/* ============================================================
   Moessif · Admin — 与前台同一套午夜语言，更克制
   ============================================================ */
:root{
  color-scheme: dark;
  --bg:#0B0A09; --bg-2:#0F0E0C; --bg-3:#151311;
  --ink:#F2ECE0; --dim:rgba(242,236,224,.56); --dim-2:rgba(242,236,224,.32);
  --line:rgba(242,236,224,.11); --line-2:rgba(242,236,224,.22);
  --coral:#D97757; --coral-soft:rgba(217,119,87,.14); --gold:#FFCF5C;
  --ok:#8BC98F; --danger:#E4736B;
  --sans:"Inter","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","SFMono-Regular",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;
  --serif:Georgia,"Times New Roman","Songti SC","Noto Serif CJK SC",SimSun,serif;
  --ease:cubic-bezier(.22,.7,.22,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh}
::selection{background:var(--coral);color:#151210}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--mono)}
.dim{color:var(--dim)}
.kicker{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--coral)}
.grain{position:fixed;inset:0;z-index:9998;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)'/%3E%3C/svg%3E");mix-blend-mode:overlay}
.brand-name{font-family:var(--serif);font-style:italic;font-size:19px}

/* ---------- header ---------- */
.admin-head{position:sticky;top:0;z-index:100;background:rgba(11,10,9,.82);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.admin-head-inner{max-width:1280px;margin-inline:auto;padding:0 clamp(18px,3vw,32px);height:62px;display:flex;align-items:center;gap:28px}
.admin-brand{display:flex;align-items:baseline;gap:8px;flex:none}
.admin-nav{display:flex;align-items:center;gap:22px;margin-left:auto}
.admin-nav a{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim);padding:6px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.admin-nav a:hover{color:var(--ink)}
.admin-nav a.is-active{color:var(--ink);border-bottom-color:var(--coral)}
.admin-logout .link-btn{font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--dim-2)}
.admin-logout .link-btn:hover{color:var(--coral)}

/* ---------- flash ---------- */
.flash-stack{max-width:1280px;margin:18px auto -8px;padding:0 clamp(18px,3vw,32px);display:flex;flex-direction:column;gap:8px;position:relative;z-index:60}
.flash{border:1px solid var(--line);border-radius:10px;padding:11px 16px;font-size:13px;background:var(--bg-2)}
.flash-ok{border-color:rgba(139,201,143,.35);color:var(--ok)}
.flash-error{border-color:rgba(228,115,107,.4);color:var(--danger)}

/* ---------- main ---------- */
.admin-main{padding:clamp(24px,4vw,48px) 0 90px}
.admin-wrap{max-width:1280px;margin-inline:auto;padding:0 clamp(18px,3vw,32px)}
.admin-page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.admin-page-head h1{font-size:clamp(24px,3vw,32px);letter-spacing:-.02em;line-height:1.2;margin-top:6px}
.admin-page-head .kicker{margin-bottom:4px}

/* ---------- buttons / inputs ---------- */
.btn-primary,.btn-secondary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:10px 20px;font-size:12.5px;font-weight:600;
  transition:transform .2s var(--ease),filter .2s,border-color .2s,color .2s;
}
.btn-primary{background:var(--coral);color:#151210;border:1px solid var(--coral)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-secondary{border:1px solid var(--line-2);color:var(--ink)}
.btn-secondary:hover{border-color:var(--coral);color:var(--coral)}
.btn-ghost{border:1px solid var(--line);color:var(--dim);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:9px 16px}
.btn-ghost:hover{color:var(--ink);border-color:var(--line-2)}
.link-btn{font-size:11px;color:var(--dim);transition:color .2s}
.link-btn:hover{color:var(--coral)}
.input{
  width:100%;background:#0D0C0B;border:1px solid var(--line);border-radius:10px;
  color:var(--ink);padding:10px 13px;font-family:var(--sans);font-size:13.5px;line-height:1.6;
  transition:border-color .2s var(--ease);resize:vertical;
}
.input:focus{outline:none;border-color:rgba(217,119,87,.55)}
.input::placeholder{color:var(--dim-2)}
.input-title{font-size:22px;font-weight:600;letter-spacing:-.01em;padding:12px 14px}
.input-file{padding:8px 12px;font-size:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field-label{font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim-2)}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.field-inline{display:flex;align-items:center;gap:9px;font-size:11.5px;color:var(--dim);cursor:pointer}
.field-inline input{accent-color:var(--coral)}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:24px}
.stat-card{border:1px solid var(--line);border-radius:14px;background:var(--bg-2);padding:18px 20px;display:flex;flex-direction:column;gap:6px}
.stat-label{font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim-2)}
.stat-value{font-size:32px;line-height:1.1;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}

