/* ============================================================
   Kreditzen 2.0 — Component Styles
   ============================================================ */

/* ---------- Layout app shell ---------- */
.kz-app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 260px 1fr;
  background: var(--bg-app);
}

/* ---------- Sidebar ---------- */
.kz-sidebar {
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.kz-sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: var(--sp-2) var(--sp-2) var(--sp-6);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 22px;
  color: var(--fg-1);
  letter-spacing: -0.02em;
}

.kz-nav-section { margin-top: var(--sp-4); }
.kz-nav-label {
  padding: 0 var(--sp-3) var(--sp-2);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-3);
}
.kz-nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: 10px var(--sp-3);
  border-radius: var(--r-sm);
  color: var(--fg-2);
  font-size: var(--fs-md);
  font-weight: 500;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
  text-decoration: none;
  margin-bottom: 2px;
}
.kz-nav-item:hover { background: var(--bg-muted); color: var(--fg-1); }
.kz-nav-item.active { background: var(--primary-tint); color: var(--primary); }
[data-theme="dark"] .kz-nav-item.active { color: var(--teal-200); }
.kz-nav-item svg { flex-shrink: 0; }

.kz-nav-badge {
  margin-left: auto;
  background: var(--coral-400);
  color: white;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: var(--r-full);
}

.kz-sidebar-footer {
  margin-top: auto;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border);
}
.kz-profile-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
}
.kz-profile-card:hover { background: var(--bg-muted); }

.kz-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--r-full);
  background: linear-gradient(135deg, var(--teal-400), var(--teal-700));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}

/* ---------- Main area ---------- */
.kz-main { min-width: 0; display: flex; flex-direction: column; }

/* ---------- Topbar ---------- */
.kz-topbar {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  padding: var(--sp-4) var(--sp-8);
  background: var(--bg-app);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(180%) blur(8px);
}
.kz-search {
  flex: 1;
  max-width: 440px;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 9px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  font-size: var(--fs-md);
  color: var(--fg-2);
}
.kz-search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
}
.kz-search input::placeholder { color: var(--fg-3); }
.kz-kbd {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  color: var(--fg-3);
  background: var(--bg-app);
}
.kz-icon-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  color: var(--fg-2);
  cursor: pointer;
  transition: all .18s ease;
  position: relative;
}
.kz-icon-btn:hover { color: var(--fg-1); border-color: var(--border-strong); transform: translateY(-1px); }
.kz-icon-btn .dot {
  position: absolute;
  top: 8px; right: 8px;
  width: 7px; height: 7px;
  background: var(--coral-400);
  border-radius: 50%;
  border: 2px solid var(--bg-surface);
}

/* ---------- Page ---------- */
.kz-page {
  padding: var(--sp-8);
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
}
.kz-page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--sp-8);
  gap: var(--sp-6);
  flex-wrap: wrap;
}
.kz-greet {
  font-size: var(--fs-md);
  font-weight: 500;
  color: var(--fg-3);
  margin-bottom: 6px;
}
.kz-greet .name { color: var(--fg-1); font-weight: 600; }

/* ---------- Botones ---------- */
.kz-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px 18px;
  border-radius: var(--r-full);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .18s ease;
  white-space: nowrap;
  text-decoration: none;
}
.kz-btn-primary { background: var(--primary); color: var(--fg-on-primary); }
.kz-btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); box-shadow: var(--sh-sm); color: white; }
.kz-btn-accent  { background: var(--accent); color: var(--fg-on-accent); }
.kz-btn-accent:hover { background: var(--accent-hover); color: var(--navy-900); }
.kz-btn-ghost   { background: transparent; color: var(--fg-1); border-color: var(--border); }
.kz-btn-ghost:hover { background: var(--bg-surface); border-color: var(--border-strong); color: var(--fg-1); }
.kz-btn-dark    { background: var(--navy-900); color: white; border-color: transparent; }
.kz-btn-dark:hover { background: var(--navy-700); color: white; }
.kz-btn-danger  { background: transparent; color: var(--danger-500); border-color: var(--border); }
.kz-btn-danger:hover { background: rgba(234,67,53,.08); border-color: rgba(234,67,53,.3); color: var(--danger-500); }
.kz-btn-sm  { padding: 6px 14px; font-size: var(--fs-sm); }
.kz-btn-lg  { padding: 14px 28px; font-size: var(--fs-lg); }
.kz-btn-icon { padding: 8px; border-radius: var(--r-sm); }
.d-grid > .kz-btn { justify-content: center; }

