/* ============ 信箱台 · Aurora Minimal ============ */
:root{
  --bg:#060a09;
  --bg-2:#0a100e;
  --surface:rgba(255,255,255,.028);
  --surface-solid:#0d1512;
  --ink:#e9f2ee;
  --muted:#7f928a;
  --faint:#55665f;
  --line:rgba(255,255,255,.07);
  --line-strong:rgba(255,255,255,.13);
  --accent:#2dd4a7;
  --accent-strong:#5ee8c0;
  --accent-deep:#0f8a67;
  --accent-soft:rgba(45,212,167,.1);
  --danger:#f87171;
  --danger-soft:rgba(248,113,113,.12);
  --radius:16px;
  --radius-sm:11px;
  --shadow:0 24px 70px rgba(0,0,0,.45);
  --blur:saturate(1.4) blur(18px);
  --ease:cubic-bezier(.22,.9,.28,1);
  font-family:"SF Pro Display","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--ink);
  background:var(--bg);
}
*{box-sizing:border-box}
html{color-scheme:dark}
body{margin:0;min-width:320px;min-height:100dvh;background:var(--bg);overflow-x:hidden}
body:before{ /* 极细噪点，提升深色质感 */
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:3px 3px;
}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
::selection{background:rgba(45,212,167,.28)}
[hidden]{display:none!important}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.09);border-radius:99px;border:2px solid var(--bg)}
::-webkit-scrollbar-track{background:transparent}

#fx-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
#login-view,#app-view{position:relative;z-index:2}

.glass{background:var(--surface);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--line)}

/* ---------- 通用元素 ---------- */
.muted{color:var(--muted)}
.section-kicker{font-size:11px;letter-spacing:.22em;font-weight:700;color:var(--accent);margin:0 0 10px;text-transform:uppercase}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(45,212,167,.14),0 0 14px rgba(45,212,167,.7);animation:pulse 2.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 4px rgba(45,212,167,.14),0 0 12px rgba(45,212,167,.6)}50%{box-shadow:0 0 0 7px rgba(45,212,167,.06),0 0 20px rgba(45,212,167,.9)}}

.brand-mark{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;color:#04110c;font-size:25px;font-weight:800;
  background:linear-gradient(135deg,var(--accent-strong),var(--accent-deep));
  box-shadow:0 10px 34px rgba(45,212,167,.32),inset 0 1px rgba(255,255,255,.45)}
.brand-mark.small{width:36px;height:36px;border-radius:11px;font-size:16px}

input,select,textarea{width:100%;border:1px solid var(--line);border-radius:var(--radius-sm);padding:13px 15px;background:rgba(255,255,255,.03);color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s,background .2s}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:focus,select:focus,textarea:focus{border-color:rgba(45,212,167,.55);box-shadow:0 0 0 4px rgba(45,212,167,.13);background:rgba(45,212,167,.04)}
select option{background:var(--surface-solid);color:var(--ink)}

.primary-button,.secondary-button{border-radius:var(--radius-sm);min-height:46px;padding:0 20px;font-weight:700;border:1px solid transparent;white-space:nowrap;transition:transform .16s var(--ease),box-shadow .25s,background .2s,border-color .2s}
.primary-button{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--accent-strong),var(--accent-deep));color:#04110c;box-shadow:0 8px 26px rgba(45,212,167,.24)}
.primary-button:before{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;background:linear-gradient(105deg,transparent,rgba(255,255,255,.5),transparent);transform:skewX(-22deg);transition:left .55s var(--ease)}
.primary-button:hover:before{left:130%}
.primary-button:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(45,212,167,.36)}
.primary-button:active{transform:translateY(0)}
.primary-button:disabled{opacity:.55;cursor:wait;transform:none}
.secondary-button{background:rgba(255,255,255,.04);border-color:var(--line);color:var(--ink)}
.secondary-button:hover{border-color:var(--line-strong);background:rgba(255,255,255,.07)}
.form-error{padding:12px 14px;margin:0;border-radius:var(--radius-sm);background:var(--danger-soft);border:1px solid rgba(248,113,113,.28);color:var(--danger);font-size:13px}
.icon-button{border:1px solid transparent;background:transparent;color:inherit;font-size:19px;width:34px;height:34px;border-radius:10px;transition:.2s}
.icon-button:hover{background:rgba(255,255,255,.08)}

