/* Estilo para mensagens de erro dos campos inválidos */
.field-error {
  color: var(--danger, #ff5c5c);
  font-size: 13px;
  margin-top: 4px;
  margin-bottom: 2px;
  font-weight: 500;
}

/* Estilo para campos inválidos */
input.invalid, select.invalid, textarea.invalid {
  border-color: var(--danger, #ff5c5c);
  outline: 1px solid var(--danger, #ff5c5c);
}

:root {
  --bg-light: #f8fafc;
  --fg-light: #0b1220;
  --bg-dark: #181a20;
  --fg-dark: #f3f4f6;
  --muted-light: #4b5b6b;
  --muted-dark: #b0b8c1;
  --card-light: #ffffff;
  --card-dark: #23262b;
  --accent: #4ea1f3;
  --danger: #ff5c5c;
  --ok: #38c172;
  --border-light: #d3dee8;
  --border-dark: #353a40;
}

/* Modern visual improvements for the site */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;700&display=swap');

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, sans-serif;
  transition: background 0.3s, color 0.3s;
}

body[data-theme="dark"] {
  background: var(--bg-dark);
  color: var(--fg-dark);
}
body[data-theme="light"] {
  background: var(--bg-light);
  color: var(--fg-light);
}

.section {
  background: var(--card-light);
  border: 1px solid var(--border-light);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 6px 18px rgba(0,0,0,.08);
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,.10);
  transition: box-shadow 0.2s, background 0.3s;
  margin-bottom: 24px;
  padding: 20px;
}
body[data-theme="dark"] .section {
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  box-shadow: 0 8px 32px rgba(0,0,0,.32);
}

input, select, textarea {
  background: var(--card-light);
  color: var(--fg-light);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  transition: border 0.2s, box-shadow 0.2s, background 0.3s, color 0.3s;
  box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
body[data-theme="dark"] input, body[data-theme="dark"] select, body[data-theme="dark"] textarea {
  background: var(--card-dark);
  color: var(--fg-dark);
  border: 1px solid var(--border-dark);
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent);
}

button.btn {
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  border: none;
  padding: 10px 18px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s;
  border-radius: 14px;
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,.10);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background 0.2s, box-shadow 0.2s;
}
button.btn:hover {
  background: #2563eb;
}
button.btn:active {
  box-shadow: 0 1px 4px rgba(0,0,0,.18);
}

.card {
  background: var(--card-light);
  border-radius: 14px;
  box-shadow: 0 6px 18px rgba(0,0,0,.08);
  padding: 16px;
  border-radius: 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,.10);
  padding: 20px;
  margin-bottom: 24px;
}
body[data-theme="dark"] .card {
  background: var(--card-dark);
  box-shadow: 0 8px 32px rgba(0,0,0,.32);
}

/* Toggle theme button */
.theme-toggle {
  position: fixed;
  top: 18px;
  right: 18px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  z-index: 10000;
}
.theme-toggle:active {
  background: #2563eb;
}

label {
  font-size: 12px;
  color: var(--muted-light);
  margin-bottom: 4px;
  display: block;
  font-size: 13px;
  color: var(--muted-light);
  font-weight: 600;
  margin-bottom: 6px;
  display: block;
  letter-spacing: 0.2px;
  transition: color 0.3s;
}
body[data-theme="dark"] label {
  color: var(--muted-dark);
}
.section h2 {
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  transition: color 0.3s;
}
body[data-theme="dark"] .section h2 {
  color: #90cdf4;
}

/* Ripple effect for buttons */
button.btn {
  position: relative;
  overflow: hidden;
}
button.btn:after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 0;
  height: 0;
  background: rgba(255,255,255,0.3);
  border-radius: 100%;
  transform: translate(-50%, -50%);
  transition: width 0.3s, height 0.3s, opacity 0.3s;
  opacity: 0;
}
button.btn:active:after {
  width: 120px;
  height: 120px;
  opacity: 1;
  transition: 0s;
}

/* Toast animation */
.toast {
  animation: fadein 0.4s, fadeout 0.4s 2s;
}
@keyframes fadein {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeout {
  from { opacity: 1; }
  to { opacity: 0; }
}

