body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background-color: #00214f; /* Hijau Madrasah */
    color: white;
    margin: 0;
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

.top-nav {
    position: absolute;
    top: 20px;
    right: 30px;
}

.top-nav a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    font-size: 0.9rem;
    opacity: 0.8;
}

.main-content {
    text-align: center;
    padding-top: 50px;
    width: 90%;
}

.logo { width: 100px; margin-bottom: 20px; }

h1 { font-size: 2.5rem; margin: 0; font-weight: 700; }
.sub-title { font-size: 1.1rem; opacity: 0.9; margin-top: 10px; }

.label-buka { font-size: 0.8rem; letter-spacing: 2px; margin-top: 50px; opacity: 0.9; }

/* Grid Countdown */
.countdown-container {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
}

.time-box {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: 15px;
    width: 90px;
    backdrop-filter: blur(5px);
}

.time-box span { font-size: 2.5rem; font-weight: bold; display: block; }
.time-box p { font-size: 0.7rem; margin: 5px 0 0 0; opacity: 0.8; }

.info-buka h3 { font-size: 1.5rem; margin: 10px 0; }
.info-buka p { margin: 5px 0; opacity: 0.9; }
small { font-size: 0.75rem; opacity: 0.7; }

/* Form Card */
.form-card {
    background: white;
    color: #333;
    padding: 30px;
    border-radius: 20px;
    max-width: 400px;
    margin: 40px auto;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

input {
    width: 100%;
    padding: 12px;
    margin: 15px 0;
    border: 1px solid #ddd;
    border-radius: 8px;
    box-sizing: border-box;
    text-align: center;
}

button {
    background: #00843d;
    color: white;
    border: none;
    padding: 12px 20px;
    width: 100%;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
}

.hidden { display: none; }

/* Status Styles */
#status-box { padding: 30px; border-radius: 20px; margin-top: 20px; }
.lulus { background: #ffffff; color: #00843d; }
.tidak-lulus { background: #f8d7da; color: #721c24; }
.btn-back { margin-top: 20px; background: white; color: #00843d; }