/* ---------- 登录 ---------- */
.login-shell{min-height:100dvh;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(430px,.9fr)}
.login-brand{position:relative;overflow:hidden;padding:clamp(48px,8vw,120px);display:flex;flex-direction:column;justify-content:center;
  background:linear-gradient(160deg,rgba(6,10,9,.25),rgba(6,10,9,.72))}
.login-brand:after{content:"@";position:absolute;right:-4vw;bottom:-16vw;font-size:44vw;line-height:1;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(45,212,167,.09)}
.eyebrow{font-size:11px;letter-spacing:.3em;font-weight:700;color:var(--accent);margin:38px 0 14px}
.login-brand h1{font-size:clamp(44px,5.2vw,78px);letter-spacing:-.05em;line-height:1.06;margin:0;max-width:720px;
  background:linear-gradient(120deg,#f2faf7 30%,#8fd9c0 75%,#2dd4a7);-webkit-background-clip:text;background-clip:text;color:transparent}
.brand-copy{font-size:16px;line-height:1.8;color:var(--muted);max-width:540px;margin:28px 0 0}
.privacy-note{position:relative;z-index:1;margin-top:52px;color:var(--muted);display:flex;align-items:center;gap:11px;font-size:13px}
.login-panel{display:grid;place-items:center;padding:48px}
.auth-form{width:min(410px,100%);display:grid;gap:24px;padding:clamp(30px,4vw,46px);border-radius:calc(var(--radius) + 6px);box-shadow:var(--shadow);animation:rise .7s var(--ease) both}
.auth-form h2,.modal-form h2{font-size:30px;letter-spacing:-.035em;margin:0}
.auth-form .muted{margin:8px 0 0;font-size:13px}
.auth-form label,.modal-form label{display:grid;gap:9px;font-size:12.5px;font-weight:650;color:var(--muted);letter-spacing:.02em}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* ---------- 应用骨架 ---------- */
.app-shell{min-height:100dvh;display:grid;grid-template-columns:236px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100dvh;padding:24px 14px;display:flex;flex-direction:column;
  background:rgba(9,14,12,.72);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border-right:1px solid var(--line)}
.wordmark{display:flex;align-items:center;gap:12px;padding:0 10px 26px;font-size:17px;letter-spacing:.02em}
.sidebar nav{display:grid;gap:5px}
.nav-item{border:1px solid transparent;background:transparent;color:var(--muted);display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border-radius:var(--radius-sm);text-align:left;font-size:14px;transition:.2s}
.nav-item span{font-size:17px;width:20px}
.nav-item:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.nav-item.active{color:var(--accent-strong);background:var(--accent-soft);border-color:rgba(45,212,167,.22)}
.sidebar-foot{border-top:1px solid var(--line);margin-top:auto;padding:18px 7px 0;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:10px}
.login-entry{margin-top:auto;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(255,255,255,.04);color:var(--ink);display:flex;align-items:center;gap:12px;width:100%;padding:14px 15px;text-align:left;cursor:pointer;transition:.2s}
.login-entry:hover{border-color:rgba(45,212,167,.4);background:var(--accent-soft)}
.login-entry-icon{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:16px;color:var(--accent-strong);background:var(--accent-soft);border:1px solid rgba(45,212,167,.28);flex:none}
.login-entry strong{display:block;font-size:13.5px}
.login-entry small{display:block;font-size:11px;color:var(--faint);margin-top:3px}
#login-back{margin-top:26px;width:fit-content}
.sidebar-foot strong,.sidebar-foot small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.sidebar-foot small{font-size:11px;color:var(--faint);margin-top:3px}
.avatar{width:35px;height:35px;border-radius:11px;display:grid;place-items:center;font-weight:750;font-size:14px;color:var(--accent-strong);
  background:var(--accent-soft);border:1px solid rgba(45,212,167,.28)}

