:root{
  --bg:#0b0f14;
  --panel:#101825;
  --card:#121c2b;
  --soft:#0f1622;
  --text:#e6eefc;
  --muted:#9db0cf;
  --border:rgba(255,255,255,.08);
  --accent:#37d67a;
  --danger:#ff4d4d;
}

*{box-sizing:border-box}
body{
  margin:0; font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:radial-gradient(1200px 600px at 20% -10%, rgba(55,214,122,.18), transparent 60%),
             radial-gradient(900px 500px at 90% 10%, rgba(120,90,255,.16), transparent 55%),
             var(--bg);
  color:var(--text);
}

.header{
  display:flex; gap:16px; justify-content:space-between; align-items:center;
  padding:18px 18px 10px; border-bottom:1px solid var(--border);
}
.brand{display:flex; gap:12px; align-items:center}
.logo{
  width:44px; height:44px; border-radius:12px;
  background:linear-gradient(135deg, rgba(55,214,122,.25), rgba(120,90,255,.25));
  border:1px solid var(--border);
  display:grid; place-items:center; font-weight:800;
}
h1{margin:0; font-size:18px}
.muted{color:var(--muted)}
.small{font-size:12px}

.actions{display:flex; gap:10px; flex-wrap:wrap}
.btn{
  background:var(--accent); color:#05140a; border:0;
  padding:10px 12px; border-radius:12px; font-weight:700;
  cursor:pointer;
}
.btn.ghost{
  background:transparent; color:var(--text);
  border:1px solid var(--border);
}
.btn.danger{
  background:transparent; color:var(--danger);
  border:1px solid rgba(255,77,77,.35);
}
.btn:hover{transform:translateY(-1px)}
.file{position:relative; overflow:hidden}

.tabs{
  display:flex; gap:8px; padding:10px 18px; position:sticky; top:0;
  background:rgba(11,15,20,.8); backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border); z-index:10; overflow:auto;
}
.tab{
  background:transparent; color:var(--muted);
  border:1px solid var(--border);
  padding:10px 12px; border-radius:999px; cursor:pointer;
  white-space:nowrap;
}
.tab.active{color:var(--text); border-color:rgba(55,214,122,.35);}

.container{padding:18px; max-width:1100px; margin:0 auto}
.panel{display:none}
.panel.active{display:block}

.grid{display:grid; gap:12px}
.kpis{grid-template-columns: repeat(3, minmax(0, 1fr));}
.two{grid-template-columns: repeat(2, minmax(0, 1fr));}
.three{grid-template-columns: repeat(3, minmax(0, 1fr));}

.charts{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.charts .wide{ grid-column: span 2; }

@media (max-width: 860px){
  .charts{ grid-template-columns: 1fr; }
  .charts .wide{ grid-column: span 1; }
}


.card{
  background:linear-gradient(180deg, rgba(255,255,255,.03), transparent 55%), var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.card.soft{background:var(--soft)}
.card.wide{grid-column: span 3;}
.label{font-size:12px; color:var(--muted); margin-bottom:6px}
.value{font-size:22px; font-weight:800}
.value.big{font-size:34px}
.h2{margin:0 0 10px; font-size:16px}
.h3{margin:0; font-size:14px}

.row{display:flex; justify-content:space-between; align-items:center; gap:10px}
.pill{
  font-size:12px; padding:6px 10px; border-radius:999px;
  border:1px solid var(--border); color:var(--muted);
}

.form{
  display:grid;
  gap:10px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 860px){
  .form{
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px){
  .form{
    grid-template-columns: 1fr;
  }

  .form button{
    width: 100%;
  }
}


.tableWrap{overflow:auto}
.table{width:100%; border-collapse:collapse}
.table th, .table td{
  padding:10px; border-bottom:1px solid var(--border);
  text-align:left; font-size:14px;
}
.table th{color:var(--muted); font-weight:700}
.right{text-align:right}
.del{
  background:transparent; border:1px solid var(--border);
  color:var(--muted); padding:6px 10px; border-radius:10px; cursor:pointer;
}
.del:hover{border-color:rgba(255,77,77,.35); color:var(--danger)}
.summary{display:flex; gap:16px; flex-wrap:wrap}

/* Tables on mobile */
@media (max-width: 640px){
  .table th, .table td{
    padding: 8px;
    font-size: 13px;
  }

  .tableWrap{
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .del{
    padding: 6px 8px;
    font-size: 12px;
  }
}


@media (max-width: 640px){
  .tabs{
    position: fixed;
    bottom: 0;
    top: auto;
    width: 100%;
    background: rgba(11,15,20,0.95);
    border-top: 1px solid var(--border);
    border-bottom: none;
    z-index: 20;
  }

  .container{
    padding-bottom: 90px; /* space for tabs */
  }
}


@media (max-width: 860px){
  .kpis{grid-template-columns: repeat(2, minmax(0,1fr));}
  .card.wide{grid-column: span 2;}
  .form{grid-template-columns: 1fr 1fr;}
}
@media (max-width: 520px){
  .kpis{grid-template-columns: 1fr;}
  .card.wide{grid-column: span 1;}
  .form{grid-template-columns: 1fr;}
  .actions{gap:8px}
}

.monthControls{
  display:flex;
  align-items:center;
  gap:10px;
}
.monthControls .pill{
  min-width: 140px;
  text-align:center;
}


/* ===== MOBILE OPTIMIZATION ===== */
@media (max-width: 640px){

  /* Header */
  .header{
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .actions{
    width: 100%;
    justify-content: space-between;
  }

  /* Tabs */
  .tabs{
    padding: 10px;
  }

  .tab{
    padding: 8px 12px;
    font-size: 13px;
  }

  /* KPI grid */
  .kpis{
    grid-template-columns: 1fr;
  }

  .card.wide{
    grid-column: span 1;
  }

  .value.big{
    font-size: 28px;
  }

  /* Charts */
  .charts{
    grid-template-columns: 1fr;
  }

  canvas{
    max-height: 220px;
  }
}



/* ===== SUBSCRIBER MODAL ===== */
.modalOverlay{
  position: fixed;
  inset: 0;
  display: none;
  place-items: center;
  padding: 18px;
  background: rgba(0,0,0,.65);
  backdrop-filter: blur(8px);
  z-index: 999;
}

.modalOverlay.show{ display: grid; }

.modalCard{
  width: min(520px, 100%);
  background: linear-gradient(180deg, rgba(255,255,255,.04), transparent 60%), var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.55);
}

.modalTop{
  display:flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.modalTitle{ margin:0; font-size: 18px; }
.modalDesc{ margin:6px 0 0; color: var(--muted); font-size: 13px; }

.iconBtn{
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
  width: 38px;
  height: 38px;
  cursor: pointer;
}
.iconBtn:hover{ transform: translateY(-1px); }

.modalBody{ margin-top: 14px; display:grid; gap: 12px; }

.modalPerks{
  display:grid; gap: 8px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--soft);
}
.perk{ font-size: 13px; color: var(--text); }

.modalForm{ display:grid; gap: 10px; }

.input{
  width: 100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.03);
  color: var(--text);
  outline: none;
}
.input:focus{ border-color: rgba(55,214,122,.35); }

.checkRow{
  display:flex;
  gap: 10px;
  align-items: center;
  user-select: none;
}

.modalFooter{
  display:flex;
  justify-content: flex-end;
  gap: 10px;
}