/* ============================================================
   新门户 portal_new.html 专用样式（不影响旧 portal.html）
   深色科技感 · 与租户 Login.module.css 视觉一致
   ============================================================ */

:root{
  --np-bg:#0b0a1f;
  --np-bg2:#131233;
  --np-card:rgba(255,255,255,.04);
  --np-card-brd:rgba(255,255,255,.08);
  --np-card-brd-h:rgba(167,139,250,.45);
  --np-txt:#f5f7ff;
  --np-dim:#a8b1d6;
  --np-mute:#6b73a3;
  --np-pri:#a78bfa;
  --np-pri2:#8b5cf6;
  --np-pri-soft:rgba(167,139,250,.12);
  --np-pri-ring:rgba(167,139,250,.30);
  --np-grad-1:#667eea;
  --np-grad-2:#3b82f6;
  --np-red:#ef4444;
  --np-red-bg:rgba(239,68,68,.10);
  --np-radius:16px;
  --np-shadow:0 20px 60px -12px rgba(0,0,0,.55);
  --np-mono:ui-monospace,"SF Mono","JetBrains Mono",Consolas,monospace;
}

/* ---------------- 容器 ---------------- */
.np-login-container{
  display:grid;
  grid-template-columns:1fr 450px;
  min-height:100vh;
  width:100%;
  background:var(--np-bg);
  color:var(--np-txt);
  overflow:hidden;
}

/* ---------------- 左侧背景面板 ---------------- */
.np-left-panel{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#131233 0%,#0b0a1f 60%,#08071a 100%);
  display:flex;
  align-items:center;
  justify-content:center;
}

.np-background-gradient{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 30%,rgba(99,102,241,.18) 0%,transparent 50%),
    radial-gradient(circle at 80% 70%,rgba(167,139,250,.16) 0%,transparent 50%),
    radial-gradient(circle at 50% 50%,rgba(59,130,246,.10) 0%,transparent 70%);
}

.np-decorative-elements{
  position:absolute;inset:0;
  background-image:
    radial-gradient(rgba(99,102,241,.10) 1px,transparent 1px),
    radial-gradient(rgba(167,139,250,.06) 1px,transparent 1px);
  background-size:40px 40px,80px 80px;
  background-position:0 0,20px 20px;
  opacity:.55;
}

.np-left-content{
  position:relative;z-index:2;
  display:flex;flex-direction:column;align-items:center;
  padding:48px;text-align:center;width:100%;max-width:520px;
}

.np-left-svg-wrap{
  width:100%;max-width:400px;
  margin-bottom:36px;
  filter:drop-shadow(0 0 40px rgba(99,102,241,.25));
}
.np-left-svg-wrap svg{display:block;width:100%;height:auto}

.np-left-tagline h2{
  font-size:26px;font-weight:700;letter-spacing:.03em;
  margin-bottom:10px;color:var(--np-txt);
  background:linear-gradient(135deg,#fff 0%,#c7d2fe 50%,#a78bfa 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.np-left-tagline p{
  font-size:14px;color:var(--np-dim);
  letter-spacing:.05em;line-height:1.6;
}

/* SVG 动画 */
@keyframes np-pulse{
  0%,100%{opacity:.7;transform:scale(1)}
  50%{opacity:1;transform:scale(1.08)}
}
@keyframes np-pulse-strong{
  0%,100%{opacity:.85;transform:scale(1)}
  50%{opacity:1;transform:scale(1.15)}
}
@keyframes np-spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}
@keyframes np-spin-r{from{transform:rotate(360deg)}to{transform:rotate(0)}}
@keyframes np-orbit1{
  from{transform:rotate(0) translateX(160px) rotate(0)}
  to{transform:rotate(360deg) translateX(160px) rotate(-360deg)}
}
@keyframes np-orbit2{
  from{transform:rotate(0) translateX(120px) rotate(0)}
  to{transform:rotate(-360deg) translateX(120px) rotate(360deg)}
}
@keyframes np-orbit3{
  from{transform:rotate(0) translateX(80px) rotate(0)}
  to{transform:rotate(360deg) translateX(80px) rotate(-360deg)}
}

.np-svg-ring1{transform-origin:200px 200px;animation:np-spin 30s linear infinite}
.np-svg-ring2{transform-origin:200px 200px;animation:np-spin-r 24s linear infinite}
.np-svg-core{transform-origin:200px 200px;animation:np-pulse-strong 3.5s ease-in-out infinite}
.np-svg-node-main{transform-box:fill-box;transform-origin:center;animation:np-pulse 2.8s ease-in-out infinite}
.np-svg-node-sub{transform-box:fill-box;transform-origin:center;animation:np-pulse 3.5s ease-in-out infinite}
.np-svg-node-tiny{transform-box:fill-box;transform-origin:center;animation:np-pulse 4s ease-in-out infinite}
.np-svg-line{stroke-dasharray:300;stroke-dashoffset:300;animation:np-dash 4s ease-in-out forwards infinite}
.np-svg-line-r{stroke-dasharray:300;stroke-dashoffset:300;animation:np-dash-r 4s ease-in-out forwards infinite}
@keyframes np-dash{
  0%{stroke-dashoffset:300}50%{stroke-dashoffset:0}100%{stroke-dashoffset:-300}
}
@keyframes np-dash-r{
  0%{stroke-dashoffset:-300}50%{stroke-dashoffset:0}100%{stroke-dashoffset:300}
}
.np-svg-orbit1{transform-origin:200px 200px;animation:np-orbit1 14s linear infinite}
.np-svg-orbit2{transform-origin:200px 200px;animation:np-orbit2 11s linear infinite}
.np-svg-orbit3{transform-origin:200px 200px;animation:np-orbit3 8s linear infinite}

