/* Reset e base */
* {
  box-sizing: border-box;
}

html {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--background);
  color: var(--foreground);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
}

::selection {
  background: var(--gold-500);
  color: #05070e;
}

a {
  color: var(--link-color);
}

a:hover {
  color: var(--link-color-hover);
}

/* Tipografia */
h1, h2, .logo {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0;
}

h1 {
  font-size: 1.75rem;
  margin-top: 0.35rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--foreground-muted);
  margin: 0;
}

/* Shell / app layout */
.shell {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 0;
}

main {
  flex: 1;
  padding: 2.5rem 0 4rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}

.site-footer .inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Wordmark */
.logo {
  font-size: 1.15rem;
  text-decoration: none;
  color: var(--foreground);
}

.logo-accent {
  background: var(--gold-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Card */
.card {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-card);
  margin-top: 1.75rem;
}

.card-centered {
  text-align: center;
}

/* Formulários */
label {
  display: block;
  font-weight: 600;
  font-size: 0.875rem;
  margin-top: 1.25rem;
  margin-bottom: 0.4rem;
  color: var(--foreground);
}

label:first-child {
  margin-top: 0;
}

input, textarea {
  width: 100%;
  padding: 0.65rem 0.8rem;
  font-size: 1rem;
  font-family: inherit;
  color: var(--foreground);
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}

input::placeholder, textarea::placeholder {
  color: var(--foreground-muted);
}

input:hover, textarea:hover {
  border-color: var(--input-border-hover);
}

input:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-color: var(--focus-ring-color);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.helper {
  color: var(--foreground-muted);
  font-size: 0.8rem;
  margin-top: 0.35rem;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.7rem 1.4rem;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: transform 0.15s, border-color 0.15s, color 0.15s;
  font-family: inherit;
}

.btn-primary {
  background: var(--gold-gradient);
  color: #05070e;
  margin-top: 1.5rem;
}

.btn-primary:hover {
  transform: scale(1.03);
}

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--foreground);
}

.btn-secondary:hover {
  border-color: var(--cyan-400);
  color: var(--cyan-300);
}

.btn-ghost {
  background: none;
  border: none;
  color: var(--foreground-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
  padding: 0;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
}

.btn-ghost:hover {
  color: var(--foreground);
}

/* Badges de status */
.status {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.8rem;
  border: 1px solid transparent;
  white-space: nowrap;
}

.status-resolvido {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-fg);
}

.status-nao-resolvido {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error-fg);
}

.status-andamento {
  background: var(--warning-bg);
  border-color: var(--warning-border);
  color: var(--warning-fg);
}

/* Thread de mensagens */
.mensagens {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mensagem {
  padding: 1rem 1.15rem;
  border-radius: var(--radius-md);
  white-space: pre-wrap;
  line-height: 1.55;
  border: 1px solid var(--border);
  max-width: 85%;
}

.mensagem.cliente {
  background: var(--background-elevated);
  align-self: flex-end;
  border-color: rgba(232, 196, 104, 0.25);
}

.mensagem.agente {
  background: var(--background-card);
  align-self: flex-start;
  border-color: rgba(76, 224, 242, 0.2);
}

.autor {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--foreground-muted);
  margin-bottom: 0.35rem;
}

/* Banners */
.erro, .info {
  padding: 0.85rem 1.1rem;
  border-radius: var(--radius-md);
  margin-top: 1.25rem;
  font-size: 0.9rem;
  border: 1px solid;
}

.erro {
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error-fg);
}

.info {
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success-fg);
}

.aviso {
  color: var(--foreground-muted);
  font-size: 0.9rem;
  line-height: 1.55;
}

/* Estado vazio */
.vazio {
  color: var(--foreground-muted);
  text-align: center;
  padding: 3rem 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  margin-top: 1.5rem;
}

/* Filtro por estado */
.filtros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.filtro {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--foreground-muted);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: border-color 0.15s, color 0.15s;
}

.filtro:hover {
  border-color: var(--input-border-hover);
  color: var(--foreground);
}

.filtro.ativo {
  border-color: var(--gold-400);
  color: var(--gold-300);
}

/* Lista de tickets */
ul.tickets {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
}

.ticket-row {
  background: var(--background-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1.1rem;
  margin-bottom: 0.6rem;
  transition: border-color 0.15s;
}

.ticket-row:hover {
  border-color: var(--input-border-hover);
}

.ticket-row a {
  text-decoration: none;
  color: var(--foreground);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

/* Responsivo */
@media (max-width: 480px) {
  .shell {
    padding: 0 1rem;
  }

  h1 {
    font-size: 1.4rem;
  }

  .card {
    padding: 1.25rem;
  }

  .mensagem {
    max-width: 100%;
  }

  .site-header .inner {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .ticket-row a {
    flex-wrap: wrap;
  }
}