:root{--bg-main:#111315;--bg-header:#060606;--bg-card:#171a1d;--red:#ff1b1b;--red-hover:#d60d0d;--blue:#0f6798;--white:#fff;--soft:#d2d2d2;--muted:#98a0a8;--border:#252a2f;--max:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,Arial,sans-serif;background:linear-gradient(180deg,#111315,#14171a);color:var(--white);line-height:1.5}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 32px));margin:0 auto}.page{padding-top:88px}.card{background:rgba(255,255,255,.03);border:1px solid var(--border);border-radius:18px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 18px;border-radius:14px;font-weight:700;border:0;cursor:pointer}.btn-primary{background:var(--red);color:#fff}.btn-primary:hover{background:var(--red-hover)}.btn-ghost{background:rgba(255,255,255,.05);color:#fff;border:1px solid var(--border)}.muted{color:var(--muted)}.soft{color:var(--soft)}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}@media (max-width:960px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}.site-header{position:fixed;top:0;left:0;right:0;background:rgba(6,6,6,.95);border-bottom:1px solid rgba(255,255,255,.06);z-index:1000}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;font-weight:900}.brand img{width:42px;height:42px;border-radius:12px}.nav-links{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.nav-link{padding:10px 14px;border-radius:12px}.nav-link:hover{background:rgba(255,255,255,.06)}.hero{padding:48px 0 24px}.hero h1{font-size:clamp(2rem,5vw,4rem);line-height:1.05;margin:10px 0}.hero p{max-width:760px;color:var(--soft)}.section{padding:40px 0}.footer{padding:40px 0;background:#0b0c0d;border-top:1px solid rgba(255,255,255,.06);margin-top:48px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:20px}.footer-grid p,.footer-grid a{color:var(--soft)}@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}.tool-grid a{padding:20px;display:block;transition:.18s ease}.tool-grid a:hover{transform:translateY(-2px);background:rgba(255,255,255,.05)}.drop-zone{min-height:280px;padding:32px;background:linear-gradient(135deg,var(--blue),#0b4d73);border:1px solid rgba(255,255,255,.12);border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:14px}.drop-zone.drag{outline:3px solid rgba(255,255,255,.25)}.tool-layout{display:grid;grid-template-columns:1.2fr .8fr;gap:24px}@media (max-width:980px){.tool-layout{grid-template-columns:1fr}}.panel{padding:20px}.panel .field{display:grid;gap:8px;margin:12px 0}input,select{width:100%;padding:12px 14px;background:#0d0f11;border:1px solid var(--border);border-radius:12px;color:#fff}.preview{padding:18px;margin-top:20px}.hidden{display:none}.breadcrumbs{color:var(--muted);font-size:.95rem}.inline-ad,.side-ad{opacity:.22;border:1px dashed rgba(255,255,255,.12);border-radius:14px;color:#fff;text-align:center}.inline-ad{padding:14px 18px;margin:24px 0}.side-ad{display:none;position:fixed;top:110px;width:120px;height:600px;align-items:center;justify-content:center;pointer-events:none}.side-ad.left{left:10px}.side-ad.right{right:10px}@media (min-width:1450px){.side-ad{display:flex}}details{padding:16px 18px}summary{cursor:pointer;font-weight:700}


/* v3 responsive and trim timeline additions */
body {
  overflow-x: hidden;
}

.hero h1,
main h1 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: start;
}

.panel {
  padding: 20px;
}

.preview {
  margin-top: 18px;
  padding: 18px;
}

.preview-media {
  width: 100%;
  max-height: 440px;
  object-fit: contain;
  border-radius: 16px;
  background: #0a0b0d;
}

.drop-zone {
  position: relative;
}

.drop-zone .btn {
  position: relative;
  z-index: 2;
}

.panel h4,
.panel strong {
  display: block;
  margin-bottom: 10px;
}

.panel-block {
  margin-top: 16px;
}

.timeline-wrap {
  margin-top: 18px;
  padding: 16px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(255,255,255,.025);
}

.timeline-label-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  color: var(--soft);
  font-size: .95rem;
}

.range-track-wrap {
  position: relative;
  margin-top: 12px;
  height: 34px;
}

.range-track-bg,
.range-track-fill {
  position: absolute;
  left: 0;
  right: 0;
  top: 14px;
  height: 6px;
  border-radius: 999px;
}

.range-track-bg {
  background: rgba(255,255,255,.08);
}

.range-track-fill {
  background: linear-gradient(90deg, #ff3b3b, #ff7a7a);
}

.dual-range {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.dual-range input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  position: absolute;
  left: 0;
  right: 0;
  width: 100%;
  top: 0;
  background: transparent;
  pointer-events: none;
}

.dual-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--red);
  box-shadow: 0 0 0 4px rgba(255, 27, 27, .18);
  cursor: pointer;
  pointer-events: auto;
  margin-top: -6px;
}

.dual-range input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--red);
  box-shadow: 0 0 0 4px rgba(255, 27, 27, .18);
  cursor: pointer;
  pointer-events: auto;
}

.dual-range input[type="range"]::-webkit-slider-runnable-track,
.dual-range input[type="range"]::-moz-range-track {
  height: 6px;
  background: transparent;
}

.waveform-box {
  position: relative;
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: #0a0c0f;
}

