:root {
  --bg: #f5f5f8;
  --panel: #ffffff;
  --panel-2: #f0f0f5;
  --hover: #f3f3f8;
  --border: #e4e4eb;
  --text: #18181d;
  --muted: #6c6c7b;
  --accent: #5b5bd6;
  --accent-hover: #4b4bc6;
  --accent-soft: #ededfd;
  --accent-text: #ffffff;
  --danger: #d23c3c;
  --danger-soft: #fdeeee;
  --ok: #1f8a4c;
  --code-bg: #fff8e1;
  --code-border: #f2dc9b;
  --shadow: 0 1px 2px rgba(20, 20, 40, .06), 0 10px 30px rgba(20, 20, 40, .10);
  --radius: 10px;
  --chip-bg-l: 93%;
  --chip-fg-l: 32%;
  --top: 52px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101015;
    --panel: #17171e;
    --panel-2: #1f1f28;
    --hover: #1e1e27;
    --border: #2a2a36;
    --text: #ececf2;
    --muted: #9898a9;
    --accent: #8484f2;
    --accent-hover: #9a9aff;
    --accent-soft: #24244a;
    --accent-text: #0f0f1a;
    --danger: #f07070;
    --danger-soft: #3a1e22;
    --ok: #5cd08c;
    --code-bg: #2c2614;
    --code-border: #5a4a1c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 30px rgba(0, 0, 0, .45);
    --chip-bg-l: 24%;
    --chip-fg-l: 82%;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: var(--accent); }
code, .mono { font-family: ui-monospace, "Cascadia Mono", Consolas, "SF Mono", monospace; }
.icon { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.err { color: var(--danger); }
.ok { color: var(--ok); }
.offscreen { position: fixed; left: -9999px; top: 0; }
[hidden] { display: none !important; }
.boot { display: grid; place-items: center; height: 100vh; color: var(--muted); }

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 34px; padding: 0 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); color: var(--text);
  font-weight: 500; white-space: nowrap; transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--hover); }
.btn:disabled { opacity: .6; cursor: default; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.sm { height: 30px; padding: 0 10px; font-size: 13px; }
.btn.block { width: 100%; }
.icon-btn {
  display: inline-grid; place-items: center; width: 34px; height: 34px; flex: none;
  border: 0; border-radius: 8px; background: transparent; color: var(--muted);
}
.icon-btn:hover { background: var(--hover); color: var(--text); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

input:not([type=checkbox]), select {
  height: 36px; padding: 0 10px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel); min-width: 0;
}
input:focus, select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); margin: 0; }

.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 12px; }
.field-label { font-size: 12.5px; font-weight: 600; color: var(--muted); }
.field-hint { font-size: 12px; color: var(--muted); }
.check { display: flex; align-items: center; gap: 8px; margin: 6px 0; cursor: pointer; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.chip {
  display: inline-flex; align-items: center; max-width: 100%;
  padding: 1px 8px; border-radius: 999px; border: 0;
  font: 12px/18px ui-monospace, Consolas, monospace;
  background: hsl(var(--h, 240) 70% var(--chip-bg-l));
  color: hsl(var(--h, 240) 50% var(--chip-fg-l));
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
button.chip:hover { filter: brightness(.96); }
.badge {
  min-width: 20px; height: 20px; padding: 0 6px; border-radius: 999px;
  background: var(--accent); color: var(--accent-text);
  font-size: 11.5px; font-weight: 700; display: inline-grid; place-items: center; flex: none;
}
.count { color: var(--muted); font-size: 12px; flex: none; }

/* ---------- login ---------- */
.login-wrap { min-height: 100dvh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: min(380px, 100%); background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; box-shadow: var(--shadow);
}
.login-card h1 { margin: 10px 0 2px; font-size: 22px; }
.login-card .muted { margin: 0 0 20px; }
.login-logo {
  width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-text);
}
.login-error { color: var(--danger); min-height: 1.2em; margin: 0 0 10px; font-size: 13px; }

/* ---------- estructura ---------- */
.shell { display: flex; flex-direction: column; height: 100dvh; }
.topbar {
  height: var(--top); flex: none; display: flex; align-items: center; gap: 6px;
  padding: 0 10px 0 12px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; }
.brand-logo {
  width: 28px; height: 28px; border-radius: 8px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-text);
}
.unread-pill {
  font-size: 11.5px; font-weight: 700; background: var(--accent-soft); color: var(--accent);
  padding: 1px 8px; border-radius: 999px;
}
.top-spacer { flex: 1; }
.top-user {
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 10px;
  border: 0; border-radius: 8px; background: transparent; color: var(--muted);
}
.top-user:hover { background: var(--hover); color: var(--text); }
.top-user-name { font-weight: 600; color: var(--text); }

