/* ===== MASTER CSS TEMPLATE ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    color: #333;
}

/* NAV */
.navbar {
    background: #1a3c5e;
    color: #fff;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 55px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}
.navbar .brand { font-size: 1.2rem; font-weight: 700; letter-spacing: 1px; }
.navbar .nav-links a {
    color: #cce0f5;
    text-decoration: none;
    margin-left: 18px;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.navbar .nav-links a:hover { color: #fff; }
.navbar .nav-links a.active { color: #fff; font-weight: 600; border-bottom: 2px solid #4ea8de; padding-bottom: 2px; }

/* WRAPPER */
.page-wrapper { max-width: 1100px; margin: 30px auto; padding: 0 20px; }

/* CARD */
.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    padding: 28px;
    margin-bottom: 24px;
}
.card-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #1a3c5e;
    margin-bottom: 18px;
    border-bottom: 2px solid #e0e8f0;
    padding-bottom: 10px;
}

/* FORM */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 5px; color: #555; }
.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 0.9rem;
    transition: border 0.2s;
}
.form-control:focus { outline: none; border-color: #1a3c5e; }

/* BUTTONS */
.btn {
    display: inline-block;
    padding: 9px 22px;
    border: none;
    border-radius: 5px;
    font-size: 0.9rem;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.2s;
    text-decoration: none;
}
.btn-primary  { background: #1a3c5e; color: #fff; }
.btn-primary:hover  { background: #245480; }
.btn-success  { background: #2e7d32; color: #fff; }
.btn-success:hover  { background: #388e3c; }
.btn-danger   { background: #c62828; color: #fff; }
.btn-danger:hover   { background: #d32f2f; }
.btn-warning  { background: #f9a825; color: #fff; }
.btn-warning:hover  { background: #fbc02d; }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

/* TABLE */
.table-responsive { overflow-x: auto; }
table.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
table.data-table th {
    background: #1a3c5e;
    color: #fff;
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
}
table.data-table td {
    padding: 9px 14px;
    border-bottom: 1px solid #e0e8f0;
}
table.data-table tr:hover td { background: #f5f9ff; }

/* ALERT */
.alert { padding: 10px 16px; border-radius: 5px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-success { background: #e8f5e9; color: #2e7d32; border-left: 4px solid #2e7d32; }
.alert-danger  { background: #ffebee; color: #c62828; border-left: 4px solid #c62828; }
.alert-info    { background: #e3f2fd; color: #1565c0; border-left: 4px solid #1565c0; }

/* LOGIN PAGE */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a3c5e 0%, #4ea8de 100%);
}
.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    width: 360px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.login-box h2 { text-align: center; color: #1a3c5e; margin-bottom: 6px; font-size: 1.5rem; }
.login-box p  { text-align: center; color: #888; font-size: 0.85rem; margin-bottom: 24px; }

/* FOOTER */
.footer {
    text-align: center;
    padding: 18px;
    color: #888;
    font-size: 0.82rem;
    border-top: 1px solid #dde;
    margin-top: 40px;
}

/* GRID */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* BADGE */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 0.78rem;
    font-weight: 700;
}
.badge-silver   { background: #e0e0e0; color: #555; }
.badge-gold     { background: #fff3cd; color: #856404; }
.badge-platinum { background: #e3f2fd; color: #1565c0; }

/* SUMMARY BOX */
.summary-box {
    background: #f5f9ff;
    border: 1px solid #d0e4f7;
    border-radius: 6px;
    padding: 16px 20px;
    margin-top: 12px;
}
.summary-box .summary-row {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    font-size: 0.9rem;
}
.summary-box .summary-total {
    border-top: 2px solid #1a3c5e;
    margin-top: 8px;
    padding-top: 8px;
    font-weight: 700;
    font-size: 1rem;
    color: #1a3c5e;
}

/* CHART CONTAINER */
.chart-container { position: relative; width: 100%; height: 320px; }

@media (max-width: 700px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .navbar { padding: 0 14px; }
    .page-wrapper { padding: 0 10px; }
}