.waveform-canvas {
  display: block;
  width: 100%;
  height: 120px;
}

.waveform-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.waveform-dim {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(0,0,0,.45);
}

.waveform-playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 3px;
  background: #ffffff;
  box-shadow: 0 0 18px rgba(255,255,255,.28);
}

.thumb-grid {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 84px;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.frame-thumb {
  position: relative;
  width: 84px;
  height: 60px;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  background: #0a0c0f;
}

.frame-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.frame-thumb span {
  position: absolute;
  right: 4px;
  bottom: 4px;
  padding: 2px 6px;
  border-radius: 999px;
  background: rgba(0,0,0,.55);
  font-size: .75rem;
}

.limit-note {
  margin-top: 8px;
  color: #ff9b9b;
  font-size: .92rem;
}

@media (max-width: 1100px) {
  .tool-layout {
    grid-template-columns: 1fr;
  }

  .side-ad {
    display: none !important;
  }
}

@media (max-width: 860px) {
  .container {
    width: min(100%, calc(100% - 24px));
  }

  .nav {
    height: auto;
    min-height: 72px;
    padding: 12px 0;
    flex-wrap: wrap;
  }

  .nav-links {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
  }

  .tool-grid,
  .footer-grid,
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr !important;
  }

  .drop-zone {
    padding: 22px 16px;
    min-height: 220px;
  }

  .waveform-canvas {
    height: 92px;
  }

  .thumb-grid {
    grid-auto-columns: 72px;
  }

  .frame-thumb {
    width: 72px;
    height: 54px;
  }
}

@media (max-width: 520px) {
  .page {
    padding-top: 96px;
  }

  .btn {
    width: 100%;
  }

  .timeline-label-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .drop-zone strong {
    font-size: 1.35rem !important;
  }
}


/* v5 layout + mobile fixes */
.field { margin-top: 16px; }
.field label { display: block; margin-bottom: 8px; }
.input, .select, .field input[type="number"], .field input[type="text"], .field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: #0c0d0e;
  color: #fff;
}

.site-header {
  background: rgba(6,6,6,.96);
}

.nav {
  min-height: 64px;
  height: auto;
  padding: 10px 0;
  gap: 14px;
}

.brand img {
  width: 36px;
  height: 36px;
}

.brand span {
  font-size: 1rem;
}

.nav-links {
  gap: 8px;
}

.nav-link {
  padding: 8px 10px;
  font-size: .92rem;
}

.lang-dropdown {
  position: relative;
}
.lang-toggle {
  border: 0;
  background: transparent;
  color: #fff;
  cursor: pointer;
}
.lang-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 170px;
  padding: 8px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.08);
  background: #0d0f12;
  box-shadow: 0 18px 36px rgba(0,0,0,.35);
  z-index: 2000;
}
.lang-menu.show {
  display: block;
}
.lang-menu button {
  display: block;
  width: 100%;
  border: 0;
  background: transparent;
  color: #fff;
  text-align: left;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
}
.lang-menu button:hover {
  background: rgba(255,255,255,.06);
}

.cropper-wrap {
  position: relative;
  display: inline-block;
  max-width: 100%;
  margin-top: 12px;
}
.cropper-image {
  max-width: 100%;
  display: block;
  border-radius: 14px;
}
.cropper-box {
  position: absolute;
  border: 2px solid #fff;
  box-shadow: 0 0 0 9999px rgba(0,0,0,.45);
  cursor: move;
}
.crop-handle {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--red);
  border: 2px solid #fff;
  border-radius: 50%;
}
.crop-handle.tl { top: -8px; left: -8px; cursor: nwse-resize; }
.crop-handle.tr { top: -8px; right: -8px; cursor: nesw-resize; }
.crop-handle.bl { bottom: -8px; left: -8px; cursor: nesw-resize; }
.crop-handle.br { bottom: -8px; right: -8px; cursor: nwse-resize; }

.toggle-group {
  display: inline-flex;
  gap: 8px;
  flex-wrap: wrap;
}
.toggle-group button {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.04);
  color: #fff;
}
.toggle-group button.active {
  background: var(--red);
  border-color: var(--red);
}

.panel-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.small-note {
  margin-top: 8px;
  color: var(--muted);
  font-size: .92rem;
}

@media (max-width: 860px) {
  .page {
    padding-top: 82px;
  }

  .nav {
    align-items: center;
  }

  .nav-links {
    width: 100%;
    gap: 6px;
  }

  .nav-link,
  .lang-toggle {
    font-size: .82rem;
    padding: 7px 8px;
  }

  .brand img {
    width: 30px;
    height: 30px;
  }

  .brand span {
    font-size: .92rem;
  }

  .hero {
    padding: 28px 0 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }
}

@media (max-width: 560px) {
  .container {
    width: min(100%, calc(100% - 18px));
  }

  .nav {
    padding: 8px 0;
  }

  .nav-links {
    gap: 4px;
  }

  .nav-link,
  .lang-toggle {
    font-size: .76rem;
    padding: 6px 7px;
    border-radius: 10px;
  }

  .btn {
    width: 100%;
  }

  .drop-zone {
    min-height: 200px;
    padding: 18px 14px;
  }

  .tool-layout {
    gap: 16px;
  }
}