/* DELFIN SMART HOME — Admin panel */
:root {
    --primary: #4f6ef7;
    --primary-dark: #3b57d9;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --bg: #0f1117;
    --sidebar: #161922;
    --card: #1c1f2e;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --border: #2a2f42;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; }
a { color: var(--primary); text-decoration: none; }

/* Login */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 40px; width: 100%; max-width: 400px; }
.login-card h1 { font-size: 24px; margin-bottom: 4px; }
.login-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 28px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; background: var(--bg); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text); font-size: 14px;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary); }
.btn { padding: 10px 20px; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; transition: 0.2s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #000; }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; }
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; }
.alert-error { background: rgba(239,68,68,0.15); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.15); color: #86efac; }
.key-row { display: flex; gap: 8px; align-items: center; }
.key-row input { flex: 1; font-family: ui-monospace, monospace; font-size: 13px; }
.key-status { margin-left: 8px; font-size: 12px; font-weight: 600; }
.key-ok { color: #86efac; }
.key-missing { color: #94a3b8; }

/* Layout */
.app { display: none; }
.app.active { display: flex; min-height: 100vh; }
.sidebar { width: 240px; background: var(--sidebar); border-right: 1px solid var(--border); padding: 20px 0; flex-shrink: 0; }
.sidebar .brand { padding: 0 20px 20px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.sidebar .brand h2 { font-size: 18px; }
.sidebar .brand span { color: var(--primary); }
.sidebar .brand p { font-size: 11px; color: var(--muted); margin-top: 2px; }
.nav-item { display: block; padding: 10px 20px; color: var(--muted); font-size: 14px; cursor: pointer; transition: 0.2s; border-left: 3px solid transparent; }
.nav-item:hover, .nav-item.active { color: var(--text); background: rgba(79,110,247,0.08); border-left-color: var(--primary); }
.main { flex: 1; padding: 24px 32px; overflow-y: auto; }
.page { display: none; }
.page.active { display: block; }
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; gap: 12px; flex-wrap: wrap; }
.page-header h1 { font-size: 24px; }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* Stats */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; }
.stat-card .label { font-size: 12px; color: var(--muted); text-transform: uppercase; }
.stat-card .value { font-size: 28px; font-weight: 700; margin-top: 4px; }
.stat-card .value.green { color: var(--success); }
.stat-card .value.blue { color: var(--primary); }
.stat-card .value.red { color: var(--danger); }

/* Table */
.table-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; padding: 12px 16px; font-size: 11px; color: var(--muted); text-transform: uppercase; background: rgba(0,0,0,0.2); }
td { padding: 12px 16px; font-size: 14px; border-top: 1px solid var(--border); }
tr:hover td { background: rgba(79,110,247,0.04); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 12px; font-size: 11px; font-weight: 600; }
.badge-green { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-red { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-yellow { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-blue { background: rgba(79,110,247,0.15); color: var(--primary); }

/* Search bar */
.search-bar { display: flex; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.search-bar input { flex: 1; min-width: 220px; }
.search-bar input, .search-bar select {
    padding: 10px 14px; background: var(--card); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text); font-size: 14px;
}
.search-bar input:focus, .search-bar select:focus { outline: none; border-color: var(--primary); }
.pagination {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    margin-top: 16px; color: var(--muted); font-size: 13px; flex-wrap: wrap;
}
.pagination-actions { display: flex; align-items: center; gap: 8px; }
.pagination .btn:disabled { opacity: 0.4; cursor: not-allowed; }
.empty-row { text-align: center; color: var(--muted); padding: 32px 16px; }
.customer-id { font-family: ui-monospace, monospace; font-weight: 700; letter-spacing: 0.5px; }
.log-customer-filter { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.customer-search-wrap { position: relative; width: min(100%, 520px); }
.customer-search-wrap input {
    width: 100%; padding: 11px 14px; background: var(--card); color: var(--text);
    border: 1px solid var(--border); border-radius: 8px; font-size: 14px;
}
.customer-search-wrap input:focus { outline: none; border-color: var(--primary); }
.customer-search-results {
    display: none; position: absolute; z-index: 100; top: calc(100% + 5px); left: 0; right: 0;
    max-height: 280px; overflow-y: auto; background: var(--card);
    border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 16px 32px rgba(0,0,0,0.35);
}
.customer-search-results.active { display: block; }
.customer-search-item {
    width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 11px 14px; background: transparent; color: var(--text); border: 0;
    border-bottom: 1px solid var(--border); cursor: pointer; text-align: left;
}
.customer-search-item:last-child { border-bottom: 0; }
.customer-search-item:hover { background: rgba(79,110,247,0.1); }
.customer-search-item small { color: var(--muted); }
.customer-search-empty { padding: 14px; color: var(--muted); text-align: center; font-size: 13px; }
.selected-customer {
    align-items: center; gap: 10px; padding: 8px 12px; border-radius: 8px;
    background: rgba(34,197,94,0.12); color: #86efac; font-size: 13px;
}
.selected-customer button {
    border: 0; background: transparent; color: #86efac; cursor: pointer;
    font-size: 20px; line-height: 1;
}
.inventory-tabs {
    display: flex; gap: 4px; margin-bottom: 16px; padding: 4px;
    width: fit-content; background: var(--card); border: 1px solid var(--border); border-radius: 10px;
}
.inventory-tab {
    padding: 9px 16px; border: 0; border-radius: 7px; cursor: pointer;
    background: transparent; color: var(--muted); font-weight: 600;
}
.inventory-tab.active { background: var(--primary); color: #fff; }
.compact-table th, .compact-table td { padding: 8px 12px; }
.compact-table td { font-size: 13px; }
.modal-title-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.modal-close { border: 0; background: transparent; color: var(--muted); font-size: 26px; cursor: pointer; }
.chip-detail-modal { max-width: 720px; }
.chip-detail-head { display: flex; gap: 20px; align-items: center; margin-bottom: 18px; }
.chip-detail-qr {
    width: 126px; height: 126px; flex-shrink: 0; background: #fff;
    padding: 6px; border-radius: 8px;
}
.chip-detail-qr img, .chip-detail-qr canvas { width: 114px !important; height: 114px !important; }
.chip-detail-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
.chip-detail-field { padding: 9px 0; border-bottom: 1px solid var(--border); min-width: 0; }
.chip-detail-field .label { display: block; color: var(--muted); font-size: 11px; text-transform: uppercase; margin-bottom: 3px; }
.chip-detail-field .value { overflow-wrap: anywhere; }
.print-history { margin-top: 20px; }
.print-history h4 { margin-bottom: 8px; }
.print-history-row {
    display: flex; justify-content: space-between; align-items: center; gap: 12px;
    padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px;
}

/* Modal */
.modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 200; align-items: center; justify-content: center; }
.modal-overlay.active { display: flex; }
.modal { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 28px; width: 90%; max-width: 500px; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-bottom: 20px; font-size: 18px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-end; }

/* Detail card */
.detail-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-bottom: 20px; }
.detail-card h3 { margin-bottom: 16px; font-size: 16px; }
.detail-row { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.detail-row:last-child { border: none; }
.detail-row .label { color: var(--muted); }

@media (max-width: 768px) {
    .app.active { flex-direction: column; }
    .sidebar { width: 100%; }
    .main { padding: 16px; }
    .chip-detail-grid { grid-template-columns: 1fr; }
    .chip-detail-head { align-items: flex-start; }
}