  padding: 30px;
}

.auth-card--wide {
  width: min(940px, 100%);
}

.auth-card .lede {
  color: var(--muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
  user-select: none;
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-1px);
}

.btn-primary {
  color: white;
  background: linear-gradient(135deg, #0ea5a7, #1573ff);
  box-shadow: 0 14px 32px rgba(14, 165, 167, 0.26);
}

.btn-secondary {
  color: #13314f;
  background: #f3f7fb;
  border-color: rgba(16, 24, 40, 0.12);
}

.btn-dark {
  color: white;
  background: #0f2340;
  border-color: rgba(255, 255, 255, 0.08);
}

.btn-danger {
  color: white;
  background: linear-gradient(135deg, #dc4c64, #b4233f);
}

.btn-small {
  padding: 9px 14px;
  font-size: 0.92rem;
}

.panel {
  background: var(--panel);
  padding: 24px;
}

.panel--wide {
  grid-column: span 2;
}

.panel--side {
  background: var(--panel);
  padding: 24px;
  display: grid;
  align-content: start;
  gap: 16px;
}

.panel-head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.panel h2 {
  margin-top: 0;
  color: #0a1321;
}

.table-scroll {
  overflow-x: auto;
}

.test-table-card {
  background: var(--panel);
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 16px;
  border-bottom: 1px solid rgba(16, 24, 40, 0.08);
  vertical-align: top;
}

.admin-table th {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.8rem;
  color: var(--muted);
  background: #f8fbfe;
}

.table-title {
  font-weight: 800;
  color: #13233a;
}

.table-subtitle {
  margin-top: 4px;
  max-width: 42ch;
  line-height: 1.5;
}

.table-actions,
.tiny-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.empty-inline {
  padding: 18px;
  color: var(--muted);
}

.question-admin-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.question-admin-card,
.review-card {
  background: var(--panel);
  padding: 22px;
}

.question-preview,
.stimulus-stack {
  display: grid;
  gap: 12px;
}

.question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 14px;
  font-size: 0.95rem;
}

.content-block {
  display: grid;
  gap: 10px;
}

.content-block--text,
.content-block--math {
  padding: 14px 16px;
  border-radius: 18px;
  background: #f8fbfe;
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.math-display {
  overflow-x: auto;
  font-size: 1.04rem;
}

.content-block--image {
  margin: 0;
  padding: 14px;
  background: #f8fbfe;
  border-radius: 20px;
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.content-block--image figcaption,
.table-caption {
  font-size: 0.94rem;
}

.table-shell {
  overflow-x: auto;
}

.content-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: 18px;
  overflow: hidden;
}

.content-table th,
.content-table td {
  padding: 12px 14px;
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.content-table thead th {
  background: #e9f2ff;
  color: #12385c;
}

.graph-svg {
  width: 100%;
  height: auto;
  display: block;
}

.graph-bg {
  fill: #f8fbfe;
  stroke: rgba(16, 24, 40, 0.08);
  stroke-width: 1;
}

.graph-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  fill: #12385c;
}

.graph-axis,
.graph-tick,
.graph-zero {
  stroke: rgba(18, 53, 93, 0.28);
  stroke-width: 1.4;
}

.graph-line {
  stroke: #0ea5a7;
  stroke-width: 3;
}

.graph-point {
  fill: #0ea5a7;
}

.graph-bar {
  stroke: rgba(255, 255, 255, 0.8);
  stroke-width: 1;
}

.graph-label {
  font-family: var(--font-body);
  font-size: 12px;
  fill: #5b7088;
}

.graph-label--axis {
  font-size: 13px;
  font-weight: 700;
  fill: #2f4a66;
}

.graph-label--legend {
  font-size: 12px;
}

.graph-error {
  padding: 14px 16px;
  border-radius: 16px;
  color: #8b1f35;
  background: rgba(220, 76, 100, 0.08);
  border: 1px solid rgba(220, 76, 100, 0.16);
}

.editor-layout {
  grid-template-columns: minmax(0, 1fr);
}

.choice-editor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 20px;
}

.choice-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.flex-grow {
  flex: 1;
}

.block-editor {
  display: grid;
  gap: 16px;
  margin-top: 10px;
}

.block-editor-row {
  background: #f8fbfe;
  border: 1px solid rgba(16, 24, 40, 0.08);
  border-radius: 22px;
  padding: 16px;
  display: grid;
  gap: 14px;
}

.block-editor-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.block-editor-fields {
  display: grid;
  gap: 12px;
}

.block-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.block-toolbar select {
  width: auto;
  min-width: 160px;
}

.block-inline {
  display: grid;
  gap: 10px;
}

.attempt-layout {
  grid-template-columns: 300px minmax(0, 1fr);
  align-items: start;
}