.workspace{min-width:0;padding:44px clamp(24px,4vw,64px) 90px}
.page{display:none;max-width:1460px;margin:0 auto}
.page.active-page{display:block;animation:pageIn .45s var(--ease) both}
@keyframes pageIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.page-header{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:30px}
.page-header h1{font-size:34px;letter-spacing:-.045em;margin:2px 0 0}
.secure-badge{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);padding:10px 14px;border:1px solid var(--line);border-radius:99px;background:var(--surface)}

/* ---------- 查询页 ---------- */
.query-bar{display:grid;grid-template-columns:minmax(260px,1fr) auto auto;gap:10px;padding:12px;border-radius:calc(var(--radius) + 2px);box-shadow:0 14px 44px rgba(0,0,0,.28)}
.search-field{display:flex;align-items:center;gap:12px;padding-left:10px}
.search-field span{font-size:20px;color:var(--faint)}
.search-field input{border:0;box-shadow:none;padding-left:0;background:transparent}
.query-meta{display:flex;justify-content:space-between;align-items:center;margin:18px 2px}
.folder-tabs{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}
.folder-tab{border:0;background:transparent;color:var(--muted);padding:8px 16px;border-radius:9px;font-weight:650;font-size:13px;transition:.2s}
.folder-tab.active{background:var(--accent-soft);color:var(--accent-strong)}
.query-meta .muted{font-size:12px}

.empty-state{min-height:430px;display:grid;place-content:center;text-align:center;color:var(--muted)}
.empty-state h2{color:var(--ink);margin:20px 0 6px;letter-spacing:-.02em}
.empty-state p{margin:0;font-size:14px}
.empty-glyph{font-size:30px;font-weight:700;color:var(--accent-strong);width:76px;height:76px;border:1px dashed rgba(45,212,167,.4);border-radius:22px;display:grid;place-items:center;margin:auto;background:var(--accent-soft)}