/* ---------- Payment type pill buttons ---------- */
.kz-payment-type-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--fg-1);
  cursor: pointer;
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.2;
  transition: all .18s ease;
  user-select: none;
  white-space: nowrap;
}
.kz-payment-type-btn svg,
.kz-payment-type-btn i {
  color: currentColor;
  stroke: currentColor;
  flex-shrink: 0;
}
.kz-payment-type-btn.active {
  background: var(--primary);
  color: var(--fg-on-primary, #fff);
  border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(0,0,0,.06);
}
.kz-payment-type-btn.active:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}
.kz-payment-type-btn:hover:not(.active) {
  border-color: var(--border-strong);
  background: var(--bg-muted);
  color: var(--fg-1);
}
.kz-payment-type-btn:focus-visible {
  outline: none;
  box-shadow: var(--sh-glow-teal, 0 0 0 4px rgba(0,179,176,.18));
}

/* ---------- Monthly Payment Mode selectable cards ---------- */
.kz-mode-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 10px;
}
@media (max-width: 640px) {
  .kz-mode-cards { grid-template-columns: 1fr; }
}
.kz-mode-card {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  border: 1px solid var(--border);
  background: var(--bg-surface);
  color: var(--fg-1);
  cursor: pointer;
  transition: all .18s ease;
  user-select: none;
  margin: 0;
  font-weight: 600;
  font-size: var(--fs-md);
}
.kz-mode-card:hover:not(.active) {
  border-color: var(--border-strong);
  background: var(--bg-muted);
}
.kz-mode-card.active {
  border-color: var(--primary);
  background: var(--primary-tint, rgba(0,179,176,.08));
  box-shadow: 0 0 0 1px var(--primary) inset;
  color: var(--primary);
}
.kz-mode-card-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}
.kz-mode-card-radio {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  background: var(--bg-surface);
  position: relative;
  transition: all .18s ease;
}
.kz-mode-card.active .kz-mode-card-radio {
  border-color: var(--primary);
}
.kz-mode-card.active .kz-mode-card-radio::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 50%;
  background: var(--primary);
}
.kz-mode-card-icon {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--fg-2);
}
.kz-mode-card.active .kz-mode-card-icon { color: var(--primary); }
.kz-mode-card-icon svg { stroke: currentColor; color: currentColor; }
.kz-mode-card-title {
  flex: 1;
  min-width: 0;
}
.kz-mode-card:focus-within {
  outline: none;
  box-shadow: var(--sh-glow-teal, 0 0 0 4px rgba(0,179,176,.18));
}
.kz-mode-card.active:focus-within {
  box-shadow: 0 0 0 1px var(--primary) inset, var(--sh-glow-teal, 0 0 0 4px rgba(0,179,176,.18));
}

/* ---------- Toggle cell (bordered box) ---------- */
.kz-toggle-cell {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px 16px;
  background: var(--bg-surface);
}
.kz-toggle-cell .form-check-label {
  font-weight: 600;
  font-size: var(--fs-md);
}
.kz-toggle-cell .kz-caption,
.kz-toggle-cell .kz-toggle-help {
  margin-top: 6px;
}

/* ---------- Superficies / Cards ---------- */
.kz-surface {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
}
.kz-surface-flat {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}
.kz-surface-elevated {
  background: var(--bg-surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-md);
  padding: var(--sp-6);
}
.kz-divider { height: 1px; background: var(--border); margin: var(--sp-4) 0; }

