:root {
  --bg: #08111f;
  --panel: rgba(10, 20, 36, 0.82);
  --panel-strong: rgba(14, 28, 49, 0.96);
  --line: rgba(131, 192, 253, 0.2);
  --text: #edf4ff;
  --muted: #8fa9c7;
  --accent: #67e8f9;
  --accent-2: #60a5fa;
  --danger: #fb7185;
  --warning: #fbbf24;
  --shadow: 0 30px 80px rgba(2, 8, 20, 0.45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Noto Sans SC', sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(96, 165, 250, 0.18), transparent 30%),
    radial-gradient(circle at right, rgba(103, 232, 249, 0.14), transparent 25%),
    linear-gradient(135deg, #030712, #08111f 45%, #0f172a);
}

.background {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: radial-gradient(circle at center, black 55%, transparent 95%);
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.hero-card,
.list-card {
  background: var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid var(--line);
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.hero-card { padding: 28px; display: grid; gap: 22px; }
.list-card { padding: 26px; }

.eyebrow,
.panel-kicker {
  margin: 0 0 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--accent);
}

h1,h2,h3,p { margin-top: 0; }
h1 { font-size: clamp(38px, 4.6vw, 62px); line-height: 1.01; margin-bottom: 14px; }
h2 { margin-bottom: 0; }

.subtitle,
.path-label,
.dropzone-hint,
.status-text,
.file-path,
.empty-state,
.file-time,
.sort-label,
.hero-stat-label { color: var(--muted); }

.subtitle { max-width: 780px; margin-bottom: 0; }

.hero-top {
  display: grid;
  grid-template-columns: minmax(0, 1.0fr) minmax(240px, 0.95fr);
  gap: 10px;
  align-items: stretch;
}

.hero-copy { padding: 4px 2px 0; }
.hero-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }

.hero-stat,
.panel-card,
.directory-head {
  border: 1px solid rgba(96, 165, 250, 0.14);
  background: linear-gradient(180deg, rgba(14, 28, 49, 0.9), rgba(10, 20, 36, 0.8));
  border-radius: 22px;
}

.hero-stat { padding: 16px 18px; }
.hero-stat strong { display: block; margin-top: 6px; font-size: 16px; font-weight: 800; }
.hero-actions-grid { display: grid; gap: 16px; }
.hero-actions-grid-top { grid-template-columns: minmax(240px, 0.8fr) minmax(0, 2fr); align-items: stretch; }
.panel-card { padding: 18px; height: 100%; }
.panel-heading { margin-bottom: 14px; }

.glass-head {
  position: sticky;
  top: 14px;
  z-index: 8;
  margin-top: 18px;
  margin-bottom: 18px;
  padding: 16px;
  display: grid;
  gap: 14px;
  border-color: rgba(103, 232, 249, 0.18);
  box-shadow: 0 18px 40px rgba(2, 8, 20, 0.26);
  background: linear-gradient(180deg, rgba(10, 20, 36, 0.9), rgba(10, 20, 36, 0.72));
  backdrop-filter: blur(22px) saturate(150%);
}

.glass-head::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(103, 232, 249, 0.08), transparent 35%);
}

.directory-head-main,
.directory-head-tools,
.path-inline,
.folder-form,
.upload-panel,
.upload-grid { display: grid; gap: 12px; }

.path-inline { grid-template-columns: 1fr auto; align-items: end; }

.path-inline-highlight {
  padding: 16px 18px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.14), rgba(96, 165, 250, 0.08));
  border: 1px solid rgba(103, 232, 249, 0.18);
}

.path-value {
  margin: 0;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 16px;
  font-weight: 600;
  color: #f8fbff;
  word-break: break-all;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.breadcrumb-scroll {
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 4px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.breadcrumb-scroll::-webkit-scrollbar { display: none; }

.breadcrumb-separator { color: #5e7794; font-family: 'IBM Plex Mono', monospace; flex: 0 0 auto; }

.breadcrumb-item {
  border: 1px solid rgba(96, 165, 250, 0.18);
  background: rgba(96, 165, 250, 0.1);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
  flex: 0 0 auto;
  white-space: nowrap;
}

.breadcrumb-item:hover,
.column-sort:hover { background: rgba(103, 232, 249, 0.16); }

