/* anim.css v6 — Ultra-Premium Torn Paper Notebook Framework */

:root {
  --anim-bg-main: #ffffff;
  --anim-bg-paper: #f9f9f5; 
  --anim-paper-line: rgba(70, 90, 110, 0.12); /* Slightly darker/blueish for better survival in scaling */
  --anim-accent: #34495e; /* Premium Slate Ink */
  --anim-text-bold: #1a1a1a;
  --anim-text-soft: #444444;
  --anim-text-dim: #95a5a6;
  --anim-radius: 2px;
  --anim-border-subtle: rgba(0, 0, 0, 0.05);
  --anim-ink-filter: url(#ink-bleed);
}

[data-theme='dark'] {
  --anim-bg-paper: #121212;
  --anim-paper-line: rgba(255, 255, 255, 0.03);
  --anim-accent: #ecf0f1;
  --anim-text-bold: #ffffff;
  --anim-text-soft: #cccccc;
  --anim-text-dim: #7f8c8d;
}

.anim-card {
  position: relative;
  margin: 60px 0;
  background: var(--anim-bg-main);
  border: 1px solid var(--anim-border-subtle);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  font-family: 'Kalam', cursive;
}

.anim-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--anim-bg-main);
  border-bottom: 1px solid var(--anim-border-subtle);
  z-index: 10;
}

.anim-card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--anim-text-bold);
  font-family: 'Kalam', cursive;
}

.anim-card-fs {
  background: none;
  border: 1px solid var(--anim-border-subtle);
  color: var(--anim-text-dim);
  padding: 2px 10px;
  border-radius: 4px;
  font-size: 0.65rem;
  cursor: pointer;
  transition: opacity 0.2s;
}

.anim-card-fs:hover { opacity: 0.7; }

/* ── 16:9 Staging ── */

.anim-stage-outer {
  position: relative;
  width: 100%;
  background: var(--anim-bg-main);
  overflow: hidden;
}

.anim-stage-inner {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}

.anim-viewport {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 1920px;
  height: 1080px;
  transform: translate(-50%, -50%);
  transform-origin: center center;
  overflow: hidden;
  background-color: var(--anim-bg-paper);
}

/* Notebook Lines (Highly Visible but Premium) */
.anim-viewport::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  /* Using a solid 2px line at 1920 coordinates ensures it stays visible when scaled down */
  background: linear-gradient(to bottom, var(--anim-paper-line) 2px, transparent 2px);
  background-size: 100% 40px;
  pointer-events: none;
}

.anim-card.fullscreen {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 10000;
  margin: 0;
  background: var(--anim-bg-main);
}

.anim-card.fullscreen .anim-stage-outer {
  height: calc(100vh - 60px);
}

.anim-card.fullscreen .anim-stage-inner {
  height: 100%;
}

/* Smooth Premium Grain */
.anim-viewport::after {
  content: "";
  position: absolute;
  top:0; left:0; width:100%; height:100%;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='paperNoise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.04' numOctaves='5' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paperNoise)'/%3E%3C/svg%3E");
  opacity: 0.08;
  mix-blend-mode: overlay;
}

/* ── Torn Paper ── */

.anim-torn-paper {
  position: absolute;
  background: #ffffff;
  padding: 40px;
  box-shadow: 0 15px 50px rgba(0,0,0,0.12), 0 5px 15px rgba(0,0,0,0.05);
  transform-origin: center center;
  z-index: 5;
  overflow: visible;
}

[data-theme='dark'] .anim-torn-paper {
  background: #2c2c2e; /* Noticeably different from #121212 */
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* ── Hand-Drawn / Ink Effects ── */

.anim-ink-text {
  filter: var(--anim-ink-filter);
}

.anim-sketch-path {
  fill: none;
  stroke: var(--anim-accent);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: var(--anim-ink-filter);
}

/* ── Elements ── */

.anim-glass {
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(2px);
  border: 1px solid var(--anim-border-subtle);
}

/* ── 3D Typing Box ── */

.anim-tcolorbox-v4 {
  width: 1000px;
  padding: 60px;
}

.anim-typing-line-v4 {
  font-family: 'Kalam', cursive;
  font-size: 3.4rem;
  line-height: 1.4;
  margin-bottom: 20px;
  color: var(--anim-text-bold);
  white-space: pre;
}

.anim-cursor-v4 {
  display: inline-block;
  width: 2px;
  height: 3.2rem;
  background: var(--anim-accent);
  vertical-align: middle;
  margin-left: 5px;
}

/* ── Boom v4 ── */

.anim-boom-v4 {
  font-size: 14rem;
  font-weight: 700;
  font-family: 'Kalam', cursive;
  color: var(--anim-accent);
  filter: var(--anim-ink-filter);
  transform: rotate(-2deg);
}

/* ── Table v4 ── */

.anim-table-v4 {
  width: 100%;
  border-collapse: collapse;
}

.anim-table-v4 th {
  padding: 15px;
  text-align: left;
  font-size: 1.2rem;
  color: var(--anim-text-dim);
  border-bottom: 2px solid var(--anim-accent);
  font-family: 'Kalam', cursive;
}

.anim-table-v4 td {
  padding: 15px 12px;
  font-size: 1.6rem;
  color: var(--anim-text-bold);
  border-bottom: 1px solid var(--anim-paper-line);
}

/* ── Tree v4 ── */
.tree-node {
  filter: var(--anim-ink-filter);
}

/* ── Flow v4 ── */
.anim-flow-step {
  padding: 40px 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* SVG based, styled in JS */

/* ── Lower Third v4 ── */

.anim-lt-v4 {
  display: flex;
  flex-direction: column;
  justify-content: center; /* Center content vertically in the slip */
  height: 100%;
  padding-left: 40px;
  border-left: 10px solid var(--anim-accent);
}

.anim-lt-name-v4 {
  font-family: 'Kalam', cursive;
  font-size: 4.8rem;
  font-weight: 700;
  color: var(--anim-text-bold);
  line-height: 1.1;
  margin-bottom: 5px;
}

.anim-lt-sub-v4 {
  font-family: 'Kalam', cursive;
  font-size: 2.8rem;
  color: var(--anim-text-dim);
  font-style: italic;
}

/* ── Responsive Scale ── */

@media (max-width: 1200px) {
  .anim-card { margin: 40px 0; }
}