/* ---------- Stat tile ---------- */
.kz-stat {
  padding: var(--sp-5) var(--sp-6);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  transition: all .22s ease;
}
.kz-stat:hover { border-color: var(--border-strong); transform: translateY(-2px); box-shadow: var(--sh-sm); }
.kz-stat-value {
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--fg-1);
  font-variant-numeric: tabular-nums;
}
.kz-stat-delta { display: inline-flex; align-items: center; gap: 4px; font-size: var(--fs-sm); font-weight: 500; }
.kz-stat-delta.up   { color: var(--success-500); }
.kz-stat-delta.down { color: var(--danger-500); }
/* Flip the down-arrow glyph to point up when the delta direction calls for it
   (e.g. debt grew vs prior period). Saves shipping a second SVG icon. */
.kz-stat-delta .icon { display: inline-flex; transition: transform .2s ease; }
.kz-stat-delta.arrow-up .icon { transform: rotate(180deg); }
.kz-stat-foot { font-size: var(--fs-sm); color: var(--fg-3); }

/* ---------- Account card ---------- */
.kz-acct-card {
  background: var(--bg-surface);
  border-radius: var(--r-lg);
  padding: var(--sp-5) var(--sp-6);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sp-5);
  align-items: center;
  border: 1px solid var(--border);
  transition: all .22s ease;
  cursor: pointer;
}
.kz-acct-card:hover { box-shadow: var(--sh-md); transform: translateY(-2px); border-color: transparent; }
.kz-acct-issuer { font-weight: 600; font-size: var(--fs-lg); color: var(--fg-1); letter-spacing: -0.01em; margin-bottom: 2px; }
.kz-acct-meta   { font-size: var(--fs-sm); color: var(--fg-3); margin: 6px 0; }
.kz-acct-balance {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: var(--fs-3xl);
  color: var(--fg-1);
  letter-spacing: -0.02em;
  display: inline-block;
  position: relative;
  padding-bottom: 6px;
  font-variant-numeric: tabular-nums;
}
.kz-acct-balance::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--accent);
  width: var(--util, 60%);
  max-width: 85%;
  transition: width .4s ease;
}
.kz-acct-due { margin-top: 14px; font-size: var(--fs-sm); color: var(--fg-3); }
.kz-acct-due b { color: var(--fg-1); font-weight: 600; margin-left: 6px; }

.kz-card-thumb {
  width: 110px;
  height: 70px;
  border-radius: 8px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
  padding: 8px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08), var(--sh-sm);
  color: white;
  font-size: 10px;
  font-weight: 500;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.kz-card-thumb .net { font-family: var(--font-mono); font-size: 9px; opacity: .9; letter-spacing: 0.04em; }
.kz-acct-last4 { font-size: var(--fs-sm); color: var(--fg-3); margin-top: 4px; letter-spacing: 0.04em; text-align: right; }

.thumb-visa       { background: linear-gradient(135deg, #1A1F3A, #2B3574); }
.thumb-mastercard { background: linear-gradient(135deg, #1A1A1A, #3A2A2A); }
.thumb-amex       { background: linear-gradient(135deg, #0E4F7A, #1870A8); }
.thumb-discover   { background: linear-gradient(135deg, #6E4600, #C47800); }
.thumb-other      { background: linear-gradient(135deg, #2C1E4F, #5A3E9E); }
.thumb-teal       { background: linear-gradient(135deg, var(--teal-700), var(--teal-500)); }

/* ---------- Badge ---------- */
.kz-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--r-full);
  font-size: 11px;
  font-weight: 500;
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}
.kz-badge-success { background: rgba(20,184,106,.14);  color: var(--success-600); }
.kz-badge-warning { background: rgba(251,188,5,.18);   color: #8B6C00; }
.kz-badge-danger  { background: rgba(234,67,53,.14);   color: var(--danger-600); }
.kz-badge-info    { background: rgba(66,133,244,.14);  color: var(--info-500); }
.kz-badge-neutral { background: var(--bg-muted);       color: var(--fg-2); }
.kz-badge-primary { background: var(--primary-tint);   color: var(--primary); }
[data-theme="dark"] .kz-badge-warning { color: var(--amber-300); }

