::selection { background: var(--color-selection); }

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--text-primary);
    background: var(--bg-app);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--text-link); text-decoration: none; }
a:hover { color: var(--text-link-hover); text-decoration: underline; }
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--sp-3);
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-heading);
}
h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-md); }
p  { margin: 0 0 var(--sp-3); line-height: 1.6; color: var(--text-secondary); }
hr { border: 0; border-top: 1px solid var(--border); margin: var(--sp-5) 0; }
code, pre { font-family: var(--font-mono); font-size: .875em; }

.app-layout {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    grid-template-rows: var(--topbar-height) 1fr;
    grid-template-areas:
        "sidebar topbar"
        "sidebar main";
    min-height: 100vh;
}
.app-sidebar {
    grid-area: sidebar;
    background: var(--bg-sidebar);
    color: var(--text-on-dark);
    display: flex; flex-direction: column;
    position: sticky; top: 0; height: 100vh;
    overflow: hidden;
    border-right: 1px solid var(--border);
    box-shadow: 2px 0 8px rgba(0,0,0,.15);
}
.app-topbar {
    grid-area: topbar;
    background: var(--bg-topbar);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center;
    padding: 0 var(--sp-6);
    position: sticky; top: 0; z-index: 50;
}
.app-main {
    grid-area: main;
    background: var(--bg-main);
    padding: var(--sp-6);
    overflow-x: hidden;
}

@media (max-width: 900px) {
    .app-layout {
        grid-template-columns: 1fr;
        grid-template-areas: "topbar" "main";
    }
    .app-sidebar { display: none; }
    .app-sidebar.is-open { display: flex; position: fixed; inset: 0 auto 0 0; width: 80%; max-width: 320px; z-index: 100; box-shadow: 4px 0 20px rgba(0,0,0,.4); }
    .app-sidebar.is-open ~ .sidebar-backdrop { display: block; }
}

.sidebar-brand {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-5) var(--sp-5);
    border-bottom: 1px solid var(--border-light);
    color: #fff; text-decoration: none;
}
.sidebar-brand:hover { text-decoration: none; }
.sidebar-brand .brand-mark {
    width: 36px; height: 36px; border-radius: var(--radius);
    background: var(--color-primary);
    display: grid; place-items: center;
    color: var(--text-on-bright);
    font-weight: var(--font-weight-bold); font-size: 1rem;
}
.sidebar-brand .brand-text { line-height: 1.2; }
.sidebar-brand .brand-text strong { display: block; font-size: .9rem; font-weight: var(--font-weight-semibold); }
.sidebar-brand .brand-text small  { color: var(--text-muted); font-size: .7rem; letter-spacing: .04em; text-transform: uppercase; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: var(--sp-3) 0; }
.sidebar-nav .nav-section {
    padding: var(--sp-4) var(--sp-5) var(--sp-2);
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    font-weight: var(--font-weight-semibold);
}
.sidebar-nav a {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: 9px var(--sp-5);
    color: var(--text-on-dark);
    border-left: 3px solid transparent;
    transition: all var(--t-fast);
    font-size: .88rem;
    text-decoration: none;
}
.sidebar-nav a:hover { background: rgba(255,255,255,.05); color: #fff; text-decoration: none; }
.sidebar-nav a.active {
    background: var(--color-focus-ring);
    color: #fff;
    border-left-color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}
.sidebar-nav a i { width: 18px; text-align: center; opacity: .8; }
.sidebar-nav a.disabled { color: var(--text-muted); cursor: default; pointer-events: none; opacity: .6; }
.sidebar-nav a.disabled:hover { background: none; color: var(--text-muted); }

.sidebar-footer {
    padding: var(--sp-4) var(--sp-5);
    border-top: 1px solid var(--border-light);
    color: var(--text-muted); font-size: .75rem;
}

.topbar-toggle {
    display: none;
    background: none; border: 0; padding: var(--sp-2); cursor: pointer;
    color: var(--text-secondary); font-size: 1.1rem;
}
@media (max-width: 900px) { .topbar-toggle { display: inline-flex; } }
.topbar-title { font-size: var(--font-size-md); font-weight: var(--font-weight-semibold); color: var(--text-primary); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-3); }
.topbar-user { display: flex; align-items: center; gap: var(--sp-2); color: var(--text-secondary); }
.avatar {
    width: 34px; height: 34px; border-radius: 50%;
    background: var(--color-primary);
    color: var(--text-on-bright);
    display: grid; place-items: center;
    font-weight: var(--font-weight-semibold); font-size: .85rem;
}
.sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 90;
}

