/* =========================================================
   Beer Translate — Material 3 (seed: amber / пиво)
   ========================================================= */

:root {
  --md-primary: #7a5900;
  --md-on-primary: #ffffff;
  --md-primary-container: #ffdea6;
  --md-on-primary-container: #261900;
  --md-secondary: #6b5d3f;
  --md-on-secondary: #ffffff;
  --md-secondary-container: #f4e0bb;
  --md-on-secondary-container: #241a04;
  --md-tertiary: #4a6547;
  --md-on-tertiary: #ffffff;
  --md-tertiary-container: #cceBc4;
  --md-on-tertiary-container: #07200a;
  --md-error: #ba1a1a;
  --md-on-error: #ffffff;
  --md-error-container: #ffdad6;
  --md-on-error-container: #410002;
  --md-surface: #fff8f2;
  --md-on-surface: #1f1b13;
  --md-on-surface-variant: #4d4639;
  --md-surface-container-lowest: #ffffff;
  --md-surface-container-low: #faf2e6;
  --md-surface-container: #f4ecdf;
  --md-surface-container-high: #eee6d9;
  --md-surface-container-highest: #e9e1d4;
  --md-outline: #7f7667;
  --md-outline-variant: #d0c5b4;
  --md-inverse-surface: #353027;
  --md-inverse-on-surface: #f8efe2;
  --md-inverse-primary: #f5bd48;
  --md-scrim: rgba(0, 0, 0, .4);

  --win: #2e7d32;
  --lose: #ba1a1a;

  --shape-xs: 4px;
  --shape-s: 8px;
  --shape-m: 12px;
  --shape-l: 16px;
  --shape-xl: 28px;
  --shape-full: 999px;

  --elev-1: 0 1px 2px rgba(0,0,0,.3), 0 1px 3px 1px rgba(0,0,0,.15);
  --elev-2: 0 1px 2px rgba(0,0,0,.3), 0 2px 6px 2px rgba(0,0,0,.15);
  --elev-3: 0 4px 8px 3px rgba(0,0,0,.15), 0 1px 3px rgba(0,0,0,.3);

  --ease-emph: cubic-bezier(.2, 0, 0, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);

  color-scheme: light;
}

:root[data-theme="dark"] {
  --md-primary: #f5bd48;
  --md-on-primary: #402d00;
  --md-primary-container: #5c4300;
  --md-on-primary-container: #ffdea6;
  --md-secondary: #d7c4a0;
  --md-on-secondary: #3a2f15;
  --md-secondary-container: #52452a;
  --md-on-secondary-container: #f4e0bb;
  --md-tertiary: #b0cfa9;
  --md-on-tertiary: #1d361c;
  --md-tertiary-container: #334d31;
  --md-on-tertiary-container: #cceBc4;
  --md-error: #ffb4ab;
  --md-on-error: #690005;
  --md-error-container: #93000a;
  --md-on-error-container: #ffdad6;
  --md-surface: #17130b;
  --md-on-surface: #ebe1d4;
  --md-on-surface-variant: #d0c5b4;
  --md-surface-container-lowest: #110e07;
  --md-surface-container-low: #1f1b13;
  --md-surface-container: #231f17;
  --md-surface-container-high: #2e2921;
  --md-surface-container-highest: #39342b;
  --md-outline: #998f80;
  --md-outline-variant: #4d4639;
  --md-inverse-surface: #ebe1d4;
  --md-inverse-on-surface: #353027;
  --md-inverse-primary: #7a5900;
  --md-scrim: rgba(0, 0, 0, .6);

  --win: #8fd88f;
  --lose: #ffb4ab;

  color-scheme: dark;
}

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100dvh;
  background: var(--md-surface);
  color: var(--md-on-surface);
  font-family: "Roboto", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
  transition: background-color .3s, color .3s;
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--md-primary); }
[hidden] { display: none !important; }

.ms {
  font-family: "Material Symbols Rounded";
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  direction: ltr;
  -webkit-font-smoothing: antialiased;
  font-variation-settings: "FILL" 0, "wght" 400, "GRAD" 0, "opsz" 24;
  user-select: none;
  flex-shrink: 0;
}
.ms.fill { font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24; }

