:root {
  --primary: #222;
  --primary-bg: #fff;
  --accent: #2a77e3;
  --border: #e1e1e1;
  --radius: 14px;
  --shadow: 0 4px 24px #0001;
  --hover: #f4f4f6;
  --yt: #ea3324;
  --fb: #1877f3;
  --ig: #df4996;
  --tt: #1ed6ff;
}

body {
  background: #f7f7f9;
  font-family: 'Inter', Arial, sans-serif;
  margin: 0;
  color: var(--primary);
  font-size: 17px;
}

.main-layout {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 32px;
  padding: 44px 12px 44px 12px;
}

.upload-block, .left-block, .right-block {
  background: var(--primary-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Upload block */
.upload-block {
  min-width: 364px;
  max-width: 400px;
  padding: 30px 15px 24px 15px;
  margin-right: 0;
  gap: 13px;
}

.upload-title-min {
  font-size: 1.1rem;
  font-weight: 700;
  color: #232c47;
  text-align: center;
  margin-bottom: 7px;
  letter-spacing: 0.01em;
}

.file-btn,
.batch-file-btn {
  width: 85%;
  margin: 4px 0 12px 0;
  background: var(--hover);
  color: #333;
  font-weight: 500;
  font-size: 15px;
  border-radius: 8px;
  padding: 10px 0;
  border: none;
  box-shadow: 0 1px 4px #0001;
  transition: background 0.14s, color 0.14s;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.file-btn:hover,
.file-btn:focus,
.batch-file-btn:hover,
.batch-file-btn:focus {
  background: #434447;
  color: #fff;
}

.files-list-cards {
  width: 97%;
  margin: 2px auto 14px auto;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.file-card {
  display: flex;
  align-items: center;
  background: #f7f7f9;
  border-radius: 13px;
  box-shadow: 0 1.5px 8px #dbeafe55;
  padding: 8px 13px;
  border: 1.5px solid #e1e1e1;
  min-height: 40px;
  position: relative;
  gap: 12px;
  overflow: hidden;
  transition: border 0.15s, box-shadow 0.15s;
}
.file-card:hover {
 border-color: #59595947;
    box-shadow: 0 4px 12px #dbeafe99;
}
.file-thumb {
  width: 36px;
  height: 36px;
  background: #ececec;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #ff781c;
  overflow: hidden;
  flex-shrink: 0;
}
.file-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.file-name {
 font-size: 0.85rem;
    color: #232c47;
    /* font-weight: 600; */
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.file-size {
  font-size: 13px;
  color: #8fa1bc;
  margin-top: 1px;
}
.file-remove {
  background: none;
  border: none;
  color: #a2b1ca;
  font-size: 21px;
  cursor: pointer;
  margin-left: 5px;
  border-radius: 50%;
  padding: 3px;
  transition: background 0.15s, color 0.13s;
  flex-shrink: 0;
}
.file-remove:hover {
  background: #eceef3;
  color: #ea3324;
}

/* --- Левый блок --- */
.left-block {
min-width: 49%;
    max-width: 440px;
    width: 100%;
    padding: 32px 30px 26px 30px;


}

h3, .preview-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #434447;
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 20px 0;
}

.preview-title-row {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
 
}

.preview-container {
  width: 100%;
  aspect-ratio: 16/9;
  background: #111;
  border-radius: 18px;
  box-shadow: 0 2px 14px #0002;
  border: 2px solid var(--border);
  overflow: hidden;
  user-select: none;
  margin-bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.video-aspect { aspect-ratio: 16/9; }
.aspect-16-9 { aspect-ratio: 16/9; }
.aspect-9-16 { aspect-ratio: 9/16; }
.aspect-16-10 { aspect-ratio: 16/10; }
.video-placeholder, .video-preview {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 15px;
  font-size: 120px;
  box-sizing: border-box;
  background: #111;
  object-fit: contain;
}
.video-preview { background: #111; object-fit: contain; }