.main { flex: 1; min-height: 0; display: grid; grid-template-columns: 300px 390px minmax(0, 1fr); }
.sidebar {
  overflow-y: auto; background: var(--panel); border-right: 1px solid var(--border);
  padding: 12px; display: flex; flex-direction: column; gap: 6px;
}
.list-pane {
  display: flex; flex-direction: column; min-height: 0; min-width: 0;
  background: var(--panel); border-right: 1px solid var(--border);
}
.viewer { display: flex; flex-direction: column; min-height: 0; min-width: 0; background: var(--bg); }
.scrim { display: none; }
.drawer-btn, .back-btn { display: none; }

/* ---------- generador ---------- */
.card { border: 1px solid var(--border); border-radius: 12px; padding: 12px; background: var(--panel-2); }
.card-title { font-size: 11.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.gen-row {
  display: flex; align-items: stretch; height: 36px; border: 1px solid var(--border);
  border-radius: 8px; background: var(--panel); overflow: hidden;
}
.gen-row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.gen-user {
  display: flex; align-items: center; padding: 0 4px 0 10px; font-weight: 600;
  font-family: ui-monospace, Consolas, monospace; font-size: 13px; max-width: 45%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.gen-row select.gen-sep {
  height: auto; border: 0; border-radius: 0; padding: 0 2px; width: 34px; text-align: center;
  background: var(--accent-soft); color: var(--accent); font-weight: 700; box-shadow: none;
  font-family: ui-monospace, Consolas, monospace;
}
.gen-row input.gen-tag {
  flex: 1; height: auto; border: 0; border-radius: 0; box-shadow: none; padding: 0 8px;
  font-family: ui-monospace, Consolas, monospace; font-size: 13px; background: transparent;
}
.gen-domain { width: 100%; margin-top: 6px; font-family: ui-monospace, Consolas, monospace; font-size: 13px; }
.gen-out { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.gen-preview {
  flex: 1; min-width: 0; font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  color: var(--text);
}
.gen-hint { margin: 6px 0 8px; font-size: 12px; color: var(--muted); }
.gen-actions { display: flex; gap: 6px; flex-wrap: wrap; }
.gen-actions .btn { flex: 1; }

/* ---------- lista de direcciones ---------- */
.side-title {
  display: flex; justify-content: space-between; align-items: baseline;
  margin: 12px 4px 2px; font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted);
}
.addr-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 1px; }
.addr { display: flex; align-items: center; border-radius: 8px; }
.addr:hover { background: var(--hover); }
.addr.active { background: var(--accent-soft); }
.addr-main {
  flex: 1; min-width: 0; display: flex; align-items: center; gap: 10px;
  padding: 7px 4px 7px 8px; border: 0; background: transparent; text-align: left;
}
.addr-ico { color: var(--muted); display: grid; place-items: center; width: 10px; }
.addr.active .addr-ico { color: var(--accent); }
.addr-dot { width: 10px; height: 10px; border-radius: 50%; flex: none; background: hsl(var(--h, 240) 65% 58%); }
.addr-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.addr-local {
  font-family: ui-monospace, Consolas, monospace; font-size: 13px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.addr.active .addr-local { font-weight: 600; }
.addr-sub { font-size: 11.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.addr-sub:empty { display: none; }
.addr.blocked .addr-local { text-decoration: line-through; color: var(--muted); }
.addr.blocked .addr-sub { color: var(--danger); }
.addr.old .addr-local { color: var(--muted); }
.addr-more { width: 30px; height: 30px; opacity: 0; }
.addr:hover .addr-more, .addr.active .addr-more, .addr-more:focus-visible { opacity: 1; }
@media (hover: none) { .addr-more { opacity: .7; } }
.side-foot { font-size: 12px; margin: 10px 4px 0; }

