:root {
  --bg1: #06122e;
  --bg2: #0e285e;
  --bg3: #133a7a;
  --ink: #eaf4ff;
  --muted: #b9d2ef;
  --line: rgba(140, 197, 255, 0.45);
  --card: rgba(9, 29, 66, 0.75);
  --accent: #66d4ff;
  --accent-2: #91adff;
  --danger: #ff8ea1;
  --timeline-progress: 0%;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 20%, rgba(102, 212, 255, 0.25) 0, transparent 35%),
    radial-gradient(circle at 85% 0%, rgba(145, 173, 255, 0.2) 0, transparent 30%),
    linear-gradient(155deg, var(--bg1), var(--bg2) 45%, var(--bg3));
  overflow-x: hidden;
}

.bg-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 10% 20%, rgba(193, 228, 255, 0.55) 0, transparent 80%),
    radial-gradient(2px 2px at 80% 15%, rgba(178, 206, 255, 0.35) 0, transparent 80%),
    radial-gradient(1px 1px at 60% 75%, rgba(188, 221, 255, 0.55) 0, transparent 80%),
    radial-gradient(1px 1px at 30% 90%, rgba(163, 198, 255, 0.35) 0, transparent 80%);
  opacity: 0.95;
  animation: starsDrift 16s ease-in-out infinite alternate;
}

@keyframes starsDrift {
  from { transform: translateY(-4px) scale(1); }
  to { transform: translateY(6px) scale(1.02); }
}

.vault-screen {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.vault-card {
  width: min(100%, 420px);
  background:
    linear-gradient(180deg, rgba(14, 40, 90, 0.92), rgba(6, 20, 50, 0.92));
  border: 1px solid rgba(145, 173, 255, 0.45);
  border-radius: 22px;
  padding: 24px 20px;
  box-shadow: 0 20px 55px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(189, 224, 255, 0.25);
  animation: vaultPop 700ms cubic-bezier(.2,.8,.2,1);
}

@keyframes vaultPop {
  from { transform: translateY(14px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.vault-kicker {
  letter-spacing: .2em;
  color: var(--accent);
  font-size: 11px;
  margin: 0 0 10px;
}

h1 {
  margin: 0 0 10px;
  font-size: 34px;
}

.vault-sub {
  margin: 0 0 18px;
  color: var(--muted);
  line-height: 1.45;
}

.field-label {
  display: block;
  font-size: 13px;
  margin-bottom: 8px;
  color: #a9cfff;
}

input {
  width: 100%;
  height: 48px;
  border-radius: 12px;
  border: 1px solid rgba(160, 196, 255, 0.45);
  background: rgba(255, 255, 255, 0.09);
  color: var(--ink);
  padding: 0 14px;
  font-size: 16px;
  outline: none;
}

input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(102, 212, 255, 0.25);
}

button {
  width: 100%;
  margin-top: 12px;
  height: 48px;
  border: none;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  color: #032748;
  background: linear-gradient(120deg, #8ed4ff, #91adff);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

button:hover,
button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(97, 181, 255, 0.35);
}

.hint {
  min-height: 22px;
  margin: 10px 0 0;
  color: var(--muted);
}

.hint.error {
  color: var(--danger);
}

.shake {
  animation: shake 350ms linear;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-7px); }
  50% { transform: translateX(7px); }
  75% { transform: translateX(-5px); }
}

.hidden {
  display: none;
}

main {
  padding: 18px 16px 50px;
}

.hero {
  padding: 16px 4px 8px;
  animation: heroIn 700ms ease both;
}

@keyframes heroIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-overline {
  letter-spacing: .15em;
  color: #8fd8ff;
  font-size: 12px;
  margin: 0 0 8px;
}

h2 {
  font-size: 30px;
  margin: 0 0 10px;
}

.hero-text {
  margin: 0;
  color: var(--muted);
}

.admin-link {
  display: inline-block;
  margin-top: 14px;
  color: #d7ecff;
  text-decoration: none;
  font-size: 13px;
  border: 1px solid rgba(145, 173, 255, 0.55);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(83, 121, 196, 0.22);
  backdrop-filter: blur(4px);
}

.timeline {
  position: relative;
  margin-top: 22px;
  padding-left: 20px;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  width: 2px;
  height: 100%;
  background: linear-gradient(var(--line), rgba(255, 255, 255, 0.05));
}

.timeline::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 0;
  width: 3px;
  height: var(--timeline-progress);
  background: linear-gradient(#93ddff, #8faeff);
  box-shadow: 0 0 14px rgba(129, 184, 255, 0.75);
}

.item {
  position: relative;
  margin: 0 0 18px;
  padding: 14px 14px 14px 16px;
  background: var(--card);
  border-radius: 14px;
  border: 1px solid rgba(145, 173, 255, 0.28);
  transform: translateY(14px);
  opacity: 0;
  transition: 450ms ease;
  backdrop-filter: blur(4px);
}

.item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 22px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(102, 212, 255, 0.22), 0 0 16px rgba(145, 173, 255, 0.8);
}

.item.show {
  transform: translateY(0);
  opacity: 1;
}

.item:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(7, 20, 52, 0.45);
}

.item-day {
  font-size: 12px;
  color: #9edfff;
  letter-spacing: .12em;
}

.item h3 {
  margin: 6px 0;
  font-size: 20px;
}

.item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.item-image {
  display: block;
  width: 100%;
  margin-top: 10px;
  border-radius: 12px;
  border: 1px solid rgba(159, 196, 255, 0.35);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.35);
  transform: scale(0.98);
  transition: transform 300ms ease;
}

.item.show .item-image {
  transform: scale(1);
}

.item-date {
  margin-top: 10px;
  font-size: 12px;
  color: #9fc2ff;
}

@media (min-width: 700px) {
  main {
    width: min(760px, 92%);
    margin: 0 auto;
  }
}