:root {
  --aqua: #38bdf8;
  --aqua-deep: #0369a1;
  --lime: #a3e635;
  --ink: #0b2436;
  --glass: rgba(255, 255, 255, 0.55);
  --glass-edge: rgba(255, 255, 255, 0.9);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Trebuchet MS", "Segoe UI", Tahoma, Verdana, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(163, 230, 53, 0.35), transparent 60%),
    radial-gradient(900px 500px at 10% 10%, rgba(255, 255, 255, 0.7), transparent 55%),
    linear-gradient(160deg, #bfe9ff 0%, #7dd3fc 45%, #38bdf8 100%);
  background-attachment: fixed;
  min-height: 100vh;
}

.masthead {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 16px 24px;
  text-align: center;
}

.masthead h1 {
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 3.5rem);
  letter-spacing: -0.02em;
}
.masthead h1 a {
  color: var(--ink);
  text-decoration: none;
  text-shadow: 0 1px 0 #fff, 0 3px 8px rgba(3, 105, 161, 0.35);
}
.masthead .tld { color: var(--aqua-deep); }
.tagline { margin: 4px 0 20px; font-style: italic; opacity: 0.75; }

#search, .admin input {
  width: 100%;
  max-width: 420px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--glass-edge);
  background: linear-gradient(180deg, #ffffff 0%, #e8f7ff 100%);
  box-shadow: inset 0 2px 4px rgba(3, 105, 161, 0.15), 0 2px 6px rgba(3, 105, 161, 0.2);
  font: inherit;
  font-size: 1rem;
}
#search:focus, .admin input:focus {
  outline: none;
  box-shadow: inset 0 2px 4px rgba(3, 105, 161, 0.15), 0 0 0 3px rgba(56, 189, 248, 0.5);
}

#timeline {
  max-width: 720px;
  margin: 0 auto;
  padding: 8px 16px 64px;
  display: grid;
  gap: 20px;
}

.card {
  border-radius: 18px;
  border: 1px solid var(--glass-edge);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.85) 0%, var(--glass) 100%);
  box-shadow: 0 8px 24px rgba(3, 105, 161, 0.25), inset 0 1px 0 #fff;
  backdrop-filter: blur(8px);
  overflow: hidden;
  position: relative;
}
.card::before {  /* aero gloss highlight */
  content: "";
  position: absolute;
  inset: 0 0 60% 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0));
  pointer-events: none;
}
.card-media img {
  display: block;
  width: 100%;
  max-height: 360px;
  object-fit: cover;
}
.card-body { padding: 16px 20px 14px; }
.card h2 { margin: 0 0 6px; font-size: 1.25rem; line-height: 1.25; }
.card h2 a { color: var(--ink); text-decoration: none; position: relative; z-index: 1; }
.card h2 a:hover { color: var(--aqua-deep); text-decoration: underline; }
.note { margin: 0 0 10px; opacity: 0.85; }
.card footer { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.card time {
  margin-left: auto;
  font-size: 0.78rem;
  opacity: 0.6;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.chip {
  font-size: 0.75rem;
  padding: 3px 12px;
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  position: relative;
  z-index: 1;
  background: linear-gradient(180deg, #67e8f9 0%, var(--aqua) 45%, var(--aqua-deep) 100%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 2px 4px rgba(3, 105, 161, 0.35);
  text-shadow: 0 1px 1px rgba(3, 105, 161, 0.6);
}
.chip:hover { filter: brightness(1.08); }

.gel {
  font: inherit;
  font-weight: bold;
  color: #fff;
  padding: 10px 28px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  background: linear-gradient(180deg, #bef264 0%, var(--lime) 45%, #65a30d 100%);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.7), 0 4px 10px rgba(3, 105, 161, 0.3);
  text-shadow: 0 1px 1px rgba(63, 98, 18, 0.6);
  cursor: pointer;
}
.gel:active { transform: translateY(1px); }

.empty { text-align: center; opacity: 0.7; font-style: italic; }
.site-footer { text-align: center; padding: 24px; font-size: 0.8rem; opacity: 0.6; }

.admin .panel {
  max-width: 420px;
  margin: 10vh auto;
  padding: 28px;
  border-radius: 18px;
  border: 1px solid var(--glass-edge);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), var(--glass));
  box-shadow: 0 8px 24px rgba(3, 105, 161, 0.25);
  display: grid;
  gap: 12px;
}
.admin .panel h1 { margin: 0 0 4px; font-size: 1.5rem; text-align: center; }
.admin form { display: grid; gap: 12px; }
.admin input { max-width: none; }
#status { min-height: 1.2em; margin: 0; text-align: center; }