*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    background: #f0f2f5;
    color: #333;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: #1890ff; text-decoration: none; }
a:hover { color: #40a9ff; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* ===== Navbar ===== */
.navbar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
    position: sticky;
    top: 0;
    z-index: 100;
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: relative;
}
.navbar-brand {
    font-size: 20px;
    font-weight: 700;
    color: #fff !important;
    letter-spacing: 1px;
    white-space: nowrap;
}
.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}
.navbar-collapse {
    display: flex;
    align-items: center;
    gap: 16px;
}
.navbar-nav { display: flex; list-style: none; gap: 4px; }
.navbar-nav li a {
    color: rgba(255,255,255,.85);
    padding: 8px 16px;
    border-radius: 6px;
    transition: all .2s;
    font-size: 14px;
    white-space: nowrap;
}
.navbar-nav li a:hover {
    background: rgba(255,255,255,.12);
    color: #fff;
}
.navbar-user {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}
.user-info {
    color: rgba(255,255,255,.85);
    display: flex;
    align-items: center;
    gap: 6px;
}
.user-role-badge {
    display: inline-block;
    padding: 1px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}
.role-admin { background: #ffd591; color: #ad4e00; }
.role-user { background: #bae7ff; color: #0050b3; }
.btn-logout {
    color: rgba(255,255,255,.7);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
    border: 1px solid rgba(255,255,255,.25);
    transition: all .2s;
}
.btn-logout:hover { color: #fff !important; border-color: #fff; }

/* ===== Main ===== */
main.container { flex: 1; padding-top: 24px; padding-bottom: 40px; }

.footer {
    background: #1a1a2e;
    color: rgba(255,255,255,.65);
    text-align: center;
    padding: 16px 0;
    font-size: 13px;
}

/* ===== Hero ===== */
.hero {
    text-align: center;
    padding: 60px 20px 40px;
}
.hero h1 { font-size: 36px; color: #1a1a2e; margin-bottom: 8px; }
.hero-desc { font-size: 16px; color: #666; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-actions .btn { padding: 12px 32px; font-size: 16px; }

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 24px;
}
.feature-card {
    background: #fff;
    border-radius: 10px;
    padding: 28px 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
    transition: transform .2s, box-shadow .2s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(0,0,0,.1); }
.feature-card h3 { font-size: 18px; color: #1a1a2e; margin-bottom: 8px; }
.feature-card p { color: #666; font-size: 14px; }
.feature-link { display:block; }
.feature-icon { font-size: 32px; margin-bottom: 8px; }

/* ===== Page Header ===== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}
.page-header h2 { font-size: 22px; color: #1a1a2e; }

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 8px 20px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    cursor: pointer;
    transition: all .2s;
    text-align: center;
    line-height: 1.5;
}
.btn-primary { background: #1890ff; color: #fff; }
.btn-primary:hover { background: #40a9ff; color: #fff; }
.btn-secondary { background: #e8e8e8; color: #333; }
.btn-secondary:hover { background: #d9d9d9; color: #333; }
.btn-danger { background: #ff4d4f; color: #fff; }
.btn-danger:hover { background: #ff7875; color: #fff; }
.btn-info { background: #13c2c2; color: #fff; }
.btn-info:hover { background: #36cfc9; color: #fff; }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-lg { padding: 12px 32px; font-size: 16px; }
.btn-block { width: 100%; padding: 10px 0; font-size: 16px; }

/* ===== Table ===== */
.table-wrap {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
table {
    width: 100%;
    border-collapse: collapse;
    min-width: 600px;
}
thead { background: #fafafa; }
th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: #666;
    border-bottom: 1px solid #f0f0f0;
    white-space: nowrap;
}
td {
    padding: 12px 16px;
    font-size: 14px;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
}
tbody tr:hover { background: #f5f8ff; }
.actions { white-space: nowrap; }
.actions .btn + .btn { margin-left: 4px; }

/* ===== Badges ===== */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}
.badge-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.badge-danger { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }
.badge-primary { background: #e6f7ff; color: #1890ff; border: 1px solid #91d5ff; }
.badge-secondary { background: #f5f5f5; color: #666; border: 1px solid #d9d9d9; }

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.empty-state p { color: #999; font-size: 16px; margin-bottom: 16px; }

/* ===== Location Review Grid ===== */
.review-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:12px; }
.review-card { background:#fff; border-radius:8px; box-shadow:0 1px 4px rgba(0,0,0,.08); display:flex; flex-direction:column; overflow:hidden; }
.review-info { padding:12px 14px; flex:1; }
.review-code { font-weight:700; font-size:14px; color:#333; }
.review-name { font-size:13px; color:#555; margin:2px 0; }
.review-serial { font-size:12px; color:#999; }
.review-location { font-size:12px; color:#722ed1; margin-top:6px; }
.review-photo { border-top:1px solid #f0f0f0; }
.review-thumb { width:100%; height:160px; object-fit:cover; display:block; cursor:pointer; }
.review-no-photo { padding:20px; text-align:center; color:#ccc; font-size:14px; }
@media(max-width:640px) {
    .review-grid { grid-template-columns:1fr; }
    .review-thumb { height:200px; }
}

