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

:root{
  --bg:#0a0c10;--bg2:#12151b;--bg3:#171b22;--bg4:#1e232c;--bg5:#272d38;
  --border:rgba(255,255,255,.08);--border2:rgba(255,255,255,.14);
  --text:#f4f6f8;--text2:#a3adba;--text3:#6b7280;--muted:#4b5563;
  --accent:#10b981;--accent-bg:rgba(16,185,129,.12);--accent-border:rgba(16,185,129,.3);
  --income:#10b981;--expense:#f0645a;--warn:#f5a623;
  --radius:14px;
}

body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.4}
button,input,select,textarea{font-family:inherit;font-size:14px;color:var(--text)}
button{cursor:pointer}
h1,h2{font-weight:700;letter-spacing:-.01em}
a{color:var(--accent)}

/* ── Buttons ─────────────────────────────────────────────── */
.btn{padding:9px 16px;border-radius:10px;border:1px solid var(--border2);background:var(--bg4);color:var(--text);font-weight:600;transition:background .15s,border-color .15s}
.btn:hover{background:var(--bg5)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#04140d}
.btn.primary:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;border-color:transparent}
.btn.ghost:hover{background:var(--bg3)}
.btn.outline{background:transparent}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.block{width:100%}
.btn.danger-outline{color:var(--expense);border-color:rgba(240,101,90,.4)}
.btn.danger-outline:hover{background:rgba(240,101,90,.08)}
.icon-btn{background:transparent;border:none;color:var(--text2);font-size:16px;padding:4px 8px;border-radius:8px}
.icon-btn:hover{background:var(--bg4);color:var(--text)}

/* ── Form ────────────────────────────────────────────────── */
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12px;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:.4px;margin-bottom:6px}
.form-input{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border2);background:var(--bg3);color:var(--text)}
.form-input:focus{outline:none;border-color:var(--accent)}
.hint{font-size:13px;color:var(--text3);margin-bottom:10px;line-height:1.5}
.divider{border:none;border-top:1px solid var(--border);margin:16px 0}

/* ── Login page ──────────────────────────────────────────── */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{width:100%;max-width:360px;background:var(--bg2);border:1px solid var(--border);border-radius:20px;padding:36px 28px;text-align:center}
.login-logo{font-size:38px;margin-bottom:8px}
.login-card h1{font-size:22px;margin-bottom:4px}
.login-sub{color:var(--text3);font-size:13px;margin-bottom:24px}
.login-card .form-group{text-align:left}
.login-error{background:rgba(240,101,90,.1);border:1px solid rgba(240,101,90,.3);color:var(--expense);padding:10px 12px;border-radius:10px;font-size:13px;margin-bottom:16px}

/* ── Top bar ─────────────────────────────────────────────── */
.topbar{display:flex;align-items:center;gap:24px;padding:14px 24px;border-bottom:1px solid var(--border);background:var(--bg2);position:sticky;top:0;z-index:50;flex-wrap:wrap}
.topbar-brand{font-weight:800;font-size:17px;display:flex;align-items:center;gap:8px;flex-shrink:0}
.topbar-nav{display:flex;gap:4px;flex:1;overflow-x:auto}
.nav-tab{background:transparent;border:none;color:var(--text2);font-weight:600;padding:9px 14px;border-radius:10px;white-space:nowrap}
.nav-tab:hover{background:var(--bg3);color:var(--text)}
.nav-tab.active{background:var(--accent-bg);color:var(--accent)}
.topbar-user{display:flex;align-items:center;gap:12px;flex-shrink:0;margin-left:auto}
.user-name{font-size:13px;color:var(--text2);font-weight:600}

/* ── Layout ──────────────────────────────────────────────── */
.app-main{max-width:1180px;margin:0 auto;padding:24px 20px 60px}
.view{display:none}
.view.active{display:block}
.view-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap}
.view-header h1{font-size:22px}

.range-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.range-picker{display:flex;gap:6px;background:var(--bg3);padding:4px;border-radius:10px}
.range-btn{background:transparent;border:none;color:var(--text2);font-size:12px;font-weight:700;padding:6px 12px;border-radius:8px}
.range-btn.active{background:var(--accent);color:#04140d}
.range-month{width:auto;padding:8px 10px}
.custom-range-row{display:flex;align-items:center;gap:8px;margin:-8px 0 20px;flex-wrap:wrap}
.custom-range-row .form-input{width:auto}
.custom-range-row span{color:var(--text3);font-size:13px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin-bottom:20px}
.stat-tile{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.stat-label{font-size:12px;color:var(--text3);text-transform:uppercase;letter-spacing:.5px;font-weight:700;margin-bottom:8px}
.stat-value{font-size:26px;font-weight:800;letter-spacing:-.02em}
.stat-tile.accent-income .stat-value{color:var(--income)}
.stat-tile.accent-expense .stat-value{color:var(--expense)}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:14px;margin-bottom:14px}
.card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.card h2{font-size:14px;text-transform:uppercase;letter-spacing:.4px;color:var(--text2);margin-bottom:14px}
.chart-wrap{width:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chart-wrap::-webkit-scrollbar{display:none}

.table-wrap{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:13px;min-width:480px}
.data-table th{text-align:left;color:var(--text3);font-weight:700;text-transform:uppercase;font-size:11px;letter-spacing:.4px;padding:8px 10px;border-bottom:1px solid var(--border2)}
.data-table td{padding:10px;border-bottom:1px solid var(--border)}
.data-table tr:last-child td{border-bottom:none}
.data-table .num{text-align:right;font-variant-numeric:tabular-nums}
.data-table .row-actions{display:flex;gap:6px;justify-content:flex-end}
.badge{display:inline-block;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700}
.badge.income{background:var(--accent-bg);color:var(--income)}
.badge.expense{background:rgba(240,101,90,.12);color:var(--expense)}

.company-row,.category-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border)}
.company-row:last-child,.category-row:last-child{border-bottom:none}
.company-row .name,.category-row .name{flex:1;font-weight:600;font-size:14px}
.company-row input{width:80px}
.add-category-row{display:flex;gap:8px;margin-top:12px}
.add-category-row .form-input{flex:1}

.empty-state{color:var(--text3);font-size:13px;text-align:center;padding:24px 0}

/* ── Modal ───────────────────────────────────────────────── */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:200;align-items:center;justify-content:center;padding:16px}
.modal-overlay.open{display:flex}
.modal{width:100%;max-width:420px;background:var(--bg2);border:1px solid var(--border2);border-radius:16px;overflow:hidden}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.modal-title{font-weight:700;font-size:15px}
.modal-body{padding:20px}
.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--border)}

/* ── Toast ───────────────────────────────────────────────── */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--bg5);border:1px solid var(--border2);color:var(--text);padding:11px 18px;border-radius:12px;font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:300}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 720px){
  .topbar{padding:12px 14px;gap:12px}
  .topbar-brand span{display:none}
  .topbar-user .user-name{display:none}
  .app-main{padding:16px 12px 40px}
  .view-header{flex-direction:column;align-items:flex-start}
  .stat-value{font-size:21px}
  .modal{max-width:100%}
}