/* Table improvements - suavizar destaque */
.table th, .table td {
  padding: 10px 8px;
  font-size: 14px;
}
.table th {
  background: var(--card-light);
  color: var(--fg-light);
  font-weight: 600;
  letter-spacing: 0.2px;
  border-bottom: 2px solid var(--border-light);
}
body[data-theme="dark"] .table th {
  background: var(--card-dark);
  color: var(--fg-dark);
  border-bottom: 2px solid var(--border-dark);
}
.table tr {
  transition: background 0.2s;
}
.table tr:hover {
  background: rgba(78,161,243,0.06);
}
body[data-theme="dark"] .table tr:hover {
  background: rgba(78,161,243,0.10);
}

/* Gradiente de fundo para o site */
body[data-theme="light"] {
  background: linear-gradient(120deg, #f8fafc 0%, #e3eafc 100%);
}
body[data-theme="dark"] {
  background: linear-gradient(120deg, #181a20 0%, #23262b 100%);
}

/* Adicionar ícones nos botões principais (exemplo para PDF) */
#btn-pdf:before {
  content: "\1F4C4";
  margin-right: 8px;
}
#btn-validar:before {
  content: "\2714";
  margin-right: 8px;
}
#btn-calcular:before {
  content: "\1F4CA";
  margin-right: 8px;
}
#add-invest:before {
  content: "\2795";
  margin-right: 8px;
}
#add-conta:before {
  content: "\2795";
  margin-right: 8px;
}

/* Animar adição/remoção de linhas nas tabelas */
@keyframes rowAdd {
  from { background: #c6f6d5; }
  to { background: inherit; }
}
@keyframes rowRemove {
  from { opacity: 1; }
  to { opacity: 0; height: 0; }
}
.table tr.added {
  animation: rowAdd 0.7s;
}
.table tr.removed {
  animation: rowRemove 0.5s forwards;
}

/* Gradiente sutil nos botões */
button.btn {
  background: linear-gradient(90deg, var(--accent) 0%, #2563eb 100%);
}
button.btn:active {
  background: linear-gradient(90deg, #2563eb 0%, var(--accent) 100%);
}

/* Responsividade extra */
@media (max-width: 700px) {
  .container, .section, .card {
    padding: 8px;
  }
  .grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .table th, .table td {
    font-size: 13px;
    padding: 7px 4px;
  }
}

/* Modern visual improvements for the site - complementos */
.header-fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(255,255,255,0.85);
  box-shadow: 0 2px 12px rgba(0,0,0,.08);
  z-index: 1000;
  backdrop-filter: blur(8px);
  transition: background 0.3s;
}
body[data-theme="dark"] .header-fixed {
  background: rgba(24,26,32,0.92);
  box-shadow: 0 2px 12px rgba(0,0,0,.32);
}
.avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0,0,0,.10);
  margin-right: 12px;
}
.divider {
  border: none;
  border-top: 1.5px solid var(--border-light);
  margin: 24px 0;
}
body[data-theme="dark"] .divider {
  border-top: 1.5px solid var(--border-dark);
}
.tooltip {
  position: absolute;
  background: var(--card-light);
  color: var(--fg-light);
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
  pointer-events: none;
  z-index: 10001;
  opacity: 0.98;
  transition: opacity 0.2s;
}
body[data-theme="dark"] .tooltip {
  background: var(--card-dark);
  color: var(--fg-dark);
}
.loader {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  background: var(--card-light);
  color: var(--fg-light);
  padding: 18px 32px;
  border-radius: 16px;
  box-shadow: 0 4px 24px rgba(0,0,0,.18);
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 10002;
}
body[data-theme="dark"] .loader {
  background: var(--card-dark);
  color: var(--fg-dark);
}
.spinner {
  width: 28px;
  height: 28px;
  border: 4px solid #90cdf4;
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Microinterações */
input:focus, select:focus, textarea:focus {
  box-shadow: 0 0 0 3px #90cdf4;
}
.section, .card {
  transition: box-shadow 0.3s, opacity 0.7s;
}
.section:active, .card:active {
  box-shadow: 0 12px 36px rgba(78,161,243,0.18);
}

/* Shake animation para campos obrigatórios não preenchidos */
input.invalid, select.invalid, textarea.invalid {
  animation: shake 0.3s;
}
@keyframes shake {
  0% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  50% { transform: translateX(4px); }
  75% { transform: translateX(-4px); }
  100% { transform: translateX(0); }
}