/* ===== Modal ===== */
.modal { position:fixed; inset:0; z-index:1000; display:none; align-items:center; justify-content:center; }
.modal-overlay { position:absolute; inset:0; background:rgba(0,0,0,.65); }
.modal-content { position:relative; background:#fff; border-radius:10px; padding:16px; max-width:90vw; width:fit-content; }
.modal-close { position:absolute; top:6px; right:12px; font-size:28px; cursor:pointer; color:#666; line-height:1; }

/* ===== Forms ===== */
.form {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,.06);
    max-width: 720px;
}
.form-inline {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    padding: 20px 24px;
    max-width: none;
}
.form-group { margin-bottom: 16px; }
.form-inline .form-group { margin-bottom: 0; flex: 1; min-width: 150px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: #333; }
.form-group .required { color: #ff4d4f; }
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="file"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color .2s;
    background: #fff;
}
.form-group input[type="text"]:focus,
.form-group input[type="password"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 2px rgba(24,144,255,.2);
}
.form-group textarea { resize: vertical; }
.form-text { display: block; color: #999; font-size: 12px; margin-top: 4px; }
.form-actions { display: flex; gap: 12px; margin-top: 20px; flex-wrap: wrap; }
.current-image { margin-bottom: 8px; }
.current-image input[type="checkbox"] { margin-right: 4px; }

/* ===== Alerts ===== */
.alert {
    padding: 10px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-success { background: #f6ffed; color: #52c41a; border: 1px solid #b7eb8f; }
.alert-danger { background: #fff2f0; color: #ff4d4f; border: 1px solid #ffccc7; }

.text-muted { color: #999; }

/* ===== Breadcrumb ===== */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: #999;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.breadcrumb a { color: #1890ff; }
.breadcrumb a:hover { color: #40a9ff; }
.breadcrumb .sep { color: #ccc; }
.breadcrumb .current { color: #666; }

/* ===== Modal ===== */
.modal {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    align-items: center;
    justify-content: center;
}
.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,.6);
}
.modal-content {
    position: relative;
    background: #fff;
    padding: 24px;
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0,0,0,.3);
    z-index: 1;
    margin: 16px;
    max-width: 90vw;
}
.modal-close {
    position: absolute;
    top: 8px;
    right: 16px;
    font-size: 28px;
    cursor: pointer;
    color: #666;
    line-height: 1;
}
.modal-close:hover { color: #333; }

/* ===== Login Page ===== */
.login-body {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}
.login-card {
    background: #fff;
    border-radius: 12px;
    padding: 40px 32px;
    box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.login-card h1 {
    text-align: center;
    font-size: 24px;
    color: #1a1a2e;
    margin-bottom: 4px;
}
.login-sub {
    text-align: center;
    color: #999;
    font-size: 14px;
    margin-bottom: 24px;
}
.login-card .form-group { margin-bottom: 20px; }
.login-card input {
    padding: 10px 12px;
    font-size: 15px;
}
.login-divider {
    margin: 18px 0 16px;
    text-align: center;
    color: #999;
    font-size: 13px;
    position: relative;
}
.login-divider::before,
.login-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 38%;
    height: 1px;
    background: #e8e8e8;
}
.login-divider::before { left: 0; }
.login-divider::after { right: 0; }
.btn-wecom { background: #07c160; color: #fff; }
.btn-wecom:hover { background: #06ad56; color: #fff; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .navbar .container { height: auto; padding: 8px 16px; flex-wrap: wrap; }
    .navbar-toggle { display: block; }
    .navbar-collapse {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        padding: 8px 0 12px;
        gap: 8px;
    }
    .navbar-collapse.show { display: flex; }
    .navbar-nav { flex-direction: column; gap: 2px; }
    .navbar-nav li a { display: block; padding: 10px 12px; }
    .navbar-user {
        justify-content: space-between;
        border-top: 1px solid rgba(255,255,255,.1);
        padding-top: 10px;
        margin-top: 4px;
    }

    .hero h1 { font-size: 26px; }
    .hero { padding: 40px 16px 24px; }
    .page-header h2 { font-size: 18px; }
    .page-header { flex-direction: column; align-items: stretch; }
    .page-header .btn { text-align: center; }

    .form-inline { flex-direction: column; align-items: stretch; }
    .form-inline .form-group { min-width: auto; }
    .form { padding: 16px; }
    .form-actions { flex-direction: column; }
    .form-actions .btn { width: 100%; }

    table { min-width: auto; }
    th, td { padding: 8px 10px; font-size: 13px; }
    .actions .btn + .btn { margin-left: 2px; }
}

