/* =========================
   BODY / ACHTERGROND
========================= */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #000000f5;
    margin: 0;
    min-height: 100vh;

    display: flex;
    justify-content: center;
    align-items: center;
}

/* =========================
   LOGO
========================= */
.logo {
    text-align: center;
    margin-bottom: 20px;
}

.logo img {
    width: 120px;
    height: auto;
}

/* =========================
   CONTAINER (MAIN CARD)
========================= */
.container {
    background: linear-gradient(145deg, #1e2a44, #121826);
    width: 450px;
    padding: 30px;
    border-radius: 20px;

    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6),
                0 0 15px rgba(77, 163, 255, 0.2);

    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* =========================
   TITELS
========================= */
h1 {
    text-align: center;
    color: #4da3ff;
    margin-bottom: 25px;
}

p, h2, label {
    color: #d0e6ff;
}

/* =========================
   LABELS
========================= */
label {
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
    font-weight: 600;
}

/* =========================
   INPUTS
========================= */
input {
    width: 100%;
    padding: 12px;
    border-radius: 10px;

    border: 1px solid #1f3b5c;
    background-color: #0f172a;
    color: white;

    font-size: 15px;
    box-sizing: border-box;
}

/* Placeholder kleur */
input::placeholder {
    color: #8aa4c7;
}

/* Focus effect */
input:focus {
    outline: none;
    border-color: #4da3ff;
    box-shadow: 0 0 10px rgba(77,163,255,0.4);
}

/* =========================
   BUTTON
========================= */
button {
    width: 100%;
    margin-top: 20px;
    padding: 14px;

    border: none;
    border-radius: 10px;

    background-color: #1f4e8c;
    color: white;

    font-size: 16px;
    font-weight: bold;

    cursor: pointer;
    transition: 0.3s;
}

/* Hover knop */
button:hover {
    background-color: #2f6fbf;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(47, 111, 191, 0.4);
}

/* =========================
   ERROR + SUCCESS
========================= */
.error {
    color: #ff4d4d;
    font-size: 13px;
}

#successMessage {
    text-align: center;
    margin-top: 15px;
    color: #00ff9d;
    font-weight: bold;
}

/* =========================
   INFO SECTIE
========================= */
ul {
    color: #cfe6ff;
}

/* =========================
   FOOTER
========================= */
footer {
    margin-top: 20px;
    text-align: center;
    color: #7aa7d9;
    font-size: 12px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width: 500px) {
    .container {
        width: 90%;
    }
}