/* ============ Chapter 02 — GFG Campus Body, BU Jhansi ============ */

/* Screen-reader / SEO only — invisible but readable by crawlers and assistive tech */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

@font-face {
  font-family: "Montserrat";
  src: url("assets/fonts/montserrat-var.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Nunito";
  src: url("assets/fonts/nunito-var.woff2") format("woff2");
  font-weight: 200 1000; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-400.woff2") format("woff2");
  font-weight: 400; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-500.woff2") format("woff2");
  font-weight: 500; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-700.woff2") format("woff2");
  font-weight: 700; font-style: normal; font-display: swap;
}

:root {
  --bg: #0b0f0c;
  --surface: #101613;
  --surface-2: #141b16;
  --line: rgba(242, 245, 241, 0.09);
  --text: #f2f5f1;
  --muted: #9aa5a0;
  --accent: #2f8d46;
  --accent-hi: #43c465;
  --accent-deep: #0d2b16;
  --ink-on-accent: #07130b;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --radius: 16px;
  --nav-h: 68px;
  --maxw: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }

.mono {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ---------- buttons (pill rule) ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 500;
  font-size: 1rem;
  line-height: 1;
  padding: 15px 28px;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 160ms var(--ease-out), background 200ms ease, border-color 200ms ease;
}
.btn-primary {
  background: var(--accent-hi);
  color: var(--ink-on-accent);
  font-weight: 700;
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { background: #55d475; }
}
.btn-ghost {
  border-color: rgba(242, 245, 241, 0.22);
  color: var(--text);
}
@media (hover: hover) and (pointer: fine) {
  .btn-ghost:hover { border-color: var(--accent-hi); color: var(--accent-hi); }
}
.btn:active { transform: scale(0.97); }
.btn-sm { padding: 11px 20px; font-size: 0.9rem; }
.btn-lg { padding: 18px 38px; font-size: 1.08rem; }

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-h);
  background: rgba(11, 15, 12, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 32px;
}
.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  line-height: 1.1;
}
.wordmark-mark {
  height: 36px;
  width: auto;
  display: block;
}
.wordmark-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.wordmark-name {
  font-family: "Nunito", sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
  color: var(--text);
}
.wordmark-name .for-green { color: var(--accent-hi); }
.wordmark-sub {
  font-family: "Montserrat", sans-serif;
  font-size: 0.62rem;
  font-weight: 300;
  letter-spacing: 0.42em;
  color: #a7bcb0;
  text-transform: uppercase;
}
.wordmark-sub-short { display: none; }
.wordmark-gfg { color: var(--accent-hi); }
.wordmark-x { color: var(--muted); font-weight: 400; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  font-size: 0.95rem;
  color: var(--muted);
  transition: color 180ms ease;
}
@media (hover: hover) and (pointer: fine) {
  .nav-links a:hover { color: var(--text); }
}
.nav-cta { display: block; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 200ms var(--ease-out), opacity 200ms ease;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  min-height: calc(100dvh - var(--nav-h));
  display: flex;
  align-items: center;
  padding: 48px 0 64px;
}
.ghost-numeral {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(280px, 38vw, 560px);
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 2px rgba(67, 196, 101, 0.13);
  user-select: none;
  pointer-events: none;
  letter-spacing: -0.05em;
}
.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}
.eyebrow {
  color: var(--accent-hi);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.72rem;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(3.2rem, 7.2vw, 5.6rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.hero-title .accent { color: var(--accent-hi); }
.hero-sub {
  color: var(--muted);
  font-size: 1.12rem;
  line-height: 1.55;
  max-width: 34ch;
  margin-bottom: 32px;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.poster-card {
  transform: rotate(2.5deg);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(67, 196, 101, 0.25);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55), 0 0 60px rgba(47, 141, 70, 0.18);
  max-width: 420px;
  margin-left: auto;
  transition: transform 300ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .poster-card:hover { transform: rotate(0deg) translateY(-4px); }
}
.poster-card img { width: 100%; aspect-ratio: 900 / 1273; object-fit: cover; }

