/* Global styles */
:root{
  --bg:#eef4f8;
  --fg:#2c3e50;
  --card:#ffffff;
  --btn:#2563eb;
  --btn-hover:#1e40af;
  --shadow:0 10px 30px rgba(0,0,0,.08);
  --radius:14px;
}

*{ box-sizing:border-box }
html,body{ height:100% }
body{
  margin:0;
  font-family:'Open Sans', system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Helvetica, Arial, sans-serif;
  font-weight:300;
  color:var(--fg);
  background:var(--bg);
  max-width:1000px;
  margin-left:auto;
  margin-right:auto;
  padding:30px;
}

h1{ text-align:center; margin:0 0 14px 0; font-weight:600 }

/* Start page layout */
body.start{
  background: linear-gradient(180deg,#f8fbff,#eef4f8 50%,#e9f0f6);
  display:grid;
  place-items:center;
  padding:24px;
}

.card{
  background:var(--card);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:28px 30px 34px;
  text-align:center;
  max-width:680px;
  width:100%;
}

.lead{ opacity:.9; margin:0 0 18px 0 }

.btn{
  appearance:none;
  border:none;
  background:var(--btn);
  color:#fff;
  font-weight:600;
  padding:12px 18px;
  border-radius:10px;
  cursor:pointer;
  transition:transform .06s ease, background .2s ease;
  box-shadow:0 6px 14px rgba(37,99,235,.25);
  font-family:'Open Sans',sans-serif;
  font-size:16px;
}
.btn:hover{ background:var(--btn-hover) }
.btn:active{ transform:translateY(1px) }

.btn.subtle{
  background:#e6eefc;
  color:#0f172a;
  box-shadow:none;
}

.actions.centered{ display:flex; justify-content:center; margin-top:16px }

/* Timezone row */
#timezone-select{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:14px;               /* расстояние между лейблом и селектом */
  margin:25px 0 20px 0;
}

#timezone-select label{
  font-weight:600;
  font-size:17px;
  color:#1e293b;
}

#timezone-select select{
  font-family:'Open Sans', sans-serif;
  font-size:16px;
  font-weight:400;
  padding:8px 14px;
  border-radius:10px;
  border:1px solid #ccd5e0;
  background:#fff;
  color:#2c3e50;
  outline:none;
  transition:border-color .2s, box-shadow .2s;
}
#timezone-select select:hover,
#timezone-select select:focus{
  border-color:#2563eb;
  box-shadow:0 0 0 3px rgba(37,99,235,.15);
}

#forecast-today{
  text-align:center;
  font-size:1.05rem;
  margin-bottom:10px;
}

canvas{ display:block; margin:30px auto; max-width:100% }