body {
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8fafc;
    color: #1e293b;
}

/* Kontener główny */
.container {
    max-width: 600px;
    margin: 40px auto;
    padding: 35px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

/* Nagłówek */
header {
    text-align: center;
    margin-bottom: 30px;
}

header h1 {
    font-size: 2.5em;
    color: #0f172a;
    margin-bottom: 10px;
    font-weight: 700;
}

header p {
    color: #64748b;
    font-size: 1.05em;
    line-height: 1.6;
}

/* Przyciski */
.button {
    display: inline-block;
    text-decoration: none;
    padding: 12px 24px;
    margin: 10px;
    background: #2563eb;
    color: #ffffff;
    border-radius: 10px;
    font-size: 1em;
    text-align: center;
    font-weight: 600;
    transition: all 0.25s ease;
    border: none;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.button:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.25);
}

.button:active {
    transform: translateY(0);
}

.auth-buttons {
    text-align: center;
}

/* Nawigacja */
.nav-links {
    text-align: center;
    margin-top: 25px;
}

.nav-links a {
    margin: 10px;
}

/* Sekcja informacji */
.info {
    text-align: center;
    margin-top: 30px;
}

.info h2 {
    color: #0f172a;
    font-size: 1.8em;
    margin-bottom: 15px;
}

.info p {
    color: #64748b;
    font-size: 1em;
    line-height: 1.7;
}

/* Stopka */
footer {
    text-align: center;
    margin-top: 40px;
    color: #94a3b8;
    font-size: 0.9em;
    padding-bottom: 20px;
}

/* Formularz logowania */
form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 25px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

label {
    color: #334155;
    margin-bottom: 8px;
    font-size: 0.95em;
    font-weight: 600;
}

input {
    padding: 14px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    background-color: #ffffff;
    color: #1e293b;
    font-size: 1em;
    transition: all 0.2s ease;
}

input::placeholder {
    color: #94a3b8;
}

input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.12);
    outline: none;
}

/* Link do rejestracji */
.register-link {
    text-align: center;
    margin-top: 25px;
}

.register-link p {
    color: #64748b;
}

.register-link a {
    font-weight: 600;
    color: #2563eb;
}

.register-link a:hover {
    color: #1d4ed8;
}

/* Linki */
a {
    text-decoration: none;
    color: #2563eb;
    transition: color 0.2s ease;
}

a:hover {
    color: #1d4ed8;
}