/* ============================================================
   KINVEST — COMPONENTES UNIVERSAIS (Fase B)
   ============================================================
   Consome os design tokens --k-* definidos em tokens.css.
   Todos os componentes usam prefixo .k-* para conviver com
   o CSS antigo. Aplicação nas telas existentes acontece só
   na Fase C.
   ============================================================ */


/* =============================================================
   BOTÕES — .k-btn
   Variantes: primary, secondary, ghost, danger
   Tamanhos:  sm (28px), md (36px, default), lg (44px)
   Modificadores: --block (full-width), --icon-only, --loading
   ============================================================= */

.k-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--k-sp-2);
  height: 36px;
  padding: 0 var(--k-sp-4);
  border-radius: var(--k-r-md);
  border: 1px solid transparent;
  font-family: var(--k-font-sans);
  font-size: var(--k-fs-sm);
  font-weight: var(--k-fw-medium);
  line-height: 1;
  letter-spacing: 0;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: background var(--k-t-fast), border-color var(--k-t-fast), color var(--k-t-fast), box-shadow var(--k-t-fast);
  text-decoration: none;
}

.k-btn:focus-visible {
  outline: none;
  box-shadow: var(--k-ring);
}

.k-btn:disabled,
.k-btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

/* Tamanhos */
.k-btn--sm  { height: 28px; padding: 0 var(--k-sp-3); font-size: var(--k-fs-xs); border-radius: var(--k-r-sm); gap: var(--k-sp-1); }
.k-btn--lg  { height: 44px; padding: 0 var(--k-sp-5); font-size: var(--k-fs-base); }
.k-btn--block { display: flex; width: 100%; }
.k-btn--icon-only { padding: 0; width: 36px; }
.k-btn--sm.k-btn--icon-only { width: 28px; }
.k-btn--lg.k-btn--icon-only { width: 44px; }

/* Primary (azul Kinvest) */
.k-btn--primary {
  background: var(--k-primary);
  color: #fff;
  border-color: var(--k-primary);
}
.k-btn--primary:hover:not(:disabled) {
  background: var(--k-primary-hover);
  border-color: var(--k-primary-hover);
}

/* Secondary (borda + fundo surface) */
.k-btn--secondary {
  background: var(--k-bg-surface);
  color: var(--k-text);
  border-color: var(--k-border);
}
.k-btn--secondary:hover:not(:disabled) {
  background: var(--k-bg-hover);
  border-color: var(--k-border-strong);
}

/* Ghost (sem fundo) */
.k-btn--ghost {
  background: transparent;
  color: var(--k-text-body);
  border-color: transparent;
}
.k-btn--ghost:hover:not(:disabled) {
  background: var(--k-bg-hover);
  color: var(--k-text);
}

.k-btn--ghost.k-btn--danger {
  background: transparent;
  color: var(--k-danger-fg);
  border-color: transparent;
}
.k-btn--ghost.k-btn--danger:hover:not(:disabled) {
  background: var(--k-danger-soft);
  color: var(--k-danger-fg);
  border-color: transparent;
}

/* Danger */
.k-btn--danger {
  background: var(--k-danger);
  color: #fff;
  border-color: var(--k-danger);
}
.k-btn--danger:hover:not(:disabled) {
  background: var(--k-danger-hover);
  border-color: var(--k-danger-hover);
}

/* Success (verde) — usado em ações financeiras confirmadas (ex: Aportar) */
.k-btn--success {
  background: var(--k-success);
  color: #fff;
  border-color: var(--k-success);
}
.k-btn--success:hover:not(:disabled) {
  background: var(--k-success-hover);
  border-color: var(--k-success-hover);
}

/* Loading state — trava clique e mostra spinner no lugar do conteúdo */
.k-btn--loading {
  color: transparent !important;
  pointer-events: none;
  position: relative;
}
.k-btn--loading::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: k-spin 0.7s linear infinite;
  color: inherit;
  top: 50%; left: 50%;
  margin: -7px 0 0 -7px;
  opacity: 0.9;
}
.k-btn--primary.k-btn--loading::after,
.k-btn--danger.k-btn--loading::after { border-color: #fff; border-right-color: transparent; }

