@font-face {
  font-family: 'Roboto';
  src: url('../fonts/Roboto-Regular.woff2') format('woff2'), url('../fonts/Roboto-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/Roboto-Bold.woff2') format('woff2'), url('../fonts/Roboto-Bold.woff') format('woff');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Roboto';
  src: url('../fonts/Roboto-Black.woff2') format('woff2'), url('../fonts/Roboto-Black.woff') format('woff');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Material Icons';
  font-style: normal;
  font-weight: 400;
  src: url('../fonts/materialicons.woff2') format('woff2');
}

:root {
  --warmup-color: #ff9800; /* Orange */
  --hiit-color: #f44336; /* Red */
  --recovery-color: #2196f3; /* Blue */
  --cooldown-color: #673ab7; /* Deep purple */

  /* Cardio zone colors */
  --easy-color: #4caf50; /* Green */
  --steady-color: #03a9f4; /* Light Blue */
  --tempo-color: #ff9800; /* Orange */
  --threshold-color: #f44336; /* Red */

  /* Light mode colors */
  --bg-color: #ffffff;
  --text-color: #464646;
  --text-secondary: #666666;
  --button-bg: #dddddd;
  --button-bg-hover: #f5f5f5;
  --button-hover: #cccccc;
  --button-active: #bbbbbb;
  --border-color: #dddddd;
  --settings-heading: #666666;
  --icon-hover: #f0f0f0;

  --container-max-width: 540px;
}

body.loading > * {
  visibility: hidden;
}

.no-transitions * {
  transition: none !important;
}

[data-theme='dark'] {
  --bg-color: #121212;
  --text-color: #ffffff;
  --text-secondary: #aaaaaa;
  --button-bg: #333333;
  --button-bg-hover: #181818;
  --button-hover: #444444;
  --button-active: #555555;
  --border-color: #333333;
  --settings-heading: #999999;
  --icon-hover: #333333;
}

.material-icons {
  font-family: 'Material Icons';
  font-weight: normal;
  font-style: normal;
  font-size: 24px;
  line-height: 1;
  letter-spacing: normal;
  text-transform: none;
  display: inline-block;
  white-space: nowrap;
  word-wrap: normal;
  direction: ltr;
  font-feature-settings: 'liga';
  -webkit-font-feature-settings: 'liga';
  -webkit-font-smoothing: antialiased;
}

@keyframes blink {
  50% {
    opacity: 0.5;
  }
}

html,
body {
  overscroll-behavior: none;
}

body {
  -webkit-tap-highlight-color: transparent;
  font-family: 'Roboto', sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
  text-align: center;
  overscroll-behavior-y: none;
  touch-action: none;
  background-color: var(--bg-color);
  color: var(--text-color);
  visibility: visible;
}

h1 {
  font-size: 2.6em;
  margin-bottom: 20px;
}

body:not(.no-transitions) h1 {
  transition: color 0.3s ease;
}

.timer {
  width: 460px;
  font-size: 5em;
  line-height: 100%;
  margin: 12px 0 6px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
  font-weight: 900;
  color: var(--text-color);
  transition: color 0.3s ease;
}

.timer.paused {
  animation: blink 1s ease-in-out infinite;
}

.stage-warmup .timer,
.stage-warmup h1 {
  color: var(--warmup-color);
}

.stage-hiit .timer,
.stage-hiit h1 {
  color: var(--hiit-color);
}

.stage-recovery .timer,
.stage-recovery h1 {
  color: var(--recovery-color);
}

.stage-cooldown .timer,
.stage-cooldown h1 {
  color: var(--cooldown-color);
}

/* Cardio zone styles */
.stage-easy .timer,
.stage-easy h1,
.zone-easy {
  color: var(--easy-color);
}

.stage-steady .timer,
.stage-steady h1,
.zone-steady {
  color: var(--steady-color);
}

.stage-tempo .timer,
.stage-tempo h1,
.zone-tempo {
  color: var(--tempo-color);
}

