/* === Reset & base === */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(160deg, #842a2d, #5e1d1f); /* tło w odcieniach czerwieni */
  color: #f5f5f5;
}

/* === Card === */
.card {
  max-width: 600px;
  width: 100%;
  margin: 2rem auto;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 0 20px rgba(0, 0, 0, .2);
  overflow: hidden;
}

/* === Logo === */
.logo-container {
  width: 100%;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
}

.logo-container img,
.logo {
  max-width: 160px;
  height: auto;
}

/* === Nagłówki === */
h1 {
  color: #ffffff !important;
  font-size: 22px !important;
}

h2, h4 {
  color: #842a2d;
  margin: 0.5rem 0;
}

/* === Formularz === */
label {
  color: #842a2d;
}

.form-control,
textarea.form-control {
  background: #fdfdfd;
  border: 1px solid #bbb;
  color: #842a2d;
}

textarea {
  font-family: monospace;
}

/* === Przyciski === */
.btn-primary,
.btn-success {
  color: #fff;
}

.btn-primary {
  background: #842a2d;
  border-color: #842a2d;
}

.btn-primary:hover {
  background: #6c2023;
  border-color: #6c2023;
}

.btn-success {
  background: #a34549;
  border-color: #a34549;
}

.btn-success:hover {
  background: #8d383b;
  border-color: #8d383b;
}

/* === Złoty napis === */
.gold-text {
  display: block;
  margin: 1.5rem 0 0;
  font-size: 28px;
  font-weight: bold;
  color: #d4af37;
  text-align: center;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, .3);
}

/* === Animacja serca === */
.heart {
  color: red;
  font-size: 16px;
  animation: pulse 1s infinite;
}

footer.footer {
  background: transparent;
  font-size: 14px;
}

.logo-icon {
  height: 21px;
  width: auto;
  vertical-align: middle;
}

@keyframes pulse {
  0%   { transform: scale(1); opacity: 1; }
  50%  { transform: scale(1.3); opacity: .7; }
  100% { transform: scale(1); opacity: 1; }
}

.subtitle {
  font-size: 14px;
  color: #f5f5f5;
  margin-bottom: 4px;
}