:root {
  --bg1: #0d1321;
  --bg2: #1d2d50;
  --accent: #1f3b98;
  --panel: rgba(12, 18, 32, 0.55);
  --panel-2: rgba(10, 12, 22, 0.72);
  --text: #eef2ff;
  --muted: rgba(238, 242, 255, 0.7);
  --headline-font: clamp(18px, 2.4vw, 40px);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color: var(--text);
  overflow: hidden;
  background: #070b14;
}

.stage {
  position: relative;
  height: 100vh;
  width: 100vw;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.bg {
  position: absolute;
  inset: 0;
  background:
    /* Dark overlay for readability */
    /*linear-gradient(180deg, rgba(0,0,0,0.55), rgba(0,0,0,0.55)),*/
    /* Default/fallback background */
    radial-gradient(1200px 600px at 70% 20%, rgba(100, 150, 255, 0.35), transparent 55%),
    radial-gradient(900px 500px at 20% 70%, rgba(20, 255, 190, 0.16), transparent 55%),
    linear-gradient(130deg, var(--bg1), var(--bg2));
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
  transform: scale(1.02);
  filter: saturate(1.2) contrast(1.05);
  animation: bgFloat 18s ease-in-out infinite;
}

@keyframes bgFloat {
  0%, 100% { transform: scale(1.03) translate3d(0, 0, 0); }
  50% { transform: scale(1.06) translate3d(-1.2%, -0.8%, 0); }
}

.feed-header {
  position: relative;
  z-index: 2;
  padding: clamp(16px, 3vw, 32px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: #0b1020;
  border-radius: 10px;
  padding: 10px 14px;
  box-shadow: 0 14px 40px rgba(0,0,0,0.35);
  transform-origin: left center;
  animation: popIn 600ms cubic-bezier(.2,.9,.2,1) both;
}

@keyframes popIn {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.brand__logo {
  width: 48px;
  height: 48px;
}

.brand__title {
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.2px;
}

.headline {
  position: relative;
  z-index: 2;
  align-self: end;
  margin: 0 clamp(12px, 3vw, 32px) clamp(56px, 8vh, 96px);
  max-width: min(1100px, 94vw);
}

.headline__link {
  display: block;
  text-decoration: none;
  color: var(--text);
  background: linear-gradient(90deg, rgba(9, 14, 30, 0.0), rgba(12, 18, 40, 0.86) 12%, rgba(12, 18, 40, 0.86) 88%, rgba(9, 14, 30, 0.0));
  border-left: 8px solid rgba(66, 120, 255, 0.85);
  padding: clamp(14px, 2vw, 22px) clamp(14px, 2.6vw, 28px);
  box-shadow: 0 18px 60px rgba(0,0,0,0.45);
  backdrop-filter: blur(10px);
}

.headline__text {
  display: block;
  font-size: var(--headline-font);
  line-height: 1.15;
  letter-spacing: 0.2px;
  text-wrap: balance;
}

.headline__progress {
  height: 3px;
  background: rgba(255,255,255,0.18);
  margin-top: 10px;
  border-radius: 999px;
  overflow: hidden;
}

.headline__progressFill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, rgba(90, 160, 255, 0.9), rgba(20, 255, 200, 0.75));
}

.meta {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  padding: 16px clamp(12px, 3vw, 32px);
}

.meta__time {
  font-variant-numeric: tabular-nums;
  background: rgba(12, 18, 40, 0.85);
  padding: 8px 12px;
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.14);
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
}

.meta__hint {
  color: var(--muted);
  font-size: 12px;
  user-select: none;
}

/* Slide animation states (toggled by JS) */
.slide-out {
  animation: slideOut 360ms ease both;
}
.slide-in {
  animation: slideIn 520ms cubic-bezier(.16,.9,.2,1) both;
}

@keyframes slideOut {
  from { opacity: 1; transform: translateX(0); filter: blur(0); }
  to { opacity: 0; transform: translateX(-16px); filter: blur(2px); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(18px); filter: blur(3px); }
  to { opacity: 1; transform: translateX(0); filter: blur(0); }
}

@media (max-width: 560px) {
  .brand__title { font-size: 18px; }
  .brand__logo { width: 40px; height: 40px; }
  .meta__hint { display: none; }
  .headline { margin-bottom: 64px; }
}

.meta__timePrimary {
  font-size: 14px;
}

.meta__timeSecondary {
  font-size: 12px;
  color: var(--muted);
}