/*
 * 本文件用于给亲戚称呼计算器提供页面样式：顶栏、结果、关系链、叫法、关系键、说明区的称呼表和典故。
 * 配色和字体用 /shared/base.css 里的变量。
 */

.topbar { border-bottom: 1px solid var(--color-border); background: var(--color-surface); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 52px; gap: 12px; }
.topbar h1 { margin: 0; font-size: 17px; }
.topbar a { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; margin-right: -10px; border-radius: 50%; color: var(--color-text-muted); }
.topbar a:hover { background: color-mix(in srgb, var(--color-text) 8%, transparent); }

/* 手机上一列；宽屏上左边是结果，右边是关系链、叫法和关系键 */
.layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; max-width: 880px; padding-block: 12px 40px; }
@media (min-width: 760px) {
  .layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 16px; padding-block: 32px 48px; }
}

.card { padding: 16px; border: 1px solid var(--color-border); border-radius: 18px; background: var(--color-surface); }
@media (min-width: 480px) {
  .card { padding: 20px; }
}

/* ---------- 叫法 ---------- */

/* 不用 fieldset 加 legend：iOS 上的 WebKit 不把 legend 当 flex 子项，「叫法」会单独占一行 */
.segment { display: flex; align-items: center; gap: 6px; min-width: 0; }
.segment-label { flex: none; margin-right: 6px; color: var(--color-text-muted); font-size: 14px; }
.segment label { display: flex; flex: 1; min-width: 0; }
.segment input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.segment label > span {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  padding: 0 6px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
  font-size: 15px;
  white-space: nowrap;
  cursor: pointer;
}
.segment input:checked + span { border-color: var(--color-accent); background: color-mix(in srgb, var(--color-accent) 14%, transparent); color: var(--color-accent); font-weight: 600; }
.segment input:focus-visible + span { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* ---------- 关系链 ---------- */

.chains { margin-bottom: 12px; }
/* 「关系链」标题和叫法挤在同一行，省出一行高度，手机上一屏能放下结果和整块关系键 */
.chains-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 6px; }
.chains-caption { flex: none; margin: 0; color: var(--color-text-muted); font-size: 13px; }
.chains-head .segment label > span { min-width: 60px; }
.chain { display: flex; align-items: center; gap: 4px; height: 52px; overflow-x: auto; scrollbar-width: none; margin: 0; padding: 8px 10px; border-radius: 12px; background: var(--color-bg); }
.chain-step { padding: 3px 10px; border: 1px solid var(--color-border); border-radius: 999px; background: var(--color-surface); font-size: 16px; line-height: 1.4; white-space: nowrap; }
.chain::-webkit-scrollbar { display: none; }
.chain-step { flex: none; }
.chain-step.is-self { border-style: dashed; color: var(--color-text-muted); }
.chain-separator { flex: none; color: var(--color-text-muted); font-size: 16px; }
.chain-empty { color: var(--color-text-muted); font-size: 15px; }
/* ---------- 结果 ---------- */

/*
 * 结果是页面上最要紧的东西：主色边框、主色大字。
 * 框的高度固定：几种可能时只显示选中的那一种，按键、按退格时下面的输入区不会上下跳。
 */
.result { display: flex; flex-direction: column; height: 238px; overflow: hidden; margin: 0; padding: 10px 16px 12px; border: 2px solid var(--color-accent); border-radius: 14px; background: color-mix(in srgb, var(--color-accent) 6%, var(--color-surface)); }
/* 宽屏上结果框跟右边的输入区一样高：输入区高度固定，结果框跟着它也不会跳 */
@media (min-width: 760px) {
  .result { height: auto; }
}
.result-hint { margin: auto 0; color: var(--color-text-muted); font-size: 15px; text-align: center; }
/* 顶部一行固定 44px 高：一种结果时是「称呼」两个字，几种可能时是一排选项，放不下就横向滑 */
.result-head { display: flex; flex: none; align-items: center; gap: 6px; height: 44px; margin: 0 -16px 2px; padding: 0 16px; overflow-x: auto; scrollbar-width: none; }
.result-head::-webkit-scrollbar { display: none; }
.result-caption { flex: none; margin: 0 4px 0 0; color: var(--color-accent); font-size: 14px; font-weight: 700; letter-spacing: 0.1em; white-space: nowrap; }
.result-pick { flex: none; min-width: var(--tap-min); height: 36px; padding: 0 12px; border: 1px solid color-mix(in srgb, var(--color-accent) 40%, var(--color-border)); border-radius: 999px; background: var(--color-surface); color: var(--color-text); font-size: 15px; white-space: nowrap; cursor: pointer; }
/* 选项本身 36px 高，上下各补 4px 的点击范围，凑够 44px */
.result-pick { position: relative; }
.result-pick::after { position: absolute; inset: -4px 0; content: ""; }
.result-pick[aria-pressed="true"] { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-accent-contrast); font-weight: 600; }
.result-detail { display: flex; flex: 1; flex-direction: column; min-height: 0; }
.term { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.term-spoken { color: var(--color-accent); font-size: clamp(36px, 10vw, 48px); font-weight: 800; line-height: 1.15; letter-spacing: 0.02em; }
.term-note { padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--color-accent) 14%, transparent); color: var(--color-accent); font-size: 14px; font-weight: 600; }
.term-formal { width: 100%; color: var(--color-text-muted); font-size: 14px; }
.term-chain { display: -webkit-box; width: 100%; overflow: hidden; font-size: 15px; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.term.is-none .term-spoken { color: var(--color-text); font-size: 24px; }
.term-reverse { display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; margin: auto 0 0; padding-top: 6px; border-top: 1px dashed color-mix(in srgb, var(--color-text) 15%, transparent); font-size: 14px; }
.term-reverse-label { width: 100%; color: var(--color-text-muted); }
.term-reverse-text { margin-right: 12px; font-size: 19px; font-weight: 700; white-space: nowrap; }
.term-reverse-sex { margin-left: 4px; color: var(--color-text-muted); font-size: 13px; font-weight: 400; }

/* ---------- 关系键 ---------- */

.keys { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.key {
  min-height: 48px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  font-size: 20px;
  cursor: pointer;
  touch-action: manipulation;
}
.key:hover:not(:disabled) { border-color: var(--color-accent); }
.key:active:not(:disabled) { background: color-mix(in srgb, var(--color-accent) 14%, var(--color-bg)); }
.key:disabled { opacity: 0.35; cursor: not-allowed; }
.key-action { color: var(--color-text-muted); font-size: 16px; }

/* ---------- 称呼里的典故 ---------- */

.stories { padding-top: 0; border-top: 0; }
.stories cite { font-style: normal; }

/* ---------- 说明区的称呼表 ---------- */

.table-wrap { overflow-x: auto; margin: 0 0 12px; }
.terms-table { width: 100%; max-width: 42em; border-collapse: collapse; font-size: 14px; }
.terms-table th, .terms-table td { padding: 8px 10px; border-bottom: 1px solid var(--color-border); text-align: left; white-space: nowrap; }
.terms-table th { color: var(--color-text); font-weight: 600; }
.terms-table td:first-child { white-space: normal; }