:root {
  --ink: #10222f;
  --paper: #f6f2e8;
  --panel: #ffffff;
  --line: #d8d2c3;
  --accent: #1565c0;
  --warn: #c62828;
  --success: #2e7d32;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Avenir Next', 'Segoe UI', sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 0%, rgba(21, 101, 192, 0.08), transparent 30%),
    radial-gradient(circle at 10% 20%, rgba(46, 125, 50, 0.08), transparent 40%),
    var(--paper);
}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1rem 0.9rem 2rem;
}

.topbar {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    'brand menu'
    'user user'
    'nav nav';
  gap: 0.8rem;
  align-items: center;
  padding: 0.8rem 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 10px 22px rgba(16, 34, 47, 0.08);
  margin-bottom: 1rem;
}

.brand {
  grid-area: brand;
}

.topbar nav {
  display: none;
  flex-wrap: wrap;
  gap: 0.35rem;
  grid-area: nav;
}

.topbar nav.open {
  display: flex;
}

.topbar a {
  display: inline-block;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid transparent;
}

.topbar a.active,
.topbar a:hover {
  border-color: var(--accent);
  background: rgba(21, 101, 192, 0.08);
}

.settings-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 0.35rem 0 0.9rem;
}

.nav-toggle {
  grid-area: menu;
  justify-self: end;
  width: 2.6rem;
  height: 2.6rem;
  padding: 0.45rem;
  border: 1px solid #909090;
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.28rem;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transition: transform 150ms ease, opacity 150ms ease;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-logout {
  display: inline-block;
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  border: 1px solid var(--warn);
  background: var(--warn);
  font: inherit;
  cursor: pointer;
}

.nav-logout:hover {
  filter: brightness(0.95);
}

.settings-tabs a {
  display: inline-block;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  text-decoration: none;
  color: var(--ink);
  border: 1px solid var(--line);
  background: #fff;
}

.settings-tabs a.active,
.settings-tabs a:hover {
  border-color: var(--accent);
  background: rgba(21, 101, 192, 0.08);
}

.userbox {
  display: flex;
  grid-area: user;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 10px 20px rgba(16, 34, 47, 0.05);
  padding: 1rem;
  margin-bottom: 0.9rem;
}

.main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
}

.counter-card {
  padding: 1.3rem;
  border-width: 2px;
  border-color: rgba(21, 101, 192, 0.35);
  box-shadow: 0 14px 30px rgba(21, 101, 192, 0.15);
}

.counter-card h1 {
  margin-bottom: 0.9rem;
  font-size: clamp(1.8rem, 6.6vw, 2.5rem);
}

.counter-card .counter-row {
  padding: 1.1rem 1rem;
  border-width: 2px;
  background: #fff;
}

.counter-card .counter-actions .button {
  min-height: 2.6rem;
  min-width: 3.2rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.counter-card .counter-actions .count-pill {
  min-width: 5.2rem;
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  border-width: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font-size: 1.15rem;
  line-height: 1;
  box-shadow: 0 8px 16px rgba(16, 34, 47, 0.15);
}

.count-pill-icon {
  font-size: 1.1rem;
}

.count-pill-label {
  font-weight: 800;
  letter-spacing: 0.01em;
}

.minus-pill {
  background: linear-gradient(180deg, #fbd7d7 0%, #f7b2b2 100%);
  border-color: #d75b5b;
  color: #6e1111;
}

.plus-pill {
  background: linear-gradient(180deg, #d7f1d6 0%, #afe7af 100%);
  border-color: #4f9f56;
  color: #114f19;
}

.count-pill:disabled {
  opacity: 0.5;
  box-shadow: none;
}

.counter-card .counter-actions .change-drink {
  min-width: 10.5rem;
}

.side-stack {
  display: grid;
  align-content: start;
  gap: 0.9rem;
}

.compact-card {
  padding: 0.85rem;
  box-shadow: 0 6px 12px rgba(16, 34, 47, 0.06);
}

.compact-card h1,
.compact-card h2 {
  margin-bottom: 0.45rem;
  font-size: 1.05rem;
}

.accordion-card details > summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.accordion-card details > summary::-webkit-details-marker {
  display: none;
}

.accordion-card details > summary::after {
  content: '▾';
  float: right;
  transition: transform 120ms ease;
}

.accordion-card details[open] > summary::after {
  transform: rotate(180deg);
}

.accordion-body {
  margin-top: 0.7rem;
}

.card h1,
.card h2,
.card h3 {
  margin-top: 0;
}

.auth-shell {
  max-width: 460px;
  margin: 4rem auto;
  padding: 0 0.8rem;
}

.auth-links {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.stack {
  display: grid;
  gap: 0.55rem;
}

.counter-row,
.entity-row,
.history-row,
.summary-row {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.75rem;
  background: #fffcf6;
}

