:root {
  --bg: #0a0a0c;
  --bg-soft: #101014;
  --panel: #14141a;
  --panel-2: #191920;
  --line: #26262f;
  --line-soft: #1e1e26;
  --fg: #ecedf1;
  --fg-dim: #8b8d99;
  --fg-faint: #5c5e6a;
  --accent: #6366f1;
  --accent-soft: #6366f11a;
  --ok: #22c55e;
  --danger: #ef4444;
  --warn: #f59e0b;
  --radius: 12px;
  --radius-sm: 8px;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

html[data-theme="light"] {
  --bg: #f7f7f9;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-2: #f2f2f5;
  --line: #e2e2e8;
  --line-soft: #ececf1;
  --fg: #16161b;
  --fg-dim: #6b6d78;
  --fg-faint: #9a9ca6;
  --accent: #4f46e5;
  --accent-soft: #4f46e514;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* the hidden attribute must beat any display rule below */
[hidden] { display: none !important; }

body {
  background: var(--bg);
  color: var(--fg);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

.dim { color: var(--fg-dim); }
code, pre { font-family: var(--mono); }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select { font: inherit; }

/* ── shell ──────────────────────────────────────────────────────── */

.header {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 20px;
  padding: 12px 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line-soft);
}

.brand { display: flex; align-items: center; gap: 9px; }
.brand-mark {
  display: grid; place-items: center;
  width: 26px; height: 26px; border-radius: 7px;
  background: var(--accent); color: #fff;
  font-weight: 700; font-size: 14px;
}
.brand-name { font-weight: 600; letter-spacing: -0.01em; }

.nav { display: flex; gap: 4px; }
.nav-link {
  padding: 6px 12px; border-radius: 999px;
  color: var(--fg-dim); font-size: 14px;
}
.nav-link:hover { color: var(--fg); background: var(--panel-2); }
.nav-link.is-active { color: var(--fg); background: var(--panel-2); }

.header-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.pill {
  font: 12px/1 var(--mono);
  padding: 6px 10px; border-radius: 999px;
  background: var(--panel-2); color: var(--fg-dim);
  border: 1px solid var(--line-soft);
}

.icon-btn {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: var(--radius-sm);
  color: var(--fg-dim); border: 1px solid transparent;
}
.icon-btn:hover { color: var(--fg); background: var(--panel-2); border-color: var(--line); }
.icon-btn.sm { width: 26px; height: 26px; }
.icon-btn.danger:hover { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, transparent); }

.main { max-width: 1160px; margin: 0 auto; padding: 28px 20px 80px; }
.page { display: none; }
.page.is-active { display: block; }

/* ── hero ───────────────────────────────────────────────────────── */

.hero { padding: 40px 0 8px; text-align: center; }
.hero h1 {
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.1; letter-spacing: -0.03em; font-weight: 680;
}
.hero > p { margin: 14px auto 30px; max-width: 520px; }

.create-card {
  max-width: 620px; margin: 0 auto;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px; text-align: left;
  box-shadow: 0 24px 60px -30px #00000080;
}
.card-top { display: flex; align-items: center; gap: 8px; font-size: 13px; margin-bottom: 12px; }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }

.create-form { display: flex; gap: 8px; flex-wrap: wrap; }
.field {
  flex: 1 1 260px; display: flex; align-items: center;
  background: var(--panel-2); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 0 10px; min-height: 42px;
}
.field:focus-within { border-color: var(--accent); }
.field input {
  flex: 1; min-width: 60px; background: none; border: none; outline: none;
  color: var(--fg); padding: 11px 0;
}
.field .at { color: var(--fg-faint); margin: 0 6px; }
.field select {
  background: none; border: none; outline: none;
  color: var(--fg-dim); padding: 11px 0; max-width: 190px;
}
.field select option { background: var(--panel); color: var(--fg); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 42px; padding: 0 18px; border-radius: var(--radius-sm);
  background: var(--panel-2); border: 1px solid var(--line);
  font-weight: 550; font-size: 14px; white-space: nowrap;
}
.btn:hover { border-color: var(--fg-faint); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { filter: brightness(1.1); }
.btn.primary:disabled { opacity: .6; cursor: default; filter: none; }
.btn.ghost { background: transparent; }
.btn.sm { min-height: 32px; padding: 0 12px; font-size: 13px; }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover { filter: brightness(1.1); }

.spinner {
  width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid #ffffff55; border-top-color: #fff;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.error { color: var(--danger); font-size: 13px; margin-top: 10px; }

