:root {
    --bg-main: #000000;
    --bg-card: #1c1c1c;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --accent-color: #4da6ff; 
    --border-color: #333333;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
    line-height: 1.6;
}

/* Header */
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px;
}

.header-left .logo {
    font-weight: bold;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

.header-left .powered {
    color: #999999; /* 3. Diperjelas */
    font-size: 0.75rem;
    font-style: italic;
    margin-top: 4px;
}

.header-nav {
    display: flex;
    gap: 10px;
}

/* Tombol Navigasi */
.nav-btn {
    text-decoration: none;
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid var(--border-color);
    transition: 0.3s;
}

.nav-btn.active {
    background-color: #ffffff;
    color: #000000;
    border-color: #ffffff;
}

/* Tombol Tulis Pesan */
.write-container {
    max-width: 800px;
    margin: 0 auto 20px;
    padding: 0 20px;
}

.btn-write {
    display: block;
    width: 100%;
    text-align: center;
    background-color: var(--accent-color);
    color: #000000; /* Teks hitam agar kontras dengan tombol biru muda */
    text-decoration: none;
    padding: 12px;
    border-radius: 10px;
    font-weight: bold;
    font-size: 0.95rem;
}

/* Card Styles Pesan */
.board-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px 50px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.mading-card {
    background-color: var(--bg-card);
    border-radius: 15px;
    padding: 20px;
}

/* Menukar fokus desain ke NAMA untuk halaman Pesan */
.card-admin {
    font-size: 1.0rem; /* 4. Ukuran NAMA diperbesar */
    color: #ffffff; /* 4. Warna NAMA putih murni agar menonjol */
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color); /* Garis pemisah bawah */
}

.card-content {
    font-size: 0.95rem;
    white-space: pre-wrap;
    margin-bottom: 12px;
}

.card-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 10px;
}

.loading { text-align: center; padding: 20px; color: var(--text-secondary); }
.hidden { display: none; }

@media (max-width: 600px) {
    .header-container { align-items: center; }
    .header-left .logo { font-size: 0.9rem; }
}