/* 登录页样式 —— 与主控制台共用同一套配色变量 */

:root {
  --bg: #0a0d13;
  --card: #12171f;
  --bd: #1f2632;
  --bd-2: #2b3444;
  --tx: #e8eef7;
  --tx-2: #b6c2d4;
  --mut: #7d8a9e;
  --dim: #566375;
  --ok: #3ddc84;
  --err: #ff5f57;
  --blue: #4d9fff;
  --purple: #a78bfa;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}
[data-theme="light"] {
  --bg: #f4f6fa;
  --card: #ffffff;
  --bd: #e2e8f0;
  --bd-2: #cbd5e1;
  --tx: #0f172a;
  --tx-2: #334155;
  --mut: #64748b;
  --dim: #94a3b8;
  --ok: #0f9d58;
  --err: #d93025;
  --blue: #1a73e8;
  --purple: #7c3aed;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg);
  color: var(--tx);
  display: grid;
  place-items: center;
  padding: 22px;
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* 背景光晕 + 网格 */
body::before {
  content: '';
  position: fixed; inset: -20%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(52% 46% at 22% 12%, rgba(77, 159, 255, .20), transparent 62%),
    radial-gradient(46% 42% at 82% 82%, rgba(167, 139, 250, .18), transparent 62%),
    radial-gradient(40% 40% at 70% 8%, rgba(56, 217, 217, .10), transparent 60%);
  filter: blur(8px);
}
body::after {
  content: '';
  position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(var(--bd) 1px, transparent 1px),
    linear-gradient(90deg, var(--bd) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(60% 60% at 50% 45%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(60% 60% at 50% 45%, #000 0%, transparent 78%);
}

.wrap { position: relative; z-index: 1; width: 100%; max-width: 392px; }

.brand { display: flex; align-items: center; gap: 11px; margin-bottom: 20px; padding-left: 4px; }
.logo {
  width: 40px; height: 40px; border-radius: 12px; flex: none;
  display: grid; place-items: center; color: var(--blue);
  background: linear-gradient(135deg, rgba(77, 159, 255, .24), rgba(167, 139, 250, .24));
  border: 1px solid rgba(77, 159, 255, .34);
  box-shadow: 0 8px 24px -12px rgba(77, 159, 255, .7);
}
.logo img { display: block; width: 26px; height: 26px; object-fit: contain; }
.brand-text h1 { font-size: 16px; margin: 0; font-weight: 660; letter-spacing: .2px; }
.brand-text p { margin: 2px 0 0; font-size: 11.5px; color: var(--dim); font-family: var(--mono); }

.card {
  background: color-mix(in srgb, var(--card) 86%, transparent);
  backdrop-filter: blur(16px);
  border: 1px solid var(--bd);
  border-radius: 18px;
  padding: 26px 24px 22px;
  box-shadow: 0 24px 70px -30px rgba(0, 0, 0, .8), 0 1px 0 rgba(255, 255, 255, .03) inset;
}
.card h2 { margin: 0 0 4px; font-size: 15px; font-weight: 650; }
.card .tip { margin: 0 0 20px; font-size: 12.5px; color: var(--mut); }

label.fl {
  display: block; font-size: 11.5px; color: var(--mut);
  margin: 0 0 6px; font-weight: 600; letter-spacing: .3px;
}
.field { position: relative; margin-bottom: 14px; }
.inwrap { position: relative; display: block; }

input[type=text], input[type=password] {
  width: 100%; font: inherit; font-size: 14px;
  padding: 11px 13px; border-radius: 11px;
  background: var(--bg); border: 1px solid var(--bd-2);
  color: var(--tx); outline: none; transition: .16s;
}
input#p { padding-right: 44px; }
[data-theme="light"] input { background: #f8fafc; }
input::placeholder { color: var(--dim); }
input:focus {
  border-color: rgba(77, 159, 255, .62);
  box-shadow: 0 0 0 3px rgba(77, 159, 255, .13);
  background: var(--card);
}

.eye {
  position: absolute; right: 5px; top: 50%; transform: translateY(-50%);
  width: 32px; height: 32px; display: grid; place-items: center; padding: 0;
  background: transparent; border: none; border-radius: 8px;
  color: var(--dim); cursor: pointer; transition: .15s;
}
.eye:hover { color: var(--tx-2); background: rgba(127, 140, 160, .15); }
.eye.on { color: var(--blue); }
.eye svg { display: block; }

.row { display: flex; align-items: center; justify-content: space-between; margin: 2px 0 18px; }
.sw { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--mut); cursor: pointer; user-select: none; }
.sw input { accent-color: var(--blue); width: 14px; height: 14px; cursor: pointer; }

.btn {
  width: 100%; font: inherit; font-size: 14px; font-weight: 620;
  padding: 11px; border-radius: 11px; cursor: pointer;
  border: 1px solid rgba(77, 159, 255, .42); color: #fff;
  background: linear-gradient(135deg, #4d9fff, #6f7bff 55%, #a78bfa);
  box-shadow: 0 10px 26px -12px rgba(77, 159, 255, .85);
  transition: .16s; display: flex; align-items: center; justify-content: center; gap: 8px;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; }

.err {
  display: none; align-items: center; gap: 8px;
  margin: 0 0 14px; padding: 9px 12px; border-radius: 10px;
  background: rgba(255, 95, 87, .09); border: 1px solid rgba(255, 95, 87, .32);
  color: var(--err); font-size: 12.5px;
}
.err.show { display: flex; animation: shake .34s; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(3px); }
}

.foot {
  margin-top: 18px; text-align: center; font-size: 11px; color: var(--dim);
  font-family: var(--mono); display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}

.theme {
  position: fixed; right: 16px; top: 16px; z-index: 3;
  background: var(--card); border: 1px solid var(--bd-2); color: var(--mut);
  width: 34px; height: 34px; border-radius: 10px; cursor: pointer;
  display: grid; place-items: center;
}
.theme:hover { color: var(--tx); }