* { box-sizing: border-box; margin: 0; padding: 0; }
:root { --bg:#0a0a0b; --card:#141416; --line:#26262b; --muted:#8a8a92; --txt:#ececf0; --amber:#f0c040; --amber2:#e08020; --green:#1fc26b; --red:#ef4444; }
body { background: var(--bg); color: var(--txt); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; min-height: 100vh; }
.hidden { display: none !important; }

/* cards centrais (login / mfa) */
.card { max-width: 380px; margin: 8vh auto; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 32px 28px; }
.card h1 { font-size: 22px; margin-bottom: 6px; }
.adm { background: linear-gradient(135deg, var(--amber), var(--amber2)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; font-weight: 800; }
.sub { color: var(--muted); font-size: 14px; line-height: 1.5; margin-bottom: 18px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 12px; line-height: 1.5; }
code { color: var(--amber); font-family: ui-monospace, Menlo, monospace; word-break: break-all; }

.field { width: 100%; padding: 12px 14px; background: #0e0e10; border: 1px solid var(--line); border-radius: 10px; color: var(--txt); font-size: 15px; outline: none; }
.field:focus { border-color: var(--amber); }
.field.code { text-align: center; letter-spacing: 8px; font-size: 22px; font-family: ui-monospace, Menlo, monospace; }
.field.search { width: 240px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%; margin-top: 12px; padding: 12px 16px; border: 1px solid var(--line); border-radius: 10px; background: #1c1c20; color: var(--txt); font-size: 15px; font-weight: 600; cursor: pointer; }
.btn:hover { border-color: #3a3a42; }
.btn.primary { background: linear-gradient(135deg, var(--amber), var(--amber2)); color: #1a1208; border: none; }
.btn.ghost { background: transparent; }
.btn.danger { background: var(--red); border: none; color: #fff; }
.btn.sm { width: auto; margin: 0; padding: 7px 12px; font-size: 13px; }
.btn:disabled { opacity: .6; cursor: default; }

.msg { margin-top: 10px; font-size: 13px; min-height: 18px; }
.msg.ok { color: var(--green); } .msg.err { color: var(--red); }
.qr { display: flex; justify-content: center; margin: 8px 0; }
.qr svg, .qr img { width: 196px; height: 196px; background: #fff; border-radius: 10px; padding: 8px; }

/* app */
#app { max-width: 1080px; margin: 0 auto; padding: 22px 18px 60px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.brand { font-size: 18px; font-weight: 800; }
.topright { display: flex; align-items: center; gap: 12px; }
.who { color: var(--muted); font-size: 13px; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 20px 0; }
.stat { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stat .k { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.stat .v { font-size: 22px; font-weight: 700; }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.panel-head h2 { font-size: 17px; }
.table-wrap { overflow-x: auto; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.tbl td { padding: 10px; border-bottom: 1px solid #1c1c20; vertical-align: middle; }
.tbl td.email { font-weight: 600; }
.tbl .empty { text-align: center; color: var(--muted); padding: 28px; }
.badge { font-size: 11.5px; padding: 3px 9px; border-radius: 999px; font-weight: 600; }
.badge.on { background: rgba(31,194,107,.15); color: var(--green); }
.badge.off { background: #232329; color: var(--muted); }
.acts { display: flex; gap: 6px; white-space: nowrap; }
.mini { padding: 5px 9px; font-size: 12px; border: 1px solid var(--line); border-radius: 7px; background: #1c1c20; color: var(--txt); cursor: pointer; }
.mini:hover { border-color: #3a3a42; }
.mini.danger { color: #ff8585; border-color: #50232a; }

/* modal + toast */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 50; }
.modal-box { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 24px; max-width: 380px; }
.modal-box p { line-height: 1.5; margin-bottom: 18px; }
.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { margin: 0; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); padding: 12px 20px; border-radius: 10px; font-size: 14px; z-index: 60; }
.toast.ok { background: var(--green); color: #04130a; } .toast.err { background: var(--red); color: #fff; }

@media (max-width: 680px) { .stats { grid-template-columns: repeat(2, 1fr); } .field.search { width: 100%; } }