* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    background-color: #f4f6f9; /* Background utama abu-abu sangat terang */
    color: #1f2937;            /* Warna teks utama abu-abu gelap/hitam */
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px;
    overflow-x: hidden;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 3px solid #d97706; /* Garis pembatas warna oranye kontras */
    padding-bottom: 15px;
    margin-bottom: 20px;
}
.airport-title h1 {
    font-size: 28px;
    color: #d97706; /* Warna nama bandara */
    text-transform: uppercase;
    letter-spacing: 2px;
}
.airport-title p {
    color: #4b5563; /* Warna sub-judul */
    font-size: 14px;
}
.live-clock {
    font-size: 32px;
    font-family: monospace;
    color: #047857; /* Warna jam hijau gelap agar terbaca */
    background: #ffffff;
    padding: 5px 15px;
    border-radius: 5px;
    border: 1px solid #d1d5db;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.fids-container {
    display: grid;
    grid-template-columns: 1fr; 
    gap: 30px; 
}

.board {
    background-color: #ffffff; /* Papan jadwal menjadi putih bersih */
    border-radius: 8px;
    padding: 15px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.board-title {
    font-size: 20px;
    padding-bottom: 10px;
    margin-bottom: 10px;
    border-bottom: 2px solid #e5e7eb;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.departure-title { color: #b45309; } 
.arrival-title { color: #0369a1; }

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}
th {
    color: #4b5563; /* Judul kolom tabel */
    font-size: 12px;
    text-transform: uppercase;
    padding: 10px;
    border-bottom: 2px solid #e5e7eb;
}
td {
    padding: 12px 10px;
    border-bottom: 1px solid #f3f4f6;
    font-size: 14px;
    font-weight: 600;
    color: #111827; /* Teks isi tabel menjadi gelap */
}

.flight-no { color: #b45309; font-family: monospace; font-size: 15px; }
.time { font-family: monospace; font-size: 15px; color: #111827; }

/* Status Box */
.status {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 12px;
    text-transform: uppercase;
    display: inline-block;
    text-align: center;
    width: 100px;
    color: #fff !important; /* Teks di dalam status tetap putih */
}
.status.on-time { background-color: #059669; }
.status.delayed { background-color: #dc2626; animation: blink 1s infinite; }
.status.boarding { background-color: #d97706; }
.status.landed { background-color: #2563eb; }
.status.gate-open { background-color: #7c3aed; }

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.4; }
    100% { opacity: 1; }
}

/* Tombol Navigasi Header */
.header-right {
    display: flex;
    align-items: center;
    gap: 15px;
}
.btn-admin {
    background-color: #ffffff;
    color: #374151;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    font-size: 14px;
    font-weight: bold;
    transition: 0.2s;
    border: 1px solid #d1d5db;
}
.btn-admin:hover {
    background-color: #d97706;
    color: #ffffff;
    border-color: #d97706;
}

/* Gaya Halaman Admin */
.admin-container {
    max-width: 800px;
    margin: 0 auto;
    background: #ffffff; /* Form admin menjadi putih */
    padding: 25px;
    border-radius: 8px;
    border: 1px solid #e5e7eb;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.form-group {
    margin-bottom: 15px;
}
.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #4b5563;
    font-size: 14px;
}
.form-group input, .form-group select {
    width: 100%;
    padding: 10px;
    background: #ffffff;
    border: 1px solid #d1d5db;
    color: #111827;
    border-radius: 4px;
}
.btn-submit {
    background: #059669;
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
}
.btn-submit:hover { background: #10b981; }
.btn-back {
    display: inline-block;
    margin-bottom: 20px;
    color: #d97706;
    text-decoration: none;
    font-weight: bold;
}