:root {
  --bg-0: #05080f;
  --bg-1: #0b1220;
  --bg-2: #101a2c;
  --stroke: rgba(110, 190, 240, 0.16);
  --stroke-strong: rgba(60, 226, 214, 0.42);
  --text: #e9f2fa;
  --muted: #9db3c9;
  --accent: #3ce2d6;
  --accent-2: #6f8dff;
  --danger: #ff6b7d;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
}

.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(60, 226, 214, 0.16), transparent 60%),
    radial-gradient(760px 480px at 92% 4%, rgba(111, 141, 255, 0.18), transparent 62%),
    linear-gradient(180deg, #060b15 0%, #04070e 100%);
}

.backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(120, 200, 240, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 200, 240, 0.045) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(1100px 700px at 50% 0%, #000 30%, transparent 82%);
}

.view { max-width: 1040px; margin: 0 auto; padding: 28px 20px 64px; }
.view-center { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
[hidden] { display: none !important; }

/* 品牌 */
.brand { display: flex; align-items: center; gap: 14px; }
.brand h1 { margin: 0; font-size: 26px; letter-spacing: 0.5px; }
.brand-sub {
  margin: 4px 0 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1.6px;
  color: var(--muted);
}
.brand-mark {
  width: 34px; height: 34px; border-radius: 10px; flex: none;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 22px rgba(60, 226, 214, 0.5);
  position: relative;
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 9px;
  border: 2px solid rgba(5, 10, 18, 0.72);
  border-radius: 4px;
}
.brand-mark.small { width: 22px; height: 22px; border-radius: 7px; }
.brand-mark.small::after { inset: 6px; border-width: 1.5px; }

/* 登录卡 */
.login-card {
  width: min(400px, 100%);
  padding: 30px 28px 26px;
  border: 1px solid var(--stroke);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(16, 26, 44, 0.92), rgba(8, 14, 26, 0.92));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.login-card .brand { margin-bottom: 26px; }

/* 顶栏 */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 4px 2px 15px; margin-bottom: 18px;
  border-bottom: 1px solid var(--stroke);
}
.brand.compact { text-decoration: none; color: inherit; }
.brand-title { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }

/* 面板 */
.panel {
  border: 1px solid var(--stroke);
  border-radius: 16px;
  background: rgba(11, 18, 32, 0.74);
  padding: 22px 22px 24px;
  margin-bottom: 22px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.panel-title { margin: 0; font-size: 15px; letter-spacing: 1.4px; color: var(--accent); text-transform: uppercase; font-family: var(--mono); font-weight: 600; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.counter { font-family: var(--mono); font-size: 12px; color: var(--muted); letter-spacing: 0.6px; }
.back-link { font-size: 13px; color: var(--muted); text-decoration: none; }
.back-link:hover { color: var(--accent); }

/* 表单 */
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.span-2 { grid-column: 1 / -1; }
.field { display: block; }
.field-label { display: block; margin-bottom: 7px; font-size: 13px; color: var(--muted); }
.field-label i { color: var(--accent); font-style: normal; }

input, select, textarea {
  width: 100%;
  padding: 11px 13px;
  font: inherit;
  font-size: 14px;
  color: var(--text);
  background: rgba(6, 11, 20, 0.86);
  border: 1px solid var(--stroke);
  border-radius: 10px;
  transition: border-color 0.16s, box-shadow 0.16s;
}
textarea { resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible {
  outline: none;
  border-color: var(--stroke-strong);
  box-shadow: 0 0 0 3px rgba(60, 226, 214, 0.18);
}
input::placeholder { color: #6f8398; }
input[type="date"] { font-family: var(--mono); }
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 18px) 55%, calc(100% - 13px) 55%; background-size: 5px 5px; background-repeat: no-repeat; }
input:invalid, select:invalid { }

.actions { display: flex; gap: 12px; margin-top: 20px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font: inherit; font-size: 14px; font-weight: 600;
  padding: 11px 22px; border-radius: 10px; cursor: pointer;
  border: 1px solid transparent; color: #04121a; text-decoration: none;
  background: linear-gradient(135deg, var(--accent), #58f0d8);
  transition: transform 0.12s, box-shadow 0.16s, filter 0.16s;
}
.btn:hover { box-shadow: 0 6px 22px rgba(60, 226, 214, 0.34); filter: brightness(1.05); }
.btn:active { transform: translateY(1px); }
.btn.block { width: 100%; }
.btn.small { padding: 7px 14px; font-size: 13px; }
.btn.ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--stroke);
}
.btn.ghost:hover { box-shadow: none; border-color: var(--stroke-strong); }
.btn[disabled] { opacity: 0.55; cursor: progress; }

/* 记录列表 */
.records { display: flex; flex-direction: column; gap: 10px; }
.rec {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr) auto;
  gap: 16px; align-items: center;
  padding: 14px 16px;
  border: 1px solid var(--stroke);
  border-radius: 12px;
  background: rgba(16, 26, 44, 0.62);
  transition: border-color 0.16s, background 0.16s;
}
.rec:hover { border-color: rgba(60, 226, 214, 0.34); background: rgba(19, 31, 52, 0.72); }
.rec-date { font-family: var(--mono); text-align: center; line-height: 1.25; }
.rec-date .d { display: block; font-size: 17px; font-weight: 700; color: var(--accent); }
.rec-date .y { display: block; font-size: 11px; color: var(--muted); letter-spacing: 0.5px; }
.rec-title { font-size: 15px; font-weight: 600; }
.rec-title .pos { margin-left: 8px; font-size: 12px; font-weight: 500; color: var(--muted); }
.rec-reason { margin-top: 4px; font-size: 13.5px; color: #c6d6e5; line-height: 1.5; }
.rec-side { display: flex; align-items: center; gap: 12px; }
.rec-host { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.del {
  font: inherit; font-size: 12.5px; padding: 6px 12px; cursor: pointer;
  color: var(--danger); background: rgba(255, 107, 125, 0.1);
  border: 1px solid rgba(255, 107, 125, 0.34); border-radius: 8px;
}
.del:hover { background: rgba(255, 107, 125, 0.18); }

.state { padding: 26px 4px; text-align: center; color: var(--muted); font-size: 14px; }
#notice { margin: 0 0 18px; }
.alert { margin: 14px 0 0; padding: 10px 14px; border-radius: 10px; font-size: 13.5px; color: #ffd2d8; background: rgba(255, 107, 125, 0.14); border: 1px solid rgba(255, 107, 125, 0.36); }
.alert.ok { color: #b8fff2; background: rgba(60, 226, 214, 0.12); border-color: rgba(60, 226, 214, 0.4); }

@media (max-width: 640px) {
  .view { padding: 18px 14px 48px; }
  .grid { grid-template-columns: 1fr; }
  .topbar { gap: 10px; }
  .brand-title { font-size: 15px; }
  .rec { grid-template-columns: 56px minmax(0, 1fr); }
  .rec-side { grid-column: 1 / -1; justify-content: flex-end; }
  .login-card { padding: 26px 20px 22px; }
  /* 触屏命中区：手机上是主要使用场景 */
  input, select, textarea { min-height: 44px; }
  .btn.small, .del { min-height: 40px; }
}