:root {
  color-scheme: dark;
  --bg: #08110e;
  --panel: #0e1b17;
  --line: #20362e;
  --text: #f3f7f5;
  --muted: #9cb2a9;
  --green: #74e6a5;
  --green-strong: #2fd780;
}
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 75% 0%, #153328 0, transparent 35%), var(--bg); color: var(--text); font: 16px/1.55 Inter, ui-sans-serif, system-ui, sans-serif; }
.shell { width: min(960px, calc(100% - 32px)); margin: auto; padding: 26px 0 36px; }
header { display: flex; justify-content: space-between; align-items: center; }
.brand { display: flex; gap: 10px; align-items: center; font-weight: 750; letter-spacing: -.02em; }
.mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--green); color: #07130e; }
.status { color: var(--muted); font-size: 13px; }
.status i { display: inline-block; width: 7px; height: 7px; margin-right: 7px; border-radius: 50%; background: var(--green-strong); box-shadow: 0 0 16px var(--green); }
.hero { padding: 76px 0 42px; }
.eyebrow, .label { color: var(--green); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
h1 { max-width: 760px; margin: 10px 0 20px; font-size: clamp(42px, 7vw, 78px); line-height: .98; letter-spacing: -.06em; }
h1 span { color: var(--green); }
.intro { max-width: 600px; color: var(--muted); font-size: 18px; }
.mailbox { overflow: hidden; border: 1px solid var(--line); border-radius: 24px; background: rgba(14, 27, 23, .86); box-shadow: 0 28px 80px #0007; }
.empty-state { padding: 58px 24px; text-align: center; }
.envelope { display: grid; place-items: center; width: 58px; height: 58px; margin: 0 auto 18px; border: 1px solid #315346; border-radius: 18px; color: var(--green); background: #14261f; font-size: 24px; }
h2 { margin: 0 0 6px; font-size: 26px; letter-spacing: -.03em; }
.empty-state p, .waiting p { margin: 0; color: var(--muted); }
button { border: 0; border-radius: 12px; font: inherit; font-weight: 750; cursor: pointer; }
.primary { padding: 13px 23px; background: var(--green); color: #07130e; }
.primary:hover { background: #96f0bd; }
.create-panel { width: min(720px, 100%); margin: 28px auto 0; }
.custom-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.mail-field { display: flex; min-width: 0; overflow: hidden; border: 1px solid #315346; border-radius: 12px; background: #091510; text-align: left; }
.mail-field:focus-within { border-color: var(--green); box-shadow: 0 0 0 3px #74e6a51c; }
.mail-field input { min-width: 0; flex: 1; padding: 13px 15px; border: 0; outline: 0; color: var(--text); background: transparent; font: inherit; }
.mail-field input::placeholder { color: #6f857c; }
.domain-select { min-width: 205px; padding: 0 36px 0 15px; border: 0; border-left: 1px solid var(--line); outline: 0; color: #c8d8d1; background: #102019; font: inherit; cursor: pointer; }
.random-button { width: 100%; margin-top: 10px; padding: 12px; border: 1px solid #31654e; color: #07130e; background: var(--green-strong); }
.random-button:hover { background: var(--green); }
.form-error { min-height: 21px; padding-top: 8px; color: #ff9e9e !important; font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.inbox-state { padding: 26px; }
.hidden { display: none !important; }
.address-row { display: flex; gap: 20px; justify-content: space-between; align-items: center; }
.address-row strong { display: block; margin-top: 6px; font-size: clamp(19px, 4vw, 30px); letter-spacing: -.025em; overflow-wrap: anywhere; }
.secondary { flex: 0 0 auto; padding: 10px 15px; color: var(--text); background: #1b3028; border: 1px solid #315346; }
.timer-row { display: flex; gap: 14px; align-items: center; margin-top: 22px; padding: 12px 0 20px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 13px; }
#timer { color: var(--green); font-variant-numeric: tabular-nums; font-weight: 800; }
.link-button { margin-left: auto; padding: 0; color: var(--green); background: transparent; }
.message-list { padding-top: 18px; }
.waiting { display: flex; gap: 16px; align-items: center; padding: 24px 4px; }
.spinner { width: 22px; height: 22px; border: 2px solid #29483b; border-top-color: var(--green); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.message { margin-top: 12px; padding: 18px; border: 1px solid var(--line); border-radius: 16px; background: #0a1612; }
.message-head { display: flex; gap: 12px; justify-content: space-between; color: var(--muted); font-size: 13px; }
.message h3 { margin: 9px 0; font-size: 18px; }
.codes { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.code { padding: 8px 12px; border-radius: 10px; color: #07130e; background: var(--green); font: 800 21px/1 ui-monospace, monospace; letter-spacing: .08em; }
.body { max-height: 220px; overflow: auto; margin: 12px 0 0; padding-top: 12px; border-top: 1px solid var(--line); color: #c9d6d1; white-space: pre-wrap; word-break: break-word; font-size: 14px; }
footer { padding-top: 22px; color: #71877e; text-align: center; font-size: 12px; }
@media (max-width: 600px) { .hero { padding-top: 56px; } .status { display: none; } .inbox-state { padding: 19px; } .address-row { align-items: flex-start; } .timer-row { flex-wrap: wrap; } .link-button { width: 100%; margin: 4px 0 0; text-align: left; } .custom-form { grid-template-columns: 1fr; } .domain-select { min-width: 155px; padding-left: 10px; font-size: 13px; } }