/*!
 * SR7 PDF Viewer — Stylesheet
 * SR7Themes (sr7themes.eu.org)
 *
 * Namespaced entirely under .sr7-pdf-viewer so it never leaks into or
 * collides with Plus UI theme rules. Every color/spacing value is a CSS
 * custom property so the whole look can be re-themed from one place.
 */

.sr7-pdf-viewer {
  /* ---- Light theme tokens (defaults) ---- */
  --sr7-bg: #ffffff;
  --sr7-card: #f5f6f8;
  --sr7-border: rgba(0, 0, 0, 0.08);
  --sr7-primary: #0b8877;
  --sr7-primary-contrast: #ffffff;
  --sr7-text: #1c1c1e;
  --sr7-text-secondary: rgba(28, 28, 30, 0.62);
  --sr7-text-tertiary: rgba(28, 28, 30, 0.38);
  --sr7-shadow: 0 10px 30px rgba(0, 0, 0, 0.10), 0 2px 8px rgba(0, 0, 0, 0.04);
  --sr7-radius-lg: 18px;
  --sr7-radius-md: 12px;
  --sr7-radius-sm: 8px;
  --sr7-toolbar-bg: rgba(255, 255, 255, 0.78);
  --sr7-overlay: rgba(20, 20, 22, 0.44);
  --sr7-scrim: rgba(0, 0, 0, 0.06);
  --sr7-accent-soft: rgba(11, 136, 119, 0.12);
  --sr7-danger: #e5484d;
  --sr7-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --sr7-fast: 140ms;
  --sr7-med: 240ms;
  --sr7-mark-bg: rgba(255, 214, 10, 0.55);
  --sr7-mark-bg-active: rgba(255, 149, 0, 0.75);

  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 720px;
  max-height: 88vh;
  background: var(--sr7-bg);
  border: 1px solid var(--sr7-border);
  border-radius: var(--sr7-radius-lg);
  box-shadow: var(--sr7-shadow);
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", Roboto, sans-serif;
  color: var(--sr7-text);
  isolation: isolate;
}

/* ---- Dark mode: support both class casings used across SR7Themes ---- */
.drK .sr7-pdf-viewer,
.drk .sr7-pdf-viewer,
body.drK .sr7-pdf-viewer,
body.drk .sr7-pdf-viewer,
.sr7-pdf-viewer.drK,
.sr7-pdf-viewer.drk {
  --sr7-bg: #1c1c1e;
  --sr7-card: #242426;
  --sr7-border: rgba(255, 255, 255, 0.09);
  --sr7-primary: #17c7ac;
  --sr7-primary-contrast: #08201c;
  --sr7-text: #f2f2f7;
  --sr7-text-secondary: rgba(242, 242, 247, 0.62);
  --sr7-text-tertiary: rgba(242, 242, 247, 0.38);
  --sr7-shadow: 0 10px 34px rgba(0, 0, 0, 0.55);
  --sr7-toolbar-bg: rgba(28, 28, 30, 0.72);
  --sr7-overlay: rgba(0, 0, 0, 0.62);
  --sr7-scrim: rgba(255, 255, 255, 0.05);
  --sr7-accent-soft: rgba(23, 199, 172, 0.16);
  --sr7-mark-bg: rgba(255, 214, 10, 0.35);
  --sr7-mark-bg-active: rgba(255, 149, 0, 0.55);
}

.sr7-pdf-viewer * { box-sizing: border-box; }

.sr7-pdf-viewer.sr7-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 2147483000;
  width: 100vw;
  height: 100vh;
  max-height: 100vh;
  border-radius: 0;
  border: none;
}

/* ================= Toolbar ================= */
.sr7-pdf-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  background: var(--sr7-toolbar-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--sr7-border);
  position: relative;
  z-index: 5;
  flex: 0 0 auto;
}

.sr7-pdf-toolbar-group {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.sr7-pdf-toolbar-left { flex: 1 1 auto; min-width: 0; }
.sr7-pdf-toolbar-center { flex: 0 0 auto; }
.sr7-pdf-toolbar-right { flex: 1 1 auto; justify-content: flex-end; }

