/* ══════════════════════════════════════════════════════════════
   LinkShort — estilos del panel
   ══════════════════════════════════════════════════════════════ */

:root {
  color-scheme: dark;
  --bg:        #0b0d14;
  --bg-2:      #10131c;
  --surface:   #151926;
  --surface-2: #1b2030;
  --surface-3: #232a3d;
  --border:    #262d40;
  --border-2:  #323a52;
  --text:      #e6e8f0;
  --muted:     #8b90a5;
  --faint:     #5d6378;

  --primary:   #6366f1;
  --primary-2: #4f46e5;
  --primary-soft: rgba(99,102,241,.14);
  --green:     #22c55e;
  --green-soft: rgba(34,197,94,.13);
  --amber:     #f59e0b;
  --amber-soft: rgba(245,158,11,.13);
  --red:       #ef4444;
  --red-soft:  rgba(239,68,68,.13);
  --blue-soft: rgba(56,189,248,.12);

  --r:    10px;
  --r-lg: 14px;
  --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 8px 24px -12px rgba(0,0,0,.5);
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --mono: ui-monospace, 'Cascadia Code', Consolas, monospace;
  --sidebar: 236px;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: #a5b4fc; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
code { font-family: var(--mono); font-size: .92em; background: var(--surface-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 6px; }
h1, h2, h3, p { margin: 0; }
[hidden] { display: none !important; }
.ico { flex-shrink: 0; }

/* ── Estructura ─────────────────────────────────────────────── */
.shell { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--sidebar);
  display: flex; flex-direction: column; gap: 20px;
  padding: 20px 14px;
  background: var(--bg-2);
  border-right: 1px solid var(--border);
  z-index: 50;
  transition: transform .22s ease;
}
.main { flex: 1; min-width: 0; margin-left: var(--sidebar); }
.content { max-width: 1120px; margin: 0 auto; padding: 32px 32px 64px; }

.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px; color: var(--text); text-decoration: none !important; }
.brand-mark {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, #818cf8, var(--primary-2)); color: #fff;
  box-shadow: 0 6px 18px -6px rgba(99,102,241,.7);
}
.brand-mark-lg { width: 52px; height: 52px; border-radius: 15px; }
.brand-name { font-weight: 750; font-size: 16px; letter-spacing: -.01em; }

.side-nav { display: flex; flex-direction: column; gap: 2px; }
.side-link {
  display: flex; align-items: center; gap: 11px;
  padding: 9px 12px; border-radius: 9px;
  color: var(--muted); font-weight: 520; text-decoration: none !important;
  transition: background .15s, color .15s;
}
.side-link:hover { background: var(--surface); color: var(--text); }
.side-link.is-active { background: var(--primary-soft); color: #c7d2fe; }
.side-link.is-active .ico { color: #a5b4fc; }

.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 10px; }
.side-domain {
  display: flex; align-items: center; gap: 7px; padding: 0 10px;
  color: var(--faint); font-size: 12px; overflow: hidden;
}
.side-domain span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side-user {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 8px 8px 10px; border: 1px solid var(--border); border-radius: 11px; background: var(--surface);
}
.side-user-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.avatar {
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--surface-3); color: #c7d2fe; font-weight: 700; font-size: 12px;
}

.topbar { display: none; }
.sidebar-backdrop { display: none; }

/* ── Encabezado de página ───────────────────────────────────── */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.page-title { font-size: 24px; font-weight: 750; letter-spacing: -.02em; }
.page-sub { color: var(--muted); margin-top: 2px; overflow-wrap: anywhere; }
.page-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Tarjetas ───────────────────────────────────────────────── */
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 22px; box-shadow: var(--shadow);
}
.card-tight { padding: 16px; }
.card-flush { padding: 0; overflow: hidden; }
.card-title { display: flex; align-items: center; gap: 9px; font-size: 15px; font-weight: 650; margin-bottom: 18px; }
.card-title .ico { color: var(--muted); }
.stack { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.mt { margin-top: 12px; }

/* ── Botones ────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 7px;
  height: 38px; padding: 0 15px; border-radius: var(--r);
  border: 1px solid transparent; cursor: pointer;
  font: inherit; font-weight: 600; line-height: 1; white-space: nowrap;
  text-decoration: none !important; transition: background .15s, border-color .15s, opacity .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; pointer-events: none; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-2); }
.btn-soft { background: var(--surface-3); color: var(--text); border-color: var(--border-2); }
.btn-soft:hover { background: #2b3349; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-2); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { height: 32px; padding: 0 11px; font-size: 13px; }
.btn-block { width: 100%; }

.icon-btn {
  display: inline-grid; place-items: center; width: 34px; height: 34px; flex-shrink: 0;
  border-radius: 9px; border: 1px solid transparent; background: transparent;
  color: var(--muted); cursor: pointer; text-decoration: none !important;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--surface-3); color: var(--text); }
.icon-btn.danger:hover { background: var(--red-soft); color: #fca5a5; }

