:root {
  --void: #05030f;
  --deep: #0b0820;
  --panel-1: #161235;
  --panel-2: #0a0820;
  --fog: #c3c0e6;
  --star: #e8ecff;
  --cyan: #4be3ff;
  --violet: #9b5cff;
  --magenta: #ff5cf0;
  --accent: #7c5cff;
  --accent-glow: rgba(124, 92, 255, 0.55);
  --ok: #5cffc4;
  --bad: #ff6b8a;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: "Inter", system-ui, sans-serif;
  color: var(--fog);
  background:
    radial-gradient(130% 100% at 50% -10%, #1a1442 0%, var(--deep) 45%, var(--void) 100%);
  overflow-x: hidden;
  position: relative;
}

/* ---------- drifting nebulae ---------- */
.nebula {
  position: fixed;
  inset: -25% -25% -25% -25%;
  background-repeat: no-repeat;
  pointer-events: none;
  z-index: 0;
  filter: blur(40px);
  mix-blend-mode: screen;
  opacity: 0.6;
}
.nebula--1 {
  background: radial-gradient(closest-side, rgba(155,92,255,0.45), transparent 70%);
  background-size: 60% 60%;
  background-position: 20% 30%;
  animation: drift1 42s ease-in-out infinite;
}
.nebula--2 {
  background: radial-gradient(closest-side, rgba(75,227,255,0.32), transparent 70%);
  background-size: 55% 55%;
  background-position: 80% 25%;
  animation: drift2 54s ease-in-out infinite;
}
.nebula--3 {
  background: radial-gradient(closest-side, rgba(255,92,240,0.28), transparent 70%);
  background-size: 70% 70%;
  background-position: 55% 85%;
  animation: drift1 66s ease-in-out infinite reverse;
}

@keyframes drift1 {
  0%   { transform: translate3d(-4%, 2%, 0) scale(1); }
  50%  { transform: translate3d(5%, -4%, 0) scale(1.18); }
  100% { transform: translate3d(-4%, 2%, 0) scale(1); }
}
@keyframes drift2 {
  0%   { transform: translate3d(4%, -2%, 0) scale(1.12); }
  50%  { transform: translate3d(-6%, 5%, 0) scale(1); }
  100% { transform: translate3d(4%, -2%, 0) scale(1.12); }
}

/* ---------- starfields (twinkling via radial-gradient dots) ---------- */
.stars {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}
.stars--far {
  background-image:
    radial-gradient(1px 1px at 20% 30%, var(--star) 99%, transparent),
    radial-gradient(1px 1px at 70% 60%, var(--star) 99%, transparent),
    radial-gradient(1px 1px at 40% 80%, var(--star) 99%, transparent),
    radial-gradient(1px 1px at 90% 20%, var(--star) 99%, transparent),
    radial-gradient(1px 1px at 55% 15%, var(--star) 99%, transparent),
    radial-gradient(1px 1px at 10% 70%, var(--star) 99%, transparent),
    radial-gradient(1px 1px at 85% 85%, var(--star) 99%, transparent);
  background-repeat: no-repeat;
  opacity: 0.5;
  animation: twinkle 6s ease-in-out infinite;
}
.stars--near {
  background-image:
    radial-gradient(1.6px 1.6px at 33% 45%, var(--cyan) 99%, transparent),
    radial-gradient(1.6px 1.6px at 65% 25%, #fff 99%, transparent),
    radial-gradient(2px 2px at 15% 20%, var(--violet) 99%, transparent),
    radial-gradient(1.6px 1.6px at 80% 70%, #fff 99%, transparent),
    radial-gradient(2px 2px at 48% 88%, var(--magenta) 99%, transparent);
  background-repeat: no-repeat;
  opacity: 0.85;
  animation: twinkle 4s ease-in-out infinite alternate;
}
@keyframes twinkle {
  0%, 100% { opacity: 0.35; }
  50%      { opacity: 0.9; }
}

.vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  background: radial-gradient(120% 80% at 50% 30%, transparent 45%, rgba(0,0,0,0.75) 100%);
}

/* ---------- layout ---------- */
.stage {
  position: relative;
  z-index: 2;
  max-width: 620px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