.stage-threshold .timer,
.stage-threshold h1,
.zone-threshold {
  color: var(--threshold-color);
}

.instructions {
  font-size: 1.6em;
  margin: 10px;
}

.interval {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  align-content: center;
}

#heartRate {
  margin-top: 12px;
  width: 150px;
  display: flex;
  font-size: 1.2rem;
  align-content: space-around;
  align-items: center;
  gap: 2px;
}

#heartRate .material-icons {
  font-size: 20px;
}

#heartRate .value {
  width: 34px;
  display: flex;
  justify-content: flex-end;
}

#rowerData {
  display: flex;
  flex-direction: column;
  width: 150px;
  font-size: 1rem;
  align-items: flex-end;
  gap: 4px;
}

.stage-easy .cardio-progress {
  background-color: var(--easy-color);
}

.stage-steady .cardio-progress {
  background-color: var(--steady-color);
}

.stage-tempo .cardio-progress {
  background-color: var(--tempo-color);
}

.stage-threshold .cardio-progress {
  background-color: var(--threshold-color);
}

/* Zone selector buttons */
.zone-selector {
  display: flex;
  gap: 5px;
  margin-top: 5px;
}

.zone-btn {
  padding-top: 3px;
  border: none;
  border-radius: 4px;
  background-color: var(--button-bg);
  cursor: pointer;
  font-weight: bold;
}

.zone-btn.zone-easy {
  border-bottom: 3px solid var(--easy-color);
}

.zone-btn.zone-steady {
  border-bottom: 3px solid var(--steady-color);
}

.zone-btn.zone-tempo {
  border-bottom: 3px solid var(--tempo-color);
}

.zone-btn.zone-threshold {
  border-bottom: 3px solid var(--threshold-color);
}

.zone-btn.active {
  background-color: var(--button-active);
}

/* Target metrics display */
.target-metrics {
  font-size: 0.7em;
  border-radius: 4px;
  padding: 4px 8px;
}

/* Workout type buttons */
.workout-type-btn {
  min-width: 100px;
  font-size: 1.4rem;
  font-weight: bold;
}

#rowerData .row {
  display: flex;
  flex-direction: row;
  gap: 6px;
}

.target-met {
  color: var(--easy-color) !important;
}

.target-missed {
  color: var(--hiit-color) !important;
}

#rowerData .col {
  text-align: right;
  min-width: 100px;
}

#rowerData .col-separator {
  width: 2px;
  background-color: var(--text-secondary);
}

#rowerData .additional-stats {
  font-size: 0.6rem;
  color: var(--text-secondary);
}

.button {
  padding: 15px 25px;
  font-size: 1.6em;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  background-color: #2196f3;
  color: white;
}

.start {
  background-color: #4caf50;
  color: white;
}

.start .duration {
  font-size: 0.75em;
  margin-left: 8px;
  color: rgb(230, 230, 230);
}

.reset {
  background-color: #f44336;
  color: white;
}

.controls {
  display: flex;
  flex-direction: column;
  margin-bottom: 10px;
  width: 100%;
  max-width: var(--container-max-width);
  padding: 0 20px;
  box-sizing: border-box;
}

.control-group {
  margin: 6px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
}

.control-group button {
  width: 50px;
  height: 50px;
  font-size: 2em;
  border: none;
  border-radius: 5px;
  background-color: var(--button-bg);
  color: var(--text-color);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;

  span {
    width: 50px;
  }
}

body:not(.no-transitions) .control-group button {
  transition: background-color 0.2s;
}

.control-group input[type='checkbox'] {
  width: 32px;
  height: 32px;
  cursor: pointer;
}

.control-group label {
  font-size: 1.4em;
  display: flex;
  align-items: baseline;
  gap: 8px;
  text-align: left;
  position: relative;
}

.control-group label.disabled {
  opacity: 0.5;
  text-decoration: line-through;
}

