/* MIDHILL Publisher · Agent Reach 科技感主题 */
:root{
  --bg:#050a14;
  --bg2:#0a1220;
  --panel:#0d1728;
  --panel2:#111e33;
  --line:#1c2f4a;
  --cyan:#00d4ff;
  --blue:#3a7bff;
  --pink:#ff4fd8;
  --green:#00ff9d;
  --text:#e6f1ff;
  --muted:#7a8fb0;
  --danger:#ff5c5c;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  background:radial-gradient(ellipse at 20% 0%,#0d1f3a 0%,var(--bg) 60%);
  color:var(--text);
  font-family:'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  min-height:100vh;
}
/* 发光网格背景 */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;
  background:linear-gradient(rgba(0,212,255,.04) 1px,transparent 1px),
             linear-gradient(90deg,rgba(0,212,255,.04) 1px,transparent 1px);
  background-size:40px 40px;z-index:0;
}
.wrap{position:relative;z-index:1;max-width:1280px;margin:0 auto;padding:20px}

/* 顶部导航 */
.topbar{
  display:flex;align-items:center;gap:16px;padding:16px 24px;
  background:rgba(13,23,40,.8);border:1px solid var(--line);
  border-radius:14px;backdrop-filter:blur(8px);
  box-shadow:0 0 20px rgba(0,212,255,.1);
}
.logo{font-size:20px;font-weight:800;letter-spacing:1px;color:var(--cyan);
  text-shadow:0 0 12px rgba(0,212,255,.6);display:flex;align-items:center;gap:10px}
.logo .dot{width:12px;height:12px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 12px var(--cyan);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.topbar .spacer{flex:1}
.btn{
  padding:10px 18px;border:1px solid var(--line);border-radius:10px;
  background:transparent;color:var(--text);font-size:13px;cursor:pointer;
  transition:.2s;text-decoration:none;display:inline-flex;align-items:center;gap:8px;
  font-family:inherit;font-weight:600;
}
.btn:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 12px rgba(0,212,255,.3)}
.btn-primary{background:linear-gradient(135deg,var(--cyan),var(--blue));color:#04121f;border:none;font-weight:800}
.btn-primary:hover{box-shadow:0 0 20px rgba(0,212,255,.5)}
.btn-ghost-neon{color:var(--green);border-color:rgba(0,255,157,.4)}
.btn-ghost-neon:hover{box-shadow:0 0 12px rgba(0,255,157,.3)}

/* Tab导航 */
.tabs{display:flex;gap:8px;margin:20px 0}
.tab{padding:12px 22px;border-radius:10px;border:1px solid var(--line);
  background:rgba(13,23,40,.7);color:var(--muted);cursor:pointer;font-weight:600;font-size:14px;transition:.2s}
.tab.on{color:var(--cyan);border-color:var(--cyan);box-shadow:0 0 14px rgba(0,212,255,.25);background:rgba(0,212,255,.06)}
.tab .badge{background:var(--pink);color:#fff;border-radius:20px;font-size:11px;padding:1px 7px;margin-left:6px}

/* 卡片 */
.card{background:rgba(13,23,40,.75);border:1px solid var(--line);border-radius:14px;padding:20px;margin-bottom:20px}
.card h3{font-size:14px;color:var(--cyan);letter-spacing:1px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.card h3::before{content:'';width:4px;height:16px;background:var(--cyan);border-radius:2px;box-shadow:0 0 8px var(--cyan)}

/* 账号网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.acct-card{border:1px solid var(--line);border-radius:12px;padding:16px;background:linear-gradient(180deg,rgba(17,30,51,.9),rgba(10,18,32,.9));position:relative;overflow:hidden}
.acct-card::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--pink));opacity:.6}
.acct-card .plat{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.acct-card .name{font-size:15px;font-weight:700;margin:6px 0}
.acct-card .country{display:inline-block;font-size:11px;padding:2px 8px;border-radius:20px;
  background:rgba(0,212,255,.12);color:var(--cyan);border:1px solid rgba(0,212,255,.3)}
.acct-card .meta{font-size:12px;color:var(--muted);margin-top:10px}
.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}
.status-dot.active{background:var(--green);box-shadow:0 0 6px var(--green)}
.status-dot.disabled{background:var(--danger)}