.attempt-sidebar {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 16px;
}

.sidebar-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 20px;
  box-shadow: var(--shadow);
}

.sidebar-card h1 {
  margin: 0 0 8px;
  color: #0a1321;
}

.timer-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 140px;
  margin-top: 14px;
  padding: 14px 18px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: white;
  background: linear-gradient(135deg, #0ea5a7, #1573ff);
}

.timer-chip--urgent {
  background: linear-gradient(135deg, #f59e0b, #dc4c64);
}

.attempt-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 0.95rem;
}

.question-map {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.question-dot {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 16px;
  border: 1px solid rgba(16, 24, 40, 0.12);
  background: #f3f7fb;
  color: #12314f;
  font-weight: 800;
  cursor: pointer;
}

.question-dot.is-current {
  background: linear-gradient(135deg, #0ea5a7, #1573ff);
  color: white;
}

.question-dot.is-answered {
  border-color: rgba(31, 157, 114, 0.3);
  box-shadow: inset 0 0 0 2px rgba(31, 157, 114, 0.18);
}

.question-dot.is-flagged {
  background: rgba(245, 158, 11, 0.14);
  border-color: rgba(245, 158, 11, 0.26);
}

.sidebar-card--actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.attempt-main {
  display: grid;
  gap: 18px;
}

.question-card {
  display: none;
  background: var(--panel);
  padding: 24px;
}

.question-card.is-active {
  display: grid;
  gap: 18px;
}

.question-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}

.flag-toggle {
  border: 1px solid rgba(245, 158, 11, 0.22);
  background: rgba(245, 158, 11, 0.08);
  color: #9a5d02;
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}

.flag-toggle.is-flagged {
  background: rgba(245, 158, 11, 0.18);
}

.question-stem {
  font-size: 1.08rem;
  line-height: 1.65;
  color: #12263f;
}

.choice-list {
  display: grid;
  gap: 12px;
}

.choice-card,
.review-choice {
  display: grid;
  grid-template-columns: 28px 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border-radius: 18px;
  border: 1px solid rgba(16, 24, 40, 0.12);
  background: #f8fbfe;
}

.choice-card:hover {
  border-color: rgba(14, 165, 167, 0.36);
}

.choice-card input {
  margin: 3px 0 0;
  width: 18px;
  height: 18px;
}

.choice-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 12px;
  background: #e8f1ff;
  color: #12385c;
  font-family: var(--font-display);
  font-weight: 800;
}

.choice-text {
  line-height: 1.55;
}

.review-answers {
  display: grid;
  gap: 12px;
}

.review-choice.is-correct {
  border-color: rgba(31, 157, 114, 0.32);
  background: rgba(31, 157, 114, 0.08);
}

.review-choice.is-selected {
  box-shadow: inset 0 0 0 2px rgba(20, 131, 182, 0.12);
}

.explanation {
  padding: 14px 16px;
  border-radius: 18px;
  background: #f8fbfe;
  border: 1px solid rgba(16, 24, 40, 0.08);
}

.result-layout {
  grid-template-columns: minmax(0, 1fr);
}

.result-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin: 22px 0;
}

.result-metric {
  background: linear-gradient(180deg, #0b1530, #10284f);
  color: var(--text-inverse);
}

.review-list {
  display: grid;
  gap: 18px;
}

.divider {
  height: 1px;
  background: rgba(16, 24, 40, 0.08);
  border: 0;
}

.helper-text,
.section-note,
.sidebar-note,
.table-subtitle,
.question-meta,
.tiny-stack,
.site-footer {
  font-size: 0.95rem;
}

@media (max-width: 1080px) {
  .hero-grid,
  .dashboard-grid,
  .attempt-layout {
    grid-template-columns: 1fr;
  }

  .test-grid,
  .question-admin-grid,
  .result-grid {
    grid-template-columns: 1fr 1fr;
  }

  .panel--wide {
    grid-column: auto;
  }

  .attempt-sidebar {
    position: static;
  }
}

@media (max-width: 780px) {
  .page-shell {
    width: min(100vw - 20px, 1280px);
  }

  .topbar,
  .section-head,
  .panel-head,
  .question-head,
  .card-top,
  .header-actions {
    flex-direction: column;
    align-items: start;
  }

  .hero-panel,
  .panel,
  .auth-card,
  .test-card,
  .question-admin-card,
  .review-card,
  .question-card {
    padding: 18px;
    border-radius: 22px;
  }

  .hero-metrics,
  .stats,
  .result-grid,
  .test-grid,
  .question-admin-grid,
  .choice-editor-grid,
  .grid-form--two,
  .sidebar-card--actions,
  .question-map {
    grid-template-columns: 1fr;
  }

  .choice-row {
    grid-template-columns: 1fr;
  }

  .grid-form .span-2 {
    grid-column: auto;
  }

  .btn {
    width: 100%;
  }
}