.sr7-pdf-title {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--sr7-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 240px;
}

.sr7-pdf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: var(--sr7-radius-sm);
  color: var(--sr7-text-secondary);
  cursor: pointer;
  transition: background var(--sr7-fast) var(--sr7-ease), color var(--sr7-fast) var(--sr7-ease), transform var(--sr7-fast) var(--sr7-ease);
  flex: 0 0 auto;
}
.sr7-pdf-btn svg { width: 18px; height: 18px; display: block; }
.sr7-pdf-btn:hover { background: var(--sr7-scrim); color: var(--sr7-text); }
.sr7-pdf-btn:active { transform: scale(0.92); }
.sr7-pdf-btn:focus-visible { outline: 2px solid var(--sr7-primary); outline-offset: 2px; }
.sr7-pdf-btn[disabled] { opacity: 0.32; cursor: default; pointer-events: none; }
.sr7-pdf-btn.sr7-active { background: var(--sr7-accent-soft); color: var(--sr7-primary); }

.sr7-pdf-pagejump {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--sr7-text-secondary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.sr7-pdf-pagenum {
  width: 42px;
  text-align: center;
  padding: 5px 4px;
  border: 1px solid var(--sr7-border);
  border-radius: var(--sr7-radius-sm);
  background: var(--sr7-card);
  color: var(--sr7-text);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.sr7-pdf-pagenum:focus-visible { outline: 2px solid var(--sr7-primary); outline-offset: 1px; }

.sr7-pdf-zoom-level {
  font-size: 12.5px;
  color: var(--sr7-text-secondary);
  min-width: 42px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  user-select: none;
}

/* Overflow / "more" menu */
.sr7-pdf-more-wrap { position: relative; }
.sr7-pdf-more-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 208px;
  background: var(--sr7-bg);
  border: 1px solid var(--sr7-border);
  border-radius: var(--sr7-radius-md);
  box-shadow: var(--sr7-shadow);
  padding: 6px;
  display: none;
  flex-direction: column;
  gap: 2px;
  z-index: 20;
}
.sr7-pdf-more-menu.sr7-open { display: flex; animation: sr7-pop-in var(--sr7-fast) var(--sr7-ease); }
.sr7-pdf-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--sr7-radius-sm);
  font-size: 13px;
  color: var(--sr7-text);
  background: transparent;
  border: none;
  width: 100%;
  cursor: pointer;
  text-align: left;
}
.sr7-pdf-menu-item svg { width: 16px; height: 16px; color: var(--sr7-text-secondary); flex: 0 0 auto; }
.sr7-pdf-menu-item:hover { background: var(--sr7-scrim); }
.sr7-pdf-menu-item.sr7-active { color: var(--sr7-primary); }
.sr7-pdf-menu-item.sr7-active svg { color: var(--sr7-primary); }

@keyframes sr7-pop-in {
  from { opacity: 0; transform: translateY(-4px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ================= Body layout ================= */
.sr7-pdf-body {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

/* ---- Sidebar (thumbnails) ---- */
.sr7-pdf-sidebar {
  width: 168px;
  flex: 0 0 168px;
  background: var(--sr7-card);
  border-right: 1px solid var(--sr7-border);
  overflow-y: auto;
  padding: 12px 10px;
  transition: margin-left var(--sr7-med) var(--sr7-ease), transform var(--sr7-med) var(--sr7-ease);
  scrollbar-width: thin;
}
.sr7-pdf-viewer[data-sidebar="closed"] .sr7-pdf-sidebar { margin-left: -168px; }