.duration-label,
.zone-label {
  font-size: 0.6em;
  color: var(--text-secondary);
}

.control-group .inputs {
  display: flex;
  gap: 10px;
  align-items: center;
}

.blink {
  animation: blink 1s ease-in-out infinite;
}

#interval-count {
  font-size: 2em;
  min-width: 1em;
  text-align: center;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.1em;
}

.workout-info {
  display: flex;
  gap: 20px;
  font-size: 1.3em;
  color: var(--text-secondary);
  justify-content: center;
}

.workout-infos {
  margin-bottom: 12px;
}

.workout-infos .workout-info {
  display: flex;
  margin-bottom: 8px;
}

.workout-info span {
  white-space: nowrap;
}

.workout-info-item.active span {
  font-weight: bold;
}

.workout-info-item.warmup.disabled span,
.workout-info-item.cooldown.disabled span {
  text-decoration: line-through;
  opacity: 0.5;
}

.button-group {
  display: flex;
  gap: 10px;
  margin: 20px auto 0;
  justify-content: center;
}

.pause {
  background-color: #2196f3;
  color: white;
}

.pause.paused {
  background-color: #ffc107;
}

.header {
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  width: 100%;
  max-width: var(--container-max-width);
  margin-bottom: 8px;
  padding: 0 20px;
  box-sizing: border-box;
}

.header h1 {
  margin: 0;
  flex-grow: 1;
  text-align: center;
}

.icon-button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--text-secondary);
  border-radius: 50%;
  height: 40px;
}

.settings-view {
  width: 100%;
  max-width: var(--container-max-width);
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  box-sizing: border-box;
}

.settings-group {
  text-align: left;
  width: 100%;
}

.settings-group h3 {
  margin: 0 0 6px;
  font-size: 1.1em;
  color: var(--settings-heading);
}

.preset-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  width: 100%;
}

.preset {
  padding: 6px 14px;
  border: 2px solid var(--border-color);
  border-radius: 20px;
  background: none;
  cursor: pointer;
  font-size: 0.95em;
  color: var(--text-color);
}

.preset.active {
  background-color: #2196f3;
  border-color: #2196f3;
  color: white;
}

.hidden {
  display: none;
}

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

.reset-settings {
  background-color: #666666;
  color: white;
}

/* Add media query for hover capable devices */
@media (hover: hover) {
  .button:hover {
    filter: brightness(0.95);
    background-color: #1976d2;
  }

  .start:hover {
    background-color: #45a049;
  }

  .reset:hover {
    background-color: #d32f2f;
  }

  .pause:hover {
    background-color: #1976d2;
  }

  .pause.paused:hover {
    background-color: #ffa000;
  }

  .control-group button:hover {
    background-color: var(--button-hover);
  }

  .icon-button:hover {
    background-color: var(--icon-hover);
    color: var(--text-color);
  }

  .preset:hover {
    background-color: var(--button-hover);
  }

  [data-theme='dark'] .icon-button:hover {
    background-color: var(--button-hover);
  }

  .reset-settings:hover {
    background-color: #555555;
  }

  .export-button:hover {
    background-color: var(--button-hover);
    filter: none;
  }
}

/* Add touch-specific active states */
@media (hover: none) {
  .button:active,
  .icon-button:active,
  .preset:active,
  .control-group button:active {
    opacity: 0.7;
  }

  .icon-button:active {
    background-color: var(--icon-hover);
  }

  .preset:active {
    background-color: var(--button-active);
  }

  .control-group button:active {
    background-color: var(--button-active);
  }
}

.stats-view {
  width: 100%;
  max-width: var(--container-max-width);
  padding: 0 20px;
  box-sizing: border-box;
}

.stats-view h2 {
  margin: 0 0 20px;
  font-size: 1.8em;
}

.stats {
  padding: 8px 8px;
  max-height: calc(100vh - 120px); /* Account for header */
  overflow-y: auto;
  /* For smoother scrolling on iOS */
  -webkit-overflow-scrolling: touch;
  /* Custom scrollbar styles */
  scrollbar-width: thin;
  scrollbar-color: var(--button-bg) transparent;
}

