/* Login — stile condiviso Area riservata / Futures Dashboard */

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  position: relative;
  z-index: 1;
}

.login-card {
  width: 100%;
  max-width: 380px;
  padding: 1.75rem 1.85rem 1.65rem;
  background: rgba(18, 25, 34, 0.92);
  border: 1px solid rgba(232, 237, 244, 0.1);
  border-radius: 14px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
}

.login-title {
  margin: 0 0 0.35rem;
  font-size: 1.55rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
}

.login-sub {
  margin: 0 0 1.5rem;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.login-field {
  margin-bottom: 1rem;
}

.login-field label {
  display: block;
  margin-bottom: 0.4rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
}

.login-field input {
  width: 100%;
  padding: 0.7rem 0.85rem;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: rgba(10, 14, 20, 0.85);
  border: 1px solid rgba(232, 237, 244, 0.12);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-field input:focus {
  border-color: rgba(61, 214, 195, 0.45);
  box-shadow: 0 0 0 3px rgba(61, 214, 195, 0.1);
}

.login-btn {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.75rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: #fff;
  background: #1f8f5c;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: filter 0.2s ease, transform 0.15s ease;
}

.login-btn:hover {
  filter: brightness(1.08);
}

.login-btn:active {
  transform: scale(0.99);
}

.login-btn:disabled {
  opacity: 0.65;
  cursor: wait;
}

.login-error {
  margin: 0 0 1rem;
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
  color: #f87171;
  background: rgba(248, 113, 113, 0.1);
  border: 1px solid rgba(248, 113, 113, 0.25);
  border-radius: 8px;
}

.login-back {
  display: inline-block;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-decoration: none;
}

.login-back:hover {
  color: var(--accent);
}