:root{
  --bg: #070b12;
  --panel: #0b1320;
  --card: #111b2b;
  --card-strong: #142138;
  --text:#e6edf3;
  --muted:#8fa2b6;
  --border: rgba(255,255,255,.11);
  --shadow: 0 20px 45px rgba(1,8,18,.55);
  --accent:#5aa9ff;
  --accent-2:#39d0ff;
  --good:#2ecc71;
  --bad:#ff6b7a;
  --warn:#ffb020;
  --r: 16px;
  --r2: 22px;
  --ease: 220ms cubic-bezier(.2,.8,.2,1);
}

*{
  box-sizing:border-box;
}

html,body{
  min-height:100%;
}

body{
  margin:0;
  color:var(--text);
  font: 14px/1.45 "Manrope","IBM Plex Sans","Segoe UI",Tahoma,sans-serif;
  letter-spacing:.01em;
  background:
    radial-gradient(980px 540px at 12% -8%, rgba(90,169,255,.24), transparent 62%),
    radial-gradient(720px 520px at 88% 3%, rgba(57,208,255,.16), transparent 64%),
    radial-gradient(760px 460px at 78% 92%, rgba(255,176,32,.11), transparent 56%),
    linear-gradient(180deg, #060a11 0%, #080f19 100%);
  background-attachment: fixed;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size: 34px 34px;
  mask-image: radial-gradient(ellipse at 50% 35%, #000 35%, transparent 85%);
  opacity:.35;
}

a{
  color:var(--accent);
  text-decoration:none;
  transition:color var(--ease), opacity var(--ease);
}

a:hover{
  color:#9ccfff;
  text-decoration:none;
}

h1,h2,h3,h4{
  margin:0 0 10px;
  line-height:1.25;
  letter-spacing:.01em;
}

h2{
  font-size:20px;
}

h3{
  font-size:17px;
}

p{
  margin:0 0 10px;
}

small{
  color:var(--muted);
}

hr{
  border:none;
  border-top:1px solid var(--border);
  margin:14px 0;
}

code{
  padding:1px 6px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  font-family:"Cascadia Code","Fira Code",Consolas,monospace;
  font-size:12px;
}

.container{
  display:grid;
  grid-template-columns: 290px 1fr;
  min-height:100vh;
}

.sidebar{
  position:sticky;
  top:0;
  height:100vh;
  padding:20px 16px 18px;
  border-right:1px solid var(--border);
  background:
    linear-gradient(165deg, rgba(255,255,255,.06), transparent 45%),
    linear-gradient(180deg, rgba(10,19,31,.88), rgba(8,14,24,.95));
  backdrop-filter: blur(8px);
  overflow:auto;
}

.sidebar::-webkit-scrollbar{
  width:8px;
}

.sidebar::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.16);
  border-radius:999px;
}

.sidebar .brand{
  display:block;
  margin-bottom:12px;
  padding:12px 14px;
  border:1px solid rgba(90,169,255,.24);
  border-radius:14px;
  background:
    linear-gradient(145deg, rgba(90,169,255,.18), rgba(90,169,255,.05)),
    rgba(255,255,255,.02);
  color:#eaf4ff;
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}

.sidebar .brand:hover{
  color:#fff;
}

.sidebar nav{
  display:grid;
  gap:7px;
  margin-top:8px;
}

.sidebar nav a{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:40px;
  padding:9px 11px 9px 13px;
  color:var(--muted);
  border:1px solid transparent;
  border-radius:12px;
  transition:
    border-color var(--ease),
    color var(--ease),
    background var(--ease),
    transform var(--ease);
}

.sidebar nav a::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:999px;
  background:rgba(255,255,255,.24);
  box-shadow: 0 0 0 4px rgba(255,255,255,.03);
}

.sidebar nav a:hover{
  color:#dbe9f8;
  border-color:rgba(255,255,255,.12);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  transform:translateX(2px);
}

.sidebar nav a.active{
  color:#fff;
  border-color:rgba(90,169,255,.34);
  background:
    linear-gradient(95deg, rgba(90,169,255,.26), rgba(57,208,255,.11)),
    rgba(255,255,255,.03);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.12);
}

.sidebar nav a.active::before{
  background:#7dc8ff;
  box-shadow: 0 0 0 5px rgba(90,169,255,.18);
}

.main{
  padding:20px 22px 62px;
}

.topbar{
  position:sticky;
  top:10px;
  z-index:15;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
  padding:12px 14px;
  border-radius:16px;
  border:1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.02)),
    rgba(11,19,31,.86);
  backdrop-filter: blur(8px);
  box-shadow: 0 14px 32px rgba(0,0,0,.28);
}

.topbar h1{
  margin:0;
  font-size:24px;
  font-weight:800;
  letter-spacing:.02em;
  color:#f2f7ff;
}