.mail-layout{display:grid;grid-template-columns:minmax(420px,.92fr) minmax(400px,1.08fr);gap:16px;align-items:start}
.message-list-panel,.detail-panel,.table-shell{border-radius:var(--radius);overflow:hidden}
.message-list{display:grid}
/* 查询加载态：面板固定一屏高，历史缓存邮件占上部约 80%（可滚动），加载动画只占下部约 20% */
.message-list-panel.is-loading{display:flex;flex-direction:column;height:min(72vh,780px)}
.message-list-panel.is-loading .message-list{flex:1 1 80%;overflow-y:auto;min-height:0}
.message-list-panel.is-loading .query-progress{flex:0 0 20%;min-height:0}
.query-progress{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:16px 20px;border-bottom:1px solid var(--line);position:relative;overflow:hidden;
  background:radial-gradient(420px 280px at 50% 0%,rgba(45,212,167,.09),transparent 70%)}
.query-progress:before{content:"";position:absolute;inset:-60%;background:conic-gradient(from 0deg,transparent 0 70%,rgba(45,212,167,.13) 82%,transparent 100%);animation:orbit 3.2s linear infinite;pointer-events:none}
@keyframes orbit{to{transform:rotate(360deg)}}
.progress-orb{position:relative;width:54px;height:54px;display:grid;place-items:center;flex:none}
.progress-orb:before{content:"";position:absolute;inset:0;border-radius:50%;border:1.5px solid transparent;border-top-color:var(--accent-strong);border-right-color:rgba(45,212,167,.35);animation:spin 1.15s linear infinite}
.progress-orb:after{content:"";position:absolute;inset:7px;border-radius:50%;border:1.5px dashed rgba(45,212,167,.32);animation:spin 2.8s linear infinite reverse}
.progress-orb i{position:absolute;width:6px;height:6px;border-radius:50%;background:var(--accent-strong);box-shadow:0 0 12px rgba(45,212,167,.85);animation:bob 1.5s ease-in-out infinite}
.progress-orb i:nth-child(1){transform:translateX(-11px)}
.progress-orb i:nth-child(2){animation-delay:.18s}
.progress-orb i:nth-child(3){transform:translateX(11px);animation-delay:.36s}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes bob{0%,100%{margin-top:0;opacity:.5}50%{margin-top:-11px;opacity:1}}
.progress-text{display:grid;gap:3px;text-align:center}
.progress-text strong{font-size:14.5px;font-weight:650;letter-spacing:.01em}
.progress-text span{font-size:12px;color:var(--muted)}
.progress-track{width:min(260px,70%);height:3.5px;border-radius:99px;background:rgba(255,255,255,.07);overflow:hidden}
.progress-bar{width:42%;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent-deep),var(--accent-strong));box-shadow:0 0 16px rgba(45,212,167,.55);animation:slide 1.35s var(--ease) infinite}
@keyframes slide{0%{transform:translateX(-110%)}100%{transform:translateX(260%)}}
.message-row{border:0;border-bottom:1px solid var(--line);background:transparent;text-align:left;padding:18px 20px;display:grid;gap:8px;color:var(--ink);transition:background .18s;position:relative}
.message-row:before{content:"";position:absolute;left:0;top:0;bottom:0;width:2.5px;background:var(--accent);opacity:0;transition:opacity .18s}
.message-row:hover{background:rgba(255,255,255,.028)}
.message-row.active{background:rgba(45,212,167,.055)}
.message-row.active:before{opacity:1}
.message-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.sender{font-weight:700;font-size:14px}
.message-date{font-size:11.5px;color:var(--faint);white-space:nowrap}
.message-subject{font-size:14.5px;font-weight:600}
.message-preview{font-size:12.5px;line-height:1.55;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.code-strip{display:flex;gap:7px;flex-wrap:wrap}
.code-chip{border:1px solid rgba(45,212,167,.35);background:var(--accent-soft);color:var(--accent-strong);border-radius:8px;padding:5px 10px;font-family:"SFMono-Regular",ui-monospace,monospace;font-weight:700;font-size:12.5px;letter-spacing:.06em;transition:.18s}
.code-chip:hover{background:rgba(45,212,167,.2)}
.detail-panel{position:sticky;top:24px;min-height:520px;max-height:calc(100dvh - 48px);overflow:auto}
.detail-placeholder{min-height:520px;display:grid;place-content:center;text-align:center;color:var(--faint);gap:8px}
.detail-placeholder span{font-size:28px}
.detail-content{padding:30px}
.detail-content h2{font-size:22px;line-height:1.32;margin:0 0 14px;letter-spacing:-.02em}
.detail-meta{display:grid;grid-template-columns:70px 1fr;gap:8px;font-size:13px;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line)}
.detail-meta strong{color:var(--ink);font-weight:650}
.detail-codes{padding:18px;border-radius:var(--radius-sm);margin:20px 0;background:var(--accent-soft);border:1px solid rgba(45,212,167,.22)}
.detail-codes strong{font-size:12px;color:var(--accent-strong);display:block;margin-bottom:10px;letter-spacing:.06em}
.detail-body{white-space:pre-wrap;font-size:14px;line-height:1.75;color:#c8d8d1}
.html-frame{border:1px solid rgba(255,255,255,.09);border-radius:14px;width:100%;min-height:220px;background:#f4f7f5;transition:height .2s var(--ease);box-shadow:0 18px 44px -24px rgba(0,0,0,.75),0 2px 8px rgba(0,0,0,.3)}
.load-more{display:block;margin:16px auto}
.skeleton{background:linear-gradient(90deg,rgba(255,255,255,.03) 25%,rgba(255,255,255,.07) 50%,rgba(255,255,255,.03) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;height:92px;border-bottom:1px solid var(--line)}
@keyframes shimmer{to{background-position:-200% 0}}