/* ---------- Inputs ---------- */
.kz-field { display: block; margin-bottom: var(--sp-4); }
.kz-field label { display: block; font-size: var(--fs-sm); font-weight: 500; color: var(--fg-2); margin-bottom: 6px; }
.kz-input, .kz-select {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  background: var(--bg-surface);
  color: var(--fg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  outline: none;
  transition: all .18s ease;
}
.kz-input:focus, .kz-select:focus { border-color: var(--primary); box-shadow: var(--ring); }
.kz-input::placeholder { color: var(--fg-3); }

/* ---------- Tabla ---------- */
.kz-table { width: 100%; border-collapse: collapse; }
.kz-table th, .kz-table td { text-align: left; padding: 14px var(--sp-5); font-size: var(--fs-md); }
.kz-table th {
  font-size: var(--fs-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}
.kz-table td { border-bottom: 1px solid var(--border); color: var(--fg-1); }
.kz-table tbody tr { transition: background .15s ease; cursor: pointer; }
.kz-table tbody tr:hover { background: var(--bg-muted); }

/* ---------- Tabs / Segmented ---------- */
.kz-tabs {
  display: inline-flex;
  gap: var(--sp-1);
  padding: 4px;
  background: var(--bg-muted);
  border-radius: var(--r-sm);
  position: relative;
  isolation: isolate;
}
.kz-tab {
  padding: 6px 14px;
  border-radius: calc(var(--r-sm) - 2px);
  font-size: var(--fs-sm);
  font-weight: 500;
  cursor: pointer;
  color: var(--fg-2);
  border: none;
  background: transparent;
  transition: color .2s ease;
  position: relative;
  z-index: 1;
}
.kz-tab:hover { color: var(--fg-1); }
.kz-tab.active { color: var(--fg-1); }
/* Animated sliding pill — positioned via JS-set CSS variables --pill-x and --pill-w */
.kz-tabs[data-animated="true"]::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 0;
  width: var(--pill-w, 0px);
  transform: translateX(var(--pill-x, 0px));
  background: var(--bg-surface);
  border-radius: calc(var(--r-sm) - 2px);
  box-shadow: var(--sh-xs);
  transition: transform .28s cubic-bezier(.34,1.2,.64,1), width .28s cubic-bezier(.34,1.2,.64,1);
  z-index: 0;
  pointer-events: none;
}
/* When animated pill is active, suppress the static highlight on .active */
.kz-tabs[data-animated="true"] .kz-tab.active { background: transparent; box-shadow: none; }
/* Fallback static styling for non-animated tab groups */
.kz-tabs:not([data-animated="true"]) .kz-tab.active {
  background: var(--bg-surface);
  box-shadow: var(--sh-xs);
}

