/* ===========================
   PRODUCT PAGE STYLES
   =========================== */

:root {
  --accent1: #ffb347; /* yellowish orange */
  --accent2: #ff7e00;
  --black: #000;
}

/* GLOBAL */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: sans-serif;
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #ffffff;
}

.no-scroll {
  overflow: hidden;
  height: 100vh;
}

/* HEADER */
.pdf-header {
  width: 100%;
  background: var(--accent1);
  padding: 12px 0;
  border-bottom: 2px solid rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.pdf-header .container {
  width: 92%;
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pdf-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.pdf-header .logo {
  width: 50px;
  height: 50px;
  border-radius: 6px;
}

.pdf-header .brand-text {
  text-align: left;
}

.pdf-header .brand-text h1,
.pdf-header .brand-text p {
  margin: 0;
  color: var(--black);
}

/* NAV & SEARCH WRAPPER */
.nav-search-wrapper {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 18px;
}

.pdf-header .main-nav {
  display: flex;
  gap: 18px;
}

.pdf-header .main-nav a {
  color: var(--black);
  text-decoration: none;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
}

.pdf-header .main-nav a:hover {
  background: rgba(0, 0, 0, 0.08);
}

/* --- SEARCH BAR STYLES --- */
.search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input {
  padding: 8px 12px 8px 36px; /* Space for icon */
  border-radius: 20px;
  border: 1px solid rgba(0,0,0,0.2);
  outline: none;
  font-size: 14px;
  width: 200px;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.6);
}

.search-input:focus {
  background: #fff;
  border-color: var(--black);
  width: 240px; /* Expands on focus */
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.search-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  fill: var(--black);
  opacity: 0.6;
  pointer-events: none;
}

/* PDF CONTAINER */
#pdf-container {
  width: 100%;
  max-width: 900px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  padding: 24px 0;
}

/* PDF CANVASES */
canvas {
  width: 100%;
  height: auto !important;
  background: transparent !important;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  opacity: 0;
  transition: opacity 0.4s ease, transform 0.3s ease, box-shadow 0.3s ease;
  border-radius: 4px;
}

canvas.visible {
  opacity: 1;
}

/* Search Match Highlight */
canvas.highlight-match {
  transform: scale(1.02);
  box-shadow: 0 0 0 4px var(--accent2), 0 12px 24px rgba(0,0,0,0.2);
}

/* LOADING OVERLAY */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.97);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

#loading-gif {
  width: 220px;
  height: 220px;
  mix-blend-mode: multiply;
}

#loading-text {
  margin-top: 14px;
  font-size: 18px;
  font-weight: 600;
  color: var(--black);
}

#loading-percent {
  margin-top: 6px;
  font-size: 20px;
  font-weight: bold;
  opacity: 0.7;
  color: var(--black);
}

#loading-overlay.hidden {
  display: none;
}

/* RESPONSIVE */
@media (max-width: 750px) {
  .pdf-header .container {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .nav-search-wrapper {
    margin: 0;
    flex-direction: column;
    width: 100%;
  }

  .search-input { width: 100%; }
  .search-input:focus { width: 100%; }
}