:root {
  --bg:#0e0f11; --surface:#16181c; --surface2:#1e2128; --border:#2a2d35;
  --text:#e8eaf0; --muted:#6b7280; --accent:#6ee7b7; --red:#f87171;
  --blue:#60a5fa; --purple:#a78bfa; --amber:#f59e0b;
  --mono:'DM Mono',monospace; --sans:'DM Sans',sans-serif;
  --radius:12px;
}
[data-theme=light] {
  --bg:#f8f9fa; --surface:#ffffff; --surface2:#f1f3f5; --border:#dee2e6;
  --text:#212529; --muted:#868e96;
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px}
body{background:var(--bg);color:var(--text);font-family:var(--sans);min-height:100vh;transition:background .2s,color .2s}

/* Layout */
.shell{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--surface);border-right:1px solid var(--border);
  padding:24px 16px;display:flex;flex-direction:column;gap:4px;flex-shrink:0;
  position:sticky;top:0;height:100vh;overflow-y:auto}
.main{flex:1;padding:28px 32px;overflow-x:hidden;max-width:1200px}

/* Sidebar */
.logo{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:2px;
  text-transform:uppercase;margin-bottom:24px;padding-bottom:14px;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:8px}
.logo-icon{font-size:18px}
.nav-label{font-size:10px;color:var(--muted);letter-spacing:1.5px;text-transform:uppercase;
  margin:14px 0 4px 8px;font-family:var(--mono)}
.nav-btn{background:none;border:none;color:var(--muted);font-family:var(--sans);font-size:13px;
  padding:8px 12px;border-radius:8px;cursor:pointer;text-align:left;width:100%;
  transition:all .15s;display:flex;align-items:center;gap:9px;line-height:1.3}
.nav-btn:hover{background:var(--surface2);color:var(--text)}
.nav-btn.active{background:var(--surface2);color:var(--accent);font-weight:500}
.nav-btn svg{flex-shrink:0;opacity:.6}
.nav-btn.active svg{opacity:1}
.sidebar-bottom{margin-top:auto;padding-top:12px;border-top:1px solid var(--border)}

/* Month nav */
.month-row{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.month-label{font-family:var(--mono);font-size:18px;font-weight:500;flex:1}
.month-btn{background:var(--surface);border:1px solid var(--border);color:var(--text);
  width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:15px;
  display:flex;align-items:center;justify-content:center;transition:all .15s}
.month-btn:hover{border-color:var(--accent);color:var(--accent)}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.card-label{font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;
  font-family:var(--mono);margin-bottom:8px}
.card-value{font-family:var(--mono);font-size:22px;font-weight:500}
.card-value.green{color:var(--accent)}
.card-value.red{color:var(--red)}
.card-value.blue{color:var(--blue)}
.card-sub{font-size:11px;color:var(--muted);margin-top:5px;font-family:var(--mono)}
.card-sub.up{color:#4ade80}.card-sub.down{color:var(--red)}

/* Panels */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 22px}
.panel-title{font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;
  font-family:var(--mono);margin-bottom:16px;display:flex;align-items:center;justify-content:space-between}

/* Cat list */
.cat-row{display:flex;align-items:center;gap:10px;padding:7px 0;
  border-bottom:1px solid var(--border);cursor:pointer;transition:opacity .15s}
.cat-row:last-child{border:none}
.cat-row:hover{opacity:.8}
.cat-name{flex:1;font-size:13px}
.cat-bar-wrap{width:60px;height:3px;background:var(--border);border-radius:2px}
.cat-bar{height:3px;border-radius:2px;background:var(--accent);transition:width .4s}
.cat-budget{font-size:10px;font-family:var(--mono);color:var(--muted);min-width:32px;text-align:right}
.cat-budget.over{color:var(--red)}
.cat-amt{font-family:var(--mono);font-size:12px;min-width:64px;text-align:right}

/* Budget bar */
.budget-bar-wrap{width:60px;height:3px;background:var(--border);border-radius:2px;overflow:hidden}
.budget-bar{height:3px;border-radius:2px;transition:width .4s}