/* ---------- Compact dashboard widgets (Smart Calc / Payoff) ---------- */
.kz-widget-compact {
  padding: var(--sp-5);
}
.kz-widget-compact .widget-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--fg-1);
  margin-bottom: 12px;
}
.kz-widget-compact .widget-title .kz-label-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--fg-3);
  text-transform: uppercase;
  margin-left: auto;
}
.kz-budget-stepper {
  display: flex;
  align-items: stretch;
  gap: 6px;
}
.kz-budget-stepper .kz-budget-input-group { flex: 1; }
.kz-step-btn {
  flex: 0 0 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  color: var(--fg-1);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  font-size: 18px;
  line-height: 1;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: background .12s ease, border-color .12s ease, transform .08s ease;
}
.kz-step-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--primary);
}
.kz-step-btn:active { transform: scale(0.95); }
.kz-step-btn:focus-visible {
  outline: none;
  border-color: var(--primary);
  box-shadow: var(--ring);
}
.kz-budget-input-group {
  display: flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-surface);
  overflow: hidden;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.kz-budget-input-group:focus-within {
  border-color: var(--primary);
  box-shadow: var(--ring);
}
.kz-budget-input-group .prefix {
  display: inline-flex;
  align-items: center;
  padding: 0 10px;
  background: var(--bg-muted);
  color: var(--fg-3);
  font-weight: 500;
  font-size: var(--fs-sm);
  border-right: 1px solid var(--border);
}
.kz-budget-input-group input {
  flex: 1;
  padding: 8px 10px;
  border: none;
  outline: none;
  background: transparent;
  font-size: var(--fs-base);
  color: var(--fg-1);
  font-family: var(--font-sans);
  min-width: 0;
}
.kz-budget-slider {
  appearance: none;
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: var(--bg-muted);
  border-radius: var(--r-full);
  outline: none;
  margin: 12px 0 6px;
}
.kz-budget-slider::-webkit-slider-thumb {
  appearance: none;
  -webkit-appearance: none;
  width: 16px; height: 16px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-surface);
  box-shadow: var(--sh-xs);
  transition: transform .15s ease;
}
.kz-budget-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.kz-budget-slider::-moz-range-thumb {
  width: 14px; height: 14px;
  background: var(--primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-surface);
}
.kz-savings-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--primary-tint);
  border-radius: var(--r-sm);
  margin-top: 12px;
  font-size: var(--fs-sm);
}
.kz-savings-line .label { color: var(--fg-2); }
.kz-savings-line .amount {
  font-family: var(--font-serif);
  font-size: var(--fs-lg);
  color: var(--primary);
  font-variant-numeric: tabular-nums;
}
.kz-payoff-progress {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 4px 0 12px;
}
.kz-payoff-progress .ring-wrap { flex-shrink: 0; }
.kz-payoff-progress .ring-meta { flex: 1; min-width: 0; }
.kz-payoff-progress .ring-meta .strategy-name {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--fg-1);
  margin-bottom: 2px;
}
.kz-payoff-progress .ring-meta .strategy-sub {
  font-size: var(--fs-xs);
  color: var(--fg-3);
}
.kz-payoff-savings {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 6px;
}
.kz-payoff-savings .label {
  font-size: var(--fs-xs);
  color: var(--fg-3);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.kz-payoff-savings .amount {
  font-family: var(--font-serif);
  font-size: var(--fs-xl);
  color: var(--success-500);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

/* ---------- Period-change loading state (subtle dim + shimmer) ---------- */
.kz-loadable {
  position: relative;
  transition: opacity .18s ease;
}
.kz-loadable[aria-busy="true"] {
  opacity: .55;
  pointer-events: none;
}
.kz-loadable[aria-busy="true"]::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    transparent 0%,
    color-mix(in srgb, var(--surface) 30%, transparent) 50%,
    transparent 100%);
  background-size: 200% 100%;
  animation: kz-shimmer 1.1s linear infinite;
  pointer-events: none;
}
@keyframes kz-shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

/* ---------- Smart Calculator empty state ---------- */
.kz-empty-state {
  text-align: center;
  padding: 18px 12px 8px;
}
.kz-empty-state .icon {
  display: inline-flex;
  align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: var(--r-full);
  background: color-mix(in srgb, var(--primary) 12%, transparent);
  color: var(--primary);
  margin-bottom: 8px;
}
.kz-empty-state .msg {
  font-size: var(--fs-sm);
  color: var(--fg-2);
  margin-bottom: 10px;
}

/* ---------- Toggle switch ---------- */
.kz-toggle-track {
  width: 36px; height: 20px;
  border-radius: var(--r-full);
  background: var(--border-strong);
  position: relative;
  cursor: pointer;
  transition: background .18s ease;
  flex-shrink: 0;
  border: none;
  display: inline-block;
}
.kz-toggle-track.on { background: var(--primary); }
.kz-toggle-knob {
  position: absolute;
  top: 3px; left: 3px;
  width: 14px; height: 14px;
  background: white;
  border-radius: 50%;
  transition: left .18s ease;
}
.kz-toggle-track.on .kz-toggle-knob { left: 19px; }

