:root {
  --bg-1: #f7efd7;
  --bg-2: #e9ddb8;
  --ink: #1f2730;
  --muted: #646d77;
  --panel: rgba(255, 250, 235, 0.88);
  --panel-strong: #fffef7;
  --stroke: rgba(25, 36, 49, 0.16);
  --accent: #20755f;
  --accent-2: #9b3e42;
  --shadow: 0 16px 40px rgba(27, 40, 56, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Manrope", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 252, 240, 0.9) 0%, transparent 46%),
    radial-gradient(circle at 82% 72%, rgba(229, 218, 182, 0.85) 0%, transparent 54%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
  padding:
    max(12px, env(safe-area-inset-top))
    max(12px, env(safe-area-inset-right))
    max(12px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
  overscroll-behavior: none;
  -webkit-tap-highlight-color: transparent;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}

.topbar,
.hud .card,
.toggle,
.online-panel,
.info-strip {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 14px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(4px);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
}

.topbar-actions {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

h1 {
  margin: 0;
  font-family: "Jura", "Manrope", sans-serif;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1;
  letter-spacing: 0.03em;
}

.subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.hud {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(5, minmax(120px, 1fr)) minmax(200px, auto);
}

.card {
  min-height: 74px;
  padding: 10px 12px;
}

.label {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.value {
  margin: 6px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.timer-value {
  font-size: 13px;
  line-height: 1.35;
  white-space: pre-line;
}

.mode-select,
.field input {
  width: 100%;
  border: 1px solid rgba(27, 40, 56, 0.24);
  border-radius: 10px;
  padding: 8px 10px;
  font: inherit;
  color: var(--ink);
  background: var(--panel-strong);
  outline: none;
}

.mode-select {
  margin-top: 7px;
  font-weight: 700;
}

.mode-select:focus,
.field input:focus {
  border-color: rgba(32, 117, 95, 0.7);
  box-shadow: 0 0 0 3px rgba(32, 117, 95, 0.14);
}

.toggle {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  font-weight: 700;
}

.board-wrap {
  position: relative;
  border: 2px solid rgba(24, 35, 49, 0.24);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #f8f3de;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
}

.overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 25, 35, 0.58);
}

.hidden {
  display: none !important;
}

.overlay-card {
  width: min(500px, 100%);
  background: var(--panel-strong);
  border: 1px solid rgba(24, 35, 49, 0.24);
  border-radius: 16px;
  padding: 20px 16px;
  text-align: center;
}

.overlay-card h2 {
  margin: 0 0 8px;
  font-family: "Jura", "Manrope", sans-serif;
  font-size: 30px;
}

.overlay-card p {
  margin: 0 0 14px;
  line-height: 1.4;
}

.btn {
  border: 0;
  border-radius: 10px;
  min-height: 42px;
  padding: 10px 16px;
  color: #fff;
  font-family: "Manrope", "Segoe UI", sans-serif;
  font-weight: 800;
  cursor: pointer;
  background: linear-gradient(140deg, #2e8c71, var(--accent));
  transition: transform 0.12s ease, filter 0.12s ease;
}

.btn:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
}

.btn.danger {
  background: linear-gradient(140deg, #b25357, var(--accent-2));
}

.info-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  padding: 8px 10px;
}

.info-pill {
  margin: 0;
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid rgba(31, 39, 48, 0.13);
  background: rgba(255, 255, 255, 0.56);
  font-size: 13px;
  font-weight: 700;
  color: #2a323b;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.info-pill-accent {
  background: rgba(32, 117, 95, 0.12);
  color: #114f40;
}

.online-panel {
  padding: 10px 12px;
  display: grid;
  gap: 10px;
}

.online-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(180px, 250px) 1fr;
  align-items: end;
}

.field {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.lang-field {
  min-width: 96px;
}

.compact-select {
  margin-top: 0;
  min-width: 92px;
  padding: 8px;
}

.field input {
  min-height: 40px;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.online-status {
  margin: 0;
  border-radius: 10px;
  border: 1px solid rgba(31, 39, 48, 0.15);
  background: rgba(255, 255, 255, 0.56);
  padding: 8px 10px;
  font-size: 13px;
  font-weight: 700;
}

.online-status.error {
  color: #8a2525;
  background: #fce9e9;
  border-color: #d27b7b;
}

@media (max-width: 1060px) {
  .hud {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
  }

  .toggle {
    grid-column: 1 / -1;
  }

  .online-grid {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .buttons .btn {
    flex: 1 1 calc(50% - 8px);
  }
}

@media (max-width: 700px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .topbar-actions {
    width: 100%;
    align-items: stretch;
    flex-direction: column;
  }

  .topbar-actions .btn,
  .topbar-actions .lang-field {
    width: 100%;
  }

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

  .subtitle {
    font-size: 12px;
  }

  .info-strip {
    grid-template-columns: 1fr;
  }

  .info-pill {
    white-space: normal;
  }

  .buttons .btn {
    flex: 1 1 100%;
  }

  .value {
    font-size: 17px;
  }
}