/* ---------- lista de correos ---------- */
.searchbar { display: flex; align-items: center; gap: 6px; padding: 10px 10px 6px; }
.search-wrap { flex: 1; min-width: 0; position: relative; display: flex; align-items: center; }
.search-wrap .icon { position: absolute; left: 10px; color: var(--muted); pointer-events: none; }
.search-wrap input { width: 100%; padding-left: 32px; }
.chip-btn {
  height: 30px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--panel); font-size: 12.5px; color: var(--muted); white-space: nowrap;
}
.chip-btn[aria-pressed=true] { background: var(--accent-soft); color: var(--accent); border-color: transparent; font-weight: 600; }
.list-head {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  min-height: 42px; padding: 4px 6px 4px 14px; border-bottom: 1px solid var(--border);
}
.list-title { display: flex; align-items: center; gap: 8px; min-width: 0; font-weight: 600; }
.list-addr { font-family: ui-monospace, Consolas, monospace; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-actions { display: flex; align-items: center; flex: none; }
.list-scroll { flex: 1; overflow-y: auto; }
.msg-list { list-style: none; margin: 0; padding: 0; }
.msg {
  display: flex; flex-direction: column; gap: 2px; width: 100%; text-align: left;
  padding: 10px 14px 10px 18px; border: 0; border-bottom: 1px solid var(--border);
  background: transparent; position: relative;
}
.msg:hover { background: var(--hover); }
.msg.selected { background: var(--accent-soft); }
.msg.unread::before {
  content: ""; position: absolute; left: 6px; top: 16px; width: 7px; height: 7px;
  border-radius: 50%; background: var(--accent);
}
.msg-top { display: flex; align-items: baseline; gap: 8px; }
.msg-from { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg.unread .msg-from, .msg.unread .msg-subject { font-weight: 700; }
.msg-time { font-size: 12px; color: var(--muted); flex: none; }
.msg.unread .msg-time { color: var(--accent); font-weight: 600; }
.msg-subject { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg-preview {
  font-size: 12.5px; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.msg-meta { display: flex; align-items: center; gap: 8px; margin-top: 4px; min-width: 0; }
.meta-att { display: inline-flex; align-items: center; gap: 2px; font-size: 12px; color: var(--muted); }
.empty { padding: 48px 24px; text-align: center; color: var(--muted); display: flex; flex-direction: column; align-items: center; gap: 8px; }
.empty p { max-width: 300px; margin: 0; overflow-wrap: anywhere; }
.list-foot { padding: 10px; }
.list-foot:empty { display: none; }

/* ---------- visor ---------- */
.viewer-bar {
  display: flex; align-items: center; gap: 2px; height: 48px; flex: none;
  padding: 0 8px; background: var(--panel); border-bottom: 1px solid var(--border);
}
.viewer-scroll { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }
.viewer-head { padding: 18px 20px 10px; }
.viewer-subject { margin: 0 0 14px; font-size: 20px; line-height: 1.3; overflow-wrap: anywhere; }
.viewer-from { display: flex; gap: 12px; align-items: flex-start; }
.from-text { min-width: 0; overflow-wrap: anywhere; display: flex; flex-direction: column; gap: 3px; }
.from-text .small { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.avatar {
  width: 38px; height: 38px; border-radius: 50%; flex: none; display: grid; place-items: center;
  font-weight: 700; background: hsl(var(--h, 240) 60% var(--chip-bg-l)); color: hsl(var(--h, 240) 50% var(--chip-fg-l));
}
.code-box {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 0 20px 10px; padding: 10px 12px;
  border-radius: var(--radius); background: var(--code-bg); border: 1px solid var(--code-border);
}
.code-box .code { font-family: ui-monospace, Consolas, monospace; font-size: 18px; letter-spacing: .12em; }
.code-box .btn { margin-left: auto; }
.body-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 0 20px 10px; }
.body-bar > .muted { display: inline-flex; align-items: center; gap: 4px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.seg button { border: 0; background: var(--panel); padding: 4px 10px; font-size: 12.5px; color: var(--muted); }
.seg button[aria-pressed=true] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.attachments { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 20px 12px; }
.att {
  display: inline-flex; align-items: center; gap: 6px; max-width: 100%;
  padding: 6px 10px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel); color: var(--text); text-decoration: none;
}
.att:hover { border-color: var(--accent); }
.att-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 260px; }
.mail-body { flex: 1; display: flex; min-height: 420px; padding: 0 16px 16px; }
.mail-frame { flex: 1; width: 100%; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.mail-text {
  flex: 1; margin: 0; padding: 16px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); white-space: pre-wrap; overflow-wrap: anywhere;
  font: 13.5px/1.55 ui-monospace, Consolas, monospace;
}
.viewer-empty {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 6px; padding: 24px; text-align: center; color: var(--muted);
}
.viewer-empty h3 { margin: 8px 0 4px; color: var(--text); }
.viewer-empty p { margin: 0; max-width: 420px; }
.addr-big {
  display: inline-flex; align-items: center; gap: 8px; margin: 6px 0 14px; padding: 8px 14px;
  border-radius: 10px; border: 1px dashed var(--accent); background: var(--accent-soft); color: var(--accent);
  font: 600 15px ui-monospace, Consolas, monospace; overflow-wrap: anywhere;
}