.sr7-pdf-thumb {
  position: relative;
  margin-bottom: 12px;
  border-radius: var(--sr7-radius-sm);
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  background: var(--sr7-bg);
  transition: border-color var(--sr7-fast) var(--sr7-ease);
}
.sr7-pdf-thumb.sr7-current { border-color: var(--sr7-primary); }
.sr7-pdf-thumb canvas { display: block; width: 100%; height: auto; }
.sr7-pdf-thumb-num {
  position: absolute;
  bottom: 4px;
  right: 6px;
  font-size: 10.5px;
  color: #fff;
  background: rgba(0, 0, 0, 0.55);
  padding: 1px 6px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
}
.sr7-pdf-thumb-placeholder {
  width: 100%;
  aspect-ratio: 0.77;
  background: linear-gradient(120deg, var(--sr7-scrim) 25%, var(--sr7-border) 37%, var(--sr7-scrim) 63%);
  background-size: 400% 100%;
  animation: sr7-shimmer 1.6s ease-in-out infinite;
}
@keyframes sr7-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

/* ---- Canvas / page area ---- */
.sr7-pdf-canvas-area {
  position: relative;
  flex: 1 1 auto;
  overflow: auto;
  scroll-behavior: smooth;
  background: var(--sr7-card);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 48px;
  min-width: 0;
}

.sr7-pdf-page {
  position: relative;
  margin-bottom: 20px;
  background: var(--sr7-bg);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.12);
  border-radius: 4px;
  overflow: hidden;
}
.drK .sr7-pdf-page, .drk .sr7-pdf-page { box-shadow: 0 2px 18px rgba(0, 0, 0, 0.5); }
.sr7-pdf-page canvas { display: block; }

.sr7-pdf-page-placeholder {
  background: linear-gradient(120deg, var(--sr7-scrim) 25%, var(--sr7-border) 37%, var(--sr7-scrim) 63%);
  background-size: 400% 100%;
  animation: sr7-shimmer 1.6s ease-in-out infinite;
}

/* Text layer for search + native text selection */
.sr7-pdf-text-layer {
  position: absolute;
  inset: 0;
  overflow: hidden;
  line-height: 1;
  opacity: 1;
}
.sr7-pdf-text-layer span {
  position: absolute;
  color: transparent;
  white-space: pre;
  cursor: text;
  transform-origin: 0 0;
}
.sr7-pdf-text-layer span.sr7-mark {
  background: var(--sr7-mark-bg);
  color: transparent;
  border-radius: 2px;
}
.sr7-pdf-text-layer span.sr7-mark.sr7-mark-active {
  background: var(--sr7-mark-bg-active);
}
.sr7-pdf-text-layer ::selection { background: rgba(11, 136, 119, 0.35); }

/* ================= Search bar ================= */
.sr7-pdf-search-bar {
  position: absolute;
  top: 12px;
  right: 16px;
  left: 16px;
  max-width: 380px;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--sr7-toolbar-bg);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  backdrop-filter: saturate(180%) blur(20px);
  border: 1px solid var(--sr7-border);
  border-radius: var(--sr7-radius-md);
  box-shadow: var(--sr7-shadow);
  padding: 6px 8px;
  z-index: 15;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--sr7-med) var(--sr7-ease), opacity var(--sr7-med) var(--sr7-ease);
}
.sr7-pdf-search-bar.sr7-open {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.sr7-pdf-search-input {
  flex: 1 1 auto;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 13.5px;
  color: var(--sr7-text);
  padding: 6px 4px;
}
.sr7-pdf-search-input:focus { outline: none; }
.sr7-pdf-search-count {
  font-size: 12px;
  color: var(--sr7-text-tertiary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  padding: 0 2px;
}

/* ================= Loading state ================= */
.sr7-pdf-loading {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--sr7-bg);
  z-index: 30;
}
.sr7-pdf-viewer[data-state="loading"] .sr7-pdf-loading { display: flex; }

.sr7-pdf-spinner {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 3px solid var(--sr7-border);
  border-top-color: var(--sr7-primary);
  animation: sr7-spin 0.85s linear infinite;
}
@keyframes sr7-spin { to { transform: rotate(360deg); } }
.sr7-pdf-loading-text {
  font-size: 13px;
  color: var(--sr7-text-secondary);
}