.topbar .search{
  min-width:300px;
}

.grid{
  display:grid;
  gap:14px;
}

.grid.cols-2{
  grid-template-columns:repeat(2,minmax(0,1fr));
}

.grid.cols-3{
  grid-template-columns:repeat(3,minmax(0,1fr));
}

.grid.cols-4{
  grid-template-columns:repeat(4,minmax(0,1fr));
}

.card{
  position:relative;
  padding:15px;
  border-radius:var(--r2);
  border:1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), transparent 40%),
    linear-gradient(155deg, rgba(255,255,255,.03), rgba(255,255,255,.01)),
    var(--card);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.card::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  pointer-events:none;
  border:1px solid rgba(255,255,255,.05);
  mask: linear-gradient(#000,#000) content-box, linear-gradient(#000,#000);
  opacity:.65;
}

.card h3{
  margin-top:0;
  margin-bottom:12px;
}

.kpi{
  padding:16px;
}

.kpi .label{
  margin-bottom:8px;
  font-size:12px;
  text-transform:uppercase;
  letter-spacing:.08em;
  color:var(--muted);
}

.kpi .value{
  font-size:26px;
  font-weight:800;
  letter-spacing:.01em;
}

.kpi .value.good,
.good{
  color:var(--good);
}

.kpi .value.bad,
.bad{
  color:var(--bad);
}

.kpi .value.warn,
.warn{
  color:var(--warn);
}

.muted{
  color:var(--muted);
}

.row{
  display:flex;
  align-items:flex-end;
  flex-wrap:wrap;
  gap:10px;
}

.row > *{
  flex:1;
  min-width:160px;
}

form{
  display:grid;
  gap:10px;
}

label{
  display:block;
  margin-bottom:2px;
  color:var(--muted);
  font-size:12px;
  letter-spacing:.03em;
}

input,
select,
textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius:12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02)),
    rgba(12,19,31,.82);
  color:var(--text);
  padding:10px 12px;
  outline:none;
  transition:border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

input::placeholder,
textarea::placeholder{
  color:#89a0b7;
}

input:focus,
select:focus,
textarea:focus{
  border-color:rgba(90,169,255,.62);
  box-shadow:
    0 0 0 3px rgba(90,169,255,.18),
    0 10px 25px rgba(20,72,129,.2);
}

input[type="checkbox"]{
  width:16px;
  height:16px;
  padding:0;
  border-radius:5px;
  accent-color:#6eb8ff;
}

textarea{
  min-height:96px;
  resize:vertical;
}

.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  min-height:40px;
  padding:9px 14px;
  border-radius:13px;
  border:1px solid var(--border);
  color:#e9f2ff;
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)),
    rgba(255,255,255,.02);
  text-decoration:none;
  font-weight:600;
  cursor:pointer;
  transition:
    transform var(--ease),
    border-color var(--ease),
    box-shadow var(--ease),
    background var(--ease);
}

.btn:hover{
  transform:translateY(-1px);
  border-color:rgba(255,255,255,.24);
  box-shadow: 0 8px 20px rgba(0,0,0,.22);
}

.btn:active{
  transform:translateY(0);
}

.btn.primary{
  border-color:rgba(90,169,255,.45);
  background:
    linear-gradient(180deg, rgba(90,169,255,.34), rgba(90,169,255,.14)),
    rgba(255,255,255,.03);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.22);
}

.btn.primary:hover{
  border-color:rgba(124,194,255,.68);
  box-shadow:
    0 10px 26px rgba(52,126,199,.26),
    inset 0 1px 0 rgba(255,255,255,.28);
}

.btn.danger{
  border-color:rgba(255,107,122,.52);
  color:#ffe2e6;
  background:
    linear-gradient(180deg, rgba(255,107,122,.26), rgba(255,107,122,.08)),
    rgba(255,255,255,.02);
}

.btn.danger:hover{
  border-color:rgba(255,133,148,.72);
  box-shadow: 0 10px 24px rgba(161,35,56,.25);
}

.alert{
  padding:11px 12px;
  margin-bottom:12px;
  border-radius:12px;
  border:1px solid var(--border);
}

.alert.success{
  color:#d2ffe4;
  background:linear-gradient(180deg, rgba(46,204,113,.25), rgba(46,204,113,.1));
  border-color:rgba(46,204,113,.5);
}

.alert.error{
  color:#ffe3e7;
  background:linear-gradient(180deg, rgba(255,107,122,.28), rgba(255,107,122,.1));
  border-color:rgba(255,107,122,.5);
}

.alert.warning{
  color:#ffe8c4;
  background:linear-gradient(180deg, rgba(255,176,32,.28), rgba(255,176,32,.1));
  border-color:rgba(255,176,32,.5);
}

.table-wrap{
  overflow:auto;
  border-radius:16px;
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
}