/* --- Пресеты --- */
.presets-block {
  margin-top: 15px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}
.presets-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: #434447;
  margin-bottom: 15px;
  text-align: center;
  letter-spacing: 0.01em;
}
.presets-row {
  display: flex;
  flex-direction: row;
  justify-content: center;
  gap: 18px;
  width: 100%;
}
.preset-btn {
  background: none;
  border: none;
  border-bottom: 2.5px solid #f1f1f1;
  border-radius: 0;
  padding: 10px 8px 9px 8px;
  font-size: 18px;
  color: #343a40;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 11px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.18s, color 0.16s;
  min-width: 112px;
}
.preset-btn#preset-youtube:hover:not(.active),
.preset-btn#preset-youtube:focus-visible:not(.active),
.preset-btn#preset-youtube.active {
  color: var(--yt) !important;
  border-bottom: 2.5px solid var(--yt);
}
.preset-btn#preset-facebook:hover:not(.active),
.preset-btn#preset-facebook:focus-visible:not(.active),
.preset-btn#preset-facebook.active {
  color: var(--fb) !important;
  border-bottom: 2.5px solid var(--fb);
}
.preset-btn#preset-instagram:hover:not(.active),
.preset-btn#preset-instagram:focus-visible:not(.active),
.preset-btn#preset-instagram.active {
  color: var(--ig) !important;
  border-bottom: 2.5px solid var(--ig);
}
.preset-btn#preset-tiktok:hover:not(.active),
.preset-btn#preset-tiktok:focus-visible:not(.active),
.preset-btn#preset-tiktok.active {
  color: var(--tt) !important;
  border-bottom: 2.5px solid var(--tt);
}
.preset-btn .ri-youtube-fill { color: var(--yt); }
.preset-btn .ri-facebook-fill { color: var(--fb); }
.preset-btn .ri-instagram-fill {
  background: linear-gradient(45deg,#fdc468,#df4996,#3a7bd5 80%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; text-fill-color: transparent;
}
.preset-btn .ri-tiktok-fill {
  background: linear-gradient(90deg,#1ed6ff 10%,#231F20 55%,#fe2c55 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; text-fill-color: transparent;
}

/* --- Правый блок --- */
.right-block {
  min-width: 370px;
  max-width: 400px;
  padding: 32px 30px 26px 30px;
  align-items: stretch;
  gap: 0;
}
.filters-panel { padding: 0; }
.filters-title {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 1.14rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  color: var(--primary);
}
.slider-group {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 14px;
  position: relative;
  transition: background 0.15s;
  border-radius: 7px;
  padding: 3px 9px 3px 0;
}
.slider-group:focus-within, .slider-group:hover {
  background: var(--hover);
  box-shadow: 0 2px 10px #0001;
}
.slider-icon {
  font-size: 22px;
  width: 32px;
  text-align: center;
  color: #bababa;
  transition: color 0.22s, transform 0.18s;
  pointer-events: none;
}
.slider-group:focus-within .slider-icon, .slider-group:hover .slider-icon {
  color: var(--primary);
  transform: rotate(-12deg) scale(1.13);
}
.slider-label {
  flex: 1.2;
  font-size: 1em;
  color: #181818;
  font-weight: 400;
}
.slider-val {
  width: 54px;
  text-align: right;
  font-size: 15px;
  color: #888;
  flex-shrink: 0;
  transition: color 0.2s;
}
.slider-group:focus-within .slider-val, .slider-group:hover .slider-val {
  color: var(--primary);
}
.slider {
  flex: 2.2;
  accent-color: var(--primary);
  background: #e1e1e1;
  border-radius: 5px;
  height: 2px;
  transition: accent-color 0.18s;
}
.slider:focus { accent-color: #111; }

.download-block {
  margin-top: 24px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: stretch;
}
#downloadBtn {
  width: 100%;
  padding: 13px 0 12px 0;
  font-size: 1.09em;
  border-radius: 11px;
  background: #434447;
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  box-shadow: 0 2px 12px #0001;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}
#downloadBtn:hover { background: #4e97bf; }

.files-list-cards:empty {
  margin: 0 !important;
  padding: 0 !important;
  min-height: 0 !important;
  height: 0 !important;
  gap: 0 !important;
}
#report {
  width: 100%;
  padding: 13px 0 12px 0;
  font-size: 1.09em;
  border-radius: 11px;
  background: #434447;
  color: #fff;
  border: none;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  box-shadow: 0 2px 12px #0001;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
}
#report:hover { background: #da0000; }

.files-list-cards:empty {
  margin: 0 !important;
  padding: 0 !important;
  min-height: 0 !important;
  height: 0 !important;
  gap: 0 !important;
}


/* --- Адаптив --- */
@media (max-width: 1400px) {
  .main-layout { flex-direction: column; align-items: center; gap: 20px; }
  .upload-block, .left-block, .right-block { width: 98vw; min-width: unset; max-width: 99vw;}
}
@media (max-width: 1000px) {
  .left-block, .right-block, .upload-block {
    max-width: 98vw !important;
    min-width: unset !important;
    width: 98vw !important;
    padding-left: 3vw; padding-right: 3vw;
  }

}
@media (max-width: 800px) {
  .left-block { padding: 4vw 0 4vw 0; }

  .video-placeholder, .video-preview { font-size: 44px; }
  .preset-btn { font-size: 14px; padding: 8px 6px; min-width: 72px;}
  .presets-row { gap: 7px;}
  .batch-file-btn { font-size: 14px; padding: 8px 0; }
}