:root{
  --bg:#f4f7fb;
  --card:#ffffff;
  --card-soft:#f8fafc;
  --text:#101827;
  --muted:#667085;
  --line:#e5eaf2;
  --primary:#2457f5;
  --primary-dark:#1d46c9;
  --danger:#e03131;
  --success:#138a44;
  --shadow:0 18px 50px rgba(16,24,39,.08);
  --radius:22px;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
input{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 15px;outline:none;color:var(--text);transition:.18s}
input:focus{border-color:rgba(36,87,245,.55);box-shadow:0 0 0 4px rgba(36,87,245,.10)}
small{display:block;color:var(--muted);font-size:12px;line-height:1.45;margin-top:7px}.full-row{grid-column:1/-1}
.brand-badge{display:inline-grid;place-items:center;width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#123adf,#2b69ff);color:white;font-weight:900;letter-spacing:.4px;box-shadow:0 12px 30px rgba(36,87,245,.25)}.brand-badge.small{width:42px;height:42px;border-radius:13px;font-size:14px}
.login-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top left,rgba(36,87,245,.16),transparent 34%),var(--bg)}
.login-panel{width:min(440px,100%);background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:34px}.login-panel h1{margin:18px 0 6px;font-size:29px}.login-panel p{margin:0 0 24px;color:var(--muted)}
.form-stack{display:grid;gap:16px}.form-stack label{font-weight:750;color:#253044}.form-stack label input{margin-top:8px}.btn{border:0;border-radius:14px;padding:12px 17px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.15s;white-space:nowrap}.btn:hover{transform:translateY(-1px)}.btn.primary{background:var(--primary);color:white;box-shadow:0 12px 24px rgba(36,87,245,.20)}.btn.primary:hover{background:var(--primary-dark)}.btn.secondary{background:#eef3ff;color:#2444a4}.btn.danger{background:var(--danger);color:white}.btn.tiny{font-size:12px;padding:8px 10px;border-radius:10px;background:#edf2f7;color:#334155}.btn.danger-outline{background:#fff1f1;color:#c92a2a}.btn.block{width:100%}
.alert{border-radius:16px;padding:13px 16px;border:1px solid var(--line);background:#fff;color:#344054}.alert.success{background:#ecfdf3;color:#067647;border-color:#abeac3}.alert.danger{background:#fff1f1;color:#c92a2a;border-color:#ffc9c9}.topbar{height:76px;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,48px);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:13px}.brand strong{display:block;font-size:17px}.brand small{display:block;margin:1px 0 0;color:var(--muted);font-weight:650}.nav-actions{display:flex;align-items:center;gap:8px}.nav-actions a{padding:10px 12px;border-radius:12px;color:#344054;font-weight:800}.nav-actions a.active,.nav-actions a:hover{background:#eef3ff;color:#2444a4}
.mail-layout{display:grid;grid-template-columns:380px minmax(0,1fr);gap:22px;padding:22px clamp(14px,3vw,38px) 34px}.sidebar-card,.message-panel,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.sidebar-card{height:calc(100vh - 120px);min-height:620px;display:flex;flex-direction:column;overflow:hidden}.quick-create{padding:20px;border-bottom:1px solid var(--line)}.section-title span,.eyebrow{display:block;text-transform:uppercase;letter-spacing:.12em;font-size:11px;font-weight:900;color:var(--primary);margin-bottom:4px}.section-title b{font-size:22px}.create-mini{display:grid;grid-template-columns:1fr auto;gap:10px;margin-top:14px}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:15px 18px;background:var(--card-soft);border-bottom:1px solid var(--line)}.stats-row div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px;text-align:center}.stats-row b{display:block;font-size:20px}.stats-row span{font-size:12px;color:var(--muted);font-weight:750}.search-box{padding:15px 18px;border-bottom:1px solid var(--line)}.alias-list{padding:10px;overflow:auto;display:grid;gap:8px}.alias-item{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:12px;align-items:center;padding:12px;border:1px solid transparent;border-radius:18px;transition:.15s}.alias-item:hover{background:#f7faff}.alias-item.selected{background:#eef4ff;border-color:#cfe0ff}.alias-item.blocked{opacity:.63}.alias-icon{width:42px;height:42px;border-radius:14px;background:#eaf0ff;color:#2457f5;display:grid;place-items:center;font-weight:900}.alias-main{min-width:0}.alias-main strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}.alias-main small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin:2px 0;color:#667085}.alias-main em{display:block;font-style:normal;font-size:12px;color:#98a2b3;font-weight:750}.badge{background:var(--primary);color:white;border-radius:999px;min-width:23px;height:23px;display:grid;place-items:center;font-size:12px;font-weight:900}.message-panel{min-height:calc(100vh - 120px);overflow:hidden;display:flex;flex-direction:column}.alias-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:24px;border-bottom:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfcff)}.alias-header h1{font-size:34px;line-height:1.05;margin:0 0 10px}.alias-tools{display:flex;gap:10px;align-items:center}.copy-pill{border:1px solid #cfdaef;background:#f8fbff;color:#253044;border-radius:999px;padding:8px 