@keyframes sheetUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: #E8E5DF;
  background-color:#F1F6F2;
  font-family: Manrope, sans-serif;
}

a { color: #B4451F; text-decoration: none; }
a:hover { color: #8F3416; }

.app {
  position: relative;
  max-width: 430px;
  min-height: 100dvh;
  margin: 0 auto;
  background: #F1F6F2;
  display: flex;
  flex-direction: column;
  color: #17352A;
}

.install-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0 auto;
  max-width: 430px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: #17352A;
  color: #fff;
  padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
  box-shadow: 0 -8px 24px rgba(0, 0, 0, .18);
  z-index: 4;
  animation: sheetUp .3s ease;
}

.install-banner[hidden] { display: none; }

.install-banner-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  flex-shrink: 0;
}

.install-banner-text { flex: 1; min-width: 0; }

.install-banner-title { font: 800 13px Manrope, sans-serif; }

.install-banner-desc {
  font: 600 12px Manrope, sans-serif;
  color: #B9D0C4;
  margin-top: 2px;
}

.install-banner-action {
  background: #2E8B62;
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 9px 16px;
  font: 800 13px Manrope, sans-serif;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
}

.install-banner-action[hidden] { display: none; }

.install-banner-close {
  background: transparent;
  border: none;
  color: #B9D0C4;
  font-size: 15px;
  cursor: pointer;
  padding: 6px;
  line-height: 1;
  flex-shrink: 0;
}

.app-header {
  padding: max(24px, env(safe-area-inset-top)) 24px 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.app-date { font-size: 14px; font-weight: 700; color: #6C8579; }

.app-goal {
  background: #DFEDE3;
  color: #2E8B62;
  font: 800 12px Manrope, sans-serif;
  padding: 6px 12px;
  border: none;
  border-radius: 999px;
  cursor: pointer;
}

.weight-card {
  margin: 28px 24px 0 24px;
  background: #FFFFFF;
  border-radius: 28px;
  padding: 32px 24px 28px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: 0 10px 30px rgba(23, 53, 42, .07);
}

.weight-card-label { font-size: 13px; font-weight: 700; color: #6C8579; }

.weight-value {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 4px;
}

.weight-value .num {
  font-size: 88px;
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.weight-value .unit { font-size: 24px; font-weight: 800; color: #9BB3A5; }

.weight-subline {
  font-size: 13px;
  font-weight: 600;
  color: #6C8579;
  margin-top: 10px;
  text-align: center;
}

.btn-primary {
  margin-top: 22px;
  width: 100%;
  padding: 17px 0;
  background: #2E8B62;
  color: #fff;
  border: none;
  border-radius: 999px;
  font: 800 16px Manrope, sans-serif;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(46, 139, 98, .35);
}

.last-entry {
  margin-top: 12px;
  font-size: 12px;
  font-weight: 600;
  color: #9BB3A5;
  text-align: center;
}

.last-entry:empty { display: none; }

.chart-card {
  margin: auto 24px 30px 24px;
  background: #FFFFFF;
  border-radius: 28px;
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(23, 53, 42, .07);
}

.chart-title { font-size: 14px; font-weight: 800; }

.chart-wrap { position: relative; }

.chart-wrap svg {
  display: block;
  width: 100%;
  height: auto;
  cursor: pointer;
  touch-action: pan-y;
}

#hoverLine, #hoverPoint { transition: opacity .1s ease; }

.chart-tooltip {
  position: absolute;
  left: 0;
  top: 0;
  transform: translate(-50%, -125%);
  background: #17352A;
  color: #fff;
  font: 700 12px Manrope, sans-serif;
  padding: 6px 10px;
  border-radius: 10px;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 0 6px 16px rgba(23, 53, 42, .25);
}

.chart-tooltip[hidden] { display: none; }

.data-actions {
  margin: 0 24px 28px 24px;
  display: flex;
  gap: 10px;
}

.btn-secondary {
  flex: 1;
  padding: 13px 0;
  background: #EAF2EC;
  color: #2E8B62;
  border: none;
  border-radius: 999px;
  font: 800 13px Manrope, sans-serif;
  cursor: pointer;
}

.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 40, 30, .4);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  z-index: 5;
  animation: fadeIn .2s ease;
}

.popup-overlay[hidden] { display: none; }

.popup-sheet {
  background: #fff;
  border-radius: 32px 32px 0 0;
  padding: 26px 24px max(32px, env(safe-area-inset-bottom)) 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: sheetUp .28s ease;
}

.popup-sheet-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.popup-sheet-title { font-size: 22px; font-weight: 800; }

.popup-close {
  border: none;
  background: #EAF2EC;
  color: #6C8579;
  border-radius: 999px;
  width: 34px;
  height: 34px;
  font-size: 15px;
  cursor: pointer;
  line-height: 1;
}

.weight-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.weight-stepper button {
  width: 50px;
  height: 50px;
  border-radius: 999px;
  border: none;
  background: #EAF2EC;
  font: 800 15px Manrope, sans-serif;
  color: #17352A;
  cursor: pointer;
}

.weight-stepper button.small { font-weight: 700; font-size: 13px; }

.weight-draft {
  min-width: 120px;
  text-align: center;
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.date-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 2px;
}

.date-field-label { font-size: 13px; font-weight: 800; color: #6C8579; }

.date-field-control {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.date-field input[type="date"] {
  border: 1.5px solid #D6E5DA;
  border-radius: 999px;
  padding: 9px 14px;
  font: 700 14px Manrope, sans-serif;
  color: #17352A;
  background: #fff;
}

.date-field-preview {
  font-size: 12px;
  font-weight: 700;
  color: #9BB3A5;
  padding-right: 4px;
}

.chip-group { display: flex; flex-direction: column; gap: 9px; }

.chip-group-title { font-size: 12px; font-weight: 800; color: #6C8579; }

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

.chip {
  padding: 10px 16px;
  border-radius: 999px;
  font: 700 13px Manrope, sans-serif;
  cursor: pointer;
  border: 1.5px solid #D6E5DA;
  background: #fff;
  color: #456354;
}

.chip.selected {
  font-weight: 800;
  border-color: #2E8B62;
  background: #2E8B62;
  color: #fff;
}