/*
 * Estilos globais reaproveitáveis entre todas as telas do Sindesk (login,
 * home de teste, e futuramente listagem/detalhe/dashboard) — ver
 * .spec/frontend_models/design_sindesk.md, "Passo 2: Isolando o CSS".
 */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: var(--font-family);
}

html,
body {
  min-height: 100vh;
  background: var(--bg);
  color: var(--text-primary);
  transition:
    background-color 0.3s ease,
    color 0.3s ease;
}

body {
  position: relative;
  overflow-x: hidden;
}

/* Fundo dinâmico: canvas de partículas + glows atrás do conteúdo */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.glow-orb {
  position: fixed;
  filter: blur(60px);
  pointer-events: none;
  z-index: 0;
}
.glow-orb--1 {
  top: 15%;
  left: 15%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--orb-1) 0%, rgba(0, 0, 0, 0) 70%);
}
.glow-orb--2 {
  bottom: 10%;
  right: 10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--orb-2) 0%, rgba(0, 0, 0, 0) 70%);
}

/* Módulo de vidro genérico — a base do glassmorphism, reaproveitável em
   qualquer cartão (login, dashboard, widgets). */
.glass-card {
  position: relative;
  z-index: 2;
  background: var(--card-bg);
  backdrop-filter: blur(var(--card-blur));
  -webkit-backdrop-filter: blur(var(--card-blur));
  border: 1px solid var(--card-border);
  border-radius: var(--radius-card);
  box-shadow: var(--card-shadow), var(--card-inset);
}

/* Botão de alternância de tema — ícone simples, canto do cartão */
.theme-toggle {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--btn-ghost-border);
  background: var(--btn-ghost-bg);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 15px;
  transition: all 0.2s ease;
}
.theme-toggle:hover {
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.theme-toggle .fa-sun {
  display: none;
}
.theme-toggle .fa-moon {
  display: inline;
}
:root[data-theme='dark'] .theme-toggle .fa-sun {
  display: inline;
}
:root[data-theme='dark'] .theme-toggle .fa-moon {
  display: none;
}

/* Inputs de formulário — padrão do design system */
.input-group {
  position: relative;
  margin-bottom: 22px;
}
.input-group i.left-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--icon-color);
  font-size: 16px;
  transition: color 0.3s;
  pointer-events: none;
}
.input-group input {
  width: 100%;
  padding: 15px 18px 15px 48px;
  background: var(--input-bg);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-input);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  outline: none;
  transition: all 0.3s ease;
}
.input-group input::placeholder {
  color: var(--icon-color);
  font-weight: 400;
}
.input-group input:focus {
  background: var(--input-bg-focus);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}
.input-group input:focus + i.left-icon {
  color: var(--color-primary);
}
.input-group input[aria-invalid='true'] {
  border-color: var(--alert-error-border);
}
.toggle-password {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--icon-color);
  cursor: pointer;
  transition: color 0.3s;
  background: none;
  border: none;
  font-size: 15px;
}
.toggle-password:hover {
  color: var(--text-primary);
}

/* Botões */
.btn-submit {
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: var(--radius-input);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-strong));
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(239, 68, 68, 0.35);
  transition: all 0.3s ease;
}
.btn-submit:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(239, 68, 68, 0.45);
}
.btn-submit:active:not(:disabled) {
  transform: translateY(0);
}
.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.btn-ghost {
  width: 100%;
  padding: 13px;
  border-radius: var(--radius-input);
  border: 1px solid var(--btn-ghost-border);
  background: var(--btn-ghost-bg);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Alertas inline (erro de credencial, rate limit, falha de rede) */
.alert {
  display: none;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border-radius: var(--radius-input);
  font-size: 13.5px;
  font-weight: 500;
  margin-bottom: 22px;
  line-height: 1.4;
}
.alert.is-visible {
  display: flex;
}
.alert--error {
  background: var(--alert-error-bg);
  border: 1px solid var(--alert-error-border);
  color: var(--alert-error-text);
}
.alert--warning {
  background: var(--alert-warning-bg);
  border: 1px solid var(--alert-warning-border);
  color: var(--alert-warning-text);
}
.alert i {
  margin-top: 2px;
}

/* Utilitário de "somente leitor de tela" — usado nos textos aria-live */
.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;
}