12px;font-weight:800;cursor:pointer;max-width:100%;overflow:hidden;text-overflow:ellipsis}.copy-pill:hover{background:#edf4ff}.alias-email{font-size:14px}.search-message{padding:16px 22px;border-bottom:1px solid var(--line);background:#fff}.messages-list{padding:18px;overflow:auto;display:grid;gap:14px}.message-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:17px;box-shadow:0 10px 24px rgba(16,24,39,.04)}.message-card.unread{border-color:#bcd0ff;box-shadow:0 12px 28px rgba(36,87,245,.08)}.message-head{display:flex;justify-content:space-between;gap:18px}.message-head h2{font-size:18px;margin:0 0 6px}.message-head time{color:var(--muted);font-weight:800;font-size:13px;white-space:nowrap}.message-preview{margin:0;color:#475467;line-height:1.45}.message-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:16px 0 0}.message-meta div{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:10px}.message-meta dt{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:#667085;font-weight:900}.message-meta dd{margin:4px 0 0;font-size:13px;color:#253044;word-break:break-word;font-weight:700}.message-body{margin-top:14px;border-top:1px solid var(--line);padding-top:12px}.message-body summary{cursor:pointer;color:#2444a4;font-weight:900}.message-body pre,.script-preview pre{white-space:pre-wrap;word-break:break-word;background:#0f172a;color:#e2e8f0;border-radius:16px;padding:16px;line-height:1.5;max-height:420px;overflow:auto}.message-actions{display:flex;gap:8px;margin-top:13px}.empty-state{border:1px dashed #cdd6e5;background:#fbfcff;border-radius:22px;color:var(--muted);text-align:center}.empty-state.compact{padding:22px}.empty-state.large{margin:auto;padding:36px;max-width:560px}.empty-state h2{margin:0 0 7px;color:#253044}.empty-state p{margin:0;line-height:1.5}
.settings-layout{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:24px clamp(14px,3vw,38px) 38px}.settings-hero{background:linear-gradient(135deg,#ffffff,#edf4ff);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px;display:flex;align-items:center;justify-content:space-between;gap:16px}.settings-hero h1{margin:0 0 8px;font-size:36px}.settings-hero p{margin:0;color:var(--muted)}.clean-card,.pipe-card,.trust-card{padding:24px}.clean-card h2,.pipe-card h2,.trust-card h2{margin:0 0 16px;font-size:22px}.card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:18px}.card-head p{margin:4px 0 0;color:var(--muted);line-height:1.55}.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}.step{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:14px;display:flex;gap:11px;align-items:flex-start}.step b{background:#eaf0ff;color:#2457f5;border-radius:10px;min-width:28px;height:28px;display:grid;place-items:center}.step span{font-size:13px;color:#475467;line-height:1.45}.copy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.codebox{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:13px;min-width:0}.codebox span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.08em;font-weight:900;color:#667085;margin-bottom:8px}.codebox .copy-pill{width:100%;justify-content:flex-start;text-align:left}.script-preview{margin-top:18px}.script-preview summary{cursor:pointer;font-weight:900;color:#2444a4}.trust-card p{color:#475467;line-height:1.6}.trust-list{display:flex;flex-wrap:wrap;gap:10px}.trust-list span{background:#ecfdf3;border:1px solid #abefc6;color:#067647;border-radius:999px;padding:8px 12px;font-weight:850;font-size:13px}
.installer-bg{min-height:100vh;background:var(--bg);display:grid;place-items:center;padding:24px}.installer-card{width:min(980px,100%);background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:30px}.installer-card h1{margin:8px 0}.muted{color:var(--muted)}.checks{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.check{border-radius:999px;padding:8px 12px;font-weight:850}.check.ok{background:#ecfdf3;color:#067647}.check.bad{background:#fff1f1;color:#c92a2a}.install-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.install-grid h2{grid-column:1/-1;margin:18px 0 0}.install-grid .full{grid-column:1/-1}.alert-success{background:#ecfdf3;color:#067647;border:1px solid #abefc6}.alert-danger{background:#fff1f1;color:#c92a2a;border:1px solid #ffc9c9}.alert{margin-bottom:14px}.brand-mark{display:inline-grid;place-items:center;width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,#123adf,#2b69ff);color:white;font-weight:900}
@media (max-width: 1050px){.mail-layout{grid-template-columns:1fr}.sidebar-card{height:auto;min-height:0}.alias-list{max-height:440px}.settings-layout{grid-template-columns:1fr}.steps-grid,.copy-grid{grid-template-columns:1fr 1fr}}
@media (max-width: 700px){.topbar{height:auto;padding:14px;align-items:flex-start;gap:12px;flex-direction:column}.nav-actions{width:100%;overflow:auto}.mail-layout,.settings-layout{padding:14px}.create-mini{grid-template-columns:1fr}.alias-header{flex-direction:column}.alias-tools{width:100%;flex-wrap:wrap}.message-meta{grid-template-columns:1fr}.steps-grid,.copy-grid,.install-grid{grid-template-columns:1fr}.settings-hero{align-items:flex-start;flex-direction:column}.message-head{flex-direction:column}.sidebar-card,.message-panel{border-radius:18px}}