/* typescale */
.display-s { font-size: 36px; line-height: 44px; font-weight: 400; margin: 0; }
.headline-l { font-size: 32px; line-height: 40px; font-weight: 400; margin: 0; }
.headline-m { font-size: 28px; line-height: 36px; font-weight: 400; margin: 0; }
.headline-s { font-size: 24px; line-height: 32px; font-weight: 400; margin: 0; }
.title-l { font-size: 22px; line-height: 28px; font-weight: 400; margin: 0; }
.title-m { font-size: 16px; line-height: 24px; font-weight: 500; letter-spacing: .15px; margin: 0; }
.title-s { font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: .1px; margin: 0; }
.body-l { font-size: 16px; line-height: 24px; }
.body-m { font-size: 14px; line-height: 20px; letter-spacing: .25px; }
.body-s { font-size: 12px; line-height: 16px; letter-spacing: .4px; }
.label-l { font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: .1px; }
.label-m { font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: .5px; }
.muted { color: var(--md-on-surface-variant); }
.tabular { font-variant-numeric: tabular-nums; }

/* ---------- state layer ---------- */
.sl { position: relative; overflow: hidden; isolation: isolate; }
.sl::before {
  content: "";
  position: absolute; inset: 0;
  background: currentColor;
  opacity: 0;
  transition: opacity .15s;
  pointer-events: none;
  z-index: -1;
  border-radius: inherit;
}
@media (hover: hover) { .sl:hover::before { opacity: .08; } }
.sl:focus-visible::before, .sl:active::before { opacity: .12; }
.sl:focus-visible { outline: 3px solid var(--md-primary); outline-offset: 2px; }

.ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  background: currentColor;
  opacity: .16;
  pointer-events: none;
  animation: ripple .55s var(--ease-emph) forwards;
  z-index: -1;
}
@keyframes ripple { to { transform: scale(1); opacity: 0; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 40px; padding: 0 24px;
  border: 0; border-radius: var(--shape-full);
  font-size: 14px; font-weight: 500; letter-spacing: .1px;
  cursor: pointer; white-space: nowrap;
  background: var(--md-primary); color: var(--md-on-primary);
  transition: box-shadow .2s, background-color .2s, transform .15s var(--ease-emph), border-radius .2s var(--ease-emph);
  user-select: none;
}
.btn .ms { font-size: 18px; margin-left: -8px; }
.btn:active { border-radius: var(--shape-m); }
@media (hover: hover) { .btn:not(.text):not(.outlined):not(:disabled):hover { box-shadow: var(--elev-1); } }
.btn.tonal { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.btn.tertiary { background: var(--md-tertiary-container); color: var(--md-on-tertiary-container); }
.btn.danger { background: var(--md-error); color: var(--md-on-error); }
.btn.outlined { background: transparent; color: var(--md-primary); border: 1px solid var(--md-outline); }
.btn.text { background: transparent; color: var(--md-primary); padding: 0 12px; }
.btn.text .ms { margin-left: -4px; }
.btn.lg { height: 56px; padding: 0 28px; font-size: 16px; border-radius: var(--shape-l); }
.btn.lg .ms { font-size: 24px; }
.btn.lg:active { border-radius: var(--shape-s); }
.btn.block { width: 100%; }
.btn:disabled {
  background: color-mix(in srgb, var(--md-on-surface) 12%, transparent);
  color: color-mix(in srgb, var(--md-on-surface) 38%, transparent);
  border-color: color-mix(in srgb, var(--md-on-surface) 12%, transparent);
  cursor: default; box-shadow: none;
}
.btn.text:disabled, .btn.outlined:disabled { background: transparent; }

.icon-btn {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px; padding: 0;
  border: 0; border-radius: var(--shape-full);
  background: transparent; color: var(--md-on-surface-variant);
  cursor: pointer;
  transition: border-radius .2s var(--ease-emph), background-color .2s;
}
.icon-btn:active { border-radius: var(--shape-m); }
.icon-btn.filled { background: var(--md-primary); color: var(--md-on-primary); }
.icon-btn.tonal { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.icon-btn.outlined { border: 1px solid var(--md-outline-variant); }
.icon-btn.selected { background: var(--md-primary); color: var(--md-on-primary); }
.icon-btn:disabled { color: color-mix(in srgb, var(--md-on-surface) 38%, transparent); cursor: default; }

.fab {
  display: inline-flex; align-items: center; justify-content: center; gap: 12px;
  min-width: 56px; height: 56px; padding: 0 16px;
  border: 0; border-radius: var(--shape-l);
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  box-shadow: var(--elev-3);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  transition: box-shadow .2s, border-radius .2s var(--ease-emph);
}
.fab:active { border-radius: var(--shape-xl); }

/* ---------- segmented / chips ---------- */
.segmented {
  display: inline-flex;
  border: 1px solid var(--md-outline);
  border-radius: var(--shape-full);
  overflow: hidden;
  max-width: 100%;
}
.segmented button {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  flex: 1 1 0;
  min-width: 0;
  height: 40px; padding: 0 14px;
  border: 0; border-left: 1px solid var(--md-outline);
  background: transparent; color: var(--md-on-surface);
  font-size: 14px; font-weight: 500;
  cursor: pointer; white-space: nowrap;
}
.segmented button:first-child { border-left: 0; }
.segmented button .ms { font-size: 18px; display: none; }
.segmented button[aria-pressed="true"] { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.segmented button[aria-pressed="true"] .ms { display: inline-block; }
.segmented.block { display: flex; width: 100%; }

