/* ============================================================
   KLOSI CORE — Componentes universais
   Compartilhado entre /comercial e /app.
   Sempre incluir DEPOIS de tokens.css.

   Cobre: reset, body, .btn, .field, .checkbox, .switch,
   .modal, .toast, .theme-toggle, .badge, .auth__logo,
   helpers de animação e .sr-only.

   Cada plataforma adiciona seu CSS específico depois deste.
   ============================================================ */

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-ui, 'DM Sans', system-ui, sans-serif);
  font-size: var(--fs-body, 16px);
  line-height: var(--lh-body, 1.5);
  color: var(--text-primary);
  background: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: var(--brand-primary); text-decoration: none; }

/* ============ Logo Klosi (auth + topbar) ============ */
.auth__logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display, 'Outfit', sans-serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  text-decoration: none;
}
.auth__logo-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--violet-600), var(--violet-800));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
  position: relative;
}
.auth__logo-mark::after {
  content: "";
  position: absolute;
  right: -3px;
  bottom: -3px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--coral-600);
  border: 2px solid var(--bg-secondary);
}

/* ============ Theme toggle ============ */
.theme-toggle {
  appearance: none;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--r-md);
  background: transparent;
  border: 1px solid var(--border-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--dur, .2s), color var(--dur, .2s), border-color var(--dur, .2s);
}
.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border-color: var(--border-primary);
}
.theme-toggle svg { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
/* Alias das telas de auth portadas do protótipo (cadastro/onboarding/2FA usam ico-*): sem estas
   regras aqui, lua E sol renderizam juntos em páginas que não carregam cadastro.css (#382/R23).
   Render canônico do protótipo de auth (cadastro.css): light mostra a lua; dark mostra o sol. */
.theme-toggle .ico-sun { display: none; }
[data-theme="dark"] .theme-toggle .ico-sun { display: block; }
[data-theme="dark"] .theme-toggle .ico-moon { display: none; }

/* ============ Botões ============ */
.btn {
  appearance: none;
  font-family: inherit;
  font-weight: 600;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur, .2s), border-color var(--dur, .2s),
              color var(--dur, .2s), transform var(--dur, .2s),
              box-shadow var(--dur, .2s);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.2;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible {
  outline: 3px solid var(--brand-soft-2);
  outline-offset: 1px;
}
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--sm    { padding: 7px 12px;  font-size: 13px; }
.btn--lg    { padding: 12px 20px; font-size: 15px; }
.btn--block { width: 100%; }

.btn--primary {
  background: var(--brand-primary);
  color: var(--text-on-brand);
}
.btn--primary:hover { background: var(--brand-primary-hover); }

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border-color: var(--border-primary);
}
.btn--ghost:hover {
  background: var(--bg-tertiary);
}

.btn--secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-primary);
}
.btn--secondary:hover {
  background: var(--bg-tertiary);
}

.btn--danger {
  background: var(--danger-strong, var(--red-600));
  color: #fff;
}
.btn--danger:hover { background: var(--red-800); }

.btn--google {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-primary);
  width: 100%;
}
.btn--google:hover { background: var(--bg-tertiary); }
.btn--google img,
.btn--google svg { width: 18px; height: 18px; }

/* ============ Fields ============ */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  position: relative;
}
.field__label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}
.field__label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.field__optional {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-tertiary);
}
.field__hint {
  font-size: 12px;
  color: var(--text-tertiary);
}
.field__error {
  font-size: 12px;
  color: var(--danger-strong, var(--red-600));
  display: none;
}
.field.is-invalid .field__error { display: block; }
.field.is-invalid .field__input,
.field.is-invalid .field__select,
.field.is-invalid .field__textarea {
  border-color: var(--danger-strong, var(--red-600));
}

.field__input,
.field__select,
.field__textarea {
  appearance: none;
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.4;
  transition: border-color var(--dur, .2s), box-shadow var(--dur, .2s);
}
.field__textarea { resize: vertical; min-height: 96px; }
.field__input::placeholder,
.field__textarea::placeholder { color: var(--text-tertiary); }
.field__input:focus,
.field__select:focus,
.field__textarea:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--brand-soft-2);
}
.field__input:disabled,
.field__select:disabled,
.field__textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--bg-tertiary);
}

/* Field com ícone à esquerda */
.field--with-icon { position: relative; }
.field--with-icon .field__icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
  display: flex;
  align-items: center;
}
.field--with-icon .field__input { padding-left: 40px; }

/* Toggle de senha */
.field__toggle {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: 0;
  padding: 6px;
  border-radius: 6px;
  color: var(--text-tertiary);
  cursor: pointer;
  display: grid;
  place-items: center;
}
.field__toggle:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.field__toggle svg { display: block; width: 18px; height: 18px; }
.field__toggle .icon-eye-off { display: none; }
.field__toggle.is-visible .icon-eye    { display: none; }
.field__toggle.is-visible .icon-eye-off { display: block; }
.field--with-toggle .field__input { padding-right: 40px; }