/* ── dashboard ──────────────────────────────────────────────────── */

.dashboard { margin-top: 32px; display: grid; gap: 14px; }

.address-bar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 12px 14px;
}
.address-main { display: flex; align-items: center; gap: 8px; min-width: 0; }
.address-main code {
  font-size: 14px; color: var(--fg);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.address-actions { margin-left: auto; display: flex; align-items: center; gap: 6px; }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, transparent);
  padding: 5px 10px; border-radius: 999px;
}
.pulse { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); animation: pulse 1.8s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.switcher {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.switcher-head {
  display: flex; justify-content: space-between;
  padding: 10px 14px; font-size: 13px; color: var(--fg-dim);
  border-bottom: 1px solid var(--line-soft);
}
.switcher-list { max-height: 156px; overflow-y: auto; }
.switcher-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 14px; font: 13px/1 var(--mono);
  border-bottom: 1px solid var(--line-soft); cursor: pointer;
}
.switcher-item:last-child { border-bottom: none; }
.switcher-item:hover { background: var(--panel-2); }
.switcher-item.is-active { background: var(--accent-soft); border-left: 2px solid var(--accent); }
.switcher-item span { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.switcher-item .del { opacity: 0; }
.switcher-item:hover .del { opacity: 1; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.toolbar input[type="search"] {
  flex: 1 1 240px; min-height: 38px; padding: 0 12px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-sm); color: var(--fg); outline: none;
}
.toolbar input[type="search"]:focus { border-color: var(--accent); }
.chips { display: flex; gap: 6px; }
.chip {
  padding: 8px 13px; border-radius: 999px; font-size: 13px;
  color: var(--fg-dim); border: 1px solid var(--line); background: var(--panel);
}
.chip:hover { color: var(--fg); }
.chip.is-active { background: var(--accent); border-color: var(--accent); color: #fff; }

.split {
  display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  gap: 14px; align-items: start;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }

.list {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; min-height: 220px;
}

.empty { padding: 46px 20px; text-align: center; }
.empty-icon { font-size: 26px; opacity: .45; margin-bottom: 10px; }
.empty-title { font-weight: 550; }
.empty-desc { color: var(--fg-dim); font-size: 13px; margin-top: 4px; }

.skeleton { padding: 14px; display: grid; gap: 10px; }
.skeleton i {
  display: block; height: 46px; border-radius: var(--radius-sm);
  background: linear-gradient(90deg, var(--panel-2) 25%, var(--line-soft) 50%, var(--panel-2) 75%);
  background-size: 200% 100%; animation: shimmer 1.3s linear infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.email {
  padding: 11px 14px; border-bottom: 1px solid var(--line-soft);
  cursor: pointer; display: grid; gap: 3px;
}
.email:last-child { border-bottom: none; }
.email:hover { background: var(--panel-2); }
.email.is-active { background: var(--accent-soft); box-shadow: inset 2px 0 0 var(--accent); }
.email-top { display: flex; gap: 8px; align-items: baseline; }
.email-from { font-size: 13px; font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.email-time { margin-left: auto; font-size: 11px; color: var(--fg-faint); flex: none; }
.email-subject { font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.email-preview { font-size: 12.5px; color: var(--fg-dim); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.email-otp {
  justify-self: start; margin-top: 3px;
  font: 11px/1 var(--mono); padding: 3px 7px; border-radius: 5px;
  background: color-mix(in srgb, var(--warn) 16%, transparent); color: var(--warn);
}

.reader {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); min-height: 320px;
}
.reader-head { padding: 14px; border-bottom: 1px solid var(--line-soft); display: grid; gap: 10px; }
.reader-subject { font-weight: 600; font-size: 15px; }
.reader-from, .reader-date { font-size: 12.5px; }
.otp {
  margin: 14px; padding: 14px; border-radius: var(--radius-sm);
  background: var(--accent-soft); border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.otp-label { font-size: 12px; color: var(--fg-dim); }
.otp-code { font-size: 24px; font-weight: 700; letter-spacing: .12em; flex: 1; }
.reader-body {
  padding: 16px; white-space: pre-wrap; word-break: break-word;
  font-size: 14px; color: var(--fg);
}

/* ── docs ───────────────────────────────────────────────────────── */

.docs { max-width: 760px; margin: 0 auto; }
.docs h1 { font-size: 28px; letter-spacing: -0.02em; margin-bottom: 8px; }
.docs h2 { font-size: 15px; margin: 26px 0 6px; font-family: var(--mono); color: var(--accent); }
.docs p { color: var(--fg-dim); margin-bottom: 10px; }
.docs ul { color: var(--fg-dim); padding-left: 20px; display: grid; gap: 6px; }
.docs code.inline {
  background: var(--panel-2); border: 1px solid var(--line-soft);
  padding: 1px 6px; border-radius: 5px; font-size: 12.5px; color: var(--fg);
}
.docs pre {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius-sm); padding: 12px 14px; overflow-x: auto;
  font-size: 12.5px; color: var(--fg);
}
.docs pre code { white-space: pre; }
.docs .u { color: var(--fg-faint); }

/* ── toasts + modal ─────────────────────────────────────────────── */

.toasts {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: grid; gap: 8px; z-index: 60; pointer-events: none;
}
.toast {
  padding: 9px 15px; border-radius: 999px; font-size: 13px;
  background: var(--panel-2); border: 1px solid var(--line); color: var(--fg);
  animation: rise .18s ease-out;
}
.toast.ok { border-color: color-mix(in srgb, var(--ok) 50%, transparent); }
.toast.err { border-color: color-mix(in srgb, var(--danger) 50%, transparent); }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } }

.modal {
  position: fixed; inset: 0; z-index: 70;
  display: grid; place-items: center; padding: 20px;
  background: #000000a8; backdrop-filter: blur(3px);
}
.modal-card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; max-width: 400px; width: 100%;
}
.modal-card h3 { font-size: 16px; margin-bottom: 8px; }
.modal-card p { color: var(--fg-dim); font-size: 13.5px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }