/* ══════════════════════════════════════════════
   Spectrum Dados — Login Screen
   ══════════════════════════════════════════════ */

.sp-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

/* Decorative radial gradients */
.sp-login::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 30% 20%, rgba(42,157,143,0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 70% 80%, rgba(42,157,143,0.04) 0%, transparent 50%);
  pointer-events: none;
}

/* ── Card ── */
.sp-login__card {
  background: var(--bg-card);
  border-radius: var(--r-xl);
  border: 1px solid var(--border);
  padding: 48px 40px;
  width: 420px;
  max-width: 92vw;
  position: relative;
  z-index: 1;
  animation: slideUp 0.6s cubic-bezier(.16,1,.3,1);
}

/* ── Logo ── */
.sp-login__logo {
  text-align: center;
  margin-bottom: 8px;
}

.sp-login__logo svg {
  height: 36px;
  width: auto;
  margin: 0 auto;
}

/* ── Subtitle ── */
.sp-login__sub {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
  margin-top: 4px;
}

/* ── Fields ── */
.sp-login__field {
  margin-bottom: 18px;
}

.sp-login__label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sp-login__input {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--r-lg);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg-field);
  outline: none;
  transition: var(--tr);
}

.sp-login__input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 4px rgba(42,157,143,0.1);
  background: #fff;
}

.sp-login__input::placeholder {
  color: var(--text-faint);
}

/* ── Buttons ── */
.sp-login__btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-dark) 100%);
  color: #fff;
  border: none;
  border-radius: var(--r-lg);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: var(--tr);
  margin-top: 8px;
}

.sp-login__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(42,157,143,0.3);
}

.sp-login__btn:disabled {
  opacity: 0.6;
  cursor: wait;
  transform: none;
  box-shadow: none;
}

.sp-login__btn--secondary {
  background: linear-gradient(135deg, var(--text-secondary), var(--dark));
}

.sp-login__btn--secondary:hover {
  box-shadow: 0 4px 16px rgba(26,35,50,0.3);
}

/* ── Error / Success messages ── */
.sp-login__error {
  display: none;
  background: var(--danger-bg);
  border: 1px solid var(--danger-border);
  color: var(--danger);
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}

.sp-login__success {
  display: none;
  background: var(--success-bg);
  border: 1px solid var(--success-border);
  color: var(--success);
  padding: 10px 14px;
  border-radius: var(--r-sm);
  font-size: 13px;
  margin-bottom: 16px;
  text-align: center;
}

/* ── Links ── */
.sp-login__link {
  text-align: center;
  margin-top: 14px;
}

.sp-login__link a {
  color: var(--teal);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}

.sp-login__link a:hover {
  text-decoration: underline;
}

.sp-login__back {
  text-align: center;
  margin-top: 12px;
}

.sp-login__back a {
  color: var(--teal);
  font-size: 13px;
  cursor: pointer;
}

/* ── Forgot form (hidden by default) ── */
#forgotForm {
  display: none;
}

/* ── Footer ── */
.sp-login__footer {
  text-align: center;
  margin-top: 28px;
  font-size: 11px;
  color: var(--text-faint);
}

/* ── Responsive ── */
@media (max-width: 480px) {
  .sp-login__card {
    padding: 36px 24px;
    border-radius: var(--r-lg);
  }
}