.chip {
  display: inline-flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 16px;
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--shape-s);
  background: transparent; color: var(--md-on-surface-variant);
  font-size: 14px; font-weight: 500;
  cursor: pointer; white-space: nowrap;
}
.chip .ms { font-size: 18px; margin-left: -6px; }
.chip.selected, .chip[aria-pressed="true"] { background: var(--md-secondary-container); color: var(--md-on-secondary-container); border-color: transparent; }
.chip.assist { cursor: default; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- cards ---------- */
.card {
  border-radius: var(--shape-l);
  background: var(--md-surface-container-low);
  box-shadow: var(--elev-1);
  padding: 16px;
}
.card.filled { background: var(--md-surface-container-highest); box-shadow: none; }
.card.outlined { background: var(--md-surface); border: 1px solid var(--md-outline-variant); box-shadow: none; }
.card.flat { background: var(--md-surface-container); box-shadow: none; }

/* ---------- text field ---------- */
.field { position: relative; display: flex; align-items: center; }
.field input, .field select {
  width: 100%;
  height: 56px;
  padding: 0 16px;
  border: 1px solid var(--md-outline);
  border-radius: var(--shape-xs);
  background: transparent;
  outline: none;
  font-size: 16px;
}
.field input:focus, .field select:focus { border: 2px solid var(--md-primary); padding: 0 15px; }
.field label {
  position: absolute; left: 12px; top: -9px;
  padding: 0 4px;
  background: var(--bg, var(--md-surface));
  color: var(--md-on-surface-variant);
  font-size: 12px; line-height: 16px;
  pointer-events: none;
}
.field input:focus + label { color: var(--md-primary); }
.field .prefix { position: absolute; left: 16px; color: var(--md-on-surface-variant); pointer-events: none; }
.field .prefix + input { padding-left: 30px; }
.field .prefix + input:focus { padding-left: 29px; }

/* ---------- app shell ---------- */
.app { display: flex; min-height: 100dvh; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.rail {
  position: sticky; top: 0;
  width: 96px; height: 100dvh;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 20px 0 24px;
  background: var(--md-surface);
  flex-shrink: 0;
  z-index: 5;
}
.rail .logo {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: var(--shape-l);
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  font-size: 30px;
  margin-bottom: 28px;
  text-decoration: none;
  box-shadow: var(--elev-1);
}
.rail .spacer { flex: 1; }

.dest {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  width: 80px;
  padding: 0;
  border: 0; background: none;
  color: var(--md-on-surface-variant);
  font-size: 12px; font-weight: 500; letter-spacing: .5px;
  text-decoration: none;
  cursor: pointer;
}
.dest .ind {
  width: 56px; height: 32px;
  display: grid; place-items: center;
  border-radius: var(--shape-full);
  position: relative; overflow: hidden; isolation: isolate;
  transition: background-color .25s var(--ease-emph);
}
.dest .ind::before { content: ""; position: absolute; inset: 0; background: currentColor; opacity: 0; transition: opacity .15s; z-index: -1; }
@media (hover: hover) { .dest:hover .ind::before { opacity: .08; } }
.dest[aria-current="page"] { color: var(--md-on-surface); }
.dest[aria-current="page"] .ind { background: var(--md-secondary-container); color: var(--md-on-secondary-container); animation: indPop .35s var(--ease-emph); }
.dest[aria-current="page"] .ms { font-variation-settings: "FILL" 1, "wght" 500, "GRAD" 0, "opsz" 24; }
@keyframes indPop { from { transform: scaleX(.4); } to { transform: scaleX(1); } }

.topbar {
  position: sticky; top: 0; z-index: 4;
  display: flex; align-items: center; gap: 4px;
  min-height: 64px;
  padding: 8px 8px 8px 16px;
  background: var(--md-surface);
  transition: background-color .2s;
}
.topbar.scrolled { background: var(--md-surface-container); }
.topbar .title { flex: 1; min-width: 0; font-size: 22px; line-height: 28px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar .back { margin-left: -8px; }
@media (min-width: 840px) { .topbar-theme { display: none; } }

