/* ==========================
   Modern Minimal UI v2
   (Drop-in replacement)
   ========================== */

:root{
  /* Core */
  --text:#0f172a;
  --muted:#64748b;
  --line:rgba(15,23,42,.12);
  --bg:#f8fafc;
  --panel:#ffffff;
  --focus:#2563eb;

  /* Buttons */
  --btn:#0f172a;
  --btnText:#ffffff;
  --btnHover:#0b1220;

  --btn2:#f1f5f9;
  --btn2Hover:#e2e8f0;

  /* Status */
  --ok:#0f766e;
  --err:#b91c1c;
  --warn:#b45309;

  /* Radii / shadow / spacing */
  --radius: 12px;
  --radius-sm: 10px;
  --radius-xs: 8px;

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow: 0 12px 34px rgba(15,23,42,.10);
  --shadow-inset: inset 0 1px 0 rgba(255,255,255,.8);

  --ring: 0 0 0 4px rgba(37,99,235,.12);

  --font: system-ui, -apple-system, "Segoe UI", Roboto, Arial, "PingFang SC", "Noto Sans SC", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* Layout */
  --container: 1180px;
  --gutter: 16px;
}

*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1000px 600px at 10% -10%, rgba(37,99,235,.08), transparent 60%),
    radial-gradient(900px 600px at 90% 0%, rgba(15,118,110,.07), transparent 55%),
    var(--bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a{ color: inherit; }
img{ max-width: 100%; display:block; }

/* ==========================
   Header
   ========================== */
header{
  max-width: var(--container);
  margin: 0 auto;
  padding: 18px var(--gutter);
  border-bottom: 1px solid var(--line);
  display:flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  /* 可选：如果你想顶部固定就打开下面两行 */
  /* position: sticky; top: 0; backdrop-filter: blur(10px); background: rgba(248,250,252,.7); */
}

.brand{
  display:flex;
  align-items:baseline;
  gap:10px;
}
.brand .name{
  font-weight: 800;
  letter-spacing: .2px;
  font-size: 16px;
}
.brand .tag{
  font-size: 12px;
  color: var(--muted);
}


.toplinks{
  display:flex;
  align-items:center;
  justify-content: end;
  gap: 12px;
  flex: 1;
  font-size: 13px;
  color: var(--muted);
}
.user_toplinks {
     max-width: 560px;
      justify-content: space-between;
}

.toplinks .user_info_left {
  display:flex;
  align-items:center;
  gap: 15px;
  flex-wrap: wrap;
      min-width: 260px;
    padding: 15px;
}
.toplinks .user_info_right{
  display:flex;
  align-items:center;
  gap: 0;
  flex-wrap: wrap;
     min-width: 260px;
    padding: 15px;
}

.toplinks .user_info_left .active {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 2px 10px;
    border-radius: 7px;
    text-decoration: none;
    color: #ffffff;
    background: #464646;
    font-size: 14px;
    font-weight: 600;
    transition: background .2s ease, transform .2s ease;
}

.toplinks .sep{ color: var(--muted); opacity:.8; }

.toplinks a{
  color: var(--text);
  text-decoration:none;
}
.toplinks a:hover{ border-bottom-color: rgba(15,23,42,.20); }

/* 用户名显示 */
.user_info{
  display: inline-flex;
  align-items:center;
  gap: 8px;
  padding: 2px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

/* 退出按钮 */
.toplinks .user_login{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 12px;
  border-radius: var(--radius-xs);
  border: 1px solid var(--line);
  background: var(--btn2);
  color: var(--text);
  font-weight: 750;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
.toplinks .user_login:hover{
  background: var(--btn2Hover);
  border-color: rgba(15,23,42,.18);
}

/* ==========================
   Main / Layout
   ========================== */
main{
  max-width: var(--container);
  margin: 0 auto;
  padding: 28px var(--gutter) 54px;
  min-height: 360px;
}

.layout{
  display:grid;
  grid-template-columns: 1fr 390px;
  gap: 26px;
  align-items:start;
}
@media (max-width: 920px){
  .layout{ grid-template-columns: 1fr; }
}

/* ==========================
   Intro / Card
   ========================== */
.intro,
.card{
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}

.intro{
  padding: 20px;
}
.intro::before{
  content:"";
  position:absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(37,99,235,.06), transparent 40%);
  pointer-events:none;
}
.intro > *{ position: relative; }

.intro h1{
  margin: 0 0 10px;
  font-size: 24px;
  letter-spacing: .2px;
}
.intro p{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}
.intro ul{
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
}
.intro li{ margin: 7px 0; }

