@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Noto+Sans+SC:wght@400;500;600;700;800&display=swap');

:root {
  color-scheme: light;
  --ink: #18372d;
  --ink-soft: #658075;
  --ink-faint: #94a99f;
  --mint: #e8f1eb;
  --mint-deep: #cfe2d7;
  --cream: #f5f8f6;
  --paper: #ffffff;
  --line: #dce8df;
  --accent: #ed8a55;
  --shadow: 0 24px 60px rgba(29, 71, 53, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--cream);
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

.app-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
}

.timer-page {
  width: min(100%, 440px);
  min-height: min(760px, calc(100vh - 48px));
  display: flex;
  flex-direction: column;
  padding: clamp(24px, 5vw, 42px) clamp(20px, 5vw, 36px) 26px;
  background: var(--paper);
  border: 1px solid rgba(207, 226, 215, 0.92);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 14px;
  background: var(--ink);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.brand-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--ink-faint);
  font-family: 'DM Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: 0;
}

.icon-button,
.close-button {
  display: grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: var(--ink-soft);
}

.icon-button {
  width: 40px;
  height: 40px;
  margin-left: auto;
  border-radius: 50%;
  font-size: 24px;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.icon-button:hover,
.icon-button:focus-visible {
  background: var(--mint);
  color: var(--ink);
  outline: none;
}

.icon-button:active {
  transform: rotate(-24deg);
}

.hero-panel {
  position: relative;
  margin-top: clamp(48px, 12vh, 88px);
  padding: 26px 0 30px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 13px;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(237, 138, 85, 0.14);
}

.countdown {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 5px;
  margin-top: 18px;
  font-family: 'DM Mono', 'Noto Sans SC', monospace;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.countdown-value {
  min-width: 1.25em;
  color: var(--ink);
  font-size: clamp(32px, 10vw, 50px);
  font-weight: 500;
  letter-spacing: 0;
}

.countdown-unit {
  margin-right: 4px;
  color: var(--ink-soft);
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 13px;
}

.target-caption {
  margin: 20px 0 0;
  color: var(--ink-faint);
  font-size: 12px;
}

.info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 22px;
}

.info-item {
  min-width: 0;
  padding: 15px 16px;
  border-radius: 14px;
  background: var(--mint);
}

.info-label {
  display: block;
  margin-bottom: 7px;
  color: var(--ink-soft);
  font-size: 11px;
}

.info-item strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-family: 'DM Mono', 'Noto Sans SC', monospace;
  font-size: 14px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.customize-button {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 54px;
  gap: 10px;
  margin-top: 14px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.customize-button:hover,
.customize-button:focus-visible {
  border-color: var(--mint-deep);
  background: #fbfdfb;
  outline: none;
}

.customize-button:active {
  transform: translateY(1px);
}

.button-icon {
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 8px;
  background: var(--mint);
  color: var(--ink);
  font-size: 19px;
  font-weight: 400;
  line-height: 1;
}

.button-arrow {
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 18px;
}

.footer-note {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-top: auto;
  padding-top: 30px;
  color: var(--ink-faint);
  font-family: 'DM Mono', 'Noto Sans SC', monospace;
  font-size: 10px;
  letter-spacing: 0.02em;
}

.footer-line {
  width: 18px;
  height: 1px;
  background: var(--mint-deep);
}

.custom-dialog {
  width: 100%;
  max-width: 440px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
}

.custom-dialog::backdrop {
  background: rgba(20, 44, 34, 0.28);
  backdrop-filter: blur(4px);
}

.dialog-card {
  padding: 10px 22px 24px;
  border: 1px solid var(--line);
  border-radius: 24px 24px 0 0;
  background: var(--paper);
  box-shadow: 0 -18px 50px rgba(29, 71, 53, 0.15);
}

.dialog-handle {
  width: 38px;
  height: 4px;
  margin: 0 auto 22px;
  border-radius: 999px;
  background: var(--mint-deep);
}

.dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}

h2 {
  margin: 5px 0 0;
  font-size: 22px;
  line-height: 1.2;
}

.close-button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 26px;
  line-height: 1;
}

.close-button:hover,
.close-button:focus-visible {
  background: var(--mint);
  outline: none;
}

.dialog-description {
  margin: 14px 0 22px;
  color: var(--ink-soft);
  font-size: 13px;
}

.form-fields {
  display: grid;
  grid-template-columns: 68px 1fr;
  align-items: center;
  gap: 12px;
}

.field-label {
  color: var(--ink-soft);
  font-size: 13px;
}

.field-input {
  width: 100%;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--cream);
  color: var(--ink);
  outline: none;
}

.field-input:focus {
  border-color: var(--ink-soft);
  box-shadow: 0 0 0 3px rgba(101, 128, 117, 0.12);
}

.save-button {
  width: 100%;
  min-height: 50px;
  margin-top: 24px;
  border: 0;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: background 160ms ease, transform 160ms ease;
}

.save-button:hover,
.save-button:focus-visible {
  background: #285343;
  outline: none;
}

.save-button:active {
  transform: translateY(1px);
}

.share-button {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 54px;
  gap: 10px;
  margin-top: 10px;
  padding: 0 16px;
  border: 0;
  border-radius: 14px;
  background: var(--mint);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  text-align: left;
  transition: background 160ms ease, transform 160ms ease;
}

.share-button:hover,
.share-button:focus-visible {
  background: var(--mint-deep);
  outline: none;
}

.share-button:active {
  transform: translateY(1px);
}

.share-button-icon {
  display: grid;
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 8px;
  background: var(--paper);
  color: var(--ink);
}

.share-button .button-arrow {
  color: var(--ink-soft);
}

/* 分享提示：微信内引导点右上角「···」 */
.share-tip {
  position: fixed;
  left: 50%;
  bottom: 30px;
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 40px);
  padding: 13px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 0 18px 44px rgba(29, 71, 53, 0.18);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity 220ms ease, transform 220ms ease;
}

.share-tip.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.share-tip-icon {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 10px;
  background: rgba(237, 138, 85, 0.14);
  color: var(--accent);
}

.share-tip-copy {
  display: grid;
  gap: 3px;
  text-align: left;
}

.share-tip-copy strong {
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.share-tip-copy em {
  color: var(--ink-soft);
  font-size: 12px;
  font-style: normal;
}

/* 普通浏览器里的轻提示 */
.share-toast {
  position: fixed;
  left: 50%;
  bottom: 44px;
  z-index: 40;
  max-width: calc(100vw - 48px);
  padding: 11px 18px;
  border-radius: 999px;
  background: rgba(24, 55, 45, 0.92);
  color: #fff;
  font-size: 13px;
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.share-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 480px) {
  .app-shell {
    padding: 0;
  }

  .timer-page {
    min-height: 100vh;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .custom-dialog {
    bottom: 0;
    margin: 0;
  }
}

@media (min-width: 481px) {
  .custom-dialog {
    margin: auto;
  }

  .dialog-card {
    border-radius: 24px;
  }
}

@media (max-height: 680px) and (max-width: 480px) {
  .hero-panel {
    margin-top: 32px;
  }

  .footer-note {
    padding-top: 22px;
  }
}