* {
  margin: 0;
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  background: #061827;
  color: #cbd8e8;
  font-family: "Geist", sans-serif;
}

button {
  color: inherit;
  font: inherit;
}

.app-container {
  min-height: 100vh;
  padding: 32px 16px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.dashboard-card {
  width: min(896px, 100%);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.timer-section,
.ledger-container {
  background: #0c1b2d;
  border-radius: 18px;
  box-shadow: 0 16px 40px rgb(0 0 0 / 12%);
}

.timer-section {
  position: relative;
  padding: 44px 40px 40px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px 16px;
}

.timer-gauge-ring {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
  border-radius: 7px;
  background: #041426;
}

.timer-gauge-ring::before {
  position: absolute;
  top: -146px;
  left: 50%;
  width: 300px;
  height: 300px;
  border: 1px solid rgb(22 88 112 / 12%);
  border-radius: 50%;
  content: "";
  transform: translateX(-50%);
}

.timer-gauge-ring::after {
  position: absolute;
  top: 7px;
  left: 50%;
  width: 2px;
  height: 10px;
  background: #087f85;
  content: "";
  opacity: 0.7;
}

.gauge-label {
  position: absolute;
  top: 41px;
  z-index: 1;
  color: #3bd2ee;
  font-family: monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
}

.gauge-label.minutes {
  left: 29%;
}

.gauge-label.seconds {
  left: 37.5%;
}

.gauge-label.millis {
  left: 62.5%;
  color: #42d7a9;
}

.timer-display {
  position: absolute;
  top: 102px;
  left: 0;
  z-index: 1;
  width: 100%;
  display: flex;
  align-items: baseline;
  justify-content: center;
  color: #42cce8;
  font-family: "Geist", sans-serif;
  font-size: clamp(52px, 7vw, 80px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -3px;
  text-shadow: 0 0 28px rgb(36 198 224 / 18%);
}

.digits {
  white-space: pre;
}

.timer-display > .decimal {
  margin-left: 0.32em;
  color: #31d2a2;
}

.timer-display .millis-digit {
  margin-left: 0.35em;
  color: #43d5a6;
  font-size: 0.68em;
}

.timer-gauge-ring {
  isolation: isolate;
}

.current-lap-pill {
  position: absolute;
  top: 198px;
  left: 50%;
  z-index: 1;
  min-height: 27px;
  padding: 4px 15px;
  display: flex;
  align-items: center;
  gap: 9px;
  border-radius: 20px;
  background: #1a2d41;
  color: #aebbc9;
  font-family: monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.4px;
  white-space: nowrap;
  transform: translateX(-50%);
}

.icon-dot {
  width: 12px;
  height: 12px;
  border: 2px solid #32cee8;
  border-radius: 50%;
}

.lap-time-mini {
  color: #39d2ed;
  font-size: 14px;
}

.hud-btn {
  height: 72px;
  flex: 1 1 0;
  max-width: 156px;
  border: 0;
  border-radius: 9px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 1.5px;
  transition: filter 150ms ease, transform 150ms ease;
}

.hud-btn:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.btn-icon {
  font-size: 15px;
  letter-spacing: 0;
}

.btn-key {
  color: rgb(7 28 38 / 60%);
  font-family: monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
}

.btn-start {
  background: #00a77b;
  color: #06352f;
  box-shadow: 0 0 24px rgb(0 196 145 / 15%);
}

.btn-pause {
  background: #f0a000;
  color: #573900;
  box-shadow: 0 0 24px rgb(244 160 0 / 16%);
}

.btn-lap {
  background: #08b5d0;
  color: #053542;
  box-shadow: 0 0 24px rgb(8 181 208 / 16%);
}

.btn-reset {
  background: #202f42;
  color: #d3dfef;
}

.btn-reset .btn-key {
  color: #a9b4c0;
}

.ledger-container {
  padding: 28px 24px 24px;
}

.ledger-header {
  min-height: 36px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ledger-title-group {
  min-width: 0;
  display: flex;
  align-items: center;
  column-gap: 8px;
}

.ledger-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  border-radius: 5px;
  display: grid;
  place-items: center;
  background: #1b2c40;
  color: #37cce7;
  font-size: 16px;
}

.ledger-title-group h3 {
  color: #d1deef;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
}