/* Chart */
.chart-wrap{position:relative;height:200px}

/* Transactions */
.txn-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.txn-title{font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;
  font-family:var(--mono);flex:1}
.filter-row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
select,input[type=text],input[type=date],input[type=number]{
  background:var(--surface2);border:1px solid var(--border);color:var(--text);
  font-family:var(--sans);font-size:13px;padding:7px 11px;border-radius:8px;outline:none}
select:focus,input:focus{border-color:var(--accent)}

.txn-table{width:100%;border-collapse:collapse}
.txn-table th{font-size:10px;color:var(--muted);letter-spacing:1px;text-transform:uppercase;
  font-family:var(--mono);padding:0 10px 10px;text-align:left;white-space:nowrap}
.txn-table td{padding:10px;border-bottom:1px solid var(--border);font-size:13px;vertical-align:middle}
.txn-table tr:last-child td{border:none}
.txn-table tr:hover td{background:var(--surface2)}
.txn-table tr{cursor:pointer;transition:background .1s}
.txn-table tr.selected td{background:rgba(110,231,183,.08)}
.bulk-toolbar{display:flex;align-items:center;gap:8px;padding:8px 16px;background:var(--card);border-radius:8px;margin-bottom:8px}
.badge{display:inline-block;font-size:11px;font-family:var(--mono);padding:2px 8px;
  border-radius:20px;background:var(--surface2);color:var(--muted);white-space:nowrap}
.badge.income{background:rgba(110,231,183,.12);color:var(--accent)}
.badge.expense{background:rgba(248,113,113,.1);color:var(--red)}
.amt-income{font-family:var(--mono);color:var(--accent)}
.amt-expense{font-family:var(--mono);color:var(--red)}
.del-btn{background:none;border:none;color:var(--border);cursor:pointer;font-size:16px;
  padding:2px 5px;border-radius:4px;transition:all .15s;line-height:1}
.del-btn:hover{color:var(--red);background:rgba(248,113,113,.1)}

/* Buttons */
.btn{background:var(--accent);color:#0e0f11;border:none;font-family:var(--sans);
  font-weight:600;font-size:13px;padding:8px 16px;border-radius:8px;cursor:pointer;transition:all .15s}
.btn:hover{opacity:.85}
.btn-ghost{background:var(--surface2);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-red{background:rgba(248,113,113,.15);color:var(--red);border:1px solid rgba(248,113,113,.3)}
.btn-red:hover{background:rgba(248,113,113,.25)}
.btn-icon{background:none;border:none;cursor:pointer;color:var(--muted);font-size:16px;
  padding:4px 6px;border-radius:6px;transition:all .15s}
.btn-icon:hover{color:var(--text);background:var(--surface2)}

/* Modal */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.65);display:none;
  align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(4px)}
.modal-backdrop.open{display:flex}
.modal{background:var(--surface);border:1px solid var(--border);border-radius:18px;
  padding:26px 30px;width:480px;max-width:95vw;max-height:90vh;overflow-y:auto}
.modal-title{font-size:15px;font-weight:600;margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group.full{grid-column:1/-1}
label{font-size:10px;color:var(--muted);letter-spacing:.5px;text-transform:uppercase;font-family:var(--mono)}
.form-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:20px}

/* Import */
.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:36px 20px;
  text-align:center;cursor:pointer;transition:all .2s}
.drop-zone:hover,.drop-zone.drag{border-color:var(--accent);background:rgba(110,231,183,.04)}
.drop-zone p{color:var(--muted);font-size:13px;margin-top:6px}
.file-icon{font-size:26px;margin-bottom:4px}
.import-results{margin-top:16px;display:flex;flex-direction:column;gap:6px}
.result-row{background:var(--surface2);border-radius:8px;padding:10px 14px;
  display:flex;align-items:center;gap:10px;font-size:13px}
.result-bank{font-family:var(--mono);font-size:10px;color:var(--muted)}

/* Search banner */
.search-banner{padding:6px 0 12px;font-size:12px;color:var(--muted);font-family:var(--mono)}

/* Settings */
.settings-section{margin-bottom:28px}
.settings-title{font-size:12px;font-weight:600;margin-bottom:12px;color:var(--text)}
.settings-row{display:flex;align-items:center;justify-content:space-between;
  padding:10px 0;border-bottom:1px solid var(--border)}
.settings-row:last-child{border:none}
.settings-label{font-size:13px}
.settings-sub{font-size:11px;color:var(--muted);margin-top:2px}
.tag{display:inline-flex;align-items:center;gap:5px;background:var(--surface2);
  border:1px solid var(--border);border-radius:20px;padding:3px 10px;font-size:12px;
  font-family:var(--mono);margin:2px}
.tag .x{cursor:pointer;color:var(--muted);font-size:14px;line-height:1}
.tag .x:hover{color:var(--red)}

