/* ============================================================
   Buzón — admin panel CSS
   Tokens via :root[data-theme="light|dark"]. Mobile-first <900px.
   ============================================================ */

*,*::before,*::after { box-sizing: border-box; }
html,body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-size: 15px; line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
body, input, textarea, select, button { color-scheme: light dark; }

:root[data-theme="light"] {
  --bg:               #F4F6FA;
  --surface:          #FFFFFF;
  --card:             #FFFFFF;
  --card-elev:        #F8FAFC;
  --border:           #E2E8F0;
  --border-strong:    #CBD5E1;
  --ink:              #0F172A;
  --ink-soft:         #334155;
  --body:             #475569;
  --muted:            #94A3B8;
  --hover:            #F1F5F9;
  --brand:            #2563EB;
  --brand-dark:       #1D4ED8;
  --brand-soft:       rgba(37,99,235,.10);
  --danger:           #DC2626;
  --danger-bg:        rgba(220,38,38,.10);
  --warn:             #B45309;
  --warn-bg:          rgba(245,158,11,.14);
  --ok:               #047857;
  --ok-bg:            rgba(16,185,129,.14);
  --shadow:           0 8px 24px -12px rgba(15,23,42,.18);
  --shadow-strong:    0 24px 60px -20px rgba(15,23,42,.30);
  --sidebar-bg:       #0F172A;
  --sidebar-link:     #CBD5E1;
  --sidebar-active-bg: rgba(96,165,250,.18);
  --code-bg:          #F1F5F9;
  --code-ink:         #1E293B;
}

:root[data-theme="dark"] {
  --bg:               #090D19;
  --surface:          #0F1424;
  --card:             #151B2D;
  --card-elev:        #1A2138;
  --border:           #232B43;
  --border-strong:    #334155;
  --ink:              #F1F5F9;
  --ink-soft:         #CBD5E1;
  --body:             #94A9C0;
  --muted:            #64748B;
  --hover:            #1A2138;
  --brand:            #60A5FA;
  --brand-dark:       #3B82F6;
  --brand-soft:       rgba(96,165,250,.14);
  --danger:           #F87171;
  --danger-bg:        rgba(248,113,113,.16);
  --warn:             #FBBF24;
  --warn-bg:          rgba(251,191,36,.16);
  --ok:               #34D399;
  --ok-bg:            rgba(52,211,153,.14);
  --shadow:           0 8px 24px -12px rgba(0,0,0,.55);
  --shadow-strong:    0 24px 60px -20px rgba(0,0,0,.7);
  --sidebar-bg:       #060A14;
  --sidebar-link:     #94A3B8;
  --sidebar-active-bg: rgba(96,165,250,.20);
  --code-bg:          #0B1024;
  --code-ink:         #E2E8F0;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

::selection { background: var(--brand-soft); color: var(--ink); }

/* ============================================================
   Layout: sidebar + main
   ============================================================ */
.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: 240px;
  background: var(--sidebar-bg);
  color: var(--sidebar-link);
  padding: 22px 14px;
  display: flex; flex-direction: column; gap: 18px;
  z-index: 50;
  border-right: 1px solid rgba(255,255,255,.06);
}
.sb-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 8px;
  color: #fff;
  font-weight: 700; font-size: 18px;
}
.sb-brand:hover { text-decoration: none; }
.sb-brand-mark { font-size: 22px; }
.sb-nav { display: flex; flex-direction: column; gap: 2px; flex: 1; min-height: 0; overflow-y: auto; }
.sb-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--sidebar-link);
  font-size: 14.5px; font-weight: 500;
  white-space: nowrap;
}
.sb-nav a:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.sb-nav a.is-active { background: var(--sidebar-active-bg); color: #fff; }
.sb-footer { display: flex; flex-direction: column; gap: 8px; flex-shrink: 0; }
.theme-toggle {
  background: rgba(255,255,255,.08);
  color: #fff;
  border: 1px solid rgba(255,255,255,.14);
  padding: 8px 12px; border-radius: 8px;
  cursor: pointer; font-size: 13px;
  font-family: inherit;
}
.theme-toggle:hover { background: rgba(255,255,255,.16); }
.theme-toggle .t-light,
.theme-toggle .t-dark { display: none; }
:root[data-theme="light"] .theme-toggle .t-light { display: inline; }
:root[data-theme="dark"]  .theme-toggle .t-dark  { display: inline; }
.btn-ghost-light {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.2);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
  width: 100%;
  font-family: inherit;
  font-size: 13px;
}
.btn-ghost-light:hover { background: rgba(255,255,255,.08); }
.sb-user { font-size: 11px; opacity: .55; padding: 4px; word-break: break-all; }