.balance-chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 14px 0 10px;
  border-radius: var(--shape-full);
  background: var(--md-tertiary-container); color: var(--md-on-tertiary-container);
  font-weight: 700; font-variant-numeric: tabular-nums;
  white-space: nowrap;
  transition: transform .25s var(--ease-spring);
}
.balance-chip .ms { font-size: 20px; }
.balance-chip.bump { transform: scale(1.1); }
.balance-chip.down { background: var(--md-error-container); color: var(--md-on-error-container); }

.navbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6;
  display: none;
  justify-content: space-around;
  height: calc(80px + env(safe-area-inset-bottom));
  padding: 12px 8px calc(16px + env(safe-area-inset-bottom));
  background: var(--md-surface-container);
}
.navbar .dest { flex: 1; width: auto; }

.view-wrap { flex: 1; padding: 0 24px 32px; }
.view { max-width: 1200px; margin: 0 auto; animation: viewIn .35s var(--ease-emph); }
@keyframes viewIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 839px) {
  .rail { display: none; }
  .navbar { display: flex; }
  .main { padding-bottom: calc(80px + env(safe-area-inset-bottom)); }
  .view-wrap { padding: 0 16px 24px; }
  body.immersive .navbar { display: none; }
  body.immersive .main { padding-bottom: env(safe-area-inset-bottom); }
}

/* ---------- snackbar ---------- */
.snackbar {
  position: fixed; left: 50%; bottom: 24px; z-index: 50;
  display: flex; align-items: center; gap: 8px;
  min-height: 48px; max-width: min(560px, calc(100vw - 32px));
  padding: 4px 8px 4px 16px;
  border-radius: var(--shape-xs);
  background: var(--md-inverse-surface); color: var(--md-inverse-on-surface);
  box-shadow: var(--elev-3);
  font-size: 14px;
  transform: translate(-50%, 24px);
  opacity: 0; pointer-events: none;
  transition: transform .3s var(--ease-emph), opacity .2s;
}
.snackbar.show { transform: translate(-50%, 0); opacity: 1; pointer-events: auto; }
.snackbar .btn.text { color: var(--md-inverse-primary); }
@media (max-width: 839px) { .snackbar { bottom: calc(96px + env(safe-area-inset-bottom)); } body.immersive .snackbar { bottom: 16px; } }

/* ---------- dialog ---------- */
.dialog-scrim {
  position: fixed; inset: 0; z-index: 40;
  display: grid; place-items: center;
  padding: 24px;
  background: var(--md-scrim);
  animation: fadeIn .2s;
}
.dialog {
  width: min(400px, 100%);
  padding: 24px;
  border-radius: var(--shape-xl);
  background: var(--md-surface-container-high);
  box-shadow: var(--elev-3);
  animation: dialogIn .35s var(--ease-emph);
}
.dialog .d-icon { display: block; margin: 0 auto 16px; color: var(--md-secondary); }
.dialog h2 { margin: 0 0 16px; font-size: 24px; line-height: 32px; font-weight: 400; }
.dialog.center h2 { text-align: center; }
.dialog p { margin: 0; color: var(--md-on-surface-variant); font-size: 14px; line-height: 20px; }
.dialog .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; flex-wrap: wrap; }
@keyframes fadeIn { from { opacity: 0; } }
@keyframes dialogIn { from { opacity: 0; transform: scale(.9) translateY(-12px); } }

/* ---------- tabs ---------- */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--md-surface-container-highest);
  margin-bottom: 20px;
}
.tabs button {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  height: 64px;
  border: 0; background: none;
  color: var(--md-on-surface-variant);
  font-size: 14px; font-weight: 500;
  cursor: pointer;
  position: relative;
}
.tabs button[aria-selected="true"] { color: var(--md-primary); }
.tabs button[aria-selected="true"]::after {
  content: ""; position: absolute; bottom: 0; left: 50%;
  width: 64px; height: 3px; margin-left: -32px;
  border-radius: 3px 3px 0 0;
  background: var(--md-primary);
  animation: indPop .3s var(--ease-emph);
}
.tabs button[aria-selected="true"] .ms { font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 24; }

/* ---------- misc ---------- */
.row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.row.nowrap { flex-wrap: nowrap; }
.spacer { flex: 1; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.section-title { margin: 28px 0 12px; }
.divider { height: 1px; background: var(--md-outline-variant); border: 0; margin: 16px 0; }

.progress { height: 4px; border-radius: 4px; background: var(--md-secondary-container); overflow: hidden; }
.progress > div { height: 100%; border-radius: 4px; background: var(--md-primary); transition: width .4s var(--ease-emph); }

.badge {
  display: inline-grid; place-items: center;
  min-width: 16px; height: 16px; padding: 0 4px;
  border-radius: 8px;
  background: var(--md-error); color: var(--md-on-error);
  font-size: 11px; font-weight: 500;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; transition-duration: .001s !important; }
}