/* ---------- panels / tables ---------- */
.admin-panel{border:1px solid var(--line);border-radius:16px;background:var(--bg-2);margin-bottom:22px;overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:15px;font-weight:600;letter-spacing:-.01em}
.panel-head .mono{font-size:10px;letter-spacing:.1em;text-transform:uppercase}
.post-table{display:flex;flex-direction:column}
.post-table-head,.post-table-row{display:grid;grid-template-columns:minmax(0,1fr) 90px 96px minmax(250px,auto);gap:16px;align-items:center;padding:14px 22px}
.post-table-head{border-bottom:1px solid var(--line);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--dim-2)}
.post-table-row{border-bottom:1px solid var(--line);transition:background .18s}
.post-table-row:last-child{border-bottom:0}
.post-table-row:hover{background:rgba(242,236,224,.02)}
.pt-title a{font-size:14.5px;line-height:1.45;transition:color .2s}
.pt-title a:hover{color:var(--coral)}
.pt-sub{font-size:9.5px;letter-spacing:.06em;color:var(--dim-2);margin-top:3px}
.pt-date{font-size:10px;letter-spacing:.06em;color:var(--dim-2)}
.pt-actions{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pt-actions form{display:contents}
.mini-btn{border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:11px;color:var(--dim);transition:color .18s,border-color .18s}
.mini-btn:hover{color:var(--ink);border-color:var(--line-2)}
.mini-danger:hover{color:var(--danger);border-color:rgba(228,115,107,.45)}
.badge{display:inline-block;font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;border-radius:999px;padding:3px 9px;border:1px solid var(--line)}
.badge-live{color:var(--ok);border-color:rgba(139,201,143,.35);background:rgba(139,201,143,.08)}
.badge-draft{color:var(--dim);border-color:var(--line)}
.empty-state{padding:52px 22px;display:flex;flex-direction:column;align-items:center;gap:16px}

/* ---------- editor ---------- */
.editor-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.editor-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:20px;align-items:start}
.editor-main{display:flex;flex-direction:column;gap:18px;min-width:0}
.editor-side{display:flex;flex-direction:column;gap:14px;position:sticky;top:86px}
.code-input{font-family:var(--mono);font-size:12.5px;line-height:1.8;min-height:440px;letter-spacing:0;resize:vertical}
.editor-tabs{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.tab-btn{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;padding:6px 14px;color:var(--dim-2);border-bottom:1px solid transparent;transition:color .18s}
.tab-btn:hover{color:var(--ink)}
.tab-btn.is-active{color:var(--coral);background:var(--coral-soft)}
.preview-pane{border:1px solid var(--line);border-radius:12px;background:#0D0C0B;padding:26px clamp(18px,3vw,36px);max-height:900px;overflow:auto}
.preview-body{font-size:15px;line-height:1.9;color:rgba(242,236,224,.84)}
.preview-body h2{font-size:22px;margin:1.8em 0 .7em;color:var(--ink)}
.preview-body h3{font-size:17px;margin:1.5em 0 .6em;color:var(--ink)}
.preview-body p{margin:0 0 1.2em}
.preview-body ul,.preview-body ol{padding-left:1.4em;margin:0 0 1.2em}
.preview-body blockquote{border-left:2px solid var(--coral);padding-left:18px;color:var(--dim);font-family:var(--serif);font-style:italic;margin:1.6em 0}
.preview-body a{color:var(--coral);border-bottom:1px solid rgba(217,119,87,.35)}
.preview-body code{font-family:var(--mono);font-size:.84em;background:rgba(242,236,224,.07);border:1px solid var(--line);border-radius:4px;padding:1px 5px;color:var(--gold)}
.preview-body pre{background:#0B0A09;border:1px solid var(--line);border-radius:12px;padding:16px 18px;overflow:auto;margin:1.5em 0}
.preview-body pre code{background:none;border:0;padding:0;color:rgba(242,236,224,.84);font-size:12px;line-height:1.75}
.preview-body img{border-radius:10px;margin:1.5em 0}
.preview-body table{width:100%;border-collapse:collapse;font-size:13px;margin:1.5em 0}
.preview-body th,.preview-body td{border-bottom:1px solid var(--line);padding:8px 10px;text-align:left}
.editor-hint{font-size:10px;letter-spacing:.04em;color:var(--dim-2)}
.editor-hint code{color:var(--gold)}