@media (max-width: 480px) {
    .container { padding: 0 10px; }
    .table-wrap { border-radius: 6px; }
    th, td { padding: 6px 8px; font-size: 12px; }
    .btn-sm { font-size: 11px; padding: 3px 8px; }
    .features { grid-template-columns: 1fr; }
}

/* ===== Barcode Scanner Overlay ===== */
#scanner-overlay {
    position: fixed; z-index: 99999; top: 0; left: 0; right: 0; bottom: 0;
    background: #000; display: flex; align-items: center; justify-content: center;
}
.scanner-viewfinder {
    position: relative; width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
}
#scanner-video {
    width: 100%; height: 100%; object-fit: cover;
}
.scanner-frame {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
    width: 70%; max-width: 320px; aspect-ratio: 1;
    border: 2px solid rgba(255,255,255,0.8);
    border-radius: 12px; box-shadow: 0 0 0 9999px rgba(0,0,0,0.5);
}
.scanner-line {
    position: absolute; top: 0; left: 5%; right: 5%; height: 2px;
    background: #ff4d4f; animation: scanMove 2s ease-in-out infinite;
}
@keyframes scanMove {
    0%, 100% { top: 5%; }
    50% { top: 90%; }
}
.scanner-hint {
    position: absolute; bottom: 12%; left: 0; right: 0;
    text-align: center; color: #fff; font-size: 14px; text-shadow: 0 1px 4px rgba(0,0,0,0.8);
}
.scanner-close {
    position: absolute; top: 40px; right: 20px;
    background: rgba(255,255,255,0.2); border: none; color: #fff;
    font-size: 28px; width: 44px; height: 44px; border-radius: 50%;
    cursor: pointer; line-height: 44px; text-align: center;
}
.scanner-flash {
    position: absolute; top: 40px; left: 20px;
    background: rgba(255,255,255,0.2); border: none; color: #fff;
    font-size: 22px; width: 44px; height: 44px; border-radius: 50%;
    cursor: pointer; line-height: 44px; text-align: center;
}
.scanner-btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; background: #1890ff; color: #fff;
    border: none; border-radius: 6px; font-size: 14px; cursor: pointer;
}
.scanner-btn:hover { background: #40a9ff; }

/* ===== Continuous Scan Overlay ===== */
#cs-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 99999;
    display: flex; align-items: center; justify-content: center;
    padding: 12px;
}
#cs-card {
    background: #fff; border-radius: 16px; width: 100%;
    max-width: 440px; max-height: 90vh; display: flex;
    flex-direction: column; overflow: hidden; box-shadow: 0 8px 40px rgba(0,0,0,0.3);
}
#cs-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 18px; border-bottom: 1px solid #eee;
}
#cs-title { font-size: 17px; font-weight: 600; color: #333; }
#cs-close {
    width: 32px; height: 32px; border: none; background: #f0f0f0;
    border-radius: 50%; font-size: 20px; cursor: pointer; color: #666;
    display: flex; align-items: center; justify-content: center;
}
#cs-close:hover { background: #e0e0e0; }
#cs-main {
    padding: 24px 18px 16px; text-align: center;
}
#cs-btn {
    width: 100%; padding: 32px 16px; font-size: 28px;
    background: linear-gradient(135deg, #1890ff, #096dd9);
    color: #fff; border: none; border-radius: 16px; cursor: pointer;
    font-weight: 600; letter-spacing: 1px;
    box-shadow: 0 4px 16px rgba(24,144,255,0.4);
    transition: transform 0.1s;
}
#cs-btn:active { transform: scale(0.97); }
#cs-btn:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }
#cs-extra-hint { margin-top: 8px; font-size: 12px; color: #999; }
#cs-body {
    flex: 1; overflow-y: auto; padding: 0 18px 8px;
    min-height: 100px;
}
#cs-results-title { font-size: 13px; font-weight: 600; color: #666; margin-bottom: 6px; }
#cs-results { max-height: 240px; overflow-y: auto; }
.cs-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 8px 10px; margin-bottom: 4px; border-radius: 8px;
    font-size: 14px; font-weight: 500;
}
.cs-item-green { background: #f6ffed; color: #389e0d; }
.cs-item-red { background: #fff2f0; color: #cf1322; }
.cs-item-text { flex: 1; }
.cs-item-del {
    width: 24px; height: 24px; border: none; background: transparent;
    font-size: 14px; cursor: pointer; color: #999; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.cs-item-del:hover { background: rgba(0,0,0,0.1); color: #333; }
#cs-footer {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 18px; border-top: 1px solid #eee;
    gap: 12px;
}
#cs-stats { font-size: 13px; color: #888; white-space: nowrap; }
#cs-stop-btn { font-size: 13px; padding: 6px 16px; }