/* RESET */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
}

/* BELANGRIJK: stacking context fix */
body {
    position: relative;
    z-index: 0;
    background: transparent;
}

/* VLAG ACHTERGROND */
.flag-container {
    position: fixed;
    inset: 0;                 /* vervangt top/left/width/height */
    display: flex;
    flex-direction: column;
    z-index: -1;              /* blijft netjes achter alles */
}

.flag-yellow { flex: 1; background-color: #FFD700; }
.flag-green  { flex: 1; background-color: #008000; }
.flag-white  { flex: 1; background-color: #ffffff; }

/* HEADER */
.header-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 20px 10px 10px;
}

.logo {
    width: 150px;
    height: 150px;
    margin: 0 auto 12px;
    display: block;
    object-fit: contain;
    border-radius: 8px;
    border: 2px solid #000;
    background-color: #fff;
}

.header-inner h1 {
    font-size: 1.8rem;
}

/* CONTENT CONTAINER */
.content {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 480px;
    margin: 20px auto;
    padding: 0 20px;
}

/* STEMKAART */
.card {
    background-color: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    margin-bottom: 20px;
}

/* BERICHT */
.message {
    background-color: #f0f0f0;
    border-left: 4px solid #FFD700;
    padding: 10px;
    margin-bottom: 15px;
    font-weight: bold;
}

/* FORM */
form label {
    display: block;
    margin-top: 15px;
    font-weight: bold;
}

form input,
form select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 16px;
}

form button {
    width: 100%;
    margin-top: 20px;
    padding: 12px;
    background-color: #FFD700;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

form button:hover {
    opacity: 0.9;
}

/* WAARSCHUWING */
.vote-warning {
    margin: 15px 0;
    padding: 12px;
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    border-radius: 6px;
    font-size: 0.95em;
    color: #856404;
}

/* FOOTER */
footer {
    position: relative;
    z-index: 1;
    text-align: center;
}

/* RESPONSIVE */
@media (max-width: 600px) {
    .logo { width: 120px; height: 120px; }
    .header-inner h1 { font-size: 1.4rem; }
}