/* ── Formularios ────────────────────────────────────────────── */
.field { margin-bottom: 16px; min-width: 0; }
.field:last-child { margin-bottom: 0; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.field-row .field { margin-bottom: 0; }
.label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 12px; font-weight: 600; }
.req { color: #fca5a5; }
.opt { color: var(--faint); font-weight: 500; }
.hint { color: var(--faint); font-size: 12.5px; margin-top: 6px; }
.hint a { color: #a5b4fc; }

.input {
  width: 100%; height: 40px; padding: 0 12px;
  background: var(--bg-2); color: var(--text);
  border: 1px solid var(--border-2); border-radius: var(--r);
  font: inherit; transition: border-color .15s, box-shadow .15s;
}
textarea.input { height: auto; padding: 10px 12px; resize: vertical; min-height: 64px; }
select.input { cursor: pointer; }
.input::placeholder { color: var(--faint); }
.input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99,102,241,.22); }
.input[readonly] { color: var(--muted); }
.mono { font-family: var(--mono); font-size: 13px; }

.input-group { display: flex; min-width: 0; }
.input-group .input { border-radius: var(--r) 0 0 var(--r); min-width: 0; }
.input-group .btn { height: 40px; border-radius: 0; margin-left: -1px; }
.input-group .btn:last-child { border-radius: 0 var(--r) var(--r) 0; }

.slug-input { display: flex; align-items: stretch; min-width: 0; }
.slug-prefix {
  display: flex; align-items: center; padding: 0 10px; max-width: 55%;
  background: var(--surface-2); border: 1px solid var(--border-2); border-right: 0;
  border-radius: var(--r) 0 0 var(--r); color: var(--muted);
  font: 13px var(--mono); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.slug-input .input { border-radius: 0 var(--r) var(--r) 0; font-family: var(--mono); }

.form-actions { display: flex; justify-content: flex-end; gap: 10px; }

/* Interruptor */
.switch { position: relative; display: inline-block; width: 52px; height: 30px; flex-shrink: 0; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch-track { position: absolute; inset: 0; background: var(--surface-3); border: 1px solid var(--border-2); border-radius: 30px; transition: background .2s, border-color .2s; }
.switch-track::before {
  content: ''; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px;
  background: #fff; border-radius: 50%; box-shadow: 0 2px 6px rgba(0,0,0,.35); transition: transform .2s;
}
.switch input:checked + .switch-track { background: var(--green); border-color: var(--green); }
.switch input:checked + .switch-track::before { transform: translateX(22px); }
.switch input:focus-visible + .switch-track { box-shadow: 0 0 0 3px rgba(99,102,241,.35); }

/* ── Avisos ─────────────────────────────────────────────────── */
.alert {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 12px 14px; margin-bottom: 18px; border-radius: var(--r); border: 1px solid;
  font-size: 13.5px;
}
.alert .ico { margin-top: 1px; }
.alert a { color: inherit; text-decoration: underline; font-weight: 600; }
.alert-success { background: var(--green-soft); border-color: rgba(34,197,94,.3); color: #86efac; }
.alert-danger  { background: var(--red-soft);   border-color: rgba(239,68,68,.3); color: #fca5a5; }
.alert-warning { background: var(--amber-soft); border-color: rgba(245,158,11,.3); color: #fcd34d; }
.alert-info    { background: var(--blue-soft);  border-color: rgba(56,189,248,.28); color: #7dd3fc; }

.badge { display: inline-flex; align-items: center; padding: 2px 10px; border-radius: 20px; font-size: 12px; font-weight: 650; }
.badge-ok { background: var(--green-soft); color: #86efac; }
.badge-info { background: var(--primary-soft); color: #c7d2fe; }

/* ── Estadísticas ───────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat {
  display: flex; align-items: center; gap: 14px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 16px 18px;
}
.stat-ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 11px; background: var(--primary-soft); color: #a5b4fc; flex-shrink: 0; }
.ico-green { background: var(--green-soft); color: #86efac; }
.ico-amber { background: var(--amber-soft); color: #fcd34d; }
.stat-value { font-size: 22px; font-weight: 750; line-height: 1.1; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat-value small { font-size: 12px; font-weight: 600; color: var(--faint); letter-spacing: 0; }
.stat-label { color: var(--muted); font-size: 12.5px; }

