/* 短信查看页。零依赖、单文件，深色为主，手机上单列。 */

:root {
  color-scheme: dark;
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --line: #272c37;
  --fg: #e7e9ee;
  --dim: #9aa3b2;
  --accent: #4f9cf9;
  --ok: #47c27b;
  --warn: #f2b544;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-text-size-adjust: 100%;
}

h1 { font-size: 1.25rem; margin: 0; }
.dim { color: var(--dim); font-size: .88rem; }
[hidden] { display: none !important; }

/* ------------------------------- 按钮 ------------------------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 16px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--panel-2); color: var(--fg);
  font: inherit; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: #3a4152; }
.btn:disabled { opacity: .55; cursor: default; }
.btn-sm { padding: 6px 12px; font-size: .85rem; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #06111f; font-weight: 600; }
.btn-ghost { background: transparent; }

/* ------------------------------ 登录闸门 ------------------------------ */

.gate {
  min-height: 100dvh;
  display: grid; place-items: center; padding: 24px;
}
.gate-card {
  width: min(380px, 100%);
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 16px; padding: 28px 24px; text-align: center;
}
.gate-card h1 { margin-bottom: 6px; }
.gate-card > .btn { width: 100%; margin-top: 10px; }
.gate-busy { color: var(--dim); margin-top: 14px; }
.gate-err { margin: 14px 0 0; color: #ff7a7a; font-size: .88rem; min-height: 1.2em; }
.gate-err.ok { color: var(--ok); }

.code-row { display: flex; gap: 8px; margin: 16px 0 0; }
.code-row input { flex: 1; letter-spacing: .18em; text-align: center; font-variant-numeric: tabular-nums; }
.code-row .btn { width: auto; margin: 0; white-space: nowrap; }

input, select {
  background: var(--panel-2); color: var(--fg);
  border: 1px solid var(--line); border-radius: 10px;
  padding: 9px 12px; font: inherit; min-width: 0;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* ------------------------------- 主界面 ------------------------------- */

main { max-width: 820px; margin: 0 auto; padding: 0 16px 48px; }

.top {
  position: sticky; top: 0; z-index: 5;
  background: linear-gradient(var(--bg) 82%, transparent);
  padding: 16px 0 12px;
}
.top-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.who { display: flex; align-items: center; gap: 10px; color: var(--dim); font-size: .82rem; }
.who span { max-width: 42vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.stats { display: flex; gap: 16px; flex-wrap: wrap; color: var(--dim); font-size: .82rem; margin-top: 8px; }
.stats b { color: var(--fg); font-variant-numeric: tabular-nums; }

.filters {
  display: grid; gap: 8px; margin-top: 12px;
  grid-template-columns: 1fr auto;
}
.filters #q { grid-column: 1 / -1; }
.filters #sender { grid-column: 1 / -1; }
.filters #from, .filters #to { grid-column: auto; }
@media (min-width: 640px) {
  .filters { grid-template-columns: 2fr 1.2fr auto auto auto; }
  .filters #q, .filters #sender { grid-column: auto; }
}

/* ------------------------------- 列表 ------------------------------- */

.list { display: flex; flex-direction: column; gap: 10px; }

.msg {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px;
}
.msg-head {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 10px; margin-bottom: 6px;
}
.msg-sender { font-weight: 600; word-break: break-all; }
.msg-time { color: var(--dim); font-size: .78rem; white-space: nowrap; font-variant-numeric: tabular-nums; }
.msg-body { white-space: pre-wrap; word-break: break-word; }
.msg-body mark { background: rgba(79,156,249,.28); color: inherit; border-radius: 3px; padding: 0 2px; }
.msg-foot { margin-top: 8px; display: flex; gap: 10px; align-items: center; color: var(--dim); font-size: .75rem; }
.tag { border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }
.tag-backfill { color: var(--warn); border-color: rgba(242,181,68,.4); }
.copy { margin-left: auto; }
/* 短信里的验证码是最常被复制的东西，单独挑出来给个一键复制 */
.code-chip {
  font-variant-numeric: tabular-nums; font-weight: 700; letter-spacing: .08em;
  color: var(--ok); cursor: pointer; border: 1px dashed rgba(71,194,123,.5);
  border-radius: 8px; padding: 1px 8px; background: none; font-size: .85rem;
}

.hint { color: var(--dim); text-align: center; font-size: .85rem; padding: 18px 0; }
.more { display: block; margin: 4px auto 0; }