.page-header {
    display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-3);
    margin-bottom: var(--sp-5);
}
.page-header h1 { margin: 0; }
.page-header .subtitle { color: var(--text-muted); font-size: var(--font-size-sm); margin-top: 2px; }
.page-header .actions { margin-left: auto; display: flex; gap: var(--sp-2); flex-wrap: wrap; }

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: var(--sp-5);
}
.card-header {
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: var(--sp-3);
}
.card-header h2, .card-header h3 { margin: 0; }
.card-header .actions { margin-left: auto; display: flex; gap: var(--sp-2); }
.card-body { padding: var(--sp-5); }
.card-footer {
    padding: var(--sp-3) var(--sp-5);
    border-top: 1px solid var(--border);
    background: var(--bg-muted);
    border-radius: 0 0 var(--radius) var(--radius);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--sp-4);
    margin-bottom: var(--sp-5);
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--sp-5);
    box-shadow: var(--shadow);
    display: flex; align-items: center; gap: var(--sp-4);
}
.stat-icon {
    width: 44px; height: 44px; border-radius: var(--radius);
    display: grid; place-items: center;
    font-size: 1.1rem;
    flex-shrink: 0;
}
.stat-icon.primary   { background: var(--color-primary); color: var(--text-on-bright); }
.stat-icon.success   { background: var(--color-success); color: var(--text-on-bright); }
.stat-icon.warning   { background: var(--color-warning); color: var(--text-on-bright); }
.stat-icon.info      { background: var(--color-info); color: var(--text-on-primary); }
.stat-content { line-height: 1.3; }
.stat-content .label { color: var(--text-muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; font-weight: var(--font-weight-semibold); }
.stat-content .value { font-size: var(--font-size-xl); font-weight: var(--font-weight-bold); color: var(--text-primary); margin-top: 2px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 7px 13px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
    cursor: pointer;
    transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast), box-shadow var(--t-fast);
    text-decoration: none; white-space: nowrap;
    box-shadow: var(--shadow-sm);
}
.btn:hover { background: var(--bg-hover); text-decoration: none; }
.btn:active { box-shadow: none; }
.btn-primary { background: var(--color-primary); color: var(--text-on-bright); border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); color: var(--text-on-bright); border-color: var(--color-primary-dark); }
.btn-secondary { background: var(--bg-card); color: var(--text-primary); border-color: var(--border-strong); }
.btn-secondary:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-success { background: var(--color-success); color: var(--text-on-bright); border-color: var(--color-success); }
.btn-success:hover { background: #2dbd84; color: var(--text-on-bright); border-color: #2dbd84; }
.btn-danger  { background: #dc2626;  color: var(--text-on-primary); border-color: #dc2626; }
.btn-danger:hover  { background: #b91c1c; color: var(--text-on-primary); border-color: #b91c1c; }
.btn-warning { background: var(--color-warning); color: var(--text-on-bright); border-color: var(--color-warning); }
.btn-warning:hover { background: #d49520; color: var(--text-on-bright); border-color: #d49520; }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); box-shadow: none; }
.btn-outline:hover { background: var(--color-primary); color: var(--text-on-bright); }
.btn-ghost   { background: transparent; color: var(--text-secondary); border-color: transparent; box-shadow: none; }
.btn-ghost:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-sm  { padding: 4px 9px; font-size: var(--font-size-sm); }
.btn-lg  { padding: 10px 18px; font-size: var(--font-size-md); }
.btn-icon{ padding: 6px 7px; }
.btn-block{ width: 100%; }
.btn[disabled], .btn:disabled { opacity: .5; cursor: not-allowed; pointer-events: none; }

.form-grid {
    display: grid; gap: var(--sp-4);
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group.full { grid-column: 1 / -1; }
.form-label { font-size: .85rem; font-weight: var(--font-weight-medium); color: var(--text-secondary); }
.form-label .required { color: var(--color-danger); }
.form-control {
    width: 100%;
    padding: 8px 11px;
    font-size: var(--font-size-base);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    line-height: 1.4;
}
.form-control:focus {
    outline: 0;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.form-control[readonly] {
    background: var(--bg-muted);
    color: var(--text-muted);
    cursor: default;
}
.form-control[readonly]:focus {
    border-color: var(--border-strong);
    box-shadow: none;
}
textarea.form-control { min-height: 80px; resize: vertical; }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B6F76' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 11px center;
    padding-right: 30px;
}
.form-help { font-size: var(--font-size-xs); color: var(--text-muted); }
.form-error { font-size: var(--font-size-xs); color: var(--color-danger); }
.is-invalid { border-color: var(--color-danger) !important; }
.form-actions { display: flex; gap: var(--sp-2); justify-content: flex-end; margin-top: var(--sp-4); flex-wrap: wrap; }

