:root {
  color-scheme: light;
  --bg: #fff7ed;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-border: rgba(251, 191, 36, 0.32);
  --text: #292524;
  --muted: #78716c;
  --primary: #f59e0b;
  --primary-strong: #d97706;
  --success: #15803d;
  --danger: #dc2626;
  --danger-strong: #b91c1c;
  --shadow: 0 24px 60px rgba(120, 53, 15, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  color: var(--text);
  overscroll-behavior-y: contain;
  background:
    radial-gradient(circle at top, rgba(251, 191, 36, 0.3), transparent 30%),
    linear-gradient(180deg, #fffbeb 0%, var(--bg) 45%, #fed7aa 100%);
}

main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px 16px 32px;
}

.card {
  width: min(100%, 420px);
  padding: 28px 20px;
  border: 1px solid var(--surface-border);
  border-radius: 28px;
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transform: translateY(0);
  animation: card-enter 420ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  color: var(--primary-strong);
  font-size: 0.95rem;
  font-weight: 700;
}

.eyebrow-button {
  border: 0;
  cursor: pointer;
  width: auto;
  min-height: 0;
  text-align: left;
}

.eyebrow-button[disabled] {
  cursor: default;
  opacity: 0.9;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 6.2vw, 3.25rem);
  line-height: 0.95;
  letter-spacing: 0;
}

p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.counter-panel {
  position: relative;
  margin-top: 24px;
  padding: 20px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(255, 251, 235, 0.92) 0%, rgba(255, 237, 213, 0.96) 100%);
  overflow: hidden;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.counter-panel::after {
  content: "";
  position: absolute;
  inset: auto -20% -35% auto;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.18), transparent 70%);
  pointer-events: none;
}

.counter-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.counter {
  margin: 8px 0 0;
  font-size: clamp(4rem, 16vw, 5.8rem);
  line-height: 1;
  font-weight: 900;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  transform-origin: center;
}

.counter.bump {
  animation: counter-bump 300ms ease;
}

.counter-subtitle {
  margin: 10px 0 0;
  color: var(--primary-strong);
  font-weight: 700;
  min-height: 1.5em;
  transition: opacity 180ms ease, transform 180ms ease;
}

.counter-subtitle.swap {
  opacity: 0.72;
  transform: translateY(-2px);
}

.updated-ago,
.sync-status {
  margin: 0;
  font-size: 0.76rem;
  line-height: 1.35;
}

.updated-ago {
  color: var(--muted);
}

.sync-status {
  font-weight: 700;
}

.sync-status.synced {
  color: var(--success);
}

.sync-status.offline {
  color: var(--danger);
}

.session-name-block {
  flex: 1 1 auto;
  min-width: 120px;
  margin: 0;
}

.session-name-display,
.session-name-input {
  width: auto;
  max-width: 100%;
  min-height: 0;
  border-radius: 8px;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  font-weight: 900;
  text-align: left;
}

.session-name-display {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.session-name-display::after {
  display: none;
}

.session-name-display:hover,
.session-name-display:focus-visible {
  box-shadow: none;
  transform: none;
  color: var(--primary-strong);
}

.session-name-display.empty {
  color: var(--muted);
  font-weight: 700;
}

.session-name-input:focus {
  outline: none;
  box-shadow: 0 2px 0 rgba(245, 158, 11, 0.55);
}

.session-name-input {
  width: 100%;
}

.actions {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

button {
  width: 100%;
  min-height: 56px;
  border: 0;
  border-radius: 18px;
  padding: 0 18px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 140ms ease, opacity 140ms ease, background-color 140ms ease, box-shadow 180ms ease;
}

button::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 15%, rgba(255, 255, 255, 0.3) 50%, transparent 85%);
  transform: translateX(-120%);
  transition: transform 320ms ease;
  pointer-events: none;
}

button:hover::after,
button:focus-visible::after {
  transform: translateX(120%);
}

button:hover,
button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(120, 53, 15, 0.12);
  outline: none;
}

button:active {
  transform: scale(0.98);
}

.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
}

.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(120, 113, 108, 0.16);
}

.danger {
  color: #fff;
  background: linear-gradient(135deg, var(--danger) 0%, var(--danger-strong) 100%);
}

.split-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

button[hidden] {
  display: none;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.compact {
  width: auto;
  min-height: 40px;
  padding: 0 12px;
  border-radius: 14px;
  white-space: nowrap;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-size: 0.95rem;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #b45309;
  flex: 0 0 auto;
}

.status.online .status-dot {
  background: var(--success);
}

.status.api-offline .status-dot {
  background: var(--danger);
}

.session-banner {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(251, 191, 36, 0.28);
  transition: opacity 180ms ease, transform 180ms ease;
}

.session-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.session-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 7px;
}

.session-meta-row .updated-ago {
  text-align: right;
}

.session-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.session-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
}

.session-identity {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
  flex: 1 1 auto;
  flex-wrap: wrap;
}

.session-id {
  margin: 0;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.toast {
  margin-top: 12px;
  min-height: 1.25rem;
  color: var(--primary-strong);
  font-weight: 700;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes card-enter {
  from {
    opacity: 0;
    transform: translateY(18px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes counter-bump {
  0% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.08);
  }

  100% {
    transform: scale(1);
  }
}

@media (min-width: 768px) {
  .card {
    padding: 32px;
  }
}

@media (max-width: 767px) {
  main {
    padding: 12px;
  }

  .card {
    padding: 20px 16px;
    border-radius: 24px;
  }

  .eyebrow {
    margin-bottom: 10px;
    padding: 7px 10px;
    font-size: 0.88rem;
  }

  h1 {
    font-size: clamp(1.95rem, 6vw, 2.55rem);
  }

  p {
    margin-top: 12px;
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .counter-panel {
    margin-top: 18px;
    padding: 16px;
    border-radius: 20px;
  }

  .counter {
    font-size: clamp(3.5rem, 14vw, 4.6rem);
  }

  .counter-subtitle {
    margin-top: 8px;
    font-size: 0.95rem;
  }

  .updated-ago,
  .sync-status {
    font-size: 0.72rem;
  }

  .session-meta-row {
    gap: 8px;
  }

  .session-name-block {
    min-width: 100px;
    margin: 0;
  }

  .session-name-display,
  .session-name-input {
    border-radius: 14px;
    font-size: 0.95rem;
  }

  .session-banner {
    margin-top: 12px;
    padding: 12px 14px;
  }

  .session-id {
    font-size: 0.74rem;
  }

  .compact {
    min-height: 36px;
    padding: 0 10px;
    font-size: 0.88rem;
  }

  .actions {
    gap: 10px;
    margin-top: 20px;
  }

  .split-actions {
    gap: 10px;
  }

  button {
    min-height: 50px;
    border-radius: 16px;
    padding: 0 14px;
  }

  .status {
    gap: 8px;
    margin-top: 14px;
    padding: 10px 12px;
    font-size: 0.9rem;
  }

  .toast {
    margin-top: 10px;
    min-height: 1.1rem;
    font-size: 0.95rem;
  }
}