/* ---------- Flash messages (reemplaza alerts Bootstrap) ---------- */
.kz-alert {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-5);
  border-radius: var(--r-md);
  margin-bottom: var(--sp-3);
  font-size: var(--fs-md);
}
.kz-alert-success { background: rgba(20,184,106,.12); color: var(--success-600); border: 1px solid rgba(20,184,106,.25); }
.kz-alert-danger,
.kz-alert-error   { background: rgba(234,67,53,.10);  color: var(--danger-600);  border: 1px solid rgba(234,67,53,.25); }
.kz-alert-warning { background: rgba(251,188,5,.14);  color: #8B6C00;             border: 1px solid rgba(251,188,5,.3); }
.kz-alert-info    { background: rgba(66,133,244,.12); color: var(--info-500);    border: 1px solid rgba(66,133,244,.25); }
.kz-alert-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: .6;
  padding: 0;
  line-height: 1;
}
.kz-alert-close:hover { opacity: 1; }
[data-theme="dark"] .kz-alert-warning { color: var(--amber-300); }

/* ---------- Promo banner ---------- */
.kz-promo {
  background: var(--teal-50);
  border: 1px solid var(--teal-100);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}
[data-theme="dark"] .kz-promo { background: rgba(0,179,176,.10); border-color: rgba(0,179,176,.22); }
.kz-promo-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--teal-100);
  display: flex; align-items: center; justify-content: center;
  color: var(--teal-700);
  flex-shrink: 0;
}
[data-theme="dark"] .kz-promo-icon { background: rgba(0,179,176,.20); color: var(--teal-200); }

/* ---------- Landing page pública ---------- */
.kz-landing-nav {
  display: flex;
  align-items: center;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
  gap: 24px;
  background: var(--bg-app);
  position: sticky;
  top: 0;
  z-index: 20;
}
.kz-landing-brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 22px; letter-spacing: -0.02em;
  flex: 1; color: var(--fg-1);
}
.kz-landing-link { font-size: var(--fs-sm); color: var(--fg-3); cursor: pointer; }
.kz-landing-link:hover { color: var(--fg-1); }

/* ---------- Login split screen ---------- */
.kz-auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-app);
}
.kz-auth-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
}
.kz-auth-form-inner { width: 100%; max-width: 400px; }
.kz-auth-visual {
  background: linear-gradient(160deg, var(--navy-800), var(--navy-900) 60%, #001825);
  color: white;
  padding: 48px;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

/* Login visual panel: cards illustration backdrop with overlay so the
   quote stays the protagonist. */
.kz-auth-visual--cards {
  background-size: cover, cover;
  background-position: center, center;
  background-repeat: no-repeat, no-repeat;
}

/* Inline password eye toggle (login page).
   The wrapper is relatively positioned; the input gets right padding so
   the typed characters never slide under the button. */
.kz-password-wrap {
  position: relative;
  display: block;
}
.kz-password-wrap .kz-input {
  padding-right: 44px;
}
.kz-password-eye {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  border-radius: var(--r-sm);
  color: var(--fg-3);
  cursor: pointer;
  padding: 0;
  transition: color .15s ease, background .15s ease;
}
.kz-password-eye:hover { color: var(--fg-1); background: var(--bg-muted); }
.kz-password-eye:focus-visible {
  outline: none;
  box-shadow: var(--ring);
  color: var(--fg-1);
}
.kz-password-eye i { font-size: 14px; line-height: 1; }

/* ---------- Grid helpers ---------- */
.kz-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-5); }
.kz-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-5); }
.kz-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.kz-row { display: flex; gap: var(--sp-4); align-items: center; }
.kz-col { display: flex; flex-direction: column; gap: var(--sp-4); }
.kz-grow { flex: 1; }
.kz-spacer { height: var(--sp-6); }
.kz-muted  { color: var(--fg-3); }
.kz-strong { font-weight: 600; }

/* ---------- Animaciones ---------- */
@keyframes kz-fadeInUp {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes kz-spin { to { transform: rotate(360deg); } }