/* Marca de sucesso (check verde) + erro/ajuda por data-state — usados pelos TagHelpers
   COMPARTILHADOS <k-text-field>/<k-email-field>/<k-money-field> (Klosi.Web.Shared). O markup
   emite .field__input-wrap, .field__success-mark, .field__helper e :data-state="estadoCampo(...)".
   Sem estas regras o SVG do check renderia em fluxo (visível ABAIXO do input) e o erro inline
   não apareceria no Site — bug pego no smoke da waitlist /em-breve (2026-06-14). O App sobrescreve
   estas mesmas regras em cadastro.css (carregado depois); aqui no core.css o componente fica
   auto-suficiente para qualquer plataforma (Site inclusive). */
.field__input-wrap { position: relative; }
.field__success-mark {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--success-fg);
  display: none;
}
.field[data-state="valid"] .field__success-mark { display: block; }
.field[data-state="valid"]:not(.field--with-icon) .field__input { padding-right: 40px; }
.field__helper { font-size: 12px; color: var(--text-tertiary); }
.field[data-state="invalid"] .field__error { display: inline-flex; align-items: center; gap: 4px; }
.field[data-state="invalid"] .field__helper { display: none; }

/* ============ Checkbox + Switch ============ */
.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
}
.checkbox input {
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 1px solid var(--border-primary);
  background: var(--bg-secondary);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  transition: background var(--dur, .2s), border-color var(--dur, .2s);
  flex-shrink: 0;
}
.checkbox input:checked {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
}
.checkbox input:checked::after {
  content: "";
  width: 10px;
  height: 10px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6L9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
}
.checkbox input:focus-visible {
  outline: 3px solid var(--brand-soft-2);
  outline-offset: 2px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch__track {
  width: 36px;
  height: 20px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-primary);
  position: relative;
  transition: background var(--dur, .2s), border-color var(--dur, .2s);
  flex-shrink: 0;
}
.switch__track::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 1px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(0,0,0,.15);
  transition: transform var(--dur, .2s);
}
.switch input:checked + .switch__track {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
}
.switch input:checked + .switch__track::after { transform: translateX(16px); }
.switch input:focus-visible + .switch__track {
  box-shadow: 0 0 0 3px var(--brand-soft-2);
}

/* ============ Badge ============ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-secondary);
}
.badge--brand   { background: var(--brand-soft); color: var(--violet-700); border-color: transparent; }
.badge--success { background: rgba(34,197,94,.12); color: var(--green-700); border-color: transparent; }
.badge--warn    { background: rgba(245,158,11,.12); color: var(--amber-700); border-color: transparent; }
.badge--danger  { background: rgba(239,68,68,.12); color: var(--red-700); border-color: transparent; }
[data-theme="dark"] .badge--brand   { color: var(--violet-300); }
[data-theme="dark"] .badge--success { color: var(--green-300); }
[data-theme="dark"] .badge--warn    { color: var(--amber-300); }
[data-theme="dark"] .badge--danger  { color: var(--red-300); }

/* ============ Modal ============ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.modal.is-open { display: flex; }
.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn var(--dur, .2s) ease;
}
.modal__dialog {
  position: relative;
  background: var(--bg-secondary);
  border-radius: var(--r-lg);
  border: 1px solid var(--border-secondary);
  box-shadow: var(--shadow-xl);
  max-width: 480px;
  width: 100%;
  max-height: calc(100vh - 48px);
  overflow: auto;
  animation: modalIn var(--dur, .2s) ease;
}
.modal__header {
  padding: 20px 24px 12px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}
.modal__title {
  margin: 0;
  font-family: var(--font-display, inherit);
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
}
.modal__close {
  appearance: none;
  background: transparent;
  border: 0;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  color: var(--text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
}
.modal__close:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.modal__body {
  padding: 0 24px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}
.modal__footer {
  padding: 12px 24px 20px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* ============ Toast ============ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: calc(100vw - 40px);
  pointer-events: none;
}
.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  min-width: 280px;
  max-width: 360px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-primary);
  pointer-events: auto;
  animation: toastIn var(--dur, .2s) ease;
}
.toast--success { border-left: 3px solid var(--green-600); }
.toast--error   { border-left: 3px solid var(--red-600); }
.toast--info    { border-left: 3px solid var(--brand-primary); }
.toast--warn    { border-left: 3px solid var(--amber-600); }
.toast__icon { flex-shrink: 0; margin-top: 2px; }
.toast--success .toast__icon { color: var(--green-600); }
.toast--error   .toast__icon { color: var(--red-600); }
.toast--info    .toast__icon { color: var(--brand-primary); }
.toast--warn    .toast__icon { color: var(--amber-600); }
.toast__body { flex: 1; }
.toast__title { font-weight: 600; margin-bottom: 2px; }
.toast__msg { color: var(--text-secondary); font-size: 13px; }
.toast__close {
  appearance: none;
  background: transparent;
  border: 0;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 2px;
  border-radius: 4px;
}
.toast__close:hover { color: var(--text-primary); }

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateX(20px); }
}

/* ============ Animações utilitárias ============ */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.fade-in   { animation: fadeIn   var(--dur, .2s) ease; }
.slide-up  { animation: slideUp  var(--dur, .2s) ease; }

/* ============ Helpers ============ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}