.main {
  margin-left: 240px;
  padding: 30px 36px;
  min-height: 100dvh;
}

/* Mobile overlay backdrop */
.nav-backdrop {
  display: none;
  position: fixed; inset: 0;
  background: rgba(15,23,42,.55);
  z-index: 45;
}

.mobile-trigger {
  display: none;
  position: fixed; top: 12px; left: 12px;
  z-index: 55;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--brand); color: #fff;
  border: none;
  font-size: 22px; line-height: 1;
  cursor: pointer;
  box-shadow: 0 6px 16px -4px rgba(37,99,235,.45);
}

@media (max-width: 900px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform .25s ease;
    width: min(280px, 86vw);
    box-shadow: 0 20px 60px -10px rgba(0,0,0,.6);
  }
  body.nav-open .sidebar { transform: translateX(0); }
  body.nav-open .nav-backdrop { display: block; }
  .main { margin-left: 0; padding: 70px 16px 28px; }
  .mobile-trigger { display: flex; align-items: center; justify-content: center; }
}

/* ============================================================
   Topbar + selector de perfil (layout-profile)
   ============================================================ */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; height: 56px; z-index: 60;
  display: flex; align-items: center; gap: 14px; padding: 0 18px;
  background: var(--card); border-bottom: 1px solid var(--border);
}
.topbar .tb-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); font-size: 16px; }
.topbar .tb-brand:hover { text-decoration: none; }
.tb-switcher { display: flex; align-items: center; gap: 8px; }
.tb-switcher-lbl { font-size: 11px; color: var(--muted); font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.tb-switcher select {
  font-family: inherit; font-size: 14.5px; font-weight: 600; color: var(--ink);
  background: var(--hover); border: 1px solid var(--border); border-radius: 9px;
  padding: 8px 32px 8px 12px; cursor: pointer; max-width: 240px; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 10px center;
}
.tb-spacer { flex: 1; }
.tb-link { font-size: 13px; color: var(--body); padding: 6px 8px; border-radius: 7px; background: none; border: 0; cursor: pointer; font-family: inherit; }
.tb-link:hover { background: var(--hover); text-decoration: none; color: var(--ink); }
.topbar .tb-user { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.topbar .theme-toggle { padding: 6px 10px; }
.tb-burger { display: none; }
.mobile-trigger--profile { display: none !important; }

.layout-profile .sidebar { top: 56px; padding-top: 16px; }
.layout-profile .main { padding-top: 80px; }

.sb-profilehead { padding: 2px 10px 10px; border-bottom: 1px solid rgba(255,255,255,.08); }
.sb-profilename { color: #fff; font-weight: 700; font-size: 16px; line-height: 1.2; word-break: break-word; }
.sb-profileslug { color: var(--sidebar-link); font-size: 12px; opacity: .7; margin-top: 2px; }

@media (max-width: 900px) {
  .layout-profile .main { padding-top: 72px; }
  .topbar .tb-link, .topbar .tb-user { display: none; }
  .tb-switcher-lbl { display: none; }
  .tb-switcher select { max-width: 46vw; }
  .tb-burger {
    display: flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 9px;
    background: var(--hover); border: 1px solid var(--border); color: var(--ink);
    font-size: 18px; cursor: pointer;
  }
}