.kz-fade-in { animation: kz-fadeInUp .36s cubic-bezier(.2,.8,.2,1) both; }
.kz-fade-in:nth-child(2) { animation-delay: .04s; }
.kz-fade-in:nth-child(3) { animation-delay: .08s; }
.kz-fade-in:nth-child(4) { animation-delay: .12s; }
.kz-fade-in:nth-child(5) { animation-delay: .16s; }

/* ---------- Scrollbar ---------- */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--r-full); border: 2px solid var(--bg-app); }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .kz-app { grid-template-columns: 1fr; }
  .kz-sidebar { display: none; }
  .kz-grid-3, .kz-grid-4 { grid-template-columns: 1fr 1fr; }
  .kz-page { padding: var(--sp-5); }
  .kz-auth-shell { grid-template-columns: 1fr; }
  .kz-auth-visual { display: none; }
  .kz-landing-nav { padding: 16px 20px; }
}
@media (max-width: 600px) {
  .kz-grid-2, .kz-grid-3, .kz-grid-4 { grid-template-columns: 1fr; }
}

/* ---------- Modal ---------- */
.kz-modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(8,22,45,.55);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 2000;
  padding: 20px;
}
.kz-modal {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  width: 640px;
  max-width: 100%;
  max-height: 90vh;
  overflow: auto;
}
.kz-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.kz-modal-title { flex: 1; font-size: 17px; font-weight: 600; }
.kz-modal-body  { padding: 24px; }

/* ─────────────────────────────────────────────────────
   Global Search Palette (topbar dropdown)
   ───────────────────────────────────────────────────── */
.kz-search-wrap { position: relative; }

.kz-search-panel {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--sh-md);
  max-height: 60vh;
  overflow: auto;
  z-index: 1500;
  display: none;
  padding: 6px 0;
}
.kz-search-panel.is-open { display: block; }

.kz-search-group { padding: 4px 0; }
.kz-search-group + .kz-search-group { border-top: 1px solid var(--border); }
.kz-search-group-label {
  padding: 6px 14px 4px;
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--fg-3);
  font-weight: 600;
}
.kz-search-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--fg-1);
  text-decoration: none;
  font-size: 14px;
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
}
.kz-search-item:hover,
.kz-search-item.is-active {
  background: var(--bg-muted);
  color: var(--fg-1);
}
.kz-search-item .kz-search-main { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kz-search-item .kz-search-meta { color: var(--fg-3); font-size: 12px; flex-shrink: 0; }
.kz-search-item .kz-search-amt  { font-family: var(--font-serif); font-variant-numeric: tabular-nums; color: var(--fg-1); }
.kz-search-empty {
  padding: 24px 14px;
  color: var(--fg-3);
  text-align: center;
  font-size: 13px;
}
.kz-search-loading { padding: 18px 14px; color: var(--fg-3); text-align: center; font-size: 13px; }

/* ─────────────────────────────────────────────────────
   AI Assistant page
   ───────────────────────────────────────────────────── */
.kz-ai-shell {
  display: flex;
  flex-direction: column;
  min-height: 65vh;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.kz-ai-shell #chat-messages {
  flex: 1;
  padding: 22px 24px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-app);
}
.kz-ai-shell #chat-input-container {
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}

/* Bot/user bubble theming on top of the existing .chat-message classes */
.kz-ai-shell .chat-message { max-width: 78%; }
.kz-ai-shell .bot-message  { align-self: flex-start; }
.kz-ai-shell .user-message { align-self: flex-end; }
.kz-ai-shell .message-content {
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--bg-muted);
  color: var(--fg-1);
  font-size: 14px;
  line-height: 1.45;
  word-wrap: break-word;
}
.kz-ai-shell .user-content {
  background: var(--primary-tint);
  color: var(--fg-1);
}
.kz-ai-shell .bot-avatar {
  width: 30px; height: 30px; flex-shrink: 0;
  border-radius: 50%;
  background: var(--primary-tint);
  color: var(--primary);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px;
}