.breadcrumb-item:disabled,
.ghost-btn:disabled,
.delete-btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.breadcrumb-item.is-current {
  cursor: default;
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.22), rgba(96, 165, 250, 0.2));
  border-color: rgba(103, 232, 249, 0.32);
  opacity: 1;
}

.folder-form { grid-template-columns: 1fr; }

.text-input,
.sort-select,
.search-input {
  width: 100%;
  border: 1px solid rgba(143, 169, 199, 0.22);
  border-radius: 14px;
  padding: 13px 15px;
  font: inherit;
  color: var(--text);
  background: rgba(5, 11, 22, 0.45);
  outline: none;
}

.text-input::placeholder,
.search-input::placeholder { color: #6f89a7; }

.upload-grid { grid-template-columns: 1fr 1fr; }

.dropzone {
  display: grid;
  place-items: center;
  min-height: 164px;
  padding: 24px;
  border-radius: 22px;
  border: 1.5px dashed rgba(103, 232, 249, 0.45);
  background: linear-gradient(180deg, rgba(96,165,250,0.08), rgba(15,23,42,0.4));
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.folder-dropzone { min-height: 164px; border-color: rgba(96, 165, 250, 0.38); }
.dropzone:hover,
.primary-btn:hover,
.ghost-btn:hover,
.download-btn:hover,
.delete-btn:hover { transform: translateY(-1px); }
.dropzone input { display: none; }
.dropzone-title { font-size: 24px; font-weight: 800; }

.upload-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 4px; }
.status-text { margin-bottom: 0; }

.primary-btn,
.ghost-btn,
.download-btn,
.delete-btn,
.column-sort {
  border: 0;
  border-radius: 14px;
  padding: 13px 18px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

.primary-btn { 
  color: #03111e; 
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); 
}
.ghost-btn,
.download-btn,
.column-sort { 
  color: var(--text); 
  text-decoration: none; 
  background: rgba(96, 165, 250, 0.14); 
  border: 1px solid rgba(96, 165, 250, 0.18); 
}
.download-btn{
  padding: 3px 18px;/*up-down  left-right*/
}


.delete-btn { 
  color: white; 
  background: rgba(251, 113, 133, 0.18); 
  border: 1px solid rgba(251, 113, 133, 0.24); 
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  min-width: 18px;
  font-size: 14px;
}
.search-controls{
  display: flex; align-items: center;width: 45%; gap: 10px; flex-wrap: nowrap;
}

.list-header,
.toolbar-actions,
.sort-controls,
.filter-controls,
.batch-controls,
.list-summary { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.list-header { justify-content: space-between; }

.toolbar-actions-compact { gap: 8px; align-items: stretch; }

.tool-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border-radius: 16px;
  background: rgba(7, 14, 26, 0.46);
  border: 1px solid rgba(96, 165, 250, 0.12);
}

.tool-group-search { flex: 1 1 320px; }
.tool-group-search .search-input { flex: 1 1 auto; min-width: 220px; }
.tool-group-batch { margin-left: auto; }

.stat-ribbon { gap: 8px; }

.summary-pill {
  display: inline-flex;
  align-items: center;
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--text);
  background: rgba(96, 165, 250, 0.08);
  border: 1px solid rgba(96, 165, 250, 0.14);
  font-size: 13px;
}

.summary-pill-strong {
  background: linear-gradient(135deg, rgba(103, 232, 249, 0.22), rgba(96, 165, 250, 0.18));
  border-color: rgba(103, 232, 249, 0.3);
}

.summary-pill-warning {
  background: rgba(251, 191, 36, 0.12);
  border-color: rgba(251, 191, 36, 0.24);
}

.sort-select { width: auto; min-width: 140px; }
.search-input { min-width: 240px; }

.search-highlight {
  background: rgba(103, 232, 249, 0.28);
  color: var(--text);
  padding: 0 4px;
  border-radius: 6px;
}

.list-columns,
.file-item {
  display: grid;
  grid-template-columns: 48px minmax(220px, 2.2fr) 100px 110px 170px minmax(160px, 1.2fr);
  gap: 14px;
  align-items: center;
}

.list-columns {
  margin-top: 16px;
  padding: 0 18px 10px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.list-columns-sticky {
  position: sticky;
  top: 196px;
  z-index: 6;
  padding-top: 12px;
  background: linear-gradient(180deg, rgba(8, 17, 31, 0.96), rgba(8, 17, 31, 0.68));
  backdrop-filter: blur(12px);
}

