/* Simple presentation styles for slide deck */
:root {
  --bg: #f7fbff;
  --card: #fff;
  --accent: #4a90e2;
  --muted: #666;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

* {
  box-sizing: border-box
}

html,
body {
  height: 100%;
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: var(--bg);
  color: #111
}

.presentation-container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 20px
}

/* Slides index layout */
.slides-index {
  background: var(--card);
  border-radius: 12px;
  padding: 22px;
  box-shadow: var(--shadow);
  margin-top: 12px
}

.slides-index h1 {
  color: var(--accent);
  margin: 0
}

.slide-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
  margin-top: 12px
}

.slide-card {
  padding: 12px;
  border-radius: 10px;
  background: linear-gradient(180deg, #fff, #fbfdff);
  border: 1px solid #eef6ff
}

.slide-card a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none
}

.slide-card p {
  color: var(--muted);
  margin-top: 6px;
  font-size: 0.95rem
}

.slide {
  display: none;
  background: var(--card);
  border-radius: 12px;
  padding: 48px 40px;
  box-shadow: var(--shadow);
  min-height: 420px;
  transition: transform 320ms ease, opacity 320ms ease
}

.slide.active {
  display: block;
  opacity: 1
}

.slide h1,
.slide h2 {
  margin: 0 0 12px;
  font-weight: 700;
  color: var(--accent)
}

.slide p {
  color: var(--muted);
  line-height: 1.6
}

.slide ul {
  margin: 8px 0 0 18px
}

.controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 18px
}

.controls button {
  border: none;
  background: var(--accent);
  color: white;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 20px;
  cursor: pointer
}

#slideCounter {
  font-weight: 600;
  color: #333
}

.progress-bar {
  height: 8px;
  background: #e6eefb;
  border-radius: 999px;
  margin-top: 18px;
  overflow: hidden
}

.progress-bar>i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #bb5f5f);
  width: 0;
  transition: width 320ms ease
}

/* Slide reveal & fragment animations */
.slide {
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity 440ms cubic-bezier(.2, .9, .2, 1), transform 440ms cubic-bezier(.2, .9, .2, 1);
  pointer-events: none
}

.slide.active {
  opacity: 1;
  visibility: visible;
  transform: none;
  pointer-events: auto
}

/* Heading reveal (fades in first) */
.slide .content h1,
.slide .content h2 {
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 360ms ease, transform 360ms ease
}

.slide .content .heading-revealed {
  opacity: 1;
  transform: none
}

/* Fragment items (list items, paragraphs etc.) */
.fragment {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 320ms ease, transform 320ms ease
}

.fragment.visible {
  opacity: 1;
  transform: none
}

/* small stagger when revealing list items */
.fragment {
  --delay: 0ms
}

.fragment.visible {
  transition-delay: var(--delay)
}

/* Respect users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {

  .slide,
  .slide * {
    transition: none !important
  }

  .slide {
    opacity: 1;
    visibility: visible;
    transform: none
  }

  .fragment {
    opacity: 1;
    transform: none
  }

  .slide .content h1,
  .slide .content h2 {
    opacity: 1;
    transform: none
  }
}

/* small screens */
@media (max-width:800px) {
  .presentation-container {
    padding: 12px
  }

  .slide {
    padding: 24px
  }

  .slide h1 {
    font-size: 24px
  }
}

/* accessibility focus */
.slide:focus {
  outline: 3px solid rgba(74, 144, 226, 0.25)
}

/* keyboard hint */
.hint {
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
  margin-top: 10px
}

/* print-friendly minimal */
@media print {
  body {
    background: white
  }

  .controls,
  .progress-bar {
    display: none
  }

  .slide {
    page-break-after: always
  }
}
/* masterslide css */
        .master-actions {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 12px
        }

        .btn {
            background: var(--accent);
            color: #fff;
            padding: 8px 12px;
            border-radius: 8px;
            border: none;
            cursor: pointer
        }

        .btn.secondary {
            background: #eef6ff;
            color: var(--accent);
            border: 1px solid #d8ebff
        }

        .third-list {
            margin-top: 12px;
            display: grid;
            gap: 8px
        }

        .third-item {
            padding: 10px;
            border-radius: 8px;
            background: #fff;
            border: 1px solid #eef6ff;
            display: flex;
            justify-content: space-between;
            align-items: center
        }

        .third-item a {
            color: var(--accent);
            font-weight: 600
        }

        .small-note {
            color: var(--muted);
            font-size: 0.95rem
        }

        .form-row {
            display: flex;
            gap: 8px;
            margin-top: 10px
        }

        .form-row input {
            flex: 1;
            padding: 8px;
            border-radius: 6px;
            border: 1px solid #e6eefb
        }