/* ==========================================================================
   E-Library Landing Page — elibrary.css
   Scoped styles for the redesigned E-Library page.
   ========================================================================== */

/* ---- Hero ---- */
.elib-hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-16) var(--space-4) var(--space-12);
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 20%, var(--color-navy-mid) 0%, transparent 70%),
    linear-gradient(170deg, var(--color-navy-mid) 0%, var(--color-navy-dark) 80%);
}

.elib-hero__bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0.06;
}

.elib-hero__icon {
  width: 420px;
  height: 420px;
  color: var(--color-gold);
}

.elib-hero__inner {
  position: relative;
  z-index: 1;
}

.elib-hero__breadcrumb {
  margin-bottom: var(--space-4);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

.elib-hero__breadcrumb a {
  color: var(--color-gold);
  font-weight: var(--font-weight-medium);
}

.elib-hero__title {
  margin-bottom: var(--space-4);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-gold);
  line-height: 1.1;
}

.elib-hero__subtitle {
  max-width: 38rem;
  margin: 0 auto var(--space-8);
  font-size: var(--font-size-h3);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}

/* ---- Features Grid ---- */
.elib-features__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 600px) {
  .elib-features__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .elib-features__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.elib-feature {
  padding: var(--space-6);
  background-color: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-md);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.elib-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.elib-feature__icon {
  display: block;
  margin-bottom: var(--space-3);
  font-size: 2.5rem;
}

.elib-feature__title {
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gold);
}

.elib-feature__text {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}

/* ---- How It Works Steps ---- */
.elib-steps {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  counter-reset: elib-step;
}

@media (min-width: 768px) {
  .elib-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

.elib-step {
  position: relative;
  padding: var(--space-6);
  padding-top: var(--space-8);
  background-color: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-md);
  text-align: center;
}

.elib-step__num {
  position: absolute;
  top: -1.1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background-color: var(--color-gold);
  color: var(--color-navy-dark);
  font-weight: var(--font-weight-bold);
  font-size: 1rem;
}

.elib-step__title {
  margin-bottom: var(--space-2);
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
}

.elib-step__text {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}

/* ---- Access / Gate Card ---- */
.elib-gate__card {
  max-width: 28rem;
  margin: 0 auto;
  padding: var(--space-8);
  background-color: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-top: 3px solid var(--color-gold);
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.elib-gate__lock {
  display: block;
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}

.elib-gate__text {
  margin-bottom: var(--space-6);
  color: var(--color-text-secondary);
  line-height: var(--line-height-body);
}

.elib-gate__text strong {
  color: var(--color-gold);
}

.elib-gate__status {
  margin-top: var(--space-4);
  font-size: var(--font-size-small);
}

.elib-gate__status.is-error {
  color: #e06060;
}

/* ---- Protected Content ---- */
.elib-welcome {
  margin-bottom: var(--space-4);
  color: var(--color-gold);
  font-weight: var(--font-weight-semibold);
}

.elib-drive {
  margin: var(--space-6) 0;
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-md);
  overflow: hidden;
}

.elib-drive__frame {
  display: block;
  width: 100%;
  min-height: 480px;
  border: none;
  background-color: var(--color-navy-dark);
}

.elib-drive__fallback {
  margin-top: var(--space-3);
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

/* ---- Back section ---- */
.elib-back {
  border-bottom: none;
}

/* ---- Breadcrumb (folder navigation) ---- */
.elib-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem;
  margin-bottom: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-sm);
}

.elib-breadcrumb__item {
  background: none;
  border: none;
  color: var(--color-gold);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: var(--border-radius-sm);
  transition: background 0.2s ease;
}

.elib-breadcrumb__item:hover {
  background: rgba(200, 162, 74, 0.15);
}

.elib-breadcrumb__sep {
  color: var(--color-text-secondary);
  font-size: var(--font-size-small);
}

/* ---- File Browser Grid ---- */
.elib-browser__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-4);
}

.elib-browser__loading {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-secondary);
}

.elib-browser__empty,
.elib-browser__error {
  text-align: center;
  padding: var(--space-8);
  color: var(--color-text-secondary);
}

.elib-browser__error {
  color: #e06060;
}

.elib-file {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  background-color: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  text-align: center;
  width: 100%;
}

.elib-file:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  border-color: var(--color-gold);
}

.elib-file--folder {
  border-left: 3px solid var(--color-gold);
}

.elib-file__icon {
  font-size: 2.2rem;
}

.elib-file__name {
  font-size: var(--font-size-small);
  color: var(--color-text-primary);
  word-break: break-word;
  line-height: 1.3;
  max-height: 3.9em;
  overflow: hidden;
}

/* ---- Inline Document Viewer ---- */
.elib-viewer {
  margin-top: var(--space-4);
}

.elib-viewer__toolbar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-navy-mid);
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-sm);
}

.elib-viewer__filename {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.elib-viewer__frame {
  display: block;
  width: 100%;
  min-height: 75vh;
  border: 1px solid var(--color-navy-light);
  border-radius: var(--border-radius-md);
  background-color: var(--color-navy-dark);
}

/* Small button variant */
.btn--sm {
  padding: 0.4rem 0.9rem;
  font-size: var(--font-size-small);
}