/* ---------- hero ---------- */
.hero {
  text-align: center;
  margin-bottom: 34px;
  position: relative;
}
.pulsar {
  width: 14px;
  height: 14px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: radial-gradient(circle, #fff, var(--cyan) 55%, transparent 75%);
  box-shadow:
    0 0 18px 6px rgba(75,227,255,0.6),
    0 0 44px 14px rgba(124,92,255,0.35);
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { transform: scale(0.8); opacity: 0.8; }
  50%      { transform: scale(1.3); opacity: 1; }
}
.title {
  font-family: "Orbitron", sans-serif;
  font-weight: 700;
  font-size: clamp(2.4rem, 8.5vw, 4.2rem);
  letter-spacing: 0.28em;
  margin: 0;
  padding-left: 0.28em; /* balance the trailing letter-spacing */
  background: linear-gradient(100deg, var(--cyan) 0%, var(--star) 35%, var(--violet) 70%, var(--magenta) 100%);
  background-size: 220% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 28px rgba(124,92,255,0.4);
  animation: aurora 8s linear infinite;
}
@keyframes aurora {
  0%   { background-position: 0% center; }
  100% { background-position: 220% center; }
}
.subtitle {
  margin: 10px 0 0;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: #8a86b8;
}

/* ---------- panel ---------- */
.panel {
  background: linear-gradient(180deg, rgba(22,18,53,0.85), rgba(10,8,32,0.9));
  border: 1px solid rgba(124,92,255,0.22);
  border-radius: 18px;
  padding: 26px;
  backdrop-filter: blur(8px);
  box-shadow:
    0 30px 80px rgba(0,0,0,0.6),
    0 0 50px rgba(124,92,255,0.08),
    inset 0 1px 0 rgba(255,255,255,0.06);
}

/* ---------- form ---------- */
.add-form {
  display: flex;
  gap: 10px;
  margin-bottom: 8px;
}
.phrase-input {
  flex: 1;
  background: rgba(0,0,0,0.4);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--star);
  font-size: 1rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.phrase-input::placeholder { color: #6d699a; }
.phrase-input:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(75,227,255,0.18), 0 0 24px rgba(75,227,255,0.28);
}
.add-btn {
  position: relative;
  border: none;
  border-radius: 12px;
  padding: 0 22px;
  font-family: "Orbitron", sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #07041a;
  cursor: pointer;
  background: linear-gradient(120deg, var(--cyan), var(--violet) 55%, var(--magenta));
  background-size: 200% auto;
  box-shadow: 0 6px 22px rgba(124,92,255,0.45), inset 0 1px 0 rgba(255,255,255,0.4);
  transition: transform 0.12s ease, box-shadow 0.25s, background-position 0.4s;
  overflow: hidden;
}
.add-btn:hover { background-position: right center; box-shadow: 0 8px 30px rgba(124,92,255,0.65); }
.add-btn:active { transform: translateY(2px) scale(0.98); }
.add-btn:disabled { filter: grayscale(0.5) brightness(0.7); cursor: not-allowed; }

/* ---------- read-only notice ---------- */
.readonly-note {
  margin: 0 0 4px;
  padding: 12px 14px;
  text-align: center;
  font-size: 0.85rem;
  color: #b9b5e8;
  background: rgba(75,227,255,0.06);
  border: 1px solid rgba(75,227,255,0.2);
  border-radius: 12px;
}

/* ---------- toast ---------- */
.toast {
  height: 0;
  overflow: hidden;
  font-size: 0.85rem;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s, height 0.3s, margin 0.3s;
}
.toast.show { height: auto; opacity: 1; margin: 10px 0 4px; }
.toast.ok  { color: var(--ok); }
.toast.bad { color: var(--bad); }

/* ---------- list ---------- */
.list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 22px 4px 12px;
}
.list-head h2 {
  font-family: "Orbitron", sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #cdc9ee;
  margin: 0;
}
.count {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--cyan);
  background: rgba(75,227,255,0.12);
  border: 1px solid rgba(75,227,255,0.32);
  border-radius: 999px;
  padding: 2px 11px;
  min-width: 28px;
  text-align: center;
}

.phrase-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.phrase-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: rgba(255,255,255,0.035);
  border: 1px solid rgba(255,255,255,0.07);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  animation: warp 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}
.phrase-item.leaving {
  animation: collapse 0.5s ease forwards;
}
@keyframes warp {
  from { opacity: 0; transform: translateX(-14px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes collapse {
  to { opacity: 0; transform: scale(0.9); filter: blur(6px); }
}
.phrase-text {
  flex: 1;
  color: #ece9fb;
  word-break: break-word;
}
.del-btn {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid rgba(255,107,138,0.3);
  background: rgba(255,107,138,0.1);
  color: var(--bad);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.del-btn:hover { background: rgba(255,107,138,0.24); }
.del-btn:active { transform: scale(0.9); }

.empty {
  text-align: center;
  color: #6d699a;
  font-style: italic;
  padding: 18px;
}

/* ---------- footer ---------- */
.foot {
  text-align: center;
  margin-top: 26px;
  font-size: 0.75rem;
  color: #6d699a;
}
.foot code {
  color: var(--cyan);
  background: rgba(75,227,255,0.1);
  padding: 1px 6px;
  border-radius: 5px;
}