.column-sort { padding: 10px 12px; justify-content: flex-start; text-align: left; }
.column-sort.is-active { background: rgba(103, 232, 249, 0.16); border-color: rgba(103, 232, 249, 0.28); }
.column-sort-checkbox { width: 44px; padding: 10px 0; justify-content: center; }

.file-list { margin-top: 8px; display: grid; gap: 14px; }
/*.file-list { margin-top: 28px; display: grid; gap: 34px; }*/
/*
.file-item { 
  position: relative; 
  padding: 8px; 
  border-radius: 20px; 
  background: var(--panel-strong); 
  border: 1px solid rgba(143, 169, 199, 0.12); 
}
*/
.file-item { 
  position: relative; 
  padding: 0px; 
  border-radius: 10px; 
  background: var(--panel-strong); 
  border: 1px solid rgba(143, 169, 199, 0.12); 
}

.file-item.is-selected { border-color: rgba(103, 232, 249, 0.42); background: linear-gradient(180deg, rgba(18, 42, 72, 0.96), rgba(14, 28, 49, 0.96)); box-shadow: 0 0 0 1px rgba(103, 232, 249, 0.14), inset 0 0 0 1px rgba(103, 232, 249, 0.08); }
.file-item.is-selected .file-name { color: #f8fdff; }
.file-item.is-selected .file-path,
.file-item.is-selected .file-time { color: #b9d7f2; }
.file-item.is-directory { cursor: default; }
.file-item.is-directory:hover { border-color: rgba(103, 232, 249, 0.26); box-shadow: inset 0 0 0 1px rgba(103, 232, 249, 0.08); }
.folder-hover-hint { position: absolute; top: 12px; right: 14px; opacity: 0; transform: translateY(-4px); transition: opacity 0.18s ease, transform 0.18s ease; pointer-events: none; padding: 6px 10px; border-radius: 999px; font-size: 12px; color: #dffbff; background: rgba(103, 232, 249, 0.14); border: 1px solid rgba(103, 232, 249, 0.22); }
.file-item.is-directory:hover .folder-hover-hint { opacity: 1; transform: translateY(0); }
.file-item:not(.is-directory) .folder-hover-hint { display: none; }
/*
.file-item { 
  padding: 18px; 
  border-radius: 20px; 
  background: var(--panel-strong); 
  border: 1px solid rgba(143, 169, 199, 0.12); 
}
*/
.file-item { 
  padding: 2px; 
  border-radius: 10px; 
  background: var(--panel-strong); 
  border: 1px solid rgba(143, 169, 199, 0.12); 
}

.file-col { min-width: 0; }
.file-col-select { display: flex; justify-content: center; }
.file-select { width: 18px; height: 18px; accent-color: #67e8f9; }
.file-name { margin-bottom: 6px; word-break: break-all; }
.file-path,.file-time { margin-bottom: 0; word-break: break-all; }
.file-type,.file-size { display: inline-flex; align-items: center; min-height: 40px; }
.file-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; justify-content: flex-start; }
.empty-state { padding: 32px 12px; text-align: center; border: 1px dashed rgba(143, 169, 199, 0.2); border-radius: 18px; }

@media (max-width: 1180px) {
  .hero-top,
  .hero-actions-grid-top,
  .hero-stats,
  .upload-grid,
  .toolbar-actions-compact { grid-template-columns: 1fr; }
  .tool-group-batch { margin-left: 0; }
}

@media (max-width: 900px) {
  .list-columns,
  .file-item { grid-template-columns: 48px minmax(180px, 1.9fr) 90px 90px 150px minmax(150px, 1.1fr); }
}

@media (max-width: 760px) {
  .list-columns { display: none; }
  .file-item,
  .path-inline { grid-template-columns: 1fr; align-items: flex-start; }
  .file-col-select { justify-content: flex-start; }
  .search-input,
  .tool-group-search .search-input { min-width: 100%; }
  .upload-footer { align-items: flex-start; flex-direction: column; }
  .glass-head,
  .list-columns-sticky { position: static; }
}

@media (max-width: 640px) {
  .hero-card,
  .list-card { padding: 20px; border-radius: 22px; }
  .folder-form,
  .list-header,
  .toolbar-actions,
  .tool-group,
  .icon-btn { grid-template-columns: 1fr; align-items: flex-start; flex-direction: column; }
}