/* hero entrance */
@keyframes rise {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-anim {
  opacity: 0;
  animation: rise 800ms var(--ease-out) forwards;
  animation-delay: var(--hd, 0ms);
}
.hero-visual.hero-anim { animation-name: rise-tilt; }
@keyframes rise-tilt {
  from { opacity: 0; transform: translateY(28px) rotate(2.5deg); }
  to { opacity: 1; transform: translateY(0) rotate(2.5deg); }
}

/* ---------- marquee ---------- */
.marquee {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding: 16px 0;
  background: var(--surface);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee 30s linear infinite;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.marquee-track span { white-space: nowrap; }
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ---------- sections ---------- */
.section { padding: 104px 0; scroll-margin-top: 84px; }
.thanks { scroll-margin-top: 84px; }
.section-title {
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin-bottom: 14px;
}
.section-sub { color: var(--muted); font-size: 1.05rem; margin-bottom: 40px; }

/* about: vertical stack + numbered rows */
.about-lede {
  font-size: 1.25rem;
  line-height: 1.6;
  max-width: 44ch;
  margin: 22px 0 56px;
  color: var(--text);
}
.pillars { border-top: 1px solid var(--line); }
.pillar {
  display: flex;
  gap: 28px;
  align-items: baseline;
  padding: 30px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 200ms ease, padding-left 250ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .pillar:hover { background: rgba(67, 196, 101, 0.04); padding-left: 14px; }
}
.pillar-num { color: var(--accent-hi); font-size: 0.85rem; font-weight: 700; }
.pillar h3 { font-size: 1.35rem; font-weight: 500; letter-spacing: -0.01em; margin-bottom: 6px; }
.pillar p { color: var(--muted); font-size: 1rem; }

/* leaders: 2 asymmetric feature cards */
.leader-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 48px;
}
.leader-card {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform 250ms var(--ease-out), border-color 250ms ease;
}
@media (hover: hover) and (pointer: fine) {
  .leader-card:hover { transform: translateY(-4px); border-color: rgba(67, 196, 101, 0.35); }
}
.leader-flip { grid-template-columns: 1fr 220px; }
.leader-flip .leader-photo { order: 2; }
.leader-photo {
  border-radius: 12px;
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.leader-photo img { width: 100%; height: 100%; object-fit: cover; }
.leader-role { color: var(--accent-hi); text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.7rem; margin-bottom: 10px; }
.leader-info h3 { font-size: 1.7rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 8px; }
.leader-line { color: var(--muted); }

/* core team: horizontal scroll-snap */
.snap-viewport { overflow: visible; }
.snap-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 8px 4px 24px;
  margin: 0 -4px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) transparent;
}
.snap-row::-webkit-scrollbar { height: 6px; }
.snap-row::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
.member-card {
  flex: 0 0 250px;
  scroll-snap-align: start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 250ms var(--ease-out), border-color 250ms ease;
}
@media (hover: hover) and (pointer: fine) {
  .member-card:hover { transform: translateY(-4px); border-color: rgba(67, 196, 101, 0.35); }
}
.member-card img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; }
.member-card h3 { font-size: 1.12rem; font-weight: 500; padding: 18px 20px 4px; }
.member-card p { color: var(--accent-hi); text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.68rem; padding: 0 20px 20px; }

/* special thanks: quiet full-width band */
.thanks {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 72px 0;
}
.thanks-label {
  color: var(--accent-hi);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
  margin-bottom: 28px;
}
.thanks-person { display: flex; align-items: center; gap: 32px; }
.thanks-person img {
  width: 128px;
  height: 128px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(67, 196, 101, 0.4);
  flex-shrink: 0;
}
.thanks-person h3 { font-size: 1.6rem; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 6px; }
.thanks-person .mono { color: var(--muted); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.7rem; }
.thanks-line { color: var(--muted); margin-top: 10px; max-width: 52ch; }