.table-wrap::-webkit-scrollbar{
  height:9px;
  width:9px;
}

.table-wrap::-webkit-scrollbar-thumb{
  background:rgba(255,255,255,.18);
  border-radius:999px;
}

table{
  width:100%;
  border-collapse:collapse;
}

th,td{
  padding:10px 14px;
  border-bottom:1px solid var(--border);
  vertical-align:top;
}

th{
  position:sticky;
  top:0;
  z-index:2;
  background:
    linear-gradient(180deg, rgba(90,169,255,.1), rgba(17,27,43,.95));
  color:#9eb1c6;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:uppercase;
  white-space:nowrap;
}

tbody tr{
  transition:background var(--ease);
}

tbody tr:hover{
  background:rgba(255,255,255,.05);
}

tbody tr:last-child td{
  border-bottom:none;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  border-radius:999px;
  border:1px solid var(--border);
  font-size:11px;
  line-height:1.2;
  letter-spacing:.03em;
  color:#c4d3e3;
  background:rgba(255,255,255,.04);
}

.badge.good{
  color:#91f4bc;
  border-color:rgba(46,204,113,.48);
  background:rgba(46,204,113,.12);
}

.badge.bad{
  color:#ffc1c9;
  border-color:rgba(255,107,122,.5);
  background:rgba(255,107,122,.12);
}

.badge.warn{
  color:#ffd89a;
  border-color:rgba(255,176,32,.56);
  background:rgba(255,176,32,.12);
}

.progress{
  width:100%;
  height:8px;
  border-radius:999px;
  overflow:hidden;
  background:rgba(255,255,255,.08);
}

.progress > span{
  display:block;
  height:100%;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius:inherit;
}

.progress.warn > span{
  background:linear-gradient(90deg, var(--warn), #ffd892);
}

.progress.bad > span{
  background:linear-gradient(90deg, var(--bad), #ff9ca7);
}

.login-page{
  min-height:100vh;
  padding:20px;
  display:grid;
  place-items:center;
}

.login-card{
  width:min(440px, 96vw);
  padding:18px;
  border-radius:24px;
}

.login-card h1{
  margin-bottom:8px;
}

.chart-card{
  padding:16px;
}

.chart-legend{
  display:flex;
  gap:16px;
  align-items:center;
  margin-bottom:10px;
  color:var(--muted);
  font-size:12px;
}

.chart-legend .swatch{
  display:inline-block;
  width:14px;
  height:4px;
  border-radius:999px;
  margin-right:6px;
  vertical-align:middle;
}

.chart-legend .swatch.income{
  background:#38d08f;
}

.chart-legend .swatch.expense{
  background:#ff6b7a;
}

.chart-wrap{
  width:100%;
  overflow:auto;
  border:1px solid var(--border);
  border-radius:16px;
  background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.01));
  padding:10px;
}

.chart-wrap svg{
  width:100%;
  min-width:720px;
  display:block;
}

.chart-grid{
  stroke:rgba(255,255,255,.09);
  stroke-width:1;
}

.chart-axis-label{
  fill:#91a5ba;
  font-size:11px;
}

.chart-axis-label.x{
  font-size:10px;
}

.chart-area-income{
  fill:rgba(56,208,143,.12);
}

.chart-line-income{
  fill:none;
  stroke:#38d08f;
  stroke-width:3;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.chart-line-expense{
  fill:none;
  stroke:#ff6b7a;
  stroke-width:3;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.chart-point-income{
  fill:#38d08f;
}

.chart-point-expense{
  fill:#ff6b7a;
}

main ul{
  margin:0;
  padding-left:18px;
}

main li{
  margin:6px 0;
}

/* Smooth entry */
.card,
.topbar{
  animation: fade-slide .35s ease both;
}

@keyframes fade-slide{
  from{
    opacity:0;
    transform:translateY(4px);
  }
  to{
    opacity:1;
    transform:translateY(0);
  }
}

@media (max-width: 1220px){
  .grid.cols-4{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width: 1080px){
  .container{
    grid-template-columns:1fr;
  }

  .sidebar{
    position:relative;
    height:auto;
    max-height:none;
    border-right:none;
    border-bottom:1px solid var(--border);
  }

  .main{
    padding:14px 14px 44px;
  }

  .topbar{
    position:relative;
    top:0;
    flex-direction:column;
    align-items:flex-start;
  }

  .topbar .search{
    min-width:0;
    width:100%;
  }

  .grid.cols-4,
  .grid.cols-3,
  .grid.cols-2{
    grid-template-columns:1fr;
  }
}

@media (max-width: 680px){
  .card{
    padding:12px;
    border-radius:16px;
  }

  .topbar h1{
    font-size:20px;
  }

  th,td{
    padding:9px 10px;
  }

  .btn{
    min-height:38px;
    padding:8px 11px;
  }
}