/* ========================================
   login.css — estilos exclusivos da página
   de login. Depende de styles.css (global).
   ======================================== */

/* ---------- Card ---------- */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  width: 100%;
  max-width: 460px;
  overflow: hidden;
  animation: rise .55s cubic-bezier(.22,1,.36,1) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Login panel ---------- */
.login-panel {
  padding: 3.25rem 3rem 2.5rem;
  display: flex;
  flex-direction: column;
}

/* barra decorativa no topo */
.login-panel::before {
  content: '';
  display: block;
  height: 4px;
  margin: -3.25rem -3rem 2.75rem;
  background: linear-gradient(90deg, var(--primary-mid), var(--primary));
}

/* ---------- Títulos ---------- */
h1 {
  font-family: 'Playfair Display', serif;
  font-size: 1.55rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.35rem;
}

.sub {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* ---------- Alert banner ---------- */
.alert {
  display: none;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  margin-bottom: 1.25rem;
  border: 1px solid transparent;
  animation: slideIn .3s ease;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; }
}

.alert.error {
  display: flex;
  background: var(--error-bg);
  border-color: var(--error-border);
  color: var(--error);
}

.alert.success {
  display: flex;
  background: var(--success-bg);
  border-color: var(--success-border);
  color: var(--success);
}

.alert svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Form groups ---------- */
.form-group {
  margin-bottom: 1.1rem;
  position: relative;
}

.form-group label {
  display: block;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

/* ---------- Input wrap ---------- */
.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-wrap input {
  width: 100%;
  height: 46px;
  padding: 0 2.6rem 0 0.875rem;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--primary-light);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.input-wrap input::placeholder { color: var(--text-placeholder); }

.input-wrap input:focus {
  border-color: var(--border-focus);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(58,155,213,.18);
}

/* ícone decorativo à direita */
.input-wrap > svg:not(button svg) {
  position: absolute;
  right: 0.75rem;
  width: 16px; height: 16px;
  stroke: var(--text-muted); fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
  pointer-events: none;
  transition: stroke var(--transition);
}

/* quando há toggle, empurra o ícone decorativo */
.input-wrap:has(.toggle-pw) > svg:not(button svg) {
  right: 2.5rem;
}

.input-wrap:focus-within > svg:not(button svg) {
  stroke: var(--border-focus);
}

/* ---------- Toggle senha ---------- */
.toggle-pw {
  position: absolute;
  right: 0.5rem;
  background: none; border: none;
  cursor: pointer;
  padding: 0.25rem;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.toggle-pw:hover, .toggle-pw:focus-visible { color: var(--primary); outline: none; }
.toggle-pw:focus-visible { box-shadow: 0 0 0 2px var(--border-focus); }

.toggle-pw svg {
  width: 17px; height: 17px;
  stroke: currentColor; fill: none;
  stroke-width: 2; stroke-linecap: round; stroke-linejoin: round;
}

/* ---------- Estado inválido ---------- */
.form-group.invalid .input-wrap input {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(214,64,69,.12);
}

.field-error {
  display: none;
  align-items: center;
  gap: 0.3rem;
  margin-top: 0.35rem;
  font-size: 0.75rem;
  color: var(--error);
}

.field-error svg {
  flex-shrink: 0;
  stroke: currentColor; fill: none;
}

.form-group.invalid .field-error { display: flex; }

/* ---------- Opções (lembrar / esqueci) ---------- */
.row-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0.25rem 0 1.5rem;
  font-size: 0.8rem;
}

.remember {
  display: flex; align-items: center; gap: 0.4rem;
  cursor: pointer;
  color: var(--text-muted);
  user-select: none;
}

.remember input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--primary);
  cursor: pointer;
}

.forgot {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

.forgot:hover { color: var(--primary-hover); text-decoration: underline; }

/* ---------- Botão primário ---------- */
.btn-primary {
  width: 100%;
  height: 46px;
  display: flex; align-items: center; justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--primary-mid), var(--primary));
  color: #fff;
  font-family: inherit;
  font-size: .88rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: opacity var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn-primary:hover:not(:disabled) {
  opacity: .92;
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(61, 203, 208, 0.4)
}

.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(58,155,213,.45); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }

/* ---------- Spinner ---------- */
.spinner {
  display: none;
  width: 17px; height: 17px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}

.btn-primary.loading .btn-label { display: none; }
.btn-primary.loading .spinner   { display: block; }

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

/* ---------- Rodapé do card ---------- */
.footer-note {
  margin-top: 1.75rem;
  font-size: .68rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.7;
}

/* ---------- Responsivo ---------- */
@media (max-width: 480px) {
  .card { border-radius: var(--radius-md); }
  .login-panel { padding: 2.5rem 1.5rem 2rem; }
  .login-panel::before { margin: -2.5rem -1.5rem 2.25rem; }
  h1 { font-size: 1.35rem; }
}