.table-wrap { width: 100%; overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.table {
    width: 100%; border-collapse: collapse; background: var(--bg-card);
    font-size: var(--font-size-base);
}
.table th, .table td {
    padding: 10px 13px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.table th {
    background: var(--bg-muted);
    color: var(--text-secondary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: .04em;
    position: sticky; top: 0; z-index: 1;
}
.table tbody tr:hover { background: var(--bg-hover); }
.table .clickable-row { cursor: pointer; }
.table .clickable-row:hover { background: color-mix(in srgb, var(--bg-hover) 60%, var(--color-primary) 15%); }
.category-row td { padding: 10px 14px !important; background: var(--bg-muted); font-weight:600; letter-spacing:.03em; border-bottom:2px solid var(--border); pointer-events:none; }
.table .actions { display: flex; gap: 4px; flex-wrap: nowrap; }
.table .text-right { text-align: right; }
.table .text-center { text-align: center; }
.table-empty {
    text-align: center; padding: var(--sp-7);
    color: var(--text-muted); font-size: var(--font-size-md);
}

.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: var(--radius-pill);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    background: var(--bg-muted); color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: .03em;
    line-height: 1.5;
}
.badge-primary { background: rgba(102,252,241,.12); color: #66FCF1; }
.badge-success { background: rgba(52,211,153,.12); color: #34D399; }
.badge-warning { background: rgba(240,180,41,.12); color: #F0B429; }
.badge-danger  { background: rgba(245,101,101,.12); color: #F56565; }
.badge-info    { background: rgba(69,162,158,.12); color: #45A29E; }
.badge-muted   { background: var(--bg-muted); color: var(--text-muted); }

.alert {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    margin-bottom: var(--sp-4);
    display: flex; align-items: center; gap: var(--sp-2);
    font-size: var(--font-size-base);
    line-height: 1.5;
}
.alert-success { background: rgba(52,211,153,.08); color: #34D399; border-color: rgba(52,211,153,.15); }
.alert-danger  { background: rgba(245,101,101,.08); color: #F56565; border-color: rgba(245,101,101,.15); }
.alert-warning { background: rgba(240,180,41,.08); color: #F0B429; border-color: rgba(240,180,41,.15); }
.alert-info    { background: rgba(69,162,158,.08); color: #45A29E; border-color: rgba(69,162,158,.15); }

.search-wrapper {
    position: relative;
    margin: 0 var(--sp-4);
    flex: 0 1 320px;
    min-width: 0;
}
.search-input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    font-size: var(--font-size-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--bg-app);
    color: var(--text-primary);
    transition: border-color var(--t-fast), box-shadow var(--t-fast);
    line-height: 1.4;
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
    outline: 0;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}
.search-wrapper::before {
    content: '\f002';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: .8rem;
    pointer-events: none;
    z-index: 1;
}
.search-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    min-width: 320px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 300;
    max-height: 420px;
    overflow-y: auto;
}
.search-dropdown.is-open { display: block; }
.search-list { list-style: none; margin: 0; padding: 4px 0; }
.search-item { margin: 0; padding: 0; }
.search-item.is-highlighted { background: var(--bg-hover); }
.search-link {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    padding: 9px 14px;
    text-decoration: none;
    color: var(--text-primary);
    transition: none;
}
.search-link:hover { background: var(--bg-hover); text-decoration: none; }
.search-label {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
}
.search-subtitle {
    flex: 0 0 auto;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    white-space: nowrap;
}
.search-badge {
    flex: 0 0 auto;
    font-size: .65rem;
    padding: 1px 7px;
}
.search-empty {
    padding: var(--sp-5);
    text-align: center;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

@media (max-width: 700px) {
    .search-wrapper { flex: 1 1 100%; order: -1; margin: 0 0 var(--sp-2); }
    .search-dropdown { left: 0; right: 0; min-width: 0; }
}