/* ── Tráfico PC ─────────────────────────────────────────────── */
.pc-card { margin-bottom: 26px; padding: 18px 20px; position: relative; overflow: hidden; }
.pc-card::before { content: ''; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--green); transition: background .2s; }
.pc-card.is-off::before { background: var(--red); }
.pc-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.pc-info { display: flex; align-items: center; gap: 14px; min-width: 0; }
.pc-ico { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: var(--green-soft); color: #86efac; flex-shrink: 0; transition: background .2s, color .2s; }
.pc-card.is-off .pc-ico { background: var(--red-soft); color: #fca5a5; }
.pc-title { font-weight: 650; font-size: 15px; }
.pc-status { color: #86efac; font-size: 13px; }
.pc-card.is-off .pc-status { color: #fca5a5; }
.pc-options { display: flex; align-items: flex-end; gap: 14px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
.pc-options .field { margin: 0; min-width: 220px; }
.pc-options .grow { flex: 1; min-width: 260px; }

/* ── Barra de herramientas ──────────────────────────────────── */
.toolbar { display: flex; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 14px; flex-wrap: wrap; }
.search { position: relative; flex: 1; min-width: 220px; max-width: 420px; }
.search .ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--faint); pointer-events: none; }
.search .input { padding-left: 36px; }
.segmented { display: inline-flex; padding: 3px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--r); }
.segmented a { padding: 6px 12px; border-radius: 7px; color: var(--muted); font-weight: 600; font-size: 13px; text-decoration: none; white-space: nowrap; }
.segmented a:hover { color: var(--text); }
.segmented a.is-active { background: var(--surface-3); color: var(--text); }

/* ── Lista de enlaces ───────────────────────────────────────── */
.link-list { display: flex; flex-direction: column; gap: 10px; }
.link-row {
  display: grid; grid-template-columns: 76px minmax(0, 1fr) 150px auto; gap: 18px; align-items: center;
  padding: 12px 14px 12px 12px;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg);
  transition: border-color .15s, opacity .3s, transform .3s;
}
.link-row:hover { border-color: var(--border-2); }
.link-row.is-removing { opacity: 0; transform: scale(.98); }

.thumb {
  position: relative; width: 76px; height: 50px; border-radius: 8px; overflow: hidden;
  background: var(--surface-2); border: 1px solid var(--border);
  display: grid; place-items: center; color: var(--faint);
}
.thumb img { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: cover; }

.link-main { min-width: 0; }
.link-title { font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.link-short a { font: 600 13px var(--mono); color: #a5b4fc; }
.link-dest { display: flex; align-items: center; gap: 5px; color: var(--faint); font-size: 12.5px; min-width: 0; }
.link-dest span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-dest:hover { color: var(--muted); text-decoration: none; }

.link-stats { min-width: 0; }
.link-total { display: flex; align-items: baseline; gap: 5px; }
.link-total b { font-size: 18px; font-weight: 750; font-variant-numeric: tabular-nums; }
.link-total span { color: var(--faint); font-size: 12px; }
.split-bar { height: 5px; border-radius: 5px; background: var(--amber); opacity: .85; overflow: hidden; margin: 5px 0 4px; }
.split-bar span { display: block; height: 100%; background: var(--green); }
.link-row[data-zero] .split-bar { background: var(--surface-3); }
.split-legend { display: flex; justify-content: space-between; color: var(--faint); font-size: 11.5px; font-variant-numeric: tabular-nums; }
.split-legend span { display: inline-flex; align-items: center; gap: 4px; }

.link-actions { display: flex; align-items: center; gap: 4px; }

.empty { text-align: center; padding: 48px 24px; }
.empty-ico { display: inline-grid; place-items: center; width: 60px; height: 60px; border-radius: 16px; background: var(--primary-soft); color: #a5b4fc; margin-bottom: 14px; }
.empty h2 { font-size: 17px; margin-bottom: 6px; }
.empty p { color: var(--muted); margin-bottom: 18px; }
.empty .btn { margin-top: 2px; }
.empty-search { text-align: center; color: var(--muted); padding: 32px 0; }

/* ── Crear / editar ─────────────────────────────────────────── */
.link-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.sticky { position: sticky; top: 24px; }

.fb-preview { border: 1px solid var(--border-2); border-radius: 10px; overflow: hidden; background: var(--surface-2); }
.fb-media { aspect-ratio: 1.91 / 1; background: var(--bg-2); display: grid; place-items: center; color: var(--faint); }
.fb-media img { width: 100%; height: 100%; object-fit: cover; }
.fb-body { padding: 10px 12px 12px; border-top: 1px solid var(--border); }
.fb-domain { color: var(--faint); font-size: 11px; letter-spacing: .03em; }
.fb-title { font-weight: 650; font-size: 15px; line-height: 1.3; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fb-desc { color: var(--muted); font-size: 13px; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.fb-desc:empty { display: none; }

.mini-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mini-stats div { background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px; padding: 9px 10px; }
.mini-stats b { display: block; font-size: 18px; font-variant-numeric: tabular-nums; }
.mini-stats span { display: inline-flex; align-items: center; gap: 4px; color: var(--faint); font-size: 12px; }