.session-tag {
  align-self: flex-end;
  padding-bottom: 1px;
  color: #a3b1c1;
  font-family: monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  white-space: nowrap;
}

.ledger-actions {
  display: flex;
  gap: 8px;
}

.mini-btn {
  min-height: 28px;
  padding: 0 14px;
  border: 0;
  border-radius: 4px;
  background: #1d2d41;
  color: #39cce7;
  cursor: pointer;
  font-family: monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.6px;
  white-space: nowrap;
}

.mini-btn + .mini-btn {
  color: #aebbc8;
}

.mini-btn:hover {
  background: #263a51;
}

.telemetry-table {
  overflow: hidden;
  border-radius: 8px;
  background: #061526;
  font-family: monospace;
  font-size: 13px;
  font-weight: 600;
}

.table-row {
  min-height: 42.8px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 16% 32% 35% 17%;
  align-items: center;
  border-bottom: 1px solid rgb(120 150 180 / 5%);
}

.table-row:last-child {
  border-bottom: 0;
}

.header-row {
  min-height: 34px;
  background: #142437;
  color: #adb9c6;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.2px;
}

.col-split,
.col-total {
  white-space: nowrap;
}

.header-row .col-status,
.table-row .col-status {
  text-align: right;
}

.row-current .col-lap,
.row-current .col-split {
  color: #39d0eb;
}

.row-current .col-lap {
  color: #cbd8e8;
}

.row-current .col-lap::first-letter {
  color: #38cce7;
}

.row-fastest {
  border-left: 2px solid #43d9ae;
  background: rgb(0 177 130 / 9%);
}

.row-fastest .col-lap,
.row-fastest .col-split {
  color: #43d9ae;
}

.row-slowest {
  border-left: 2px solid #f3a32a;
  background: rgb(223 145 24 / 10%);
}

.row-slowest .col-lap,
.row-slowest .col-split {
  color: #ffad39;
}

.badge {
  padding: 3px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.badge.current {
  background: #12394d;
  color: #3bcce7;
}

.badge.fastest {
  background: #124537;
  color: #40d5a7;
  box-shadow: 0 0 12px rgb(39 215 160 / 18%);
}

.badge.slowest {
  background: #4a3b25;
  color: #ffb443;
}

.col-total {
  color: #c0ccda;
}

.table-row:not(.header-row):not(.row-current):not(.row-fastest):not(.row-slowest) {
  color: #cbd8e8;
}

.table-row:last-child .col-status,
.table-row:nth-last-child(2) .col-status {
  font-size: 11px;
}

.table-row:last-child .col-status {
  color: #8b9aa9;
}

@media (max-width: 700px) {
  .app-container {
    padding: 24px 12px;
    align-items: flex-start;
  }

  .timer-section {
    padding: 24px 16px;
    gap: 10px;
  }

  .timer-gauge-ring {
    height: 190px;
  }

  .timer-display {
    top: 76px;
    font-size: clamp(48px, 12vw, 68px);
  }

  .gauge-label {
    top: 32px;
    font-size: 9px;
  }

  .gauge-label.seconds {
    left: 43%;
  }

  .gauge-label.millis {
    left: 68%;
  }

  .current-lap-pill {
    top: 159px;
  }

  .hud-btn {
    min-width: calc(50% - 8px);
    max-width: none;
  }

  .ledger-container {
    padding: 16px 12px;
  }

  .ledger-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .ledger-title-group {
    flex-wrap: wrap;
  }

  .session-tag {
    flex-basis: 100%;
    margin-left: 40px;
  }

  .ledger-actions {
    align-self: flex-end;
  }

  .table-row {
    padding: 0 8px;
    grid-template-columns: 13% 29% 32% 26%;
    font-size: 11px;
  }

  .header-row {
    font-size: 8px;
    letter-spacing: 0.3px;
  }

  .badge {
    padding: 3px 4px;
    font-size: 8px;
  }
}

@media (max-width: 400px) {
  .ledger-title-group h3 {
    font-size: 14px;
  }

  .session-tag {
    font-size: 9px;
  }

  .table-row {
    grid-template-columns: 12% 29% 32% 27%;
    padding: 0 6px;
    font-size: 10px;
  }

  .header-row {
    font-size: 7px;
  }

  .mini-btn {
    padding: 0 8px;
    font-size: 9px;
  }
}