@keyframes k-spin { to { transform: rotate(360deg); } }


/* =============================================================
   PILLS / BADGES — .k-pill
   Variantes: info, success, warn, danger, neutral, gold
   Tamanhos:  sm (20px), md (24px, default)
   ============================================================= */

.k-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  height: 24px;
  padding: 0 10px;
  border-radius: var(--k-r-pill);
  font-family: var(--k-font-sans);
  font-size: var(--k-fs-2xs);
  font-weight: var(--k-fw-medium);
  line-height: 1;
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.k-pill--sm { height: 20px; padding: 0 8px; font-size: 0.65rem; }

.k-pill--info    { background: var(--k-primary-soft); color: var(--k-primary-fg); }
.k-pill--success { background: var(--k-success-soft); color: var(--k-success-fg); }
.k-pill--warn    { background: var(--k-warn-soft);    color: var(--k-warn-fg); }
.k-pill--danger  { background: var(--k-danger-soft);  color: var(--k-danger-fg); }
.k-pill--neutral { background: var(--k-bg-muted);     color: var(--k-text-muted); }
.k-pill--gold    { background: var(--k-gold-soft);    color: var(--k-gold-fg); }

/* Ícone interno — fica um pouco menor que o texto */
.k-pill .k-icon { width: 12px; height: 12px; stroke-width: 2.25; }


/* =============================================================
   CARDS — .k-card
   Slots: .k-card-header / .k-card-body / .k-card-footer
   Variantes: default, ghost (sem borda/sombra)
   ============================================================= */

.k-card {
  background: var(--k-bg-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-lg);
  box-shadow: var(--k-shadow-xs);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.k-card--ghost {
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
}

.k-card-header {
  padding: var(--k-sp-4) var(--k-sp-5);
  border-bottom: 1px solid var(--k-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--k-sp-3);
}
.k-card-header .k-card-title {
  font-size: var(--k-fs-md);
  font-weight: var(--k-fw-semibold);
  color: var(--k-text);
  letter-spacing: -0.005em;
  margin: 0;
}
.k-card-header .k-card-subtitle {
  font-size: var(--k-fs-xs);
  color: var(--k-text-muted);
  margin: 2px 0 0;
}

.k-card-body {
  padding: var(--k-sp-5);
  flex: 1 1 auto;
}

.k-card-footer {
  padding: var(--k-sp-3) var(--k-sp-5);
  border-top: 1px solid var(--k-border-subtle);
  background: var(--k-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--k-sp-2);
}

/* Variação comprimida para KPI cards (densidade compacta) */
.k-card--kpi .k-card-body { padding: var(--k-sp-4); }
.k-card--kpi .k-kpi-label {
  font-size: var(--k-fs-xs);
  color: var(--k-text-muted);
  font-weight: var(--k-fw-medium);
  margin: 0 0 6px;
  display: flex; align-items: center; gap: 6px;
}
.k-card--kpi .k-kpi-value {
  font-size: var(--k-fs-xl);
  font-weight: var(--k-fw-semibold);
  letter-spacing: -0.01em;
  color: var(--k-text);
  line-height: 1.15;
}
.k-card--kpi .k-kpi-sub {
  font-size: var(--k-fs-xs);
  color: var(--k-text-muted);
  margin-top: 4px;
}


/* =============================================================
   MODAL UNIVERSAL — .k-modal
   Estrutura:
     <div class="k-modal-backdrop" data-k-modal-close>
       <div class="k-modal k-modal--md" role="dialog">
         <div class="k-modal-header">
           <div class="k-modal-brand">...(logo opcional)...</div>
           <h3 class="k-modal-title">Título</h3>
           <button class="k-modal-close" data-k-modal-close>×</button>
         </div>
         <div class="k-modal-body">...</div>
         <div class="k-modal-footer">...</div>
       </div>
     </div>
   Tamanhos: sm (360px), md (520px, default), lg (800px)
   ============================================================= */