.modal-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,.6);
    display: none; align-items: flex-start; justify-content: center;
    z-index: 200; padding: 5vh var(--sp-4); overflow-y: auto;
}
.modal-backdrop.is-open { display: flex; }
.modal {
    background: var(--bg-card); width: 100%; max-width: 500px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden; animation: modal-in .2s ease;
}
.modal.modal-lg { max-width: 700px; }
.modal-header {
    padding: var(--sp-4) var(--sp-5);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: var(--sp-3);
}
.modal-header h3 { margin: 0; flex: 1; font-size: var(--font-size-lg); }
.modal-close {
    background: none; border: 0; cursor: pointer; font-size: 1.25rem;
    color: var(--text-muted); padding: 0; line-height: 1;
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: var(--sp-5); }
.modal-footer {
    padding: var(--sp-3) var(--sp-5);
    border-top: 1px solid var(--border);
    display: flex; gap: var(--sp-2); justify-content: flex-end;
    background: var(--bg-muted);
}
@keyframes modal-in {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.filter-bar {
    display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--sp-3);
    padding: var(--sp-4); background: var(--bg-card);
    border: 1px solid var(--border); border-radius: var(--radius);
    margin-bottom: var(--sp-4);
    box-shadow: var(--shadow-sm);
}
.filter-bar .form-group { min-width: 180px; }
.filter-bar .form-actions { margin-top: 0; width: auto; }

.pagination { display: flex; gap: 3px; flex-wrap: wrap; align-items: center; }
.pagination a, .pagination span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 34px; height: 34px; padding: 0 8px;
    border-radius: var(--radius-sm);
    background: var(--bg-card); color: var(--text-primary);
    border: 1px solid var(--border); font-size: .85rem;
    text-decoration: none; cursor: pointer;
}
.pagination a:hover { background: var(--bg-hover); border-color: var(--border-strong); text-decoration: none; }
.pagination .active span { background: var(--color-primary); color: var(--text-on-bright); border-color: var(--color-primary); font-weight: var(--font-weight-medium); }
.pagination .disabled span { color: var(--text-muted); cursor: default; }

.text-muted { color: var(--text-muted); }
.text-success { color: var(--color-success); }
.text-danger  { color: var(--color-danger); }
.text-warning { color: var(--color-warning); }
.text-primary { color: var(--color-primary); }
.text-right   { text-align: right; }
.text-center  { text-align: center; }
.text-right-sm { text-align: right; }
@media (max-width: 600px) { .text-right-sm { text-align: left; } }

.mt-0 { margin-top: 0; } .mt-2 { margin-top: var(--sp-2); } .mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: var(--sp-2); } .mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.d-flex { display: flex; } .gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); } .items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.w-100 { width: 100%; }
.hidden { display: none !important; }
hr.divider { border-top: 1px dashed var(--border); margin: var(--sp-4) 0; }

/* ---------- bill layout ---------- */
.bill-layout { display:flex; gap:var(--sp-4); align-items:flex-start; }
.bill-panel { flex:1; min-width:0; }
.bill-panel-left { flex:0 0 380px; position:sticky; top:var(--sp-4); }
.bill-panel-right { flex:1; }
@media (max-width:1024px) { .bill-layout { flex-direction:column; } .bill-panel-left { flex:1; position:static; } }

/* ---------- autocomplete dropdown ---------- */
.autocomplete-list { position:absolute; top:100%; left:0; right:0; z-index:9999; background:var(--bg-card); border:1px solid var(--border); border-top:none; border-radius:0 0 var(--radius-sm) var(--radius-sm); max-height:240px; overflow-y:auto; }
td .autocomplete-list { top:calc(100% - 1px); }
.autocomplete-item { padding:8px 12px; cursor:pointer; font-size:var(--font-size-sm); transition:background .15s; }
.autocomplete-item:hover { background:var(--bg-hover); }
.autocomplete-item.disabled { cursor:default; color:var(--text-muted); }
.form-group { position:relative; }
td { position:relative; }
td { overflow:visible; }
.table-wrap { overflow-x:auto !important; overflow-y:visible !important; }

@media print {
    .app-sidebar, .app-topbar, .page-header .actions, .filter-bar, .pagination { display: none !important; }
    .app-layout { grid-template-columns: 1fr; grid-template-areas: "main"; }
    .app-main { padding: 0; }
    .card { box-shadow: none; border: 1px solid #555; }
}

/* ---- Scheme highlight ---- */
.scheme-auto-box { border-left: 4px solid var(--color-primary) !important; background: rgba(102, 252, 241, 0.08) !important; }
.scheme-row-highlight { background: rgba(102, 252, 241, 0.06); border-left: 3px solid var(--color-primary); padding-left: var(--sp-2); }