/* ============ Medpark B2B Portal ============ */
:root {
    --primary: #0e5a8a;
    --primary-dark: #0a4368;
    --primary-light: #e8f1f8;
    --accent: #18a05e;
    --accent-dark: #128a4f;
    --danger: #d64545;
    --danger-dark: #b73535;
    --warning-bg: #fff6e0;
    --warning-text: #8a6100;
    --text: #243342;
    --text-muted: #6b7a89;
    --bg: #f2f5f8;
    --card: #ffffff;
    --border: #dde4ea;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Sarabun', 'Segoe UI', Tahoma, sans-serif;
    font-size: 15px;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Topbar ---------- */
.topbar {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .15);
    position: sticky;
    top: 0;
    z-index: 100;
}
.topbar-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 58px;
    flex-wrap: wrap;
}
.brand { font-size: 18px; font-weight: 700; white-space: nowrap; }
.nav-menu { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav-menu a {
    color: rgba(255, 255, 255, .85);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: 6px;
    font-weight: 500;
    transition: background .15s;
}
.nav-menu a:hover { background: rgba(255, 255, 255, .12); color: #fff; }
.nav-menu a.active { background: rgba(255, 255, 255, .22); color: #fff; }
.user-box { display: flex; align-items: center; gap: 10px; }
.user-name { font-weight: 500; }

/* ---------- Layout ---------- */
.container {
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 24px 20px 40px;
    flex: 1;
}
.footer {
    text-align: center;
    padding: 16px;
    color: var(--text-muted);
    font-size: 13px;
    border-top: 1px solid var(--border);
    background: var(--card);
}
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}
.page-head h1 { font-size: 22px; margin: 0; }

/* ---------- Cards ---------- */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(16, 42, 67, .06);
}
.card h2 { font-size: 17px; margin: 0 0 16px; }

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: 0 1px 3px rgba(16, 42, 67, .06);
}
.stat-card .stat-label { color: var(--text-muted); font-size: 13px; }
.stat-card .stat-value { font-size: 28px; font-weight: 700; color: var(--primary); margin-top: 4px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 9px 18px;
    border: none;
    border-radius: 7px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: background .15s, transform .05s;
    line-height: 1.4;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--accent); color: #fff; }
.btn-success:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-dark); }
.btn-secondary { background: #e4e9ee; color: var(--text); }
.btn-secondary:hover { background: #d4dbe2; }
.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .5);
}
.btn-outline:hover { background: rgba(255, 255, 255, .12); }
.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; }
.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-family: inherit;
    font-size: 15px;
    background: #fff;
    color: var(--text);
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 90, 138, .15);
}
.form-row { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end; }
.form-row .form-group { flex: 1; min-width: 160px; margin-bottom: 0; }
.form-hint { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ---------- Filter bar ---------- */
.filter-bar {
    background: var(--primary-light);
    border: 1px solid #c9ddec;
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 18px;
}

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table.dataTable, .table {
    width: 100% !important;
    border-collapse: collapse;
    font-size: 14px;
}
.table th, table.dataTable th {
    background: var(--primary-light);
    color: var(--primary-dark);
    font-weight: 700;
    padding: 10px 12px;
    text-align: left;
    border-bottom: 2px solid #c9ddec;
    white-space: nowrap;
}
.table td, table.dataTable td {
    padding: 9px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table tbody tr:hover, table.dataTable tbody tr:hover { background: #f7fafc; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.nowrap { white-space: nowrap; }

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter { margin-bottom: 12px; }
.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 6px 10px;
    font-family: inherit;
    margin-left: 6px;
}
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
    background: var(--primary) !important;
    color: #fff !important;
    border-color: var(--primary) !important;
    border-radius: 6px;
}

/* ---------- Badges & alerts ---------- */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}
.badge-admin { background: #ffe9c7; color: #8a5a00; }
.badge-customer { background: #d9f2e5; color: #117040; }
.badge-active { background: #d9f2e5; color: #117040; }
.badge-inactive { background: #fde2e2; color: #9c2525; }
.badge-ref { background: #e8eef4; color: #41566b; font-family: Consolas, monospace; }

.alert {
    padding: 13px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    border: 1px solid transparent;
    line-height: 1.6;
}
.alert-success { background: #e6f7ee; border-color: #b9e6cf; color: #117040; }
.alert-danger { background: #fdecec; border-color: #f5c6c6; color: #9c2525; }
.alert-warning { background: var(--warning-bg); border-color: #f0dba4; color: var(--warning-text); }
.alert-info { background: var(--primary-light); border-color: #c9ddec; color: var(--primary-dark); }
.alert ul { margin: 6px 0 0; padding-left: 22px; }

/* ---------- Login page ---------- */
.login-body {
    background: linear-gradient(135deg, #0a4368 0%, #0e5a8a 55%, #1379b5 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 20px;
}
.login-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .3);
    padding: 38px 36px;
    width: 100%;
    max-width: 400px;
}
.login-card .login-logo { text-align: center; font-size: 44px; margin-bottom: 8px; }
.login-card h1 { text-align: center; font-size: 21px; margin: 0 0 4px; color: var(--primary-dark); }
.login-card .login-sub { text-align: center; color: var(--text-muted); font-size: 13.5px; margin-bottom: 24px; }
.login-card .btn { width: 100%; padding: 11px; font-size: 15px; }

/* ---------- Upload preview ---------- */
.file-status-ok { color: var(--accent-dark); font-weight: 600; }
.file-status-bad { color: var(--danger); font-weight: 600; }
.drop-hint {
    border: 2px dashed #b9cbd9;
    border-radius: var(--radius);
    padding: 18px;
    text-align: center;
    color: var(--text-muted);
    background: #fafcfe;
    margin-bottom: 14px;
}

/* ---------- Progress bar ---------- */
.progress {
    background: #e4e9ee;
    border-radius: 9px;
    height: 18px;
    overflow: hidden;
}
.progress-bar {
    background: var(--accent);
    height: 100%;
    width: 0;
    transition: width .2s;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    line-height: 18px;
}

/* ---------- Action buttons in tables ---------- */
.actions { display: flex; gap: 6px; white-space: nowrap; }
.actions form { display: inline; margin: 0; }

@media (max-width: 720px) {
    .topbar-inner { padding: 10px 14px; }
    .page-head h1 { font-size: 19px; }
    .container { padding: 16px 12px 32px; }
}