.k-modal-backdrop {
  position: fixed;
  inset: 0;
  background: var(--k-overlay);
  z-index: var(--k-z-modal);
  display: none;
  align-items: center;           /* centralizado verticalmente */
  justify-content: center;
  padding: var(--k-sp-6) var(--k-sp-4);
  overflow-y: auto;
  animation: k-modal-fade var(--k-t-base) ease forwards;
}
.k-modal-backdrop.is-open { display: flex; }

.k-modal {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: auto;                  /* centralizado com align do backdrop */
  background: var(--k-bg-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-xl);
  box-shadow: var(--k-shadow-xl);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - var(--k-sp-12));
  animation: k-modal-pop var(--k-t-base) ease forwards;
}

.k-modal--sm { max-width: 420px; }   /* antes 360 — ganhou respiro */
.k-modal--md { max-width: 560px; }   /* antes 520 */
.k-modal--lg { max-width: 820px; }   /* antes 800 */
.k-modal--xl { max-width: 980px; }

.k-modal-header {
  display: flex;
  align-items: center;
  gap: var(--k-sp-3);
  padding: 2px var(--k-sp-5);
  border-bottom: 1px solid var(--k-border-subtle);
  min-height: 40px;
}
.k-modal-brand {
  display: flex; align-items: center; gap: 8px;
  margin-right: auto;
}
.k-modal-brand svg { height: 20px; width: auto; }
.k-modal-title {
  font-size: var(--k-fs-md);
  font-weight: var(--k-fw-semibold);
  color: var(--k-text);
  margin: 0;
  flex: 1 1 auto;
  letter-spacing: -0.005em;
}
.k-modal-close {
  appearance: none;
  background: transparent;
  border: none;
  color: var(--k-text-muted);
  cursor: pointer;
  width: 32px; height: 32px;
  border-radius: var(--k-r-sm);
  display: inline-flex; align-items: center; justify-content: center;
  transition: background var(--k-t-fast), color var(--k-t-fast);
}
.k-modal-close:hover { background: var(--k-bg-hover); color: var(--k-text); }
.k-modal-close:focus-visible { outline: none; box-shadow: var(--k-ring); }

.k-modal-body {
  padding: var(--k-sp-6);         /* 24px — antes 20px, mais respiro */
  overflow-y: auto;
  color: var(--k-text-body);
  font-size: var(--k-fs-sm);
  line-height: var(--k-lh-normal);
  flex: 1 1 auto;
}
.k-modal-body > h4:first-child { margin-bottom: var(--k-sp-3); }  /* título ganha ar */
.k-modal-body p { margin: 0 0 var(--k-sp-3); }
.k-modal-body p:last-child { margin-bottom: 0; }

.k-modal-footer {
  padding: var(--k-sp-3) var(--k-sp-5);
  border-top: 1px solid var(--k-border-subtle);
  background: var(--k-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--k-sp-2);
}

/* Scroll lock auxiliar — classe aplicada no <body> enquanto modal aberto */
html.k-modal-open,
body.k-modal-open { overflow: hidden; }

@keyframes k-modal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes k-modal-pop  { from { opacity: 0; transform: translateY(-8px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }


/* =============================================================
   MODAL — Modificador ACCENT (faixa semântica no topo)
   Adiciona uma barra colorida de 3px no topo do modal
   conforme o contexto (info/success/warn/danger).
   Uso: .k-modal.k-modal--accent.k-modal--accent-warn
   ============================================================= */
.k-modal--accent          { border-top: 3px solid var(--k-primary); /* default = info */ }
.k-modal--accent-info     { border-top-color: var(--k-primary); }
.k-modal--accent-success  { border-top-color: var(--k-success); }
.k-modal--accent-warn     { border-top-color: var(--k-warn); }
.k-modal--accent-danger   { border-top-color: var(--k-danger); }


