:root { color-scheme: light; font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: grid; place-items: center; background: #f5f7fa; color: #1d2633; }
.card { width: min(100% - 32px, 460px); padding: 36px; background: white; border: 1px solid #e8edf1; border-radius: 16px; box-shadow: 0 16px 45px #233a5010; }
.wide { width: min(100% - 32px, 660px); }
.admin-wide { width: min(100% - 32px, 920px); margin: 32px 0; }
.brand { color: #133e43; font-weight: 800; text-decoration: none; letter-spacing: -.03em; }
.eyebrow { margin: 32px 0 4px; color: #177c73; font-size: 12px; font-weight: 700; letter-spacing: .14em; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 12px; }
.muted { color: #607080; line-height: 1.65; }
.small { font-size: 13px; }
form { display: grid; gap: 10px; margin: 28px 0 12px; }
label { font-size: 13px; font-weight: 700; }
input, select { min-height: 46px; padding: 0 14px; border: 1px solid #bccbd2; border-radius: 8px; background: white; font: inherit; }
input:focus, select:focus { outline: 2px solid #58bab0; outline-offset: 1px; }
button { min-height: 46px; background: #176c66; color: #fff; border: 0; border-radius: 8px; font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { opacity: .65; cursor: wait; }
[hidden] { display: none !important; }
.invite-actions { display: grid; gap: 14px; margin: 24px 0; }
.primary-link { display: grid; place-items: center; min-height: 46px; padding: 10px 14px; border-radius: 8px; background: #176c66; color: white; font-weight: 700; text-align: center; text-decoration: none; }
.result { min-height: 22px; font-size: 14px; }
.campaigns { display: grid; gap: 16px; margin: 26px 0; }
.campaign { border: 1px solid #e2e9ed; border-radius: 12px; padding: 18px; }
.campaign h2 { margin: 0 0 10px; font-size: 17px; }
.campaign p { margin: 7px 0; overflow-wrap: anywhere; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.copy { min-height: 32px; padding: 0 11px; background: #e5f4f1; color: #176c66; font-size: 12px; }
.earnings { margin: 26px 0; }
.earnings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 18px; }
.earning-tile { display: grid; gap: 10px; padding: 18px; border: 1px solid #e2e9ed; border-radius: 12px; }
.earning-tile strong { font-size: 18px; overflow-wrap: anywhere; }
.admin-panel { padding: 22px 0; border-top: 1px solid #e2e9ed; }
.admin-panel[hidden] { display: none; }
.admin-panel h2 { font-size: 19px; margin: 0 0 8px; }
.admin-form { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.admin-form .form-heading { grid-column: 1 / -1; margin: 14px 0 0; font-size: 16px; }
.admin-form label { display: grid; gap: 7px; }
.admin-form .form-note { grid-column: 1 / -1; margin: 0 0 4px; }
.admin-form button { grid-column: 1 / -1; }
.steps { padding-left: 22px; line-height: 1.8; }
.steps li { margin: 8px 0; }
a { color: #176c66; }
@media (max-width: 520px) { .card { padding: 24px; } .earnings-grid { grid-template-columns: 1fr; } }
@media (max-width: 640px) { .admin-form { grid-template-columns: 1fr; } }