@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@500;600;700&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0b0e2d;
  --cream: #fdf5e6;
  --purple: #7b4fbf;
  --purple-light: #9b6fd4;
  --yellow: #ffd93d;
  --blue: #5eb8e8;
  --red: #e84545;
  --orange: #e8753a;
  --sticker-border: 4px solid var(--cream);
  --shadow: 0 5px 0 rgba(0, 0, 0, 0.3);
}

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: 'Fredoka', sans-serif;
  color: var(--cream);
  min-height: 100dvh;
  background: #060818;
  overflow-x: hidden;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background:
    radial-gradient(ellipse 120% 80% at 50% 0%, #141b4a 0%, transparent 55%),
    linear-gradient(
      175deg,
      #040610 0%,
      #0a1030 35%,
      #0d1440 65%,
      #060818 100%
    );
  overflow: hidden;
}

/* Far star layer — slow drift */
.bg::before {
  content: '';
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image:
    radial-gradient(1px 1px at  10px  15px, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1px 1px at  45px  60px, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at  80px  25px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 120px  90px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 155px  40px, rgba(255, 255, 255, 0.35), transparent),
    radial-gradient(1px 1px at 190px 110px, rgba(255, 255, 255, 0.25), transparent),
    radial-gradient(1px 1px at  30px 130px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 170px  70px, rgba(255, 255, 255, 0.35), transparent);
  background-size: 200px 200px;
  animation: star-drift 90s linear infinite;
}

/* Mid star layer — counter drift + color */
.bg::after {
  content: '';
  position: absolute;
  inset: -50%;
  width: 200%;
  height: 200%;
  background-image:
    radial-gradient(1.5px 1.5px at  25px  35px, rgba(255, 217, 61, 0.55), transparent),
    radial-gradient(1px 1px at  70px  80px, rgba(94, 184, 232, 0.5), transparent),
    radial-gradient(1px 1px at 110px  20px, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 150px 100px, rgba(255, 217, 61, 0.45), transparent),
    radial-gradient(1px 1px at  55px 115px, rgba(255, 255, 255, 0.4), transparent),
    radial-gradient(1px 1px at 185px  55px, rgba(94, 184, 232, 0.45), transparent);
  background-size: 220px 220px;
  animation: star-drift-reverse 120s linear infinite;
}

.bg-overlay {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: hidden;
}

/* Bright foreground stars — twinkle individually via opacity pulse */
.bg-overlay {
  background-image:
    radial-gradient(2px 2px at  8% 18%, rgba(255, 255, 255, 0.95), transparent),
    radial-gradient(1px 1px at 22% 42%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1.5px 1.5px at 35% 12%, rgba(255, 217, 61, 1), transparent),
    radial-gradient(1px 1px at 48% 28%, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(1px 1px at 61%  8%, rgba(94, 184, 232, 0.85), transparent),
    radial-gradient(2px 2px at 74% 22%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(1px 1px at 88% 14%, rgba(255, 217, 61, 0.8), transparent),
    radial-gradient(1px 1px at  6% 62%, rgba(255, 255, 255, 0.6), transparent),
    radial-gradient(1.5px 1.5px at 19% 78%, rgba(255, 255, 255, 0.75), transparent),
    radial-gradient(1px 1px at 33% 52%, rgba(94, 184, 232, 0.7), transparent),
    radial-gradient(2px 2px at 46% 68%, rgba(255, 255, 255, 0.85), transparent),
    radial-gradient(1px 1px at 58% 88%, rgba(255, 255, 255, 0.5), transparent),
    radial-gradient(1.5px 1.5px at 72% 58%, rgba(255, 217, 61, 0.9), transparent),
    radial-gradient(1px 1px at 84% 82%, rgba(255, 255, 255, 0.55), transparent),
    radial-gradient(1px 1px at 93% 48%, rgba(94, 184, 232, 0.65), transparent),
    radial-gradient(1px 1px at 14% 92%, rgba(255, 255, 255, 0.45), transparent),
    radial-gradient(1.5px 1.5px at 52% 38%, rgba(255, 255, 255, 0.7), transparent),
    radial-gradient(1px 1px at 67% 72%, rgba(255, 217, 61, 0.75), transparent),
    radial-gradient(2px 2px at 78% 92%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 41% 82%, rgba(255, 255, 255, 0.4), transparent);
  background-size: 100% 100%;
  animation: twinkle-layer 4s ease-in-out infinite alternate;
}

/* Extra twinkling cluster */
.bg-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(1px 1px at 15% 25%, rgba(255, 255, 255, 0.9), transparent),
    radial-gradient(1.5px 1.5px at 55% 15%, rgba(255, 255, 255, 0.8), transparent),
    radial-gradient(1px 1px at 75% 45%, rgba(255, 217, 61, 0.85), transparent),
    radial-gradient(1px 1px at 30% 70%, rgba(94, 184, 232, 0.75), transparent),
    radial-gradient(2px 2px at 90% 65%, rgba(255, 255, 255, 0.95), transparent),
    radial-gradient(1px 1px at 45% 55%, rgba(255, 255, 255, 0.6), transparent);
  background-size: 100% 100%;
  animation: twinkle-layer 2.5s ease-in-out infinite alternate-reverse;
}