/* =============================================================
   TABELAS — .k-table
   Densidade compacta (padrão). Variante --dense pra listas longas.
   ============================================================= */

.k-table-wrapper {
  background: var(--k-bg-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-lg);
  overflow: hidden;
}

.k-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--k-font-sans);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum';
}

.k-table thead th {
  text-align: left;
  font-size: var(--k-fs-xs);
  font-weight: var(--k-fw-semibold);
  color: var(--k-text-muted);
  background: var(--k-bg-subtle);
  padding: 10px 14px;
  border-bottom: 1px solid var(--k-border);
  white-space: nowrap;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.k-table tbody td {
  font-size: var(--k-fs-sm);
  color: var(--k-text-body);
  padding: 10px 14px;
  border-bottom: 1px solid var(--k-border-subtle);
  vertical-align: middle;
}
.k-table tbody tr:last-child td { border-bottom: 0; }
.k-table tbody tr:hover td { background: var(--k-bg-hover); }

/* Densidade mais apertada pra listas grandes */
.k-table--dense thead th { padding: 6px 10px; }
.k-table--dense tbody td { padding: 6px 10px; font-size: var(--k-fs-sm); }

/* Header sticky opcional */
.k-table--sticky thead th {
  position: sticky;
  top: 0;
  z-index: 1;
}

/* Utilitários */
.k-table .k-right  { text-align: right; }
.k-table .k-center { text-align: center; }

/* Célula de ativo (logo + ticker + nome opcional) */
.k-asset {
  display: flex; align-items: center; gap: 10px;
  min-width: 0;
}
.k-asset-logo {
  width: 24px; height: 24px;
  border-radius: 5px;
  background: linear-gradient(135deg, #059669, #f59e0b);
  color: #fff;
  font-size: 10px;
  font-weight: var(--k-fw-bold);
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.k-asset-logo img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.k-asset-info { min-width: 0; display: flex; flex-direction: column; line-height: 1.25; }
.k-asset-ticker {
  font-weight: var(--k-fw-semibold);
  color: var(--k-text);
  font-size: var(--k-fs-sm);
}
.k-asset-name {
  font-size: var(--k-fs-2xs);
  color: var(--k-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Utilitários semânticos para valores (variação, etc.) */
.k-pos { color: var(--k-success-fg); }
.k-neg { color: var(--k-danger-fg); }
.k-neu { color: var(--k-text-body); }   /* neutro: recua hierarquia em tabelas com pos/neg coloridos */


/* =============================================================
   ÍCONES LUCIDE — .k-icon
   Tamanho e stroke padronizados.
   Uso: <i class="k-icon" data-lucide="calendar"></i>
        <script> lucide.createIcons() </script>
   ============================================================= */

.k-icon,
[data-lucide] {
  width: 16px;
  height: 16px;
  stroke-width: 2;
  flex-shrink: 0;
  color: currentColor;
  display: inline-block;
  vertical-align: middle;
}
.k-icon--xs { width: 12px; height: 12px; stroke-width: 2.25; }
.k-icon--sm { width: 14px; height: 14px; }
.k-icon--md { width: 16px; height: 16px; }
.k-icon--lg { width: 20px; height: 20px; stroke-width: 1.75; }
.k-icon--xl { width: 24px; height: 24px; stroke-width: 1.5; }


/* =============================================================
   FORMULÁRIOS — .k-form-*
   Inputs, labels, hints, erros, select, textarea, checkbox/radio,
   divisor horizontal com texto no meio (.k-divider-text).
   ============================================================= */

.k-form-group {
  margin-bottom: var(--k-sp-4);
}
.k-form-group:last-child { margin-bottom: 0; }

.k-form-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--k-fs-xs);
  color: var(--k-text-muted);
  margin-bottom: var(--k-sp-2);
  font-weight: var(--k-fw-medium);
}
.k-form-label--required::after {
  content: '*';
  color: var(--k-danger);
  margin-left: 2px;
}

