/* Ogólny reset stylów */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* Strona i tło */
body {
    font-family: 'Inter', sans-serif;
    background: #f4f6f8;
    color: #2c3f50;
    min-height: 100vh;
    display: flex;
    flex-direction: column; /* Ustaw header na górze, potem reszta */
}

/* Dla headera */
.custom-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    border: 1px solid #e0e0e0;
}

.custom-logo {
    font-size: 24px;
    font-weight: bold;
}


.custom-logo-link {
    text-decoration: none;
    color: #2c3f50;
    font-family: 'Inter', sans-serif;
}

.custom-auth {
    display: flex;
    align-items: center;
}

.custom-login {
    margin-right: 20px;
    color: #3d5873;
    font-size: 16px;
    text-decoration: none;
    transition: color 0.3s;
}

.custom-login:hover {
    color: #2c3f50;
}

.custom-register {
    background-color: #2c3f50;
    color: white;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: bold;
    font-size: 16px;
    text-decoration: none;
    transition: background-color 0.3s, transform 0.2s;
}

.custom-register:hover {
    background-color: #1c2935;
    transform: scale(1.05);
}

/* Główna sekcja - wyśrodkowanie formularza rejestracji */
.centered-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1; /* Zabierz pozostałą przestrzeń poniżej headera */
    padding: 20px;
}

/* Stylizacja boxa z formularzem */
.box {
    background-color: white;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    max-width: 420px;
    width: 100%;
    transition: transform 0.3s ease;
}

.box:hover {
    transform: translateY(-4px);
}

h2 {
    font-size: 28px;
    text-align: center;
    margin-bottom: 30px;
}

/* Formularz */
form {
    display: flex;
    flex-direction: column;
}

input {
    padding: 14px 16px;
    margin-bottom: 18px;
    border: 1px solid #c3ccd4;
    border-radius: 12px;
    font-size: 16px;
    transition: border-color 0.2s;
    background-color: #fafafa;
}

input:focus {
    border-color: #3d5873;
    outline: none;
}

button {
    padding: 14px;
    background-color: #2c3f50;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s;
}

button:hover {
    background-color: #1c2935;
    transform: translateY(-1px);
}

/* Linki */
.linka{
    text-align: center;
    display: block;
    margin-top: 20px;
    color: #2c3f50;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.linka a:hover {
    color: #1c2935;
    text-decoration: underline;
}

/* Wiadomości sukces i błędów */
.success, .error {
    text-align: center;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-weight: 500;
}

.success {
    background-color: #e4f1f9;
    color: #2c3f50;
}

.error {
    background-color: #f0f4f7;
    color: #2c3f50;
}

/* Wiersz imienia i nazwiska */
.name-row {
    display: flex;
    gap: 16px;
    margin-bottom: 18px;
}

.name-row input {
    flex: 1;
    margin-bottom: 0;
    width: 50%;
}