/* ============ TDE-style classic layout ============ */
html, body {
  margin: 0;
  padding: 0;
  background: #1b4088;
  font-family: Georgia, "DejaVu Serif", "Times New Roman", serif;
  font-size: 15px;
  color: #000;
}

/* ---------- Header ---------- */
#header {
  position: relative;
  height: 148px;
  background: #0c2a66;
  overflow: hidden;
}
/* the light wave sweeping across the header: two offset SVG crests over a
   faint third one, all bottom-aligned so they read as rolling surf */
#header .wave {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 72px;
  background-image:
    /* front wave: bright gradient fill */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 72' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='0' y2='1'%3E%3Cstop offset='0' stop-color='%23f2f6fc'/%3E%3Cstop offset='0.45' stop-color='%23cfdcf1'/%3E%3Cstop offset='1' stop-color='%238fa9d6'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cpath d='M0,42 C170,18 330,58 560,44 C790,30 950,60 1200,32 L1200,72 L0,72 Z' fill='url(%23g)'/%3E%3C/svg%3E"),
    /* middle wave: medium blue, offset crests */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 72' preserveAspectRatio='none'%3E%3Cpath d='M0,30 C220,56 430,12 660,34 C890,56 1060,16 1200,42 L1200,72 L0,72 Z' fill='%237896cd' fill-opacity='0.75'/%3E%3C/svg%3E"),
    /* back wave: faint, tallest crests */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 72' preserveAspectRatio='none'%3E%3Cpath d='M0,20 C160,44 400,4 640,22 C880,40 1020,6 1200,24 L1200,72 L0,72 Z' fill='%235f80bd' fill-opacity='0.45'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: 100% 100%;
}
#logo {
  position: absolute;
  top: 14px;
  left: 16px;
  width: 108px;
  height: 108px;
  background: linear-gradient(160deg, #2a56b0 0%, #0e2f74 70%);
  border: 2px solid #dbe5f4;
  border-radius: 14px;
  box-shadow: 0 0 0 3px #071c48, 2px 3px 8px rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
}
#logo span {
  font-family: Georgia, serif;
  font-weight: bold;
  font-size: 64px;
  color: #ffffff;
  text-shadow: 2px 2px 3px #05173d;
}
#sitetitle {
  position: absolute;
  top: 34px;
  left: 160px;
  margin: 0;
  font-size: 40px;
  font-weight: bold;
  color: #ffffff;
  letter-spacing: 0.5px;
  text-shadow: 2px 2px 4px #000;
}
#headerlink {
  position: absolute;
  top: 116px;
  right: 28px;
  font-family: Verdana, "DejaVu Sans", sans-serif;
  font-size: 12px;
  font-weight: bold;
}
#headerlink a { color: #00ee00; text-decoration: none; }
#headerlink a:hover { text-decoration: underline; }

/* ---------- Two-column body ---------- */
#frame {
  display: flex;
  align-items: stretch;
  min-height: calc(100vh - 148px);
}

/* ---------- Sidebar ---------- */
#sidebar {
  flex: 0 0 168px;
  background: #1b4088;
  padding: 10px 6px 30px 10px;
  font-family: Verdana, "DejaVu Sans", sans-serif;
  font-size: 13px;
}
#sidebar .navhead {
  font-family: Georgia, serif;
  font-style: italic;
  font-weight: bold;
  font-size: 16px;
  color: #ffffff;
  margin: 14px 0 3px 2px;
}
#sidebar .navhead.current {
  border: 1px solid #cdd9ee;
  padding: 1px 4px;
  margin-left: 0;
}
#sidebar ul {
  list-style: none;
  margin: 0 0 4px 0;
  padding: 0 0 0 14px;
}
#sidebar ul li { margin: 3px 0; }
#sidebar a {
  color: #e8eefb;
  font-weight: bold;
  text-decoration: none;
}
#sidebar a:hover { color: #ffffff; text-decoration: underline; }
#sidebar a.current { color: #ffffff; text-decoration: underline; }

/* ---------- Content ---------- */
#content {
  flex: 1 1 auto;
  background: #ffffff;
  padding: 26px 40px 60px 34px;
  line-height: 1.45;
  min-width: 0;
}
#content h2 {
  font-size: 19px;
  margin: 0 0 14px 0;
}
#content h3 {
  font-size: 17px;
  margin: 26px 0 10px 0;
}
#content a { color: #1b3c8c; font-weight: bold; text-decoration: none; }
#content a:hover { text-decoration: underline; }
#content ul { margin: 10px 0 18px 22px; padding: 0; }
#content ul li { margin: 4px 0; }

/* fake "screenshot" of the KMOS kernel shell */
.shotwrap { text-align: center; margin: 8px 0 26px 0; }
.screenshot {
  display: inline-block;
  max-width: 100%;
  box-sizing: border-box;
  text-align: left;
  background: #000;
  border: 1px solid #888;
  box-shadow: 3px 4px 8px rgba(0,0,0,.35);
  padding: 10px 14px;
}
.screenshot img {
  display: block;
  width: 700px;
  max-width: 100%;
  height: auto;
}
.screenshot pre {
  margin: 0;
  font-family: "Courier New", monospace;
  font-size: 12px;
  line-height: 1.35;
  color: #c8c8c8;
}
.screenshot .ok    { color: #33dd33; }
.screenshot .info  { color: #66aaff; }
.screenshot .prompt{ color: #ffffff; }
.shotcaption {
  display: block;
  margin-top: 8px;
  font-weight: bold;
  font-size: 16px;
}

.newsdate { font-weight: bold; font-size: 17px; margin: 22px 0 8px 0; }
.rss {
  display: inline-block;
  width: 15px; height: 15px;
  background: #ff8800;
  border-radius: 3px;
  margin-right: 6px;
  vertical-align: -2px;
  position: relative;
}
.rss::after {
  content: "";
  position: absolute;
  left: 3px; bottom: 3px;
  width: 4px; height: 4px;
  background: #fff;
  border-radius: 50%;
}

table.projects {
  border-collapse: collapse;
  margin: 12px 0 20px 0;
  font-size: 14px;
}
table.projects th, table.projects td {
  border: 1px solid #9db1d4;
  padding: 4px 10px;
  text-align: left;
}
table.projects th { background: #dce6f5; }

/* placeholder pages */
.underconstruction {
  margin: 30px 0;
  padding: 14px 18px;
  border: 1px dashed #9db1d4;
  background: #eef3fb;
  font-family: Verdana, "DejaVu Sans", sans-serif;
  font-size: 13px;
}

#footer {
  margin-top: 46px;
  border-top: 1px solid #c3cfe4;
  padding-top: 10px;
  font-size: 12px;
  color: #444;
  font-family: Verdana, "DejaVu Sans", sans-serif;
}

@media (max-width: 720px) {
  #frame { flex-direction: column; }
  #sidebar { flex: none; }
  #sitetitle { font-size: 26px; left: 140px; }
}