/* Shooting stars */
.bg-overlay::after {
  content: '';
  position: absolute;
  top: 8%;
  left: 15%;
  width: 100px;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.9) 40%, rgba(255, 217, 61, 0.6) 70%, transparent);
  box-shadow: 0 0 6px 1px rgba(255, 255, 255, 0.4);
  transform: rotate(-30deg);
  opacity: 0;
  animation: shooting-star 7s ease-in infinite;
}

@keyframes star-drift {
  from { transform: translate(0, 0); }
  to   { transform: translate(-200px, -200px); }
}

@keyframes star-drift-reverse {
  from { transform: translate(0, 0); }
  to   { transform: translate(200px, -150px); }
}

@keyframes twinkle-layer {
  0%   { opacity: 0.45; filter: brightness(0.85); }
  50%  { opacity: 0.95; filter: brightness(1.15); }
  100% { opacity: 0.6; filter: brightness(0.95); }
}

@keyframes shooting-star {
  0%, 78%, 100% {
    opacity: 0;
    transform: rotate(-30deg) translate(0, 0) scaleX(0.3);
  }
  82% {
    opacity: 1;
    transform: rotate(-30deg) translate(0, 0) scaleX(1);
  }
  92% {
    opacity: 0;
    transform: rotate(-30deg) translate(280px, 160px) scaleX(0.5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg::before,
  .bg::after,
  .bg-overlay,
  .bg-overlay::before,
  .bg-overlay::after {
    animation: none;
  }

  .bg-overlay { opacity: 0.85; }
}

.page {
  position: relative;
  z-index: 2;
  max-width: 420px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo {
  width: min(280px, 85vw);
  height: auto;
  margin-bottom: 2rem;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.45));
}

.btn-list {
  width: 100%;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.space-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  padding: 0.9rem 1.25rem;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--cream);
  text-decoration: none;
  text-align: center;
  border: var(--sticker-border);
  border-radius: 999px;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, filter 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.space-btn:active {
  transform: translateY(3px);
  box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3);
}

.space-btn--purple { background: var(--purple); }
.space-btn--blue   { background: #3a8fc4; }
.space-btn--yellow { background: #c9a820; }
.space-btn--red    { background: var(--red); }
.space-btn--orange { background: var(--orange); }

.space-btn--purple:hover { background: var(--purple-light); }
.space-btn--blue:hover   { background: var(--blue); }
.space-btn--yellow:hover { background: var(--yellow); color: var(--navy); }
.space-btn--red:hover    { background: #f06060; }
.space-btn--orange:hover { background: #f09060; }

.page-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--cream);
  text-decoration: none;
  background: var(--purple);
  border: 3px solid var(--cream);
  border-radius: 50%;
  box-shadow: var(--shadow);
  flex-shrink: 0;
  transition: transform 0.12s;
  -webkit-tap-highlight-color: transparent;
}

.back-link:active { transform: translateY(2px); box-shadow: 0 2px 0 rgba(0, 0, 0, 0.3); }

.page-title {
  font-size: 1.4rem;
  font-weight: 700;
}

.content {
  width: 100%;
}

.week-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.week-grid .space-btn {
  font-size: 1rem;
  min-height: 52px;
}

.copy-card {
  width: 100%;
  background: rgba(11, 14, 45, 0.75);
  border: var(--sticker-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow);
}

.copy-area {
  width: 100%;
  min-height: 160px;
  padding: 0.85rem;
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--cream);
  background: rgba(0, 0, 0, 0.35);
  border: 2px solid rgba(253, 245, 230, 0.25);
  border-radius: 10px;
  resize: vertical;
  margin-bottom: 0.85rem;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 1.1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--navy);
  background: var(--yellow);
  border: 3px solid var(--cream);
  border-radius: 999px;
  cursor: pointer;
  box-shadow: 0 4px 0 rgba(0, 0, 0, 0.25);
  transition: transform 0.12s;
  -webkit-tap-highlight-color: transparent;
}

.copy-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25); }
.copy-btn.copied { background: #6dd47e; }

.workday-note {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid rgba(253, 245, 230, 0.15);
}

.workday-section + .workday-section {
  margin-top: 1.1rem;
  padding-top: 1.1rem;
  border-top: 2px solid rgba(253, 245, 230, 0.15);
}

.workday-section h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--yellow);
  margin-bottom: 0.65rem;
}

.code-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.code-row:last-child { margin-bottom: 0; }

.code-label {
  font-size: 0.8rem;
  opacity: 0.85;
  flex-shrink: 0;
}

.code-value {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
  font-weight: 700;
  flex: 1;
  text-align: right;
}

.copy-btn--sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  flex-shrink: 0;
}

.schedule-placeholder {
  text-align: center;
  font-size: 1rem;
  line-height: 1.6;
  padding: 1.5rem 1rem;
  background: rgba(11, 14, 45, 0.75);
  border: var(--sticker-border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}

@media (min-width: 400px) {
  .space-btn { font-size: 1.15rem; min-height: 60px; }
}