/* 农忙参谋 — 样式表
 * 移动端优先；无外部字体与图标依赖，首屏只请求本文件与 app.js。
 */

:root {
  --font-sans: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  --font-display: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", Georgia, serif;

  --bg: #f5f3ea;
  --surface: #fffefa;
  --surface-2: #f0ece0;
  --ink: #1b2b22;
  --ink-soft: #5b6b61;
  --line: #e3dece;
  --brand: #1f6f4a;
  --brand-deep: #14533a;
  --brand-ink: #f3fbf5;
  --accent: #b9762a;

  --level-ok: #2f9e63;
  --level-watch: #a8790c;
  --level-warn: #cf5c1b;
  --level-alert: #bb372a;

  --radius: 14px;
  --shadow: 0 1px 2px rgba(24, 39, 30, 0.05), 0 10px 26px -20px rgba(24, 39, 30, 0.45);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101713;
    --surface: #18211b;
    --surface-2: #1f2a23;
    --ink: #e9f1ea;
    --ink-soft: #9db0a4;
    --line: #2b382f;
    --brand: #57bb86;
    --brand-deep: #0c1f15;
    --brand-ink: #08120c;
    --accent: #d99a4e;

    --level-ok: #4fbf82;
    --level-watch: #d5a52c;
    --level-warn: #e58445;
    --level-alert: #e2665a;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 10px 26px -20px rgba(0, 0, 0, 0.8);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 作者样式里的 display 会盖过 hidden 属性的 UA 样式，
 * 因此显式声明，保证 element.hidden = true 一定生效（.sheet / .conditions 都依赖它）。 */
[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}

a {
  color: var(--brand);
}

/* ---------- 顶部 ---------- */

.hero {
  background: linear-gradient(135deg, var(--brand-deep) 0%, var(--brand) 100%);
  color: var(--brand-ink);
  padding: 20px 16px 22px;
}

.hero__inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__text {
  /* flex item 默认 min-width:auto，长副标题会把窄屏顶破 */
  min-width: 0;
}

.brand__mark {
  font-size: 30px;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.25));
}

.brand__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.brand__tagline {
  margin: 2px 0 0;
  font-size: 12.5px;
  opacity: 0.86;
}

.hero__actions {
  display: flex;
  gap: 8px;
}

/* ---------- 按钮与表单 ---------- */

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.12s ease, background-color 0.15s ease, opacity 0.15s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn--solid {
  background: var(--brand);
  color: var(--brand-ink);
}

.hero .btn--solid {
  background: var(--brand-ink);
  color: var(--brand-deep);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: inherit;
}

.sheet .btn--ghost,
.state .btn--ghost {
  border-color: var(--line);
  color: var(--ink);
}

.btn--block {
  display: block;
  width: 100%;
  margin-top: 10px;
}

.btn[disabled] {
  opacity: 0.55;
  cursor: progress;
}

.select,
.input {
  width: 100%;
  appearance: none;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 15px;
}

.select {
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 17px) 18px, calc(100% - 12px) 18px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 32px;
}

/* ---------- 布局 ---------- */

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 16px 16px 48px;
}

/* ---------- 位置与作物 ---------- */

.location {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: stretch;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.location__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 150px;
}

.location__item--grow {
  flex: 1 1 200px;
}

.location__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.location__value {
  font-size: 19px;
  font-family: var(--font-display);
}

.location__meta {
  font-size: 12.5px;
  color: var(--ink-soft);
}

/* ---------- 摘要 ---------- */

.summary {
  margin-top: 14px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--level-color, var(--brand));
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.summary--ok {
  --level-color: var(--level-ok);
}
.summary--watch {
  --level-color: var(--level-watch);
}
.summary--warn {
  --level-color: var(--level-warn);
}
.summary--alert {
  --level-color: var(--level-alert);
}

.summary__head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.summary__text {
  margin: 6px 0 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.5;
}