.k-form-input,
.k-form-select,
.k-form-textarea {
  width: 100%;
  font-family: var(--k-font-sans);
  font-size: var(--k-fs-sm);
  color: var(--k-text);
  background: var(--k-bg-surface);
  border: 1px solid var(--k-border);
  border-radius: var(--k-r-md);
  padding: var(--k-sp-2) var(--k-sp-3);
  min-height: 38px;
  transition: border-color var(--k-t-fast), box-shadow var(--k-t-fast), background var(--k-t-fast);
  font-variant-numeric: tabular-nums;
}
/* Dark: bg-surface (#161b22) > bg-app (#0d1117), então input em bg-app afunda no card — comportamento desejado */
[data-theme="dark"] .k-form-input,
[data-theme="dark"] .k-form-select,
[data-theme="dark"] .k-form-textarea {
  background: var(--k-bg-app);
}
.k-form-input:hover,
.k-form-select:hover,
.k-form-textarea:hover {
  border-color: var(--k-border-strong);
}
.k-form-input:focus,
.k-form-select:focus,
.k-form-textarea:focus {
  outline: none;
  border-color: var(--k-primary);
  box-shadow: var(--k-ring);
  background: var(--k-bg-surface);
}
.k-form-input::placeholder,
.k-form-textarea::placeholder {
  color: var(--k-text-subtle);
}
.k-form-textarea {
  min-height: 96px;
  resize: vertical;
  line-height: var(--k-lh-normal);
  padding: var(--k-sp-3);
}

/* Select: usa seta nativa + um pouco mais de padding à direita.
   Seta com cor adequada pra cada tema — claro usa slate-500 (#64748b, ~4.5:1), dark mantém o cinza original. */
.k-form-select {
  padding-right: var(--k-sp-8);
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--k-sp-3) center;
  background-size: 12px;
}
[data-theme="dark"] .k-form-select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

/* Estados de erro */
.k-form-input--error,
.k-form-select--error,
.k-form-textarea--error {
  border-color: var(--k-danger);
}
.k-form-input--error:focus,
.k-form-select--error:focus,
.k-form-textarea--error:focus {
  border-color: var(--k-danger);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

/* Disabled */
.k-form-input:disabled,
.k-form-select:disabled,
.k-form-textarea:disabled {
  background: var(--k-bg-muted);
  color: var(--k-text-muted);
  cursor: not-allowed;
}

.k-form-hint {
  display: block;
  font-size: var(--k-fs-2xs);
  color: var(--k-text-subtle);
  margin-top: var(--k-sp-1);
  line-height: var(--k-lh-normal);
}
.k-form-error {
  display: block;
  font-size: var(--k-fs-2xs);
  color: var(--k-danger-fg);
  margin-top: var(--k-sp-1);
  line-height: var(--k-lh-normal);
}

/* Checkbox / radio — usa accent-color pra ficar no azul Kinvest */
.k-form-check {
  accent-color: var(--k-primary);
  cursor: pointer;
}

/* Divisor horizontal com texto no meio (ex: "ou") — útil em auth */
.k-divider-text {
  display: flex;
  align-items: center;
  gap: var(--k-sp-3);
  color: var(--k-text-subtle);
  font-size: var(--k-fs-xs);
  margin: var(--k-sp-4) 0;
  text-transform: lowercase;
}
.k-divider-text::before,
.k-divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--k-border);
}


/* =============================================================
   DIVISOR e utilitários pequenos
   ============================================================= */

.k-divider {
  height: 1px;
  background: var(--k-border-subtle);
  border: none;
  margin: var(--k-sp-4) 0;
}
.k-stack-sm > * + * { margin-top: var(--k-sp-2); }
.k-stack-md > * + * { margin-top: var(--k-sp-4); }
.k-row { display: flex; align-items: center; gap: var(--k-sp-2); }
.k-row-end { display: flex; align-items: center; gap: var(--k-sp-2); justify-content: flex-end; }