.counter-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.65rem;
  align-items: center;
}

.counter-actions {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  flex-wrap: wrap;
}

.muted {
  opacity: 0.72;
}

.empty {
  margin: 0;
  opacity: 0.75;
  font-style: italic;
}

.hidden-panel {
  display: none;
}

.session-start-inline {
  display: grid;
  gap: 0.8rem;
  justify-items: start;
}

.primary-start {
  font-weight: 700;
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
}

.inline-form {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  align-items: end;
}

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

.table-like th,
.table-like td {
  border-bottom: 1px solid var(--line);
  padding: 0.45rem;
  text-align: left;
  vertical-align: middle;
}

.table-like th {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.label-pill {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.8rem;
}

.alert-note {
  color: var(--warn);
}

.success-note {
  color: var(--success);
}

.drink-picker-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(16, 34, 47, 0.35);
  display: grid;
  place-items: center;
  z-index: 2000;
  padding: 1rem;
}

.drink-picker {
  width: min(460px, 100%);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 20px 40px rgba(16, 34, 47, 0.2);
  padding: 1rem;
}

.drink-picker h3 {
  margin: 0 0 0.4rem;
}

.drink-picker select {
  margin-bottom: 0.7rem;
}

.drink-picker-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
}

.password-input-wrap {
  position: relative;
}

.password-input-wrap input {
  padding-right: 2.5rem;
}

.password-toggle {
  position: absolute;
  top: 50%;
  right: 0.35rem;
  transform: translateY(-50%);
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  line-height: 1;
  font-size: 1rem;
}

.history-map {
  width: 100%;
  min-height: 320px;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin-bottom: 0.8rem;
  overflow: hidden;
}

.monthly-chart {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.monthly-chart-row {
  display: grid;
  grid-template-columns: 90px 1fr 90px;
  align-items: center;
  gap: 0.6rem;
}

.monthly-chart-label,
.monthly-chart-value {
  font-size: 0.85rem;
  color: var(--muted);
}

.monthly-chart-track {
  width: 100%;
  height: 0.9rem;
  border-radius: 999px;
  background: #e9eef2;
  overflow: hidden;
}

.monthly-chart-bar {
  height: 100%;
  min-width: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, #1f7a8c 0%, #39a96b 100%);
}

.beer-marker {
  display: grid;
  place-items: center;
  position: relative;
  font-size: 3.3rem;
  line-height: 1;
}

.beer-marker-icon {
  display: inline-block;
}

.beer-marker-badge {
  position: absolute;
  top: -0.3rem;
  right: 0.2rem;
  min-width: 1.8rem;
  height: 1.8rem;
  border-radius: 999px;
  padding: 0 0.35rem;
  background: #fff;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 0.95rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.map-popup-session ul {
  margin: 0.35rem 0 0.2rem 1rem;
}

@media (min-width: 901px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: 'brand nav user';
  }

  .nav-toggle {
    display: none;
  }

  .topbar nav {
    display: flex;
    grid-area: nav;
    align-items: center;
  }

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

  .main-grid {
    grid-template-columns: 2fr 1fr;
  }

  .userbox {
    justify-content: flex-end;
  }
}

@media (max-width: 900px) {
  .shell {
    padding: 0.8rem 0.75rem 1.25rem;
  }

  .topbar {
    padding: 0.7rem 0.8rem;
    gap: 0.6rem;
  }

  .topbar .button {
    margin-bottom: 0;
  }

  .topbar nav a {
    padding: 0.3rem 0.5rem;
    font-size: 0.93rem;
  }

  .topbar nav.open {
    display: grid;
    gap: 0.45rem;
  }

  .topbar nav.open a,
  .topbar nav.open .nav-logout {
    width: 100%;
    text-align: left;
    border-radius: 10px;
    padding: 0.45rem 0.6rem;
  }

  .userbox {
    gap: 0.5rem;
    font-size: 0.95rem;
  }

  .card {
    padding: 0.85rem;
  }

  .counter-card {
    padding: 1rem;
  }

  .counter-card h1 {
    margin-bottom: 0.55rem;
    font-size: clamp(1.95rem, 10vw, 2.3rem);
  }

  .accordion-card details > summary {
    font-size: 1.05rem;
  }

  .accordion-body {
    margin-top: 0.55rem;
  }

  .counter-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.7rem;
  }

  .counter-actions .change-drink {
    min-width: 0;
  }
}

@media (max-width: 480px) {
  .topbar {
    border-radius: 12px;
  }

  .brand strong {
    font-size: 1.95rem;
    line-height: 1.05;
  }

  .userbox {
    font-size: 0.88rem;
  }

  .counter-card h1 {
    font-size: 2.6rem;
  }

  .empty {
    font-size: 1.02rem;
  }
}