:root {
  --bg: #07080c;
  --fg: #eaeaea;
  --muted: rgba(255,255,255,0.72);
  --panel: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.16);
  --shadow: 0 10px 30px rgba(0,0,0,0.45);

  --accent: #9b7bff; /* tasteful purple */
  --accent2: #66e3ff;

  --btn-bg: rgba(255,255,255,0.10);
  --btn-hover: rgba(255,255,255,0.16);
  --btn-border: rgba(255,255,255,0.18);

  --radius: 16px;
  --pad: 18px;
  --font: ui-sans-serif, system-ui, -apple-system, "Helvetica Neue", Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f7fb;
    --fg: #141418;
    --muted: rgba(0,0,0,0.70);
    --panel: rgba(0,0,0,0.04);
    --border: rgba(0,0,0,0.12);
    --shadow: 0 10px 30px rgba(0,0,0,0.10);

    --btn-bg: rgba(0,0,0,0.06);
    --btn-hover: rgba(0,0,0,0.10);
    --btn-border: rgba(0,0,0,0.12);
  }
}

* { box-sizing: border-box; }
html {
  min-height: 100%;
  background: var(--bg); 
}

body {
  min-height: 100%;
  background: transparent; 
}

@keyframes auroraDriftA {
  0%   { transform: translate3d(-1%, 0%, 0) rotate(-0.3deg); }
  50%  { transform: translate3d(1%, 0.5%, 0) rotate(0.3deg); }
  100% { transform: translate3d(-1%, 0%, 0) rotate(-0.3deg); }
}

@keyframes auroraDriftB {
  0%   { filter: blur(30px) saturate(145%) hue-rotate(0deg); }
  50%  { filter: blur(34px) saturate(165%) hue-rotate(2deg); }
  100% { filter: blur(30px) saturate(145%) hue-rotate(0deg); }
}

body {
  margin: 0;
  color: var(--fg);
  position: relative;
  isolation: isolate;
  font-family: var(--font);
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  pointer-events: none;
  z-index: 0;

  background:
   radial-gradient(circle at 50% 0%,
    rgba(0,0,0,0.42) 0%,
    rgba(0,0,0,0.26) 45%,
    rgba(0,0,0,0.16) 100%
  ),
  /* aurora ribbon 1: purple -> cyan -> green */
  linear-gradient(120deg,
    transparent 0%,
    rgba(155,123,255,0.02) 15%,
    rgba(155,123,255,0.10) 22%,
    rgba(155,123,255,0.16) 28%,
    rgba(102,227,255,0.14) 36%,
    rgba(61,220,151,0.10) 46%,
    rgba(61,220,151,0.04) 58%,
    transparent 72%
  ),
  /* aurora ribbon 2: cyan -> green with a faint purple tail */
  linear-gradient(70deg,
    transparent 8%,
    rgba(102,227,255,0.02) 22%,
    rgba(102,227,255,0.10) 30%,
    rgba(102,227,255,0.15) 38%,
    rgba(61,220,151,0.12) 48%,
    rgba(155,123,255,0.08) 58%,
    rgba(155,123,255,0.03) 70%,
    transparent 82%
  ),
  /* very faint third ribbon for depth */
  linear-gradient(95deg,
    transparent 18%,
    rgba(155,123,255,0.04) 32%,
    rgba(102,227,255,0.06) 42%,
    rgba(61,220,151,0.04) 54%,
    transparent 68%
  ),
  /* soft corner glows */
  radial-gradient(circle at 18% 12%,
    rgba(155,123,255,0.14) 0%,
    transparent 62%
  ),
  radial-gradient(circle at 82% 18%,
    rgba(102,227,255,0.12) 0%,
    transparent 60%
  );
  opacity: 0.95;
  filter: none;

  animation:
    auroraDriftA 36s ease-in-out infinite,
    auroraDriftB 52s ease-in-out infinite;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.08;
  mix-blend-mode: soft-light;
  transform: translateZ(0);

  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
  background-repeat: repeat;
}

@media (prefers-reduced-motion: reduce) {
  body::before {
    animation: none;
  }
}

.wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 16px 40px;
  position: relative;
  z-index: 1;
}

.header {
  margin-bottom: 16px;
}

h1 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

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

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--pad);
  box-shadow: var(--shadow);
  margin-top: 14px;
  backdrop-filter: blur(10px);
}

.card h2 {
  margin: 0 0 12px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.form { margin: 0; }

.label {
  display: block;
  font-weight: 600;
  margin-bottom: 10px;
}

.hint {
  display: block;
  font-weight: 400;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: 4px;
}

.textarea {
  width: 100%;
  resize: vertical;
  min-height: 110px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.12);
  color: var(--fg);
  padding: 12px 12px;
  font: inherit;
  outline: none;
}

@media (prefers-color-scheme: light) {
  .textarea { background: rgba(255,255,255,0.7); }
}

.textarea:focus {
  border-color: rgba(155,123,255,0.55);
  box-shadow: 0 0 0 4px rgba(155,123,255,0.18);
}

.row {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.counter {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.btn {
  appearance: none;
  border: 1px solid var(--btn-border);
  background: linear-gradient(180deg, var(--btn-bg), rgba(0,0,0,0.02));
  color: var(--fg);
  border-radius: 999px;
  padding: 10px 14px;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
  user-select: none;
}

.btn:hover {
  background: linear-gradient(180deg, var(--btn-hover), rgba(0,0,0,0.02));
  transform: translateY(-1px);
  border-color: rgba(155,123,255,0.35);
}

.btn:active {
  transform: translateY(0);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  font-weight: 600;
  border-color: rgba(102,227,255,0.30);
}

.fineprint {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.result {
  margin-top: 14px;
}

.result-text {
  margin: 0;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px dashed var(--border);
  background: rgba(0,0,0,0.10);
  min-height: 54px;
}

.details summary {
  cursor: pointer;
  color: var(--muted);
  margin-top: 10px;
}

.feed {
  display: grid;
  gap: 10px;
}

.post {
  border: 1px solid var(--border);
  background: rgba(0,0,0,0.08);
  border-radius: 14px;
  padding: 12px 12px;
}

.post .meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 6px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.post .poem {
  margin: 0;
  white-space: pre-wrap;
}

@media (prefers-color-scheme: light) {
  .result-text { background: rgba(255,255,255,0.65); }
}

a {
  color: var(--accent);
}

a:visited {
  color: var(--accent2);
}

.status {
  color: var(--muted);
  min-height: 1.2em;
}

.footer {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.9rem;
}