/* Year view */
.year-bar-row{display:flex;align-items:center;gap:10px;padding:6px 0;border-bottom:1px solid var(--border)}
.year-bar-row:last-child{border:none}
.year-month{font-family:var(--mono);font-size:11px;color:var(--muted);width:60px;flex-shrink:0}
.year-bar-wrap{flex:1;display:flex;flex-direction:column;gap:3px}
.year-bar{height:6px;border-radius:3px;transition:width .4s;min-width:2px}
.year-bar.income{background:var(--accent)}
.year-bar.expense{background:var(--red)}
.year-amounts{display:flex;gap:12px;font-family:var(--mono);font-size:11px}

/* Toast */
.toast{position:fixed;bottom:20px;right:20px;background:var(--surface2);
  border:1px solid var(--border);border-radius:10px;padding:10px 18px;font-size:13px;
  transform:translateY(80px);opacity:0;transition:all .3s;z-index:300;max-width:320px}
.toast.show{transform:translateY(0);opacity:1}
.toast.success{border-color:var(--accent);color:var(--accent)}
.toast.error{border-color:var(--red);color:var(--red)}

/* Demo banner */
.demo-banner{background:linear-gradient(135deg,#c0392b,#e74c3c);color:#fff;padding:10px 20px;
  font-size:13px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-radius:var(--radius);margin-bottom:20px;font-family:var(--sans)}
.demo-banner a{color:#fff;text-decoration:underline;font-weight:600}
.demo-banner a:hover{opacity:.85}
.demo-reset-btn{background:rgba(255,255,255,.2);color:#fff;border:1px solid rgba(255,255,255,.4);
  padding:5px 14px;border-radius:6px;font-size:12px;cursor:pointer;font-family:var(--sans);
  white-space:nowrap;transition:background .15s}
.demo-reset-btn:hover{background:rgba(255,255,255,.35)}
.demo-disabled{opacity:.45;pointer-events:none}

/* Sections */
.section{display:none}
.section.active{display:block}
.empty{color:var(--muted);font-size:13px;text-align:center;padding:36px 0;font-family:var(--mono)}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 20px;text-align:center;gap:12px}
.empty-state-icon{font-size:64px}
.empty-state h2{margin:0;font-size:22px;font-weight:600;color:var(--fg)}
.empty-state p{margin:0;color:var(--muted);font-size:14px;max-width:320px}
.btn-primary{background:var(--accent);color:#fff;border:none;padding:10px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;font-family:var(--sans);margin-top:8px}
.btn-primary:hover{filter:brightness(1.1)}

/* Toggle switch */
.toggle{position:relative;width:40px;height:22px}
.toggle input{opacity:0;width:0;height:0}
.toggle-slider{position:absolute;inset:0;background:var(--border);border-radius:22px;cursor:pointer;transition:.3s}
.toggle-slider:before{content:'';position:absolute;width:16px;height:16px;left:3px;bottom:3px;
  background:#fff;border-radius:50%;transition:.3s}
.toggle input:checked + .toggle-slider{background:var(--accent)}
.toggle input:checked + .toggle-slider:before{transform:translateX(18px)}

/* Rule badges */
.rule-action-badge{display:inline-block;font-size:10px;font-family:var(--mono);padding:2px 8px;
  border-radius:12px;text-transform:uppercase;letter-spacing:.5px}
.rule-action-badge.hide{background:rgba(248,113,113,.12);color:var(--red)}
.rule-action-badge.label{background:rgba(96,165,250,.12);color:var(--blue)}
.rule-action-badge.pass{background:rgba(110,231,183,.12);color:var(--accent)}
.rule-conditions-summary{font-size:11px;color:var(--muted);margin-top:2px;font-family:var(--mono)}
.rule-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.rule-row:last-child{border:none}
.rule-row .rule-info{flex:1}
.rule-row .rule-name{font-size:13px;font-weight:500}
.condition-row{display:flex;gap:8px;align-items:center;margin-bottom:8px;flex-wrap:wrap}
.condition-row select,.condition-row input{font-size:12px;padding:5px 8px}
.hidden-badge{display:inline-flex;align-items:center;gap:4px;font-size:10px;font-family:var(--mono);
  background:rgba(248,113,113,.1);color:var(--red);padding:2px 8px;border-radius:10px;margin-left:8px}