.summary__time {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--level-color, var(--line));
  color: var(--level-color, var(--ink-soft));
  border-radius: 999px;
  padding: 1px 9px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- 当前条件 ---------- */

.conditions {
  margin-top: 14px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(112px, 1fr);
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.condition {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
}

.condition__label {
  font-size: 12px;
  color: var(--ink-soft);
}

.condition__value {
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

/* ---------- 提示条 ---------- */

.notices {
  margin-top: 14px;
  background: var(--surface-2);
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: 10px 14px;
}

.notices ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ---------- 建议卡片 ---------- */

.cards {
  margin-top: 14px;
  display: grid;
  gap: 14px;
}

@media (min-width: 720px) {
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 5px solid var(--level-color, var(--brand));
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow);
}

.card--ok {
  --level-color: var(--level-ok);
}
.card--watch {
  --level-color: var(--level-watch);
}
.card--warn {
  --level-color: var(--level-warn);
}
.card--alert {
  --level-color: var(--level-alert);
}

.card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.card__category {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.card__headline {
  margin: 0;
  font-size: 17.5px;
  font-weight: 700;
  line-height: 1.45;
}

.card__reason {
  margin: 0;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.card__section-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
  margin: 0;
}

.card__actions {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-size: 14px;
}

.card__actions li {
  position: relative;
  padding-left: 16px;
}

.card__actions li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--level-color, var(--brand));
}

.card__metrics {
  margin: 2px 0 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(116px, 1fr));
  gap: 8px;
}

.card__metrics > div {
  background: var(--surface-2);
  border-radius: 10px;
  padding: 7px 10px;
}

.card__metrics dt {
  font-size: 11.5px;
  color: var(--ink-soft);
}

.card__metrics dd {
  margin: 1px 0 0;
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- 状态与错误 ---------- */

.state {
  margin-top: 18px;
  text-align: center;
  padding: 28px 16px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.state--error {
  border-style: solid;
  border-color: var(--level-warn);
}

.state__title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.state__desc {
  margin: 6px auto 0;
  max-width: 44ch;
  font-size: 13.5px;
  color: var(--ink-soft);
}

.state .btn {
  margin-top: 14px;
}

.state--error .btn {
  background: var(--brand);
  color: var(--brand-ink);
}

/* ---------- 底部 ---------- */

.footer {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footer__inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 16px 32px;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.disclaimer {
  margin: 0 0 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface-2);
  line-height: 1.7;
}

.disclaimer strong {
  color: var(--ink);
}

.privacy summary {
  cursor: pointer;
  color: var(--brand);
  font-weight: 600;
}

.privacy p {
  margin: 8px 0 0;
  line-height: 1.8;
}

.footer__meta {
  margin: 16px 0 0;
}

/* ---------- 城市选择抽屉 ---------- */

.sheet {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(12, 22, 17, 0.55);
}

.sheet__panel {
  position: relative;
  width: min(560px, 100%);
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: 18px 18px 0 0;
  padding: 16px 16px calc(20px + env(safe-area-inset-bottom, 0px));
  box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.28);
  animation: sheet-in 0.22s ease-out;
}

@keyframes sheet-in {
  from {
    transform: translateY(18px);
    opacity: 0.6;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (min-width: 720px) {
  .sheet {
    align-items: center;
  }

  .sheet__panel {
    border-radius: 18px;
    padding-bottom: 20px;
  }
}

.sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sheet__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 19px;
}

.sheet__close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

.sheet__search {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.sheet__hint {
  margin: 8px 2px 0;
  font-size: 12.5px;
  color: var(--ink-soft);
}

.results {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.results li button {
  width: 100%;
  text-align: left;
  appearance: none;
  background: var(--surface-2);
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--ink);
  cursor: pointer;
}

.results li button:hover,
.results li button:focus-visible {
  border-color: var(--brand);
}

.results__sub {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
}

/* ---------- 轻提示 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 60;
  max-width: 88vw;
  background: rgba(18, 30, 24, 0.92);
  color: #f2f8f3;
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 13.5px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}