/* events + film split */
.events-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: start;
}
.program-list { margin-top: 36px; border-top: 1px solid var(--line); }
.program-list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
}
.program-list h3 { font-size: 1.2rem; font-weight: 500; margin-bottom: 4px; }
.program-list li p { color: var(--muted); font-size: 0.95rem; }
.program-note {
  color: var(--accent-hi);
  text-transform: uppercase;
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  white-space: nowrap;
  flex-shrink: 0;
}
.film { justify-self: end; width: 100%; max-width: 320px; }
.phone-frame {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(67, 196, 101, 0.3);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.5), 0 0 50px rgba(47, 141, 70, 0.15);
  aspect-ratio: 9 / 16;
  background: #000;
}
.phone-frame video { width: 100%; height: 100%; object-fit: cover; }
.film-caption { text-align: center; color: var(--muted); margin-top: 14px; text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.68rem; }

/* learn: terminal link rows */
.terminal {
  background: #0d120e;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-top: 40px;
  overflow: hidden;
}
.terminal-bar {
  display: flex;
  gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
}
.terminal-bar span { width: 11px; height: 11px; border-radius: 50%; background: rgba(242, 245, 241, 0.14); }
.terminal-bar span:first-child { background: var(--accent); }
.terminal-links a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  font-family: "JetBrains Mono", monospace;
  transition: background 180ms ease;
}
.terminal-links li:last-child a { border-bottom: 0; }
@media (hover: hover) and (pointer: fine) {
  .terminal-links a:hover { background: rgba(67, 196, 101, 0.06); }
}
.prompt { color: var(--accent-hi); font-weight: 700; }
.t-url { color: var(--text); font-weight: 500; }
.t-desc { color: var(--muted); font-size: 0.8rem; margin-left: auto; text-align: right; }
.t-arrow {
  color: var(--accent-hi);
  font-weight: 700;
  transition: transform 200ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .terminal-links a:hover .t-arrow { transform: translateX(6px); }
}

/* gallery */
.gallery-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  margin-top: 40px;
  align-items: start;
}
.gallery-poster {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}
.gallery-poster img { width: 100%; aspect-ratio: 900 / 1273; object-fit: cover; }
.gallery-poster figcaption {
  padding: 14px 18px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
  border-top: 1px solid var(--line);
}
.gallery-slots { display: grid; gap: 28px; }
.slot {
  border: 1px dashed rgba(154, 165, 160, 0.35);
  border-radius: var(--radius);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  background: rgba(16, 22, 19, 0.5);
}

/* join */
.join { text-align: left; }
.join-inner { max-width: 720px; }
.join-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin-bottom: 18px;
}
.join-copy { color: var(--muted); font-size: 1.1rem; max-width: 56ch; margin-bottom: 18px; }
.join-count { color: var(--accent-hi); font-size: 0.95rem; margin-bottom: 28px; letter-spacing: 0.02em; }
.join-count #joinCountNum { font-weight: 700; font-size: 1.25rem; }
.join-form { display: grid; gap: 18px; max-width: 560px; }
.join-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 560px) { .join-row { grid-template-columns: 1fr; } }
.join-field label { display: block; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 8px; }
.join-field input, .join-field select {
  width: 100%; padding: 14px 16px; font: inherit; color: var(--text);
  background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius);
  appearance: none;
}
.join-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239aa5a0' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 40px;
}
.join-field input:focus, .join-field select:focus { outline: none; border-color: var(--accent); }
.join-field input::placeholder { color: var(--muted); opacity: 0.7; }
.join-msg { min-height: 1.5em; font-size: 0.95rem; color: var(--muted); }
.join-msg.ok { color: var(--accent-hi); }
.join-msg.err { color: #e5686e; }
.join-form .btn[disabled] { opacity: 0.6; cursor: wait; }