/* Mobile hamburger button */
.mobile-menu-btn{display:none;background:none;border:none;color:var(--text);cursor:pointer;
  padding:8px;border-radius:8px;transition:background .15s;flex-shrink:0;z-index:201}
.mobile-menu-btn:hover{background:var(--surface2)}
.mobile-menu-btn svg{display:block}

/* Mobile top bar */
.mobile-topbar{display:none;align-items:center;gap:10px;padding:12px 16px;
  background:var(--surface);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100}
.mobile-topbar .logo{margin-bottom:0;padding-bottom:0;border-bottom:none;flex:1}

/* Sidebar overlay */
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:149;
  backdrop-filter:blur(2px)}
.sidebar-overlay.open{display:block}

/* Responsive */
@media(max-width:900px){
  .cards{grid-template-columns:1fr 1fr}
  .grid2{grid-template-columns:1fr}
}
@media(max-width:768px){
  /* Shell becomes column layout */
  .shell{flex-direction:column}

  /* Mobile top bar visible */
  .mobile-topbar{display:flex}
  .mobile-menu-btn{display:block}

  /* Sidebar becomes slide-over drawer */
  .sidebar{position:fixed;left:0;top:0;z-index:150;
    transform:translateX(-100%);transition:transform .25s ease;
    box-shadow:4px 0 24px rgba(0,0,0,.3);width:260px}
  .sidebar.open{transform:translateX(0)}

  /* Main content adjustments */
  .main{padding:16px;max-width:100%}

  /* Cards responsive */
  .cards{grid-template-columns:1fr 1fr}

  /* Transaction filter row */
  .filter-row{flex-direction:column;align-items:stretch;width:100%}
  .filter-row select,.filter-row input[type=text]{width:100%}
  .txn-header{flex-direction:column;align-items:stretch}

  /* Table scrollable */
  .txn-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}

  /* Month label */
  .month-label{font-size:15px}

  /* Form grid single column on mobile */
  .form-grid{grid-template-columns:1fr}

  /* Modal full-width on mobile */
  .modal{width:100% !important;max-width:100vw !important;border-radius:14px 14px 0 0;
    max-height:85vh;padding:20px 18px}
  .modal-backdrop.open{align-items:flex-end}

  /* Year review cards */
  #year-cards{grid-template-columns:1fr !important}

  /* Year bar layout */
  .year-bar-row{flex-direction:column;align-items:flex-start;gap:4px}
  .year-month{width:auto}
  .year-amounts{font-size:10px;flex-wrap:wrap}

  /* Settings adjustments */
  .settings-section .form-grid{grid-template-columns:1fr}
  #sec-settings > div{max-width:100% !important}

  /* Demo banner */
  .demo-banner{flex-direction:column;text-align:center;gap:8px;font-size:12px}

  /* Better touch targets */
  .nav-btn{padding:12px 14px;font-size:14px}
  .btn,.btn-sm{min-height:40px;font-size:13px}
  select,input[type=text],input[type=date],input[type=number]{
    min-height:40px;font-size:14px}

  /* Bulk toolbar */
  .bulk-toolbar{flex-wrap:wrap}

  /* Condition rows in rule modal */
  .condition-row{flex-direction:column;align-items:stretch}
  .condition-row select,.condition-row input{width:100%}

  /* Drop zone */
  .drop-zone{padding:24px 16px}

  /* Import panel full width */
  #sec-import .panel{max-width:100% !important}
}
@media(max-width:480px){
  .cards{grid-template-columns:1fr}
  .card-value{font-size:18px}
  .main{padding:12px}
  .month-label{font-size:14px}

  /* Stack form actions vertically */
  .form-actions{flex-direction:column}
  .form-actions .btn,.form-actions .btn-ghost{width:100%}

  /* Smaller panel padding */
  .panel{padding:14px 16px}
}