/* ---------- 管理页 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.metric{background:var(--surface);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--line);border-radius:var(--radius);padding:22px;transition:border-color .25s,transform .25s var(--ease)}
.metric:hover{border-color:rgba(45,212,167,.3);transform:translateY(-2px)}
.metric span{color:var(--muted);font-size:12px;letter-spacing:.05em}
.metric strong{display:block;font-size:32px;letter-spacing:-.045em;margin-top:9px;font-weight:750;
  background:linear-gradient(120deg,#f2faf7,#9fe0c8);-webkit-background-clip:text;background-clip:text;color:transparent}
.table-head{padding:20px 24px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:20px}
.table-head h2{font-size:16.5px;margin:0;letter-spacing:-.01em}
.table-head input{max-width:280px}
.table-scroll{overflow:auto}
table{border-collapse:collapse;width:100%;min-width:720px}
th,td{text-align:left;padding:15px 22px;border-bottom:1px solid var(--line);font-size:13px}
th{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);background:rgba(255,255,255,.02)}
tbody tr{transition:background .15s}
tbody tr:hover{background:rgba(255,255,255,.022)}
td code{font-size:11.5px;color:var(--muted);background:rgba(255,255,255,.05);padding:3px 7px;border-radius:6px}
.status{display:inline-flex;padding:5px 10px;border-radius:99px;background:rgba(255,255,255,.06);font-size:11px;font-weight:700;letter-spacing:.03em}
.status.healthy,.status.active,.status.success{background:var(--accent-soft);color:var(--accent-strong);border:1px solid rgba(45,212,167,.25)}
.status.error,.status.expired,.status.failed,.status.disabled,.status.denied{background:var(--danger-soft);color:var(--danger);border:1px solid rgba(248,113,113,.25)}

/* ---------- 弹窗 / Toast ---------- */
dialog{border:1px solid var(--line-strong);border-radius:calc(var(--radius) + 4px);padding:0;width:min(660px,calc(100vw - 32px));box-shadow:var(--shadow);background:rgba(13,21,18,.92);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);color:var(--ink)}
dialog::backdrop{background:rgba(2,6,5,.7);backdrop-filter:blur(6px)}
dialog[open]{animation:pop .35s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.985)}to{opacity:1;transform:none}}
.modal-form{padding:30px;display:grid;gap:22px}
.modal-header{display:flex;align-items:start;justify-content:space-between}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
.check-row{display:flex!important;grid-template-columns:auto 1fr!important;align-items:center;font-size:13px!important}
.check-row input{width:auto;accent-color:var(--accent)}
.modal-actions{display:flex;justify-content:flex-end;gap:10px}
.toast{position:fixed;right:24px;top:24px;z-index:10;background:rgba(13,21,18,.9);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);color:var(--ink);border:1px solid rgba(45,212,167,.3);border-radius:var(--radius-sm);padding:13px 18px;font-size:13.5px;box-shadow:var(--shadow);opacity:0;transform:translateY(-10px);pointer-events:none;transition:.28s var(--ease)}
.toast.show{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){.mail-layout{grid-template-columns:1fr}.detail-panel{position:static;max-height:none}.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){
  .login-shell{grid-template-columns:1fr}
  .login-brand{min-height:36dvh;padding:36px}
  .login-brand h1{font-size:36px}
  .brand-copy,.privacy-note{display:none}
  .login-panel{padding:28px 20px}
  .app-shell{grid-template-columns:1fr}
  .sidebar{height:auto;position:sticky;z-index:5;padding:10px 14px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;border-right:0;border-bottom:1px solid var(--line)}
  .wordmark{padding:0}.wordmark strong{display:none}
  .sidebar nav{display:flex;overflow:auto}
  .nav-item{width:auto;white-space:nowrap;padding:10px}
  .nav-item span{display:none}
  .sidebar-foot{border:0;margin:0;padding:0}
  .login-entry{margin:0;width:auto;padding:10px 14px}
  .login-entry small{display:none}
  .sidebar-foot>div:nth-child(2),.avatar{display:none}
  .workspace{padding:24px 16px 60px}
  .query-bar{grid-template-columns:1fr 1fr}
  .search-field{grid-column:1/-1}
  .page-header{align-items:center}
  .page-header h1{font-size:28px}
  .secure-badge{display:none}
  .mail-layout{display:block}
  .message-list-panel{margin-bottom:14px}
  .message-list-panel.is-loading{height:auto;max-height:80dvh}
  .message-list-panel.is-loading .query-progress{flex:0 0 20%;min-height:150px}
  .detail-panel,.detail-placeholder{min-height:340px}
  .metric-grid{grid-template-columns:1fr 1fr}
  .form-grid{grid-template-columns:1fr}
  .form-grid .full{grid-column:auto}
}
@media (prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}