/* ---------- menús, diálogos, avisos ---------- */
.menu {
  position: fixed; z-index: 100; min-width: 220px; max-width: calc(100vw - 16px); padding: 4px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px; box-shadow: var(--shadow);
}
.menu hr { border: 0; border-top: 1px solid var(--border); margin: 4px 0; }
.menu hr:last-child, .menu hr:first-child { display: none; }
.menu-item {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 8px 10px;
  border: 0; border-radius: 6px; background: transparent; text-align: left; color: var(--text);
}
.menu-item .icon { color: var(--muted); }
.menu-item:hover, .menu-item:focus-visible { background: var(--hover); outline: none; }
.menu-item.danger, .menu-item.danger .icon { color: var(--danger); }
.menu-item.danger:hover { background: var(--danger-soft); }

.dlg {
  width: min(440px, calc(100vw - 24px)); max-height: calc(100dvh - 24px); padding: 0;
  border: 1px solid var(--border); border-radius: 14px; background: var(--panel); color: var(--text);
  box-shadow: var(--shadow);
}
.dlg.wide { width: min(680px, calc(100vw - 24px)); }
.dlg::backdrop { background: rgba(10, 10, 20, .45); }
.dlg-form { display: flex; flex-direction: column; max-height: calc(100dvh - 26px); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 12px 4px 20px; }
.dlg-head h2 { margin: 0; font-size: 17px; overflow-wrap: anywhere; }
.dlg-body { padding: 8px 20px; overflow-y: auto; }
.dlg-body > p { margin-top: 0; }
.dlg-error { color: var(--danger); font-size: 13px; margin: 4px 0 0; min-height: 0; }
.dlg-error:empty { display: none; }
.dlg-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 20px 16px; }

.set-sec { padding: 4px 0 14px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.set-sec:last-child { border-bottom: 0; margin-bottom: 0; }
.set-sec h3 { display: flex; align-items: center; gap: 6px; font-size: 14px; margin: 4px 0 12px; }
.set-sec h4 { font-size: 13px; margin: 16px 0 8px; }
.set-sec p { margin: 4px 0; }
.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 10px; align-items: end; }
.grid3 .check { margin-bottom: 20px; }
.tag-admin {
  margin-left: 6px; padding: 0 6px; border-radius: 999px; font-size: 11px; font-weight: 700;
  background: var(--accent-soft); color: var(--accent); vertical-align: middle;
}
.table-wrap { overflow-x: auto; }
.utable { width: 100%; border-collapse: collapse; font-size: 13px; }
.utable th { text-align: left; font-size: 11.5px; color: var(--muted); font-weight: 600; padding: 4px 8px; border-bottom: 1px solid var(--border); }
.utable td { padding: 4px 8px; border-bottom: 1px solid var(--border); }
.utable .num { text-align: right; white-space: nowrap; }
.utable .acts { width: 40px; text-align: right; }

#toasts {
  position: fixed; z-index: 200; left: 50%; bottom: 18px; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px; pointer-events: none;
  width: max-content; max-width: calc(100vw - 24px);
}
.toast {
  padding: 9px 16px; border-radius: 10px; background: #26262f; color: #fff; font-size: 13.5px;
  box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); transition: opacity .2s, transform .2s;
  max-width: 100%; overflow-wrap: anywhere;
}
.toast.in { opacity: 1; transform: none; }
.toast.error { background: var(--danger); }
.toast.new { background: var(--accent); color: var(--accent-text); }

/* ---------- responsive ---------- */
@media (min-width: 1000px) and (max-width: 1279px) {
  .main { grid-template-columns: 260px 330px minmax(0, 1fr); }
}

@media (max-width: 999px) {
  .main { grid-template-columns: minmax(0, 1fr); }
  .drawer-btn { display: inline-grid; }
  .sidebar {
    position: fixed; z-index: 40; top: var(--top); bottom: 0; left: 0; width: min(330px, 88vw);
    transform: translateX(-102%); transition: transform .2s ease; box-shadow: var(--shadow);
  }
  .drawer-open .sidebar { transform: none; }
  .scrim { position: fixed; inset: var(--top) 0 0 0; z-index: 35; background: rgba(10, 10, 20, .4); }
  .drawer-open .scrim { display: block; }
  .list-pane { border-right: 0; }
  .viewer { display: none; }
  .show-viewer .viewer { display: flex; position: fixed; z-index: 30; inset: var(--top) 0 0 0; }
  .back-btn { display: inline-grid; }
  .viewer-head { padding: 14px 14px 8px; }
  .viewer-subject { font-size: 18px; }
  .code-box { margin: 0 14px 10px; }
  .body-bar, .attachments { padding-left: 14px; padding-right: 14px; }
  .mail-body { padding: 0 8px 8px; }
  .grid3 { grid-template-columns: minmax(0, 1fr); }
  .grid3 .check { margin-bottom: 8px; }
}

@media (max-width: 480px) {
  .top-user-name { display: none; }
  .chip-btn { padding: 0 8px; }
}