.card{
  padding: 20px;
}
.card h2{
  margin: 0 0 14px;
  font-size: 16px;
  letter-spacing: .2px;
}

.recharge_btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 10px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--btn2);
  color: var(--text);
  font-weight: 650;
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
}
.recharge_btn:hover{
  background: var(--btn2Hover);
  border-color: #d1d5db;
}



/* ==========================
   Forms
   ========================== */
label{
  display:block;
  font-size: 13px;
  color: var(--muted);
  margin: 12px 0 6px;
}

input[type="text"],
input[type="password"]{
  width:100%;
  border: 1px solid rgba(15,23,42,.14);
  border-radius: var(--radius-xs);
  padding: 11px 12px;
  font-size: 14px;
  outline:none;
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow-inset);
  transition: border-color .14s ease, box-shadow .14s ease, transform .06s ease;
}

input::placeholder{ color: rgba(100,116,139,.75); }

input:hover{
  border-color: rgba(15,23,42,.22);
}
input:focus{
  border-color: var(--focus);
  box-shadow: var(--shadow-inset), var(--ring);
}

/* 输入组（如验证码 + 刷新按钮） */
.field{
  display:flex;
  gap: 10px;
  align-items: stretch;
}
.field > *{ min-width: 0; }

@media (max-width: 420px){
  .field{ flex-direction: column; }
}

/* ==========================
   Buttons
   ========================== */
button{
  border: 1px solid var(--line);
  background: var(--btn2);
  color: var(--text);
  padding: 9px 12px;
  font-size: 14px;
  border-radius: var(--radius-xs);
  cursor:pointer;
  transition: transform .06s ease, background .14s ease, border-color .14s ease, box-shadow .14s ease;
  white-space: nowrap;
  box-shadow: var(--shadow-sm);
}
button:hover{
  background: var(--btn2Hover);
  border-color: rgba(15,23,42,.18);
}
button:active{
  transform: translateY(1px);
}
button:disabled{
  opacity:.6;
  cursor:not-allowed;
  box-shadow: none;
}

button.primary{
  width:100%;
  margin-top: 16px;
  background: var(--btn);
  color: var(--btnText);
  border-color: var(--btn);
  font-weight: 800;
  letter-spacing: .2px;
}
button.primary:hover{
  background: var(--btnHover);
  border-color: var(--btnHover);
}
button.primary:focus{
  box-shadow: var(--ring);
}

/* ==========================
   Rows / Links
   ========================== */
.row{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}

.row a{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}
.row a:hover{ border-bottom-color: rgba(15,23,42,.20); }

/* ==========================
   Messages
   ========================== */
.msg{
  margin-top: 12px;
  font-size: 13px;
  white-space: pre-wrap;
  padding: 10px 11px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  display:none;
  box-shadow: var(--shadow-sm);
}

.msg.ok{
  display:block;
  color: var(--ok);
  border-color: rgba(15,118,110,.30);
  background: rgba(15,118,110,.08);
}
.msg.err{
  display:block;
  color: var(--err);
  border-color: rgba(185,28,28,.30);
  background: rgba(185,28,28,.08);
}
.msg.warn{
  display:block;
  color: var(--warn);
  border-color: rgba(180,83,9,.28);
  background: rgba(180,83,9,.08);
}

/* ==========================
   Captcha
   ========================== */
#captchaImg{
  height: 42px;
  width: 128px;
  object-fit: contain;
  border: 1px solid rgba(15,23,42,.14);
  border-radius: var(--radius-xs);
  cursor: pointer;
  background: rgba(255,255,255,.95);
  box-shadow: var(--shadow-sm);
  transition: transform .06s ease, border-color .14s ease, box-shadow .14s ease;
}
#captchaImg:hover{
  border-color: rgba(15,23,42,.22);
}
#captchaImg:active{
  transform: translateY(1px);
}

/* ==========================
   Footer
   ========================== */
.footer{
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.footer a{
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.footer a:hover{ border-bottom-color: rgba(15,23,42,.20); }

/* ==========================
   Checkbox
   ========================== */
.check{
  display:flex;
  align-items:center;
  gap:8px;
  user-select:none;
  margin:0;
  color: var(--muted);
}
input[type="checkbox"]{
  width: 15px;
  height: 15px;
  accent-color: var(--focus);
}

/* ==========================
   Optional utility classes
   (不会影响你现有页面，想用再用)
   ========================== */
.muted{ color: var(--muted); }
.center{ display:flex; align-items:center; justify-content:center; }
.spacer{ height: 12px; }
.hr{ height:1px; background: var(--line); margin: 14px 0; border:0; }
.code{
  font-family: var(--mono);
  font-size: 12px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(241,245,249,.9);
}