/* ========== RESET & BASE ========== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: #0f3460;
    color: #eee;
    line-height: 1.6;
    min-height: 100vh;
    padding: 1rem;
}

/* ========== CONTAINER ========== */
.container,
.card {
    max-width: 600px;
    margin: 1rem auto;
    background: #16213e;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.card {
    margin-bottom: 1.5rem;
}

/* ========== HEADINGS ========== */
h1, h2, h3 {
    margin-bottom: 1rem;
    color: #fff;
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.3rem; }

/* ========== FORM ELEMENTS ========== */
input, select, button, .btn {
    width: 100%;
    padding: 0.75rem 1rem;
    margin: 0.5rem 0;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    display: inline-block;
    text-align: center;
}

input, select {
    background: #1a2a4a;
    color: #fff;
    border: 1px solid #304878;
}

input:focus, select:focus {
    outline: none;
    border-color: #e94560;
}

button, .btn {
    background: #e94560;
    color: white;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s;
    display: inline-block;
}

button:hover, .btn:hover {
    background: #c23152;
}

/* Tombol kecil / inline */
.btn.small {
    width: auto;
    padding: 0.4rem 0.8rem;
    font-size: 0.9rem;
}

/* ========== TABLES (Admin) ========== */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
    overflow-x: auto;
    display: block;
}

th, td {
    padding: 0.75rem 0.5rem;
    text-align: left;
    border-bottom: 1px solid #2a3a5a;
    white-space: nowrap;
}

th {
    background: #1a2a4a;
    color: #fff;
}

/* Wrapper agar tabel bisa discroll horizontal di HP */
.table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* ========== IMAGES ========== */
img.qris {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
}

/* ========== UTILITIES ========== */
.text-center { text-align: center; }
.text-gold { color: #ffd700; }
.text-green { color: #4caf50; }
.text-orange { color: #ff9800; }
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }

/* ========== TOGGLE FORMS (Login/Register) ========== */
.toggle {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.95rem;
}

.toggle a {
    color: #e94560;
    text-decoration: none;
    font-weight: bold;
}

/* ========== RESPONSIVE ADJUSTMENTS ========== */
@media (max-width: 480px) {
    body {
        padding: 0.5rem;
    }

    .container, .card {
        padding: 1rem;
        margin: 0.5rem auto;
    }

    h1 { font-size: 1.4rem; }
    h2 { font-size: 1.3rem; }

    table {
        font-size: 0.8rem;
    }
}