/* Webkit scrollbar styles */
.stats::-webkit-scrollbar {
  width: 8px;
}

.stats::-webkit-scrollbar-track {
  background: transparent;
}

.stats::-webkit-scrollbar-thumb {
  background-color: var(--button-bg);
  border-radius: 4px;
}

.stats::-webkit-scrollbar-thumb:hover {
  background-color: var(--button-hover);
}

.stats-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  padding: 16px 8px;
  border-bottom: 1px solid var(--border-color);
}

.summary-item {
  text-align: center;
}

.summary-value {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 4px;
}

.summary-label {
  font-size: 0.9em;
  color: var(--text-secondary);
}

/* Update monthly-stats top padding since we now have the summary above */
.monthly-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 16px 8px 16px;
}

.month-container {
  text-align: left;
  min-width: 0;
}

.month-title {
  font-size: 1em;
  margin: 0 0 4px;
  color: var(--text-secondary);
}

.month-title.current {
  color: var(--text-color);
  font-weight: bold;
}

.contribution-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.day-cell {
  width: auto;
  height: 0;
  padding-bottom: 100%;
  position: relative;
  border-radius: 2px;
  /* background-color: var(--button-bg-hover); */
}

.day-cell.has-data {
  cursor: pointer;
}

.day-cell.empty {
  background-color: var(--button-bg);
}

.day-cell[data-count='1'] {
  background-color: #9be9a8;
}
.day-cell[data-count='2'],
.day-cell[data-count='3'],
.day-cell[data-count='4'] {
  background-color: #40c463;
}

[data-theme='dark'] .day-cell[data-count='1'] {
  background-color: #26a641;
}
[data-theme='dark'] .day-cell[data-count='2'],
[data-theme='dark'] .day-cell[data-count='3'],
[data-theme='dark'] .day-cell[data-count='4'] {
  background-color: #39d353;
}

.day-cell.has-data:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--text-color);
  color: var(--bg-color);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  z-index: 1;
}

.stats-buttons {
  padding: 16px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  border-top: 1px solid var(--border-color);
}

.export-button {
  font-size: 1em;
  padding: 8px 16px;
  background-color: var(--button-bg);
  color: var(--text-color);
  gap: 8px;
  min-width: 140px;
}

#import-file {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.stats-buttons {
  padding: 16px 8px;
  display: flex;
  gap: 8px;
  justify-content: center;
  border-top: 1px solid var(--border-color);
}

.export-button {
  font-size: 1em;
  padding: 8px 16px;
  background-color: var(--button-bg);
  color: var(--text-color);
  gap: 8px;
}

.export-button .material-icons {
  font-size: 20px;
}

#storage-info {
  font-size: 0.9em;
  color: var(--text-secondary);
  padding: 4px 8px;
  border-radius: 4px;
  background-color: var(--button-bg);
  display: inline-block;
  margin-top: 8px;
}

#storage-info.warning {
  color: #ff9800;
  background-color: rgba(255, 152, 0, 0.1);
}

.heart-rate-display {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.heart-rate-display .max-bpm,
.heart-rate-display .min-bpm {
  font-size: 0.8rem;
  width: 100%;
  display: flex;
  align-items: center;
}

.heart-rate-display .max-bpm .material-icons,
.heart-rate-display .min-bpm .material-icons {
  font-size: 1rem;
  margin-right: 2px;
}

.heart-rate-display .current-bpm-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  font-size: 1.8rem;
  font-weight: bold;
}

.heart-rate-display .current-bpm-row .material-icons {
  font-size: 1.5rem;
  margin-right: 4px;
}

.heart-rate-display .current-bpm-row .value {
  margin: 0 5px;
}

.heart-rate-display .current-bpm-row .avg {
  font-size: 1.2rem;
}