:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --card2: rgba(255,255,255,.08);
  --text: #f2f5ff;
  --muted: rgba(242,245,255,.72);
  --border: rgba(255,255,255,.14);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

*{ box-sizing:border-box; }

html,body{ height:100%; }

body{
  margin:0;
  font-family: system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial,"Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(99,102,241,.35), transparent 60%),
    radial-gradient(900px 500px at 85% 30%, rgba(16,185,129,.25), transparent 55%),
    radial-gradient(800px 500px at 50% 90%, rgba(59,130,246,.18), transparent 55%),
    var(--bg);
}

a{ color: inherit; }

.container{
  max-width: 1180px;
  margin: 0 auto;
  padding: 22px 18px;
}

/* Header */
.dashboard-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin: 8px 0 18px;
}

h1{
  margin:0;
  font-size: 26px;
  letter-spacing:.2px;
}

.muted{ color: var(--muted); }
.small{ font-size: 12px; }
.dot{ margin: 0 8px; opacity:.8; }

/* Buttons */
.btn{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.08);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
  cursor:pointer;
  transition: transform .12s ease, background .12s ease;
  box-shadow: 0 8px 20px rgba(0,0,0,.18);
}
.btn:hover{ transform: translateY(-1px); background: rgba(255,255,255,.12); }
.btn:active{ transform: translateY(0px); }
.btn-ghost{ background: rgba(255,255,255,.06); }

/* Alerts */
.alert{
  background: rgba(239,68,68,.12);
  border: 1px solid rgba(239,68,68,.35);
  border-radius: 16px;
  padding: 12px 14px;
  margin: 0 0 16px;
}
.alert.ok{
  background: rgba(16,185,129,.10);
  border-color: rgba(16,185,129,.30);
}
.alert ul{ margin: 8px 0 0; padding: 0 18px; }

/* Grid */
.grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

@media (max-width: 1100px){
  .grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 820px){
  .grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px){
  .grid{ grid-template-columns: 1fr; }
}

/* KPI Card */
.kpi-card{
  background: linear-gradient(180deg, var(--card2), var(--card));
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 14px 14px;
  box-shadow: var(--shadow);
  min-height: 128px;
  position:relative;
  overflow:hidden;
}

.kpi-card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: radial-gradient(600px 120px at 30% 0%, rgba(255,255,255,.16), transparent 55%);
  pointer-events:none;
}

.kpi-top{
  position:relative;
  display:flex;
  align-items:stretch;
  justify-content:space-between;
  gap: 12px;
}

.kpi-title{
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
  line-height: 1.35;
}

.kpi-value{
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .3px;
}

.kpi-sub{
  margin-top: 6px;
  font-size: 12px;
  color: rgba(242,245,255,.78);
}

/* Vertical progress "column" */
.kpi-progress{
  width: 64px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:8px;
}

.kpi-progress-track{
  width: 16px;
  flex: 1;
  min-height: 78px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 999px;
  position:relative;
  overflow:hidden;
}

.kpi-progress-fill{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:0;
  background: linear-gradient(180deg, rgba(34,197,94,.95), rgba(59,130,246,.90));
  border-radius: 999px;
  transition: height .35s ease;
}

.kpi-progress-label{
  font-size: 12px;
  color: rgba(242,245,255,.75);
}

/* Login */
.login-card{
  max-width: 420px;
  margin: 60px auto;
  padding: 18px 18px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: linear-gradient(180deg, var(--card2), var(--card));
  box-shadow: var(--shadow);
}

.login-card h1{ font-size: 22px; margin-bottom: 6px; }

.field{ margin: 12px 0; }
.field label{ display:block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field input{
  width:100%;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.18);
  color: var(--text);
  outline: none;
}

.err{ color: rgba(239,68,68,.95); font-size: 12px; }
.err-summary{ margin-top: 10px; }

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11,18,32,.55);
  border-bottom: 1px solid rgba(255,255,255,.10);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 12px 18px;
}

.brand{
  font-weight: 800;
  letter-spacing: .5px;
}

.topbar-actions{ display:flex; align-items:center; gap:10px; }