/* external style sheet: styles.css */
:root{
  --bg:#0b1020;
  --panel:#141b33;
  --text:#eaf0ff;
  --muted:#b7c2e6;
  --accent:#6ee7ff;
  --accent2:#a78bfa;
  --warn:#ffcc66;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at 20% 10%, rgba(167,139,250,.25), transparent 45%),
              radial-gradient(circle at 70% 30%, rgba(110,231,255,.25), transparent 48%),
              var(--bg);
  color:var(--text);
  line-height:1.5;
}

header{
  padding: 22px 18px;
  border-bottom: 1px solid rgba(234,240,255,.12);
  background: rgba(20,27,51,.75);
  backdrop-filter: blur(6px);
}

.site-title{
  margin:0;
  letter-spacing:.5px;
  text-shadow: 0px 2px 10px rgba(0,0,0,.5); /* CSS3 text-shadow idea */
}

.tagline{
  margin:6px 0 0 0;
  color:var(--muted);
}

main{
  max-width: 980px;
  margin: 0 auto;
  padding: 18px;
}

.card{
  background: rgba(20,27,51,.86);
  border: 1px solid rgba(234,240,255,.12);
  border-radius: 14px; /* CSS3 rounded corners */
  padding: 16px;
  box-shadow: 0 14px 30px rgba(0,0,0,.35); /* CSS3 box-shadow */
  margin: 14px 0;
}

.navbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: 12px;
}

.navbar a{
  text-decoration:none;
}

.navbtn{
  border: 1px solid rgba(234,240,255,.18);
  background: linear-gradient(135deg, rgba(110,231,255,.22), rgba(167,139,250,.18));
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}

.navbtn:hover{
  filter: brightness(1.12);
}

.small{
  color: var(--muted);
  font-size: .95rem;
}

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

figure{
  margin:0;
}

figure img{
  width:100%;
  height:auto;
  border-radius: 12px;
  border: 1px solid rgba(234,240,255,.14);
}

figcaption{
  color: var(--muted);
  font-size: .92rem;
  margin-top: 6px;
}

table{
  width:100%;
  border-collapse: collapse;
  margin-top: 10px;
}

th, td{
  border: 1px solid rgba(234,240,255,.18);
  padding: 10px;
  text-align:left;
}

th{
  background: rgba(110,231,255,.12);
}

tr:nth-child(even) td{
  background: rgba(167,139,250,.07);
}

label{
  display:block;
  margin: 10px 0 6px 0;
  font-weight: 700;
}

input, select, textarea{
  width:100%;
  padding:10px;
  border-radius: 10px;
  border: 1px solid rgba(234,240,255,.18);
  background: rgba(11,16,32,.6);
  color: var(--text);
}

fieldset{
  border: 1px solid rgba(234,240,255,.18);
  border-radius: 12px;
  padding: 12px;
  margin: 12px 0;
}

legend{
  padding: 0 8px;
  color: var(--accent);
  font-weight: 800;
}

.form-row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.inline{
  display:flex;
  gap: 14px;
  align-items:center;
  flex-wrap:wrap;
}

.inline input{
  width:auto;
}

.actions{
  display:flex;
  gap:10px;
  margin-top: 12px;
}

.actionbtn{
  background: rgba(110,231,255,.18);
  border: 1px solid rgba(234,240,255,.18);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  cursor:pointer;
  font-weight: 800;
}

.actionbtn.secondary{
  background: rgba(167,139,250,.14);
}

footer{
  text-align:center;
  color: var(--muted);
  padding: 16px 10px 30px 10px;
}