/* side panels */
.side-panel{border:1px solid var(--line);border-radius:14px;background:var(--bg-2);padding:15px 16px;display:flex;flex-direction:column;gap:10px}
.side-title{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim-2)}
.side-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11.5px;color:var(--dim)}
.side-note{font-size:9.5px;line-height:1.5;color:var(--dim-2)}
.side-slug{font-size:10.5px;color:var(--gold);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:150px}
.cover-preview{height:110px;border-radius:10px;border:1px solid var(--line);background-size:cover;background-position:center}
.cover-presets{display:flex;gap:8px}
.preset-btn{width:44px;height:28px;border-radius:6px;border:1px solid var(--line-2);transition:transform .18s}
.preset-btn:hover{transform:translateY(-1px)}
.preset-c1{background:linear-gradient(135deg,#241a15,#0d0c0a 70%)}
.preset-c2{background:linear-gradient(135deg,#132026,#0d0c0a 70%)}
.preset-c3{background:linear-gradient(135deg,#241d12,#0d0c0a 70%)}
.preset-c4{background:linear-gradient(135deg,#1a1724,#0d0c0a 70%)}
.cover-note{font-size:9.5px;color:var(--dim-2);word-break:break-all}
.cover-c1{background:radial-gradient(120% 90% at 78% 14%,rgba(217,119,87,.55),transparent 55%),linear-gradient(160deg,#1B1512,#0C0B0A 72%)}
.cover-c2{background:radial-gradient(110% 90% at 20% 16%,rgba(88,196,221,.4),transparent 58%),linear-gradient(150deg,#101619,#0B0B0A 74%)}
.cover-c3{background:radial-gradient(110% 100% at 80% 20%,rgba(255,207,92,.5),transparent 58%),linear-gradient(165deg,#191410,#0C0B0A 70%)}
.cover-c4{background:radial-gradient(100% 90% at 16% 20%,rgba(165,139,255,.42),transparent 58%),linear-gradient(150deg,#14121A,#0B0A0C 72%)}
.cover-img{background-size:cover;background-position:center}

/* ---------- settings ---------- */
.settings-panel{padding:0 0 20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding:20px 22px}
.field-wide{grid-column:1 / -1}
.panel-actions{padding:0 22px;display:flex;justify-content:flex-end}

/* ---------- login ---------- */
.admin-login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:24px}
.login-shell{width:100%;display:flex;justify-content:center}
.login-card{
  width:min(420px,100%);border:1px solid var(--line);border-radius:20px;background:var(--bg-2);
  padding:clamp(26px,4vw,40px);display:flex;flex-direction:column;gap:16px;
  box-shadow:0 40px 100px rgba(0,0,0,.5);position:relative;z-index:2;
}
.login-card::before{content:"";position:absolute;inset:-1px;border-radius:20px;pointer-events:none;background:linear-gradient(140deg,rgba(217,119,87,.25),transparent 40%)}
.login-brand{display:flex;align-items:baseline;gap:8px}
.login-brand .mono{font-size:10px;letter-spacing:.14em;text-transform:uppercase}
.login-title{font-size:26px;letter-spacing:-.02em;margin-top:4px}
.login-sub{font-size:10.5px;letter-spacing:.06em;color:var(--dim-2);line-height:1.7}
.login-form{display:flex;flex-direction:column;gap:14px;margin-top:6px}
.login-form .btn-primary{width:100%;margin-top:6px;padding:12px 20px}
.login-back{font-size:10.5px;letter-spacing:.06em;color:var(--dim-2);margin-top:4px}
.login-back:hover{color:var(--coral)}

/* ---------- responsive ---------- */
@media (max-width: 1080px){
  .editor-grid{grid-template-columns:minmax(0,1fr)}
  .editor-side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-panel{flex:1 1 260px}
}
.password-tips{margin:0;padding-left:18px;line-height:1.9}
.password-tips li{margin:5px 0}
.login-hint{margin:0 0 16px;font-size:12px;line-height:1.7}
.settings-panel .panel-actions a.btn-secondary{display:inline-block;text-decoration:none}

@media (max-width: 900px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .post-table-head{display:none}
  .post-table-row{grid-template-columns:1fr auto;gap:10px;padding:16px 18px}
  .post-table-row > div:nth-child(2){grid-column:2;grid-row:1}
  .post-table-row > div:nth-child(3){display:none}
  .post-table-row > div:nth-child(4){grid-column:1 / -1;justify-content:flex-start;padding-top:4px}
  .form-grid{grid-template-columns:1fr}
  .admin-head-inner{gap:14px}
  .admin-nav{gap:14px}
  .admin-nav a{font-size:9.5px}
}
@media (max-width: 620px){
  .admin-nav{display:none}
  .admin-logout{margin-left:auto}
  .stat-grid{gap:8px}
  .stat-card{padding:14px}
  .stat-value{font-size:26px}
  .editor-actions{width:100%}
}