/* gallery dynamic items */
.gallery-item { position: relative; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--line); background: var(--surface); }
.gallery-item img, .gallery-item video { display: block; width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4/3; }
.gallery-item figcaption { padding: 10px 14px; font-size: 0.8rem; color: var(--muted); }

/* footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 44px 0 52px;
  background: var(--surface);
}
.footer-line { color: var(--text); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; }
.footer-social { margin: 16px 0 4px; font-size: 0.88rem; }
.footer-social a { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.footer-social a:hover { color: var(--accent-hi); border-color: var(--accent-hi); }
.footer-social span { color: var(--muted); margin: 0 10px; }
.footer-sub { color: var(--muted); font-size: 0.88rem; margin-top: 4px; }

/* scroll reveal */
.rv {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
  transition-delay: var(--d, 0ms);
}
.rv.in { opacity: 1; transform: translateY(0); }

/* ---------- responsive ---------- */
@media (max-width: 1023px) {
  .leader-card, .leader-flip { grid-template-columns: 180px 1fr; }
  .leader-flip .leader-photo { order: 0; }
  .events-grid { grid-template-columns: 1fr; gap: 48px; }
  .film { justify-self: start; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-poster { max-width: 420px; }
}

@media (max-width: 767px) {
  .section { padding: 72px 0; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .wordmark { gap: 10px; }
  .wordmark-mark { height: 30px; }
  .wordmark-name { font-size: 1.12rem; }
  .wordmark-sub { display: none; }
  .wordmark-sub.wordmark-sub-short { display: block; font-size: 0.6rem; }
  .nav-links.open {
    display: flex;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    padding: 8px 24px 16px;
  }
  .nav-links.open a {
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    font-size: 1.05rem;
    color: var(--text);
  }
  .nav-links.open a:last-child { border-bottom: 0; }
  .hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .hero { min-height: auto; padding: 40px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .poster-card { margin: 0 auto; max-width: 320px; }
  .ghost-numeral { font-size: 240px; right: -8%; top: 8%; transform: none; }

  .leader-grid { grid-template-columns: 1fr; }
  .leader-card, .leader-flip { grid-template-columns: 140px 1fr; gap: 20px; padding: 20px; }
  .thanks-person { flex-direction: column; align-items: flex-start; gap: 20px; }
  .program-list li { flex-direction: column; gap: 8px; align-items: flex-start; }
  .terminal-links a { flex-wrap: wrap; row-gap: 6px; }
  .t-arrow { margin-left: auto; }
  .t-desc { margin-left: 0; text-align: left; width: 100%; order: 4; }
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-anim { opacity: 1; animation: none; }
  .rv { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  .btn, .pillar, .leader-card, .member-card, .poster-card, .terminal-links a, .t-arrow, .nav-links a {
    transition: none;
  }
}

/* gallery loading skeletons + empty state */
.slot-skel {
  border: 1px solid rgba(154, 165, 160, 0.18);
  background: linear-gradient(100deg, rgba(154,165,160,0.07) 40%, rgba(154,165,160,0.16) 50%, rgba(154,165,160,0.07) 60%);
  background-size: 200% 100%;
  animation: skel 1.4s ease-in-out infinite;
}
@keyframes skel { to { background-position: -200% 0; } }
.slot-empty {
  grid-column: 1 / -1;
  border: 1px dashed rgba(154, 165, 160, 0.35);
  border-radius: var(--radius);
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.85rem;
  text-align: center;
  padding: 1rem;
}

/* toast notifications */
.toasts {
  position: fixed; left: 50%; bottom: 1.25rem; transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 0.5rem; align-items: center;
  z-index: 200; pointer-events: none; width: min(92vw, 420px);
}
.toast {
  background: #10160f; color: #eef3ec; border: 1px solid rgba(67, 196, 101, 0.35);
  border-radius: 12px; padding: 0.7rem 1.1rem; font-size: 0.92rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45);
  opacity: 0; transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  text-align: center; max-width: 100%;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.err { border-color: rgba(229, 104, 110, 0.5); }