/* Moldy.App — shared shell styles */

:root {
  --bg: #05060a;
  --ink: #eaf1ff;
  --ink-dim: #93a0c2;
  --accent: #8fb8ff;
  --accent-2: #b98fff;
  --glow: rgba(143, 184, 255, 0.55);
  --panel-border: rgba(143, 184, 255, 0.18);
  --shimmer-a: rgba(255, 197, 138, 0.95);
  --shimmer-b: rgba(196, 148, 255, 0.95);
  --shimmer-glow: rgba(255, 197, 138, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Sora', 'Segoe UI', system-ui, sans-serif;
  height: 100%;
  overflow-x: hidden;
}

#stars {
  position: fixed;
  inset: 0;
  display: block;
  z-index: 0;
  background: radial-gradient(ellipse at 50% 20%, #0b0f1e 0%, #05060a 60%, #020204 100%);
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(2, 2, 4, 0.55) 100%);
}

.layout {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  display: flex;
}

/* --- Side nav --- */
.nav {
  width: 220px;
  flex-shrink: 0;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  border-right: 1px solid var(--panel-border);
  background: linear-gradient(180deg, rgba(10,14,26,0.35), rgba(10,14,26,0.1));
  backdrop-filter: blur(6px);
}

.nav-brand {
  position: relative;
  display: inline-block;
  isolation: isolate;
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(100deg, var(--ink-dim) 0%, var(--ink-dim) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 0px transparent);
  transition: filter 0.35s ease, background 0.35s ease;
}
.nav-brand::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  background: linear-gradient(100deg,
    transparent 14%,
    var(--shimmer-a) 42%,
    rgba(255, 255, 255, 0.95) 50%,
    var(--shimmer-b) 58%,
    transparent 86%);
  background-size: 300% 100%;
  background-position: -160% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  mix-blend-mode: screen;
  opacity: 0;
  will-change: background-position, opacity;
  transform: translateZ(0);
}
.nav-brand:hover {
  background: linear-gradient(100deg, #eaf1ff 0%, var(--accent) 50%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 8px var(--shimmer-glow)) drop-shadow(0 0 16px rgba(143, 184, 255, 0.22));
}
.nav-brand:hover::before {
  animation: shimmer-sweep-text 1.1s cubic-bezier(.16, 1, .3, 1);
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  display: block;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  color: var(--ink-dim);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0.02em;
  padding: 0.6rem 0.8rem;
  border-radius: 10px;
  border: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.nav-links a::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  padding: inherit;
  pointer-events: none;
  font: inherit;
  letter-spacing: inherit;
  background: linear-gradient(100deg,
    transparent 14%,
    var(--shimmer-a) 42%,
    rgba(255, 255, 255, 0.95) 50%,
    var(--shimmer-b) 58%,
    transparent 86%);
  background-size: 300% 100%;
  background-position: -160% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  mix-blend-mode: screen;
  opacity: 0;
  will-change: background-position, opacity;
  transform: translateZ(0);
}

.nav-links a:hover::before {
  animation: shimmer-sweep-text 1.1s cubic-bezier(.16, 1, .3, 1);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
  border-color: var(--panel-border);
  background: rgba(143, 184, 255, 0.06);
  box-shadow: 0 0 14px var(--shimmer-glow), 0 0 18px rgba(143, 184, 255, 0.14);
}

.nav-links a.active {
  color: var(--accent);
  text-shadow: 0 0 10px var(--glow);
}

@keyframes shimmer-sweep-text {
  0%   { background-position: -160% 0; opacity: 0; }
  10%  { opacity: 1; }
  85%  { opacity: 1; }
  100% { background-position: 260% 0; opacity: 0; }
}

/* --- Main content --- */
.main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  text-align: center;
}

.title {
  position: relative;
  display: inline-block;
  isolation: isolate;
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  background: linear-gradient(100deg, #eaf1ff 0%, var(--accent) 40%, var(--accent-2) 70%, #ffb8ea 100%);
  background-size: 220% auto;
  background-position: 0% center;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 0px transparent);
  transition: filter 0.5s ease;
  animation: gradient-drift 11s ease-out infinite;
}

.head2 {
  position: relative;
  font-size: clamp(1.8rem, 6vw, 3.1rem);
  font-weight: 500;
  letter-spacing: 0.005em;
  background: linear-gradient(100deg, #eaf1ff 0%, var(--accent) 40%, var(--accent-2) 70%, #ffb8ea 100%);
  background-size: 150% auto;
  background-position: 0% center;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 0px transparent);
  transition: filter 0.5s ease;
  animation: gradient-drift 11s ease-out infinite;
}

.txt {
  font-size: 1.15rem;
  line-height: 1.6;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.title::before {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  pointer-events: none;
  font: inherit;
  letter-spacing: inherit;
  text-align: inherit;
  background: linear-gradient(100deg,
    transparent 14%,
    var(--shimmer-a) 42%,
    rgba(255, 255, 255, 0.95) 50%,
    var(--shimmer-b) 58%,
    transparent 86%);
  background-size: 300% 100%;
  background-position: -160% 0;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  mix-blend-mode: screen;
  opacity: 0;
  will-change: background-position, opacity;
  transform: translateZ(0);
}

.title:hover {
  filter: drop-shadow(0 0 10px var(--shimmer-glow)) drop-shadow(0 0 22px rgba(143, 184, 255, 0.16));
}

.title:hover::before {
  animation: shimmer-sweep-text 1.1s cubic-bezier(.16, 1, .3, 1);
}

.title.comet-glow {
  filter:
    drop-shadow(0 0 16px var(--glow))
    drop-shadow(0 0 42px var(--glow))
    drop-shadow(0 0 92px var(--accent-2));
  animation: gradient-drift 11s ease-in-out infinite, pulse-glow 3.4s ease-out;
}

@keyframes gradient-drift {
  0%   { background-position: 0% center; }
  50%  { background-position: 100% center; }
  100% { background-position: 0% center; }
}

@keyframes pulse-glow {
  0%   { filter: drop-shadow(0 0 0px transparent); }
  22%  { filter: drop-shadow(0 0 16px var(--glow)) drop-shadow(0 0 42px var(--glow)) drop-shadow(0 0 92px var(--accent-2)); }
  100% { filter: drop-shadow(0 0 0px transparent); }
}

.subtitle {
  margin-top: 1.1rem;
  color: var(--ink-dim);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  text-shadow: 0 0 20px rgba(143, 184, 255, 0.15);
}

.tag {
  display: inline-block;
  margin-top: 2.2rem;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-dim);
  opacity: 0.55;
}

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .nav {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    border-right: none;
    border-bottom: 1px solid var(--panel-border);
    padding: 1.2rem 1.4rem;
    gap: 1rem;
  }
  .nav-links { flex-direction: row; gap: 0.4rem; }
  .main { padding: 2.5rem 1.2rem; }
}

@media (prefers-reduced-motion: reduce) {
  .title { animation: none; }
  .title.comet-glow {
    animation: none;
    filter: drop-shadow(0 0 18px var(--glow));
  }
}