/* V5 clarity helpers */
.notice-soft{background:#eef4ff;border:1px solid #c7d7fe;color:#23335a;border-radius:16px;padding:14px 16px;margin:12px 0 20px;line-height:1.55;font-size:14px}
.advanced-settings{border:1px dashed #cbd5e1;border-radius:16px;padding:12px 14px;background:#f8fafc}
.advanced-settings summary{cursor:pointer;font-weight:800;color:#334155;margin-bottom:10px}
.advanced-settings label{margin-top:10px}


/* V9: estado de actualización rápida */
.alias-email-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.live-status{display:inline-flex;align-items:center;gap:7px;border:1px solid #abefc6;background:#ecfdf3;color:#067647;border-radius:999px;padding:7px 10px;font-size:12px;font-weight:850}
.live-status:before{content:"";width:8px;height:8px;border-radius:999px;background:#12b76a;box-shadow:0 0 0 5px rgba(18,183,106,.12)}

/* V16: avisos por Gmail y autoactualización opcional */
.live-status.off{border-color:#e2e8f0;background:#f8fafc;color:#667085}
.live-status.off:before{background:#98a2b3;box-shadow:0 0 0 5px rgba(152,162,179,.12)}
#toggleAutoRefresh.off{background:#fff1f1;color:#c92a2a}
.checkline{display:flex!important;align-items:flex-start;gap:10px;font-weight:800;color:#253044;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:13px 14px}
.checkline input{width:auto;margin:3px 0 0;accent-color:var(--primary)}
.checkline span{line-height:1.35}
.form-actions-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.inline-test-form{margin-top:12px}
.notification-card p.muted{margin-top:-4px;margin-bottom:16px;line-height:1.55}


.readonly-field{
  border:1px solid #e2e8f0;
  border-radius:18px;
  padding:18px 22px;
  background:#f8fafc;
  display:grid;
  gap:8px;
}
.readonly-field span{
  color:#64748b;
  font-weight:800;
  font-size:13px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.readonly-field strong{
  color:#111827;
  font-size:20px;
  word-break:break-all;
}
.readonly-field small{
  color:#64748b;
  font-weight:700;
}

/* V16: copia clara, seguridad al eliminar y actualización visible */
.created-alert{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.created-alert span{
  line-height:1.4;
}
.created-alert code{
  background:#ffffff;
  border:1px solid #abefc6;
  border-radius:999px;
  padding:8px 12px;
  color:#064e3b;
  font-weight:900;
  word-break:break-all;
}
.copy-email-box{
  display:grid;
  grid-template-columns:minmax(230px,1fr) auto;
  grid-template-areas:"label label" "email button";
  gap:8px 10px;
  align-items:center;
  background:#f8fbff;
  border:1px solid #cfe0ff;
  border-radius:18px;
  padding:12px;
  min-width:min(100%,560px);
  flex:1 1 430px;
}
.copy-email-box span{
  grid-area:label;
  color:#2457f5;
  font-size:11px;
  font-weight:950;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.copy-email-box code{
  grid-area:email;
  background:#fff;
  border:1px solid #d9e5ff;
  border-radius:14px;
  padding:12px 13px;
  color:#111827;
  font-weight:900;
  font-size:15px;
  word-break:break-all;
}
.copy-email-box .copy-action{
  grid-area:button;
  min-height:44px;
}
.copy-action.copied,
.copy-pill.copied{
  background:#138a44!important;
  color:#fff!important;
  border-color:#138a44!important;
}
.refresh-control{
  display:grid;
  gap:9px;
  background:#fff;
  border:2px solid #dbe7ff;
  border-radius:18px;
  padding:12px;
  box-shadow:0 12px 26px rgba(36,87,245,.08);
  flex:0 1 390px;
}
.refresh-buttons{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
}
.btn.refresh-toggle{
  background:#ecfdf3;
  color:#067647;
  border:1px solid #abefc6;
  padding:10px 13px;
  border-radius:12px;
  font-size:13px;
}
.btn.refresh-toggle.off{
  background:#fff1f1!important;
  color:#c92a2a!important;
  border-color:#ffc9c9!important;
}
.btn.refresh-now{
  background:#eef3ff;
  color:#2444a4;
  border:1px solid #cfe0ff;
  padding:10px 13px;
  border-radius:12px;
  font-size:13px;
}
.delete-alias-form .btn.danger{
  box-shadow:0 10px 18px rgba(224,49,49,.15);
}
@media (max-width:700px){
  .copy-email-box{grid-template-columns:1fr;grid-template-areas:"label" "email" "button";width:100%}
  .copy-email-box .copy-action{width:100%}
  .refresh-control{width:100%;flex-basis:100%}
  .refresh-buttons .btn{width:100%}
}

