:root { --bg:#0f172a; --card:#1e293b; --fg:#e2e8f0; --mut:#94a3b8; --acc:#38bdf8; --danger:#fb7185; }
* { box-sizing:border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font:14px/1.5 system-ui,-apple-system,sans-serif; }
.hidden { display:none !important; }
.mut { color:var(--mut); }
.center { text-align:center; padding:18px; }
.err { color:var(--danger); margin-top:10px; min-height:20px; }

/* логин */
.login-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:16px; }
.login-card { background:var(--card); border-radius:16px; padding:32px; width:100%; max-width:380px; box-shadow:0 20px 60px rgba(0,0,0,.4); }
.login-card .logo { font-size:22px; font-weight:700; margin-bottom:6px; }
.login-card p { margin:0 0 18px; }
.login-card input { width:100%; padding:12px 14px; margin-bottom:12px; border-radius:10px; border:1px solid #334155; background:#0f172a; color:var(--fg); font-size:15px; }
.login-card input:focus { outline:2px solid var(--acc); border-color:transparent; }

/* кнопки */
.btn-primary { background:var(--acc); color:#012; border:0; border-radius:10px; padding:11px 18px; font-size:15px; font-weight:600; cursor:pointer; width:100%; }
.btn-primary:hover { filter:brightness(1.1); }
.btn-primary:disabled { opacity:.5; cursor:default; }
.btn-ghost { background:#334155; color:var(--fg); border:0; border-radius:8px; padding:7px 14px; cursor:pointer; }
.btn-danger { background:transparent; color:var(--danger); border:1px solid var(--danger); border-radius:8px; padding:7px 14px; cursor:pointer; }
.btn-danger:hover { background:var(--danger); color:#fff; }
#add-btn { width:auto; white-space:nowrap; }
.add-form { display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.add-form input { background:#0f172a; color:var(--fg); border:1px solid #334155; border-radius:8px; padding:8px 12px; font-size:13px; width:220px; }
.add-form input:focus { outline:2px solid var(--acc); border-color:transparent; }

/* шапка */
header { padding:16px 24px; display:flex; flex-wrap:wrap; gap:14px; align-items:center; border-bottom:1px solid #1e293b; }
header h1 { font-size:19px; margin:0; }
.whoami { margin-left:auto; display:flex; align-items:center; gap:12px; color:var(--acc); }
.periods button { background:#334155; color:var(--fg); border:0; border-radius:8px; padding:6px 13px; margin-right:8px; cursor:pointer; }
.periods button.on { background:var(--acc); color:#012; font-weight:600; }

/* контент */
main { padding:20px 24px 40px; max-width:1100px; margin:0 auto; }
.kpi { display:flex; gap:12px; flex-wrap:wrap; margin-bottom:18px; }
.kpi div { background:var(--card); border-radius:12px; padding:12px 18px; flex:1; min-width:140px; }
.kpi b { display:block; font-size:19px; color:var(--acc); }
.kpi span { color:var(--mut); font-size:12px; }
.card { background:var(--card); border-radius:14px; padding:18px; margin-bottom:18px; }
.card h2 { margin:0 0 4px; font-size:16px; }
.card-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.card-head h2 { margin:0; }

/* конфиги */
.cfg { padding:14px; border-bottom:1px solid #334155; }
.cfg:last-child { border-bottom:0; }
.cfg-head { display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:10px; }
.cfg-name { font-weight:600; word-break:break-all; }
.proto { display:flex; align-items:center; gap:10px; flex-wrap:wrap; padding:8px 10px; background:#162032; border-radius:10px; margin-bottom:8px; }
.proto:last-child { margin-bottom:0; }
.badge { font-size:11px; font-weight:700; letter-spacing:.5px; padding:3px 9px; border-radius:6px; }
.badge.trj { background:#f59e0b; color:#1a1200; }
.badge.vless { background:#38bdf8; color:#012; }
.proto-link { display:flex; align-items:center; gap:8px; margin-left:auto; flex-wrap:wrap; }
.proto-link a { color:var(--acc); text-decoration:none; font-size:13px; }
.proto-link a:hover { text-decoration:underline; }
.btn-copy { background:#263449; color:#cfe8ff; border:1px solid #3b4c66; border-radius:7px; padding:5px 11px; font-size:12px; cursor:pointer; }
.btn-copy:hover { background:#33465f; }
.cfg-actions { display:flex; gap:8px; }

/* таблица клиентов */
.tbl-wrap { overflow-x:auto; margin:12px 0; }
table.clients { width:100%; border-collapse:collapse; min-width:680px; }
table.clients th { text-align:left; font-size:12px; text-transform:uppercase; letter-spacing:.5px; color:var(--mut); padding:10px 12px; border-bottom:2px solid #334155; white-space:nowrap; }
table.clients td { padding:12px; border-bottom:1px solid #263449; vertical-align:middle; }
table.clients tbody tr:last-child td { border-bottom:0; }
table.clients tbody tr:hover { background:#162032; }
table.clients td:not(:first-child) { text-align:center; }
.c-desc { display:block; color:var(--mut); font-size:12px; margin-top:2px; }
.lnk { color:var(--acc); text-decoration:none; font-size:13px; white-space:nowrap; }
.lnk:hover { text-decoration:underline; }
.yes { color:#4ade80; font-size:15px; }
.no { color:#475569; font-size:15px; }
.stars { color:#fbbf24; font-weight:600; font-size:13px; white-space:nowrap; }
.small { font-size:12px; line-height:1.6; }

/* тост */
.toast { position:fixed; bottom:24px; left:50%; transform:translateX(-50%); background:#334155; color:var(--fg); padding:11px 20px; border-radius:10px; box-shadow:0 8px 30px rgba(0,0,0,.4); z-index:50; }
.toast.err { background:var(--danger); color:#fff; }

@media (max-width:600px) {
  header { padding:12px 14px; }
  main { padding:14px; }
  .kpi div { min-width:calc(50% - 6px); }
}