/* 表格 */
table{width:100%;border-collapse:collapse}
th{font-size:12px;color:var(--muted);text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);letter-spacing:.5px}
td{padding:12px;border-bottom:1px solid rgba(28,47,74,.5);font-size:13px}
tr:hover td{background:rgba(0,212,255,.04)}

/* 表单 */
input,select,textarea{width:100%;padding:12px;background:var(--bg2);border:1px solid var(--line);
  border-radius:10px;color:var(--text);font-size:13px;font-family:inherit;outline:none;margin-bottom:12px}
input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 10px rgba(0,212,255,.2)}
label{font-size:12px;color:var(--muted);display:block;margin-bottom:6px}

/* 消息 */
.msg-item{display:flex;gap:14px;padding:14px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:rgba(17,30,51,.6)}
.msg-item .avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--pink));display:flex;align-items:center;justify-content:center;font-weight:800;color:#04121f;flex-shrink:0}
.msg-item .sender{font-weight:700;font-size:14px}
.msg-item .content{font-size:13px;color:var(--text);margin:6px 0}
.msg-item .time{font-size:11px;color:var(--muted)}
.msg-item.unread{border-color:rgba(0,212,255,.4);box-shadow:0 0 10px rgba(0,212,255,.1)}
.reply-box{display:flex;gap:8px;margin-top:8px}
.reply-box input{flex:1;margin:0}

/* 提示 */
.toast{position:fixed;bottom:24px;right:24px;padding:14px 22px;border-radius:10px;background:var(--panel2);
  border:1px solid var(--cyan);color:var(--cyan);box-shadow:0 0 20px rgba(0,212,255,.3);z-index:99;
  opacity:0;transform:translateY(20px);transition:.3s}
.toast.show{opacity:1;transform:translateY(0)}
.hidden{display:none!important}

/* ===== 侧边栏布局 ===== */
.layout{display:flex;min-height:100vh}
.sidebar{width:220px;background:transparent;border-right:1px solid var(--line);
  padding:20px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;flex-shrink:0}
.sidebar .logo{font-size:17px;padding:4px 8px}
.side-nav{flex:1;display:flex;flex-direction:column;gap:4px;margin-top:28px}
.nav-item{padding:12px 14px;border-radius:10px;color:var(--muted);text-decoration:none;cursor:pointer;
  font-size:14px;font-weight:600;display:flex;align-items:center;gap:10px;transition:.2s;border:none;background:none;text-align:left;font-family:inherit}
.nav-item:hover{color:var(--text);background:rgba(0,212,255,.06)}
.nav-item.on{color:var(--cyan);background:rgba(0,212,255,.1);box-shadow:inset 0 0 0 1px rgba(0,212,255,.35)}
.side-foot{font-size:11px;color:var(--muted);padding-top:16px;border-top:1px solid var(--line)}
.content{flex:1;padding:24px}
.page-head{margin-bottom:20px}
.page-head h2{font-size:22px;color:var(--cyan);text-shadow:0 0 14px rgba(0,212,255,.4);margin-bottom:6px}
.page-head p{color:var(--muted);font-size:13px}
@media(max-width:768px){.sidebar{width:64px}.nav-item span,.side-foot,.sidebar .logo{font-size:0}.nav-item{justify-content:center;padding:12px}}

/* ===== 登录层 ===== */
.login-overlay{position:fixed;inset:0;background:rgba(5,10,20,.92);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;z-index:999}
.login-overlay.hidden{display:none}
.login-box{width:340px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:32px;
  box-shadow:0 0 40px rgba(0,212,255,.15)}
.login-box input{margin-bottom:14px}