/* V17: interfaz más compacta y profesional sin tocar la lógica del sistema */
:root{
  --shadow:0 10px 28px rgba(16,24,39,.06);
  --radius:18px;
}
body{font-size:15px}
.topbar{
  height:66px;
  padding:0 clamp(16px,3vw,36px);
}
.brand-badge{width:46px;height:46px;border-radius:14px;font-size:14px}
.brand strong{font-size:16px}
.brand small{font-size:12px}
.nav-actions a{padding:8px 11px;border-radius:10px;font-size:14px}
.mail-layout{
  grid-template-columns:340px minmax(0,1fr);
  gap:18px;
  padding:18px clamp(14px,3vw,34px) 26px;
}
.sidebar-card{height:calc(100vh - 102px);min-height:560px}
.quick-create{padding:16px 16px 14px}
.section-title span,.eyebrow{font-size:10px;letter-spacing:.16em}
.section-title b{font-size:19px}
.create-mini{margin-top:12px;gap:8px}
input{border-radius:12px;padding:11px 13px;font-size:14px}
.btn{border-radius:12px;padding:10px 14px;font-size:14px}
.btn.primary{box-shadow:0 8px 18px rgba(36,87,245,.16)}
.stats-row{padding:12px 14px;gap:7px}
.stats-row div{border-radius:14px;padding:10px 8px}
.stats-row b{font-size:17px}
.stats-row span{font-size:11px}
.search-box{padding:12px 14px}
.alias-list{padding:8px;gap:7px}
.alias-item{grid-template-columns:36px minmax(0,1fr) auto;gap:10px;padding:10px;border-radius:15px}
.alias-icon{width:36px;height:36px;border-radius:12px;font-size:13px}
.alias-main strong{font-size:13px}
.alias-main small{font-size:12px}.alias-main em{font-size:11px}
.badge{min-width:20px;height:20px;font-size:11px}
.message-panel{min-height:calc(100vh - 102px)}
.alias-header{
  padding:18px 20px;
  gap:14px;
  align-items:flex-start;
}
.alias-header h1{font-size:28px;margin:0 0 8px;line-height:1.1}
.alias-tools{gap:8px}
.copy-email-box{
  border-radius:15px;
  padding:10px;
  gap:7px 9px;
  min-width:min(100%,500px);
  flex:1 1 390px;
}
.copy-email-box span{font-size:10px;letter-spacing:.16em}
.copy-email-box code{padding:10px 11px;border-radius:12px;font-size:14px}
.copy-email-box .copy-action{min-height:40px}
.refresh-control{
  border-width:1px;
  border-radius:15px;
  padding:10px;
  gap:8px;
  flex:0 1 350px;
  box-shadow:none;
}
.live-status{padding:6px 9px;font-size:11px}
.btn.refresh-toggle,.btn.refresh-now{padding:8px 11px;font-size:12px;border-radius:10px}
.search-message{padding:14px 18px}
.messages-list{padding:16px;gap:12px}
.message-card{border-radius:17px;padding:15px}
.message-head h2{font-size:17px}
.message-preview{font-size:14px}
.message-meta{gap:8px;margin-top:13px}.message-meta div{padding:9px;border-radius:12px}
.empty-state.large{padding:28px;max-width:500px;border-radius:18px}
.empty-state h2{font-size:21px}
.created-alert{
  padding:10px 14px;
  margin-bottom:10px;
  border-radius:14px;
}
.created-alert code{padding:7px 10px;font-size:13px}
.created-alert .btn{padding:9px 13px}
.alert{padding:11px 14px;border-radius:14px}
.settings-layout{padding:18px clamp(14px,3vw,34px) 28px;gap:18px}
.settings-hero{padding:20px}.settings-hero h1{font-size:30px}
.clean-card,.pipe-card,.trust-card{padding:20px}.clean-card h2,.pipe-card h2,.trust-card h2{font-size:20px}

@media (max-width:1050px){
  .mail-layout{grid-template-columns:1fr}
  .sidebar-card{height:auto;min-height:0}
}
@media (max-width:700px){
  .topbar{height:auto;padding:12px 14px}
  .mail-layout,.settings-layout{padding:12px}
  .alias-header{padding:16px}
  .alias-header h1{font-size:24px}
}