/* ── Pool / listas simples ──────────────────────────────────── */
.two-col { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 20px; align-items: start; }
.list-row { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--border); transition: opacity .3s; }
.list-row:last-child { border-bottom: 0; }
.list-row.is-removing { opacity: 0; }
.list-ico { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--surface-2); color: var(--muted); flex-shrink: 0; }
.list-main { flex: 1; min-width: 0; }
.list-title { font-weight: 600; }
.list-sub { display: block; color: var(--faint); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list-meta { color: var(--faint); font-size: 12px; white-space: nowrap; }

/* ── Ajustes ────────────────────────────────────────────────── */
.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; align-items: start; }
.span-2 { grid-column: 1 / -1; }
.kv { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--border); }
.kv > span:first-child { color: var(--muted); }
.kv code { overflow-wrap: anywhere; }

/* ── Login ──────────────────────────────────────────────────── */
.auth-page { background: radial-gradient(70% 50% at 50% 0%, rgba(99,102,241,.16), transparent 70%), var(--bg); }
.auth { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
.auth-card { width: 100%; max-width: 380px; }
.auth-brand { text-align: center; margin-bottom: 24px; }
.auth-brand .brand-mark { margin: 0 auto 14px; }
.auth-brand h1 { font-size: 26px; letter-spacing: -.02em; }
.auth-brand p { color: var(--muted); }
.auth .btn-block { margin-top: 6px; height: 42px; }

/* ── Toast y modal ──────────────────────────────────────────── */
#toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 200;
  transform: translate(-50%, 12px); opacity: 0; pointer-events: none;
  background: var(--surface-3); border: 1px solid var(--border-2); color: var(--text);
  padding: 10px 16px; border-radius: 10px; font-weight: 550; box-shadow: 0 12px 32px -8px rgba(0,0,0,.6);
  transition: opacity .2s, transform .2s; max-width: calc(100vw - 32px);
}
#toast.show { opacity: 1; transform: translate(-50%, 0); }

.modal-overlay { position: fixed; inset: 0; z-index: 150; display: grid; place-items: center; padding: 16px; background: rgba(5,7,12,.7); backdrop-filter: blur(3px); }
.modal { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border-2); border-radius: var(--r-lg); padding: 22px; box-shadow: 0 24px 60px -12px rgba(0,0,0,.7); }
.modal h3 { font-size: 16px; margin-bottom: 6px; }
.modal p { color: var(--muted); margin-bottom: 20px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

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

/* ══ Responsive ═════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .link-layout, .two-col { grid-template-columns: minmax(0, 1fr); }
  .sticky { position: static; }
}

@media (max-width: 860px) {
  .sidebar { transform: translateX(-100%); box-shadow: 0 0 40px rgba(0,0,0,.5); }
  .sidebar.is-open { transform: none; }
  .sidebar-backdrop.is-open { display: block; position: fixed; inset: 0; z-index: 40; background: rgba(5,7,12,.6); }
  .main { margin-left: 0; }
  .topbar {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    position: sticky; top: 0; z-index: 30;
    padding: 10px 12px; background: rgba(11,13,20,.88); backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
  }
  .brand-sm .brand-mark { width: 28px; height: 28px; border-radius: 8px; }
  .content { padding: 22px 16px 56px; }
  .settings-grid { grid-template-columns: minmax(0, 1fr); }

  .link-row { grid-template-columns: 64px minmax(0, 1fr); gap: 12px; }
  .thumb { width: 64px; height: 44px; }
  .link-stats { grid-column: 1 / -1; }
  .link-actions { grid-column: 1 / -1; justify-content: flex-end; border-top: 1px solid var(--border); padding-top: 10px; }
  .link-actions .btn { margin-right: auto; }
}

@media (max-width: 520px) {
  .page-title { font-size: 21px; }
  .stats { gap: 10px; }
  .stat { padding: 12px; gap: 10px; }
  .stat-ico { width: 34px; height: 34px; }
  .stat-value { font-size: 18px; }
  .field-row { grid-template-columns: minmax(0, 1fr); }
  .toolbar { flex-direction: column; align-items: stretch; }
  .search { max-width: none; }
  .segmented { overflow-x: auto; }
  .segmented a { flex: 1; text-align: center; }
  .input-group { flex-wrap: wrap; gap: 8px; }
  .input-group .input, .input-group .btn, .input-group .btn:last-child { border-radius: var(--r); margin-left: 0; }
  .input-group .input { flex: 1 1 100%; }
  .input-group .btn { flex: 1; }
  .slug-prefix { max-width: 45%; }
  .pc-options .field, .pc-options .grow { min-width: 0; flex: 1 1 100%; }
  .list-meta { display: none; }
  .form-actions .btn { flex: 1; }
  .card { padding: 18px; }
}