:root{
  --bg1:#0f2027;
  --bg2:#2c5364;
  --card-bg: rgba(255,255,255,0.04);
  --glass: rgba(255,255,255,0.03);
  --accent1: #48C78E;
  --accent2: #4FB3D9;
  --muted: rgba(255,255,255,0.7);
  --radius: 12px;
  --glass-border: rgba(255,255,255,0.06);
  --card-padding: 18px;
  --max-width: 1200px;
  color-scheme: dark;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(160deg,var(--bg1), #08324a 40%, #0b3b2f 100%);
  color: #eaf7f2;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding-bottom:40px;
}

/* Header */
.app-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 24px;
  background: linear-gradient(90deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  border-bottom: 1px solid rgba(255,255,255,0.03);
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(6px);
}
.logo{display:flex;align-items:center;gap:12px}
.title .main{font-weight:700;font-size:18px}
.title .sub{font-size:12px;color:var(--muted)}
.header-actions{display:flex;gap:8px;align-items:center}

/* Buttons */
.btn{
  background:linear-gradient(90deg,var(--accent1),var(--accent2));
  color:#042426;
  border:0;
  padding:8px 12px;
  border-radius:10px;
  cursor:pointer;
  font-weight:600;
  transition:transform .12s ease, box-shadow .12s ease, opacity .12s;
  box-shadow: 0 6px 18px rgba(11,85,65,0.12);
}
.btn.ghost{
  background:transparent;color:var(--muted);box-shadow:none;border:1px solid rgba(255,255,255,0.03)
}
.btn.small{padding:6px 10px;font-size:13px}
.btn.primary{background:linear-gradient(90deg,#2ecc71,#34c3e0);color:#042426}
.btn:active{transform:translateY(1px)}
.btn:hover{opacity:0.95}

/* Layout */
.container{
  max-width:var(--max-width);
  margin:22px auto;
  display:grid;
  grid-template-columns: 1fr 420px;
  gap:18px;
  padding:0 18px;
}
.left-col, .right-col { display: flex; flex-direction: column; gap:18px; }

/* Cards */
.card{
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius: var(--radius);
  padding: var(--card-padding);
  box-shadow: 0 6px 30px rgba(3,9,23,0.36);
  border:1px solid var(--glass-border);
}
.card h3{margin:0 0 8px 0}
.card .muted{color:var(--muted);font-size:13px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.form-grid label{display:flex;flex-direction:column;font-size:13px}
.form-grid label.full{grid-column: 1 / -1}
.form-inline{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.form-inline input[type="date"], .form-inline input[type="number"]{padding:8px;border-radius:8px;border:1px solid rgba(255,255,255,0.04);background:transparent;color:inherit}

.form-actions{display:flex;justify-content:flex-end}
input, select, textarea{background:transparent;border:1px solid rgba(255,255,255,0.04);padding:8px;border-radius:8px;color:inherit}
textarea{resize:vertical}

/* Checklist */
.checklist{display:flex;flex-direction:column;gap:8px}
.checklist label{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px}

/* List */
.list{display:flex;flex-direction:column;gap:10px;max-height:360px;overflow:auto;padding-right:6px}
.log-item{
  display:flex;gap:10px;align-items:flex-start;background:linear-gradient(180deg, rgba(255,255,255,0.01), rgba(255,255,255,0.005));
  padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,0.02)
}
.thumbnail{width:72px;height:56px;flex:0 0 auto;border-radius:8px;background:#062a21;display:flex;align-items:center;justify-content:center;overflow:hidden}
.log-body{flex:1}
.log-body .meta{font-size:12px;color:var(--muted)}

/* Weather */
.weather{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 6px}
.weather .temp{font-size:26px;font-weight:700}
.tip{background:linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:10px;border-radius:8px;border:1px solid rgba(255,255,255,0.03)}

/* Charts & analytics */
#waterChartWrap, .chart-card{background:transparent;padding:8px}
.analytics-grid{display:flex;gap:12px}
.summary{flex:0 0 200px}
.small{font-size:12px}

/* Modal */
.modal{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg, rgba(1,2,3,0.4), rgba(1,2,3,0.6));backdrop-filter: blur(6px);padding:18px}
.modal.hidden{display:none}
.modal-panel{background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));padding:16px;border-radius:12px;width:100%;max-width:520px;border:1px solid rgba(255,255,255,0.04)}
.modal-panel header{display:flex;justify-content:space-between;align-items:center}
.modal-body{display:grid;gap:10px;margin-top:12px}
.modal-footer{display:flex;justify-content:flex-end;margin-top:12px}

/* Footer */
.footer{max-width:var(--max-width);margin:18px auto;padding:8px 18px;color:var(--muted);text-align:center}

/* Responsive */
@media (max-width:980px){
  .container{grid-template-columns:1fr; padding:0 12px}
  .right-col{order:2}
  .left-col{order:1}
  .logo svg{width:32;height:32}
}