:root {
    --bg-dark: #121212;
    --card-bg: #1e1e1e;
    --text-main: #e0e0e0;
    --text-muted: #9e9e9e;
    --accent: #d32f2f; /* ACC Red Accent */
    --border: #333333;
    --success: #4caf50;
    --success-hover: #388e3c;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    /* Prevents iOS from auto-zooming when tapping inputs */
    font-size: 16px; 
}

/* --- Layout --- */
.admin-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* New User Role Header */
.header-bar { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    background: var(--card-bg); 
    padding: 15px 20px; 
    border-bottom: 1px solid var(--border); 
    margin-bottom: 20px;
}

.header-bar a { 
    color: var(--accent); 
    text-decoration: none; 
    font-weight: bold; 
}

.admin-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 20px;
}

.brand-logo {
    height: 80px;
    border-radius: 50%;
}

.admin-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 20px;
}

/* --- Cards --- */
.card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
}

.card h2, .card h3 {
    margin-top: 0;
    border-bottom: 1px solid var(--border);
    padding-bottom: 10px;
    font-size: 1.2rem;
}

/* --- Forms & Inputs --- */
.form-group {
    margin-bottom: 15px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.half {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 5px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

input[type="text"],
input[type="number"],
input[type="password"],
select {
    width: 100%;
    padding: 12px 10px; /* Taller for mobile tapping */
    background: var(--bg-dark);
    border: 1px solid var(--border);
    color: var(--text-main);
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px !important; /* Forces 16px for iOS compatibility */
}

input:read-only {
    background: #2a2a2a;
    color: var(--text-muted);
    cursor: not-allowed;
}

/* --- Buttons --- */
.btn-primary {
    width: 100%;
    padding: 12px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 16px;
}

.btn-primary:hover {
    background: #b71c1c;
}

.btn-secondary {
    background: var(--success);
    margin-bottom: 15px;
    height: 55px; /* Large touch target for scanning */
    font-size: 1.1rem;
}

.btn-secondary:hover {
    background: var(--success-hover);
}

/* --- Scanner Interface --- */
#reader {
    width: 100%;
    max-width: 500px;
    margin: 0 auto 15px auto;
    display: none;
    border: 2px solid var(--success);
    border-radius: 8px;
    overflow: hidden;
}

/* --- Tables & Data --- */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 450px; /* Prevents text crushing on narrow phones */
}

.admin-table th, .admin-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.admin-table th {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.admin-table em {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.badge {
    background: #333;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    white-space: nowrap;
}

/* --- Login Page --- */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    padding: 20px;
    box-sizing: border-box;
}

.login-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 16px rgba(0,0,0,0.5);
}

.login-card input {
    margin-bottom: 15px;
}

/* --- Mobile Breakpoints --- */
@media (max-width: 768px) {
    .admin-content {
        grid-template-columns: 1fr;
    }
    
    .admin-header {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
}