/* Saeed Book Bank — custom layer over Tailwind CDN.
   Aged paper, library green, stamp red. Libre Caslon Text + Work Sans. */

body {
  font-family: "Work Sans", -apple-system, sans-serif;
  font-weight: 300;
  background-color: #f5efe3;
  color: #1c1a17;
}
.font-serif { font-family: "Libre Caslon Text", Georgia, serif !important; }

[hidden] { display: none !important; }

/* paper grain */
.grain {
  background-image: radial-gradient(rgba(28, 26, 23, 0.028) 1px, transparent 1px);
  background-size: 5px 5px;
}

/* buttons */
.btn-solid {
  display: inline-block; text-align: center;
  background: #29473c; color: #f5efe3;
  padding: 0.8rem 2rem; font-weight: 500; font-size: 0.95rem;
  letter-spacing: 0.02em;
  transition: background 0.2s, transform 0.15s;
}
.btn-solid:hover { background: #1c332b; transform: translateY(-1px); }
.btn-solid:disabled { opacity: 0.6; cursor: wait; transform: none; }
.btn-ghost {
  display: inline-block; text-align: center;
  border: 1px solid #29473c; color: #29473c;
  padding: 0.55rem 1.5rem; font-weight: 500;
  transition: all 0.18s;
}
.btn-ghost:hover { background: #29473c; color: #f5efe3; }
.btn-stamp {
  display: inline-block; text-align: center;
  border: 1.5px solid #a33327; color: #a33327;
  padding: 0.5rem 1.4rem; font-weight: 600; font-size: 0.85rem;
  letter-spacing: 0.08em; text-transform: uppercase;
  transition: all 0.18s;
}
.btn-stamp:hover { background: #a33327; color: #f5efe3; }

/* rubber stamp */
.stamp {
  display: inline-block;
  border: 2px solid #a33327; color: #a33327;
  padding: 0.2rem 0.7rem;
  font-weight: 700; font-size: 0.72rem;
  letter-spacing: 0.14em; text-transform: uppercase;
  transform: rotate(-2deg);
  border-radius: 2px;
}

/* form fields */
.field {
  width: 100%;
  background: #fffdf8;
  border: 1px solid rgba(28, 26, 23, 0.25);
  padding: 0.7rem 0.9rem;
  color: #1c1a17;
  font-weight: 400;
}
.field::placeholder { color: rgba(28, 26, 23, 0.4); }
.field:focus { outline: 2px solid #29473c; outline-offset: 1px; border-color: transparent; }

.qty-btn {
  width: 1.6rem; height: 1.6rem; line-height: 1;
  border: 1px solid #29473c; color: #29473c; background: none;
  font-weight: 500;
}
.qty-btn:hover { background: #29473c; color: #f5efe3; }

/* typographic book covers */
.cover {
  position: relative;
  aspect-ratio: 5 / 7;
  padding: 0.55rem;
  cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.25s;
  box-shadow: 2px 3px 0 rgba(28, 26, 23, 0.18);
}
.cover:hover { transform: translateY(-5px) rotate(-0.5deg); box-shadow: 4px 8px 18px rgba(28, 26, 23, 0.25); }
.cover::before {
  /* spine */
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 7px;
  background: rgba(0, 0, 0, 0.22);
}
.cover-inner {
  height: 100%; display: flex; flex-direction: column;
  border: 1px solid currentColor;
  padding: 1rem 0.9rem 0.9rem;
  text-align: center;
}
.cover-top {
  font-size: 0.56rem; letter-spacing: 0.22em; text-transform: uppercase;
  opacity: 0.75; padding-bottom: 0.6rem;
  border-bottom: 1px solid currentColor;
}
.cover-title {
  font-family: "Libre Caslon Text", Georgia, serif;
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  line-height: 1.25; text-wrap: balance;
  margin: auto 0; padding: 0.6rem 0;
}
.cover-author {
  font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
  opacity: 0.85; padding-bottom: 0.7rem;
}
.cover-foot {
  display: flex; justify-content: space-between; align-items: center;
  border-top: 1px solid currentColor; padding-top: 0.55rem;
  font-size: 0.66rem; letter-spacing: 0.06em;
}
.cover .price-stamp { font-weight: 600; }

/* category palettes */
.cat-fiction            { background: #1c1a17; color: #f5efe3; }
.cat-history--politics  { background: #29473c; color: #f5efe3; }
.cat-children           { background: #fffdf8; color: #1c1a17; }
.cat-children .cover-inner { border-color: #a33327; }
.cat-children .cover-top, .cat-children .cover-foot { border-color: rgba(163, 51, 39, 0.5); color: #a33327; }
.cat-pakistan-studies   { background: #a33327; color: #f5efe3; }

/* staff pick note cards */
.pick-note {
  background: #fffdf8;
  border: 1px solid rgba(28, 26, 23, 0.15);
  box-shadow: 3px 4px 0 rgba(28, 26, 23, 0.12);
  transform: rotate(0.6deg);
}
.pick-note:nth-child(even) { transform: rotate(-0.7deg); }

/* scroll reveal */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity 0.7s, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1); }
.reveal.in { opacity: 1; transform: none; }

/* reservation tracker */
#timeline { display: flex; flex-wrap: wrap; margin: 1.5rem 0 1rem; }
.track-step {
  position: relative; flex: 1; min-width: 6.5rem; padding: 1.4rem 0.5rem 0;
  color: rgba(28, 26, 23, 0.5); font-size: 0.85rem; text-align: center;
}
.track-step::before {
  content: ""; position: absolute; top: 5px; left: 0; right: 0; height: 2px;
  background: rgba(28, 26, 23, 0.18);
}
.track-dot {
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 12px; height: 12px; border-radius: 50%;
  background: #f5efe3; border: 2px solid rgba(28, 26, 23, 0.35);
}
.track-step.done { color: #1c1a17; }
.track-step.done::before { background: #29473c; }
.track-step.done .track-dot { background: #29473c; border-color: #29473c; }
.track-step.now { color: #a33327; font-weight: 600; }
.track-step.now .track-dot {
  background: #a33327; border-color: #a33327;
  animation: ping 1.8s ease-out infinite;
}
@keyframes ping {
  70% { box-shadow: 0 0 0 12px rgba(163, 51, 39, 0); }
  100% { box-shadow: 0 0 0 0 rgba(163, 51, 39, 0); }
}

/* hero image treatment */
.hero-img { position: absolute; inset: 0; }
.hero-img img { width: 100%; height: 100%; object-fit: cover; }
.hero-img::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(28, 26, 23, 0.5) 0%, rgba(28, 26, 23, 0.72) 65%, rgba(28, 26, 23, 0.9) 100%);
}

/* spine divider between sections */
.spine-rule {
  height: 14px;
  background: repeating-linear-gradient(90deg,
    #29473c 0 42px, #1c1a17 42px 70px, #a33327 70px 96px,
    #29473c 96px 150px, #1c1a17 150px 175px);
  opacity: 0.85;
}

.cart-pulse { animation: cartpulse 0.45s ease; }
@keyframes cartpulse { 40% { transform: scale(1.15); } }

@media (prefers-reduced-motion: reduce) {
  .track-step.now .track-dot { animation: none; }
  .reveal { transition: none; opacity: 1; transform: none; }
  .cover, .cover:hover { transition: none; transform: none; }
}