* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif; background: #f4f6f8; color: #1f2933; }
.mono { font-family: Consolas, Menlo, monospace; }
.muted { color: #9aa5b1; }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: #fff; padding: 32px; border-radius: 12px; box-shadow: 0 8px 30px rgba(0,0,0,.08); width: 360px; max-width: 92vw; }
.login-title { margin: 0 0 4px; font-size: 22px; }
.login-sub { margin: 0 0 20px; color: #7b8794; font-size: 14px; }
.login-card label { display: block; font-size: 13px; margin: 12px 0 4px; color: #52606d; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid #cbd2d9; border-radius: 8px; font-size: 15px; }

/* Buttons */
.btn { display: inline-block; border: 0; border-radius: 8px; padding: 9px 16px; font-size: 14px; cursor: pointer; text-decoration: none; color: #fff; background: #3e4c59; }
.btn-primary { background: #2563eb; }
.btn-ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn-block { width: 100%; margin-top: 20px; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn:disabled { opacity: .55; cursor: default; }

/* Alerts */
.alert { padding: 12px 14px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; }
.alert-error { background: #fde8e8; color: #9b1c1c; }
.alert-info { background: #e6f0ff; color: #1e429f; }

/* Topbar */
.topbar { background: #1f2933; color: #fff; }
.topbar-in { max-width: 1040px; margin: 0 auto; display: flex; align-items: center; gap: 12px; padding: 12px 16px; }
.topbar .brand { font-weight: 600; }
.topbar .spacer { flex: 1; }
.topbar .who { font-size: 13px; opacity: .85; }

/* Layout */
.wrap { max-width: 1040px; margin: 22px auto; padding: 0 16px; }
.summary { display: flex; gap: 14px; margin-bottom: 18px; }
.stat { background: #fff; border-radius: 10px; padding: 14px 20px; box-shadow: 0 2px 8px rgba(0,0,0,.05); text-align: center; min-width: 110px; }
.stat .num { display: block; font-size: 26px; font-weight: 700; }
.stat .num.online { color: #057a55; }
.stat .num.offline { color: #9aa5b1; }
.stat .lbl { font-size: 12px; color: #7b8794; }

/* Grid */
.grid { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.05); }
.grid th, .grid td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #eef1f4; font-size: 14px; vertical-align: top; }
.grid th { background: #f8fafc; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: #7b8794; }
.badge { color: #fff; padding: 3px 9px; border-radius: 20px; font-size: 12px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 4px; }
.dot-on { background: #0e9f6e; }
.dot-off { background: #cbd2d9; }

/* Adisyon box */
.adisyon-box { margin-top: 10px; }
.adisyon-load { color: #7b8794; font-size: 13px; }
.adisyon-err { color: #9b1c1c; font-size: 13px; }
.adisyon-empty { color: #7b8794; font-size: 13px; }
.adisyon-foot { font-size: 12px; color: #7b8794; margin-top: 6px; }
.mini { width: 100%; border-collapse: collapse; margin-top: 6px; }
.mini th, .mini td { padding: 6px 8px; border-bottom: 1px solid #eef1f4; font-size: 13px; text-align: left; }
.mini th { color: #7b8794; font-size: 11px; text-transform: uppercase; }