/* ============================================================
   Typography / toolbar
   ============================================================ */
.h1 {
  font-size: clamp(22px, 4vw, 28px);
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--ink);
  margin: 0 0 6px;
}
.sub { color: var(--body); font-size: 14px; margin: 0 0 22px; }
h2, h3, h4 { color: var(--ink); }
hr { border: 0; border-top: 1px solid var(--border); margin: 22px 0; }

.toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 22px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
@media (max-width: 700px) {
  .toolbar { align-items: stretch; }
  .toolbar > * { width: 100%; }
}

code, kbd {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: .9em;
  font-family: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, monospace;
}
pre {
  background: var(--code-bg);
  color: var(--code-ink);
  padding: 14px 16px;
  border-radius: 9px;
  font-size: 12.5px;
  line-height: 1.5;
  overflow: auto;
  border: 1px solid var(--border);
  font-family: ui-monospace, 'SF Mono', 'Cascadia Mono', Menlo, monospace;
}

/* ============================================================
   Cards / grids
   ============================================================ */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
  color: var(--ink);
}
.card + .card { margin-top: 16px; }
.card-pad-sm { padding: 14px 18px; }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) { .grid-4 { grid-template-columns: 1fr; } }

.kpi-num {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.1;
}
.kpi-lbl {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 6px;
}

/* ============================================================
   Tablas — sticky header + scroll horizontal en cards
   ============================================================ */
.card.p-table { padding: 0; overflow: hidden; }
.card-scroll, .card.p-table { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--ink);
  min-width: 640px;
}
.tbl thead th {
  padding: 11px 12px;
  text-align: left;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--body);
  border-bottom: 2px solid var(--border);
  background: var(--hover);
  white-space: nowrap;
  font-weight: 700;
}
.tbl tbody td {
  padding: 11px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--ink);
  vertical-align: top;
}
.tbl tbody tr:hover { background: var(--hover); }
.tbl tbody tr.row-spam { background: var(--danger-bg); }
.tbl tbody tr.row-archived { opacity: .65; }
.tbl strong { color: var(--ink); }

/* ============================================================
   Forms
   ============================================================ */
.field { display: block; margin-bottom: 14px; }
.field > label { display: block; font-size: 13px; font-weight: 600; color: var(--ink); margin-bottom: 6px; }
.field .hint { font-size: 12px; color: var(--body); margin-top: 4px; line-height: 1.45; }
.field .hint code { font-size: 11px; }

.input,
textarea.input,
select.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 9px;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border-strong);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.5;
  transition: border-color .15s, box-shadow .15s, background .15s;
  -webkit-appearance: none;
  appearance: none;
}
.input:focus,
textarea.input:focus,
select.input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px var(--brand-soft);
}
.input::placeholder,
textarea.input::placeholder { color: var(--muted); }
textarea.input { line-height: 1.55; resize: vertical; min-height: 90px; }

/* Select arrow custom */
select.input {
  background-image: linear-gradient(45deg, transparent 50%, var(--body) 50%),
                    linear-gradient(135deg, var(--body) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

/* Color picker (dark-safe) */
input[type="color"].input {
  height: 42px;
  padding: 4px;
  cursor: pointer;
}
input[type="color"].input::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"].input::-webkit-color-swatch { border: 0; border-radius: 6px; }

input[type="number"].input { font-variant-numeric: tabular-nums; }

/* readonly hint */
.input[readonly] { background: var(--hover); color: var(--body); cursor: text; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > .field { flex: 1; min-width: 200px; }

.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; color: var(--ink); }
.switch input { width: 18px; height: 18px; accent-color: var(--brand); cursor: pointer; flex-shrink: 0; }

input[type="checkbox"], input[type="radio"] { accent-color: var(--brand); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  font-family: inherit;
  transition: background .15s, border-color .15s, transform .1s, color .15s;
  white-space: nowrap;
  line-height: 1.2;
}
.btn:hover { text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }

.btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff;
  box-shadow: 0 6px 14px -6px var(--brand);
}
.btn-primary:hover { filter: brightness(1.05); color: #fff; }

.btn-secondary {
  background: var(--card-elev);
  color: var(--ink);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--hover); border-color: var(--border-strong); color: var(--ink); }

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border-color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  padding: 6px 10px;
}
.btn-ghost:hover { background: var(--hover); color: var(--ink); }

.btn-sm { padding: 6px 12px; font-size: 12.5px; }

/* ============================================================
   Badges
   ============================================================ */
.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.3;
}
.badge-pending    { background: var(--warn-bg);   color: var(--warn); }
.badge-generating { background: var(--warn-bg);   color: var(--warn); }
.badge-sent       { background: var(--ok-bg);     color: var(--ok); }
.badge-ready      { background: var(--brand-soft); color: var(--brand); }
.badge-failed     { background: var(--danger-bg); color: var(--danger); }
.badge-skipped    { background: var(--hover);     color: var(--body);   border:1px solid var(--border); }
.badge-spam       { background: var(--danger-bg); color: var(--danger); }
.badge-archived   { background: var(--hover);     color: var(--body);   border:1px solid var(--border); }

.tag-pill {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 10.5px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

/* ============================================================
   Alerts
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 13.5px;
  border: 1px solid;
  line-height: 1.5;
}
.alert-success { background: var(--ok-bg);     color: var(--ok);     border-color: var(--ok); }
.alert-error   { background: var(--danger-bg); color: var(--danger); border-color: var(--danger); }
.alert-info    { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); }

/* ============================================================
   Tabs (scroll horizontal en mobile)
   ============================================================ */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 22px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.tabs::-webkit-scrollbar { height: 4px; }
.tabs::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
.tabs a {
  padding: 10px 16px;
  color: var(--body);
  font-weight: 600;
  font-size: 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  flex-shrink: 0;
}
.tabs a:hover { color: var(--ink); text-decoration: none; }
.tabs a.is-active { color: var(--brand); border-bottom-color: var(--brand); }

/* ============================================================
   Auth screens
   ============================================================ */
.auth-wrap {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 22px;
  background: var(--bg);
}
.auth-card {
  width: 100%;
  max-width: 420px;
  padding: 36px 28px;
  border-radius: 18px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-strong);
}
.auth-card h1 { margin: 0 0 24px; text-align: center; font-size: 24px; color: var(--ink); }
.auth-card .brand-mark { font-size: 42px; text-align: center; display: block; margin-bottom: 8px; }

@media (max-width: 480px) {
  .auth-wrap { padding: 16px; }
  .auth-card { padding: 28px 20px; border-radius: 14px; }
}

/* ============================================================
   Filter form (toolbar) — select adaptable
   ============================================================ */
.filter-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.filter-form select.input { min-width: 180px; max-width: 100%; }
@media (max-width: 700px) {
  .filter-form { width: 100%; }
  .filter-form select.input { width: 100%; min-width: 0; }
}

/* Subject ellipsis en buzon */
.td-subject { max-width: 340px; }
.td-subject-ellipsis {
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-weight: 600; color: var(--ink);
}
@media (max-width: 900px) { .td-subject { max-width: 220px; } }

/* ============================================================
   Utilidades varias
   ============================================================ */
.inline { display: inline; }
.text-muted { color: var(--muted); }
.text-body { color: var(--body); }
.text-ink   { color: var(--ink); }

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Quita la flecha extra de Edge en inputs numéricos */
input[type=number]::-webkit-outer-spin-button,
input[type=number]::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }

/* Print: oculta sidebar */
@media print {
  .sidebar, .mobile-trigger, .nav-backdrop { display: none !important; }
  .main { margin-left: 0; padding: 0; }
}