/* ================= Error state ================= */
.sr7-pdf-error {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  padding: 32px;
  background: var(--sr7-bg);
  z-index: 30;
}
.sr7-pdf-viewer[data-state="error"] .sr7-pdf-error { display: flex; }
.sr7-pdf-error svg { width: 40px; height: 40px; color: var(--sr7-danger); }
.sr7-pdf-error-title { font-size: 15px; font-weight: 600; color: var(--sr7-text); }
.sr7-pdf-error-detail { font-size: 13px; color: var(--sr7-text-secondary); max-width: 320px; }
.sr7-pdf-error-retry {
  margin-top: 6px;
  padding: 8px 18px;
  border-radius: 999px;
  border: none;
  background: var(--sr7-primary);
  color: var(--sr7-primary-contrast);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}
.sr7-pdf-error-retry:active { transform: scale(0.97); }

/* ================= Password gate ================= */
.sr7-pdf-password-gate {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--sr7-overlay);
  z-index: 40;
}
.sr7-pdf-viewer[data-state="password"] .sr7-pdf-password-gate { display: flex; }
.sr7-pdf-password-card {
  width: 280px;
  background: var(--sr7-bg);
  border-radius: var(--sr7-radius-lg);
  box-shadow: var(--sr7-shadow);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  animation: sr7-pop-in var(--sr7-med) var(--sr7-ease);
}
.sr7-pdf-password-card svg { width: 26px; height: 26px; color: var(--sr7-primary); }
.sr7-pdf-password-title { font-size: 14.5px; font-weight: 600; color: var(--sr7-text); }
.sr7-pdf-password-detail { font-size: 12.5px; color: var(--sr7-text-secondary); margin-bottom: 4px; }
.sr7-pdf-password-row {
  display: flex;
  align-items: center;
  width: 100%;
  border: 1px solid var(--sr7-border);
  border-radius: var(--sr7-radius-sm);
  background: var(--sr7-card);
  overflow: hidden;
}
.sr7-pdf-password-input {
  flex: 1 1 auto;
  border: none;
  background: transparent;
  padding: 9px 10px;
  font-size: 13.5px;
  color: var(--sr7-text);
  min-width: 0;
}
.sr7-pdf-password-input:focus { outline: none; }
.sr7-pdf-password-toggle {
  border: none;
  background: transparent;
  padding: 0 10px;
  color: var(--sr7-text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
}
.sr7-pdf-password-toggle svg { width: 16px; height: 16px; }
.sr7-pdf-password-submit {
  margin-top: 6px;
  width: 100%;
  padding: 9px 0;
  border: none;
  border-radius: var(--sr7-radius-sm);
  background: var(--sr7-primary);
  color: var(--sr7-primary-contrast);
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
}
.sr7-pdf-password-submit:active { transform: scale(0.98); }
.sr7-pdf-password-error {
  font-size: 12px;
  color: var(--sr7-danger);
  min-height: 16px;
}

/* ================= Mobile responsive ================= */
@media (max-width: 720px) {
  .sr7-pdf-title { max-width: 120px; }
  .sr7-pdf-pagejump { font-size: 12px; }
  .sr7-pdf-search-bar { left: 8px; right: 8px; max-width: none; }

  .sr7-pdf-sidebar {
    position: absolute;
    inset: 0 auto 0 0;
    z-index: 25;
    width: 76%;
    max-width: 260px;
    flex: 0 0 auto;
    box-shadow: var(--sr7-shadow);
    transform: translateX(-100%);
    margin-left: 0;
  }
  .sr7-pdf-viewer[data-sidebar="open"] .sr7-pdf-sidebar { transform: translateX(0); }
  .sr7-pdf-viewer[data-sidebar="open"] .sr7-pdf-canvas-area::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--sr7-overlay);
    z-index: 20;
  }

  /* Collapse secondary toolbar controls into the overflow menu on mobile */
  .sr7-pdf-toolbar [data-mobile-hide="true"] { display: none; }
}

@media (max-width: 420px) {
  .sr7-pdf-title { display: none; }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .sr7-pdf-viewer, .sr7-pdf-viewer * {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}