/* ---------------- 右侧表单（浅色主题 #f9fafb） ---------------- */
.np-right-panel{
  position:relative;
  display:flex;align-items:center;justify-content:center;
  padding:48px 40px;
  background:#f9fafb;
  /* 浅色主题变量覆盖（仅作用于右侧表单区，左侧 SVG 背景保持深色） */
  --np-txt:#0f172a;
  --np-dim:#475569;
  --np-mute:#94a3b8;
  --np-card-brd:#e2e8f0;
  --np-card-brd-h:rgba(139,92,246,.40);
  --np-red:#dc2626;
  --np-red-bg:#fef2f2;
}
.np-form-container{
  width:100%;max-width:450px;
  display:flex;flex-direction:column;align-items:center;
}

/* Logo 头部 */
.np-header{margin-bottom:32px;display:flex;flex-direction:column;align-items:center}
.np-logo-wrap{width:80px;height:80px;margin-bottom:16px;display:flex;align-items:center;justify-content:center}
.np-logo-wrap svg{width:100%;height:auto}
.np-title{
  font-size:22px;font-weight:700;letter-spacing:.04em;color:var(--np-txt);
}

/* 表单 */
.np-form{width:100%;display:flex;flex-direction:column}
.np-form-title{
  font-size:18px;font-weight:600;color:var(--np-txt);
  margin-bottom:20px;text-align:center;
}

/* 错误提示 */
.np-error-msg{
  width:100%;padding:11px 14px;margin-bottom:16px;
  background:var(--np-red-bg);border:1px solid var(--np-red);
  color:#991b1b;border-radius:10px;font-size:13px;line-height:1.5;
}

/* 表单组 */
.np-form-group{margin-bottom:18px;width:100%}
.np-label{
  display:block;font-size:13px;font-weight:600;
  color:var(--np-dim);margin-bottom:7px;letter-spacing:.02em;
}
.np-select,.np-input{
  width:100%;padding:11px 14px;font-size:14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--np-card-brd);border-radius:10px;
  color:var(--np-txt);
  transition:border-color .15s,box-shadow .15s,background .15s;
  font-family:inherit;
}
.np-select{
  appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8' fill='none'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a8b1d6' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
  padding-right:36px;cursor:pointer;
}
/* 原生 <option> 在 Windows Chrome/Edge 上对深色背景渲染不稳定，
   容易出现深底深字看不见。这里强制浅底深字，保证可读性。 */
.np-select option{background:#ffffff;color:#1f2937}
.np-select option:checked{background:#eef2ff;color:#3730a3}
.np-input::placeholder,.np-select::placeholder{color:var(--np-mute)}
.np-select:focus,.np-input:focus{
  outline:none;background:#fff;color:#1f2937;
  border-color:#4285f4;
  box-shadow:0 0 0 4px rgba(66,133,244,.18);
}
.np-select:focus option{color:#1f2937}

/* 按钮 */
.np-primary-btn{
  width:100%;padding:12px 20px;margin-top:8px;
  font-size:14px;font-weight:600;
  background:linear-gradient(135deg,#4285f4,#1a73e8 50%,#0d47a1);
  color:#fff;border:none;border-radius:6px;cursor:pointer;
  transition:all .3s;
  font-family:inherit;
}
.np-primary-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px -4px rgba(66,133,244,.45)}
.np-primary-btn:active:not(:disabled){transform:translateY(0)}
.np-primary-btn:disabled{opacity:.55;cursor:wait}

/* 租户跳转提示（直进入口） */
.np-direct-link{
  margin-top:18px;text-align:center;font-size:13px;color:var(--np-mute);
}
.np-direct-link a{color:#4285f4;text-decoration:none}
.np-direct-link a:hover{text-decoration:underline}

/* 页脚 */
.np-footer{
  margin-top:32px;text-align:center;color:var(--np-mute);font-size:12px;line-height:1.7;
}

/* 空状态 */
.np-empty{
  width:100%;text-align:center;padding:40px 20px;
  color:var(--np-mute);font-size:14px;line-height:1.7;
}
.np-empty-icon{font-size:40px;margin-bottom:14px;opacity:.4}

/* ---------------- 语言切换器（右上角） ---------------- */
.np-lang-switcher{
  position:absolute;top:18px;right:18px;z-index:10;
  display:inline-flex;align-items:center;gap:2px;
  background:rgba(255,255,255,.72);
  border:1px solid var(--np-card-brd);
  border-radius:999px;padding:3px;
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  box-shadow:0 2px 10px -3px rgba(15,23,42,.10);
}
.np-lang-btn{
  min-width:36px;height:28px;padding:0 12px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--np-dim);
  background:transparent;border:none;border-radius:999px;
  cursor:pointer;transition:color .2s,background .2s,box-shadow .2s;
  font-family:inherit;
}
.np-lang-btn:hover{color:var(--np-txt);background:rgba(15,23,42,.05)}
.np-lang-btn.is-active{
  color:#fff;
  background:linear-gradient(135deg,#4285f4,#1a73e8);
  box-shadow:0 3px 10px -2px rgba(66,133,244,.45);
}

/* ---------------- 响应式 ---------------- */
@media (max-width:960px){
  .np-login-container{grid-template-columns:1fr}
  .np-left-panel{display:none}
}
@media (max-width:480px){
  .np-right-panel{padding:32px 20px}
  .np-form-container{max-width:none}
}