/* ══════════════════════════════════════════════════
   CloudDrive Pro — Cinematic Dark Glassmorphism UI
   Agent 1 (Visual Lead) — Production Stylesheet v2
   ══════════════════════════════════════════════════ */

:root {
  --c-bg:        #080e14;
  --c-bg-2:      #0d1620;
  --c-surface:   rgba(255,255,255,0.045);
  --c-surface-h: rgba(255,255,255,0.07);
  --c-border:    rgba(255,255,255,0.10);
  --c-border-h:  rgba(255,255,255,0.18);
  --c-text:      #e8f0f5;
  --c-muted:     #6b8394;
  --c-faint:     #3a4f5d;
  --c-blue:      #0ea5e9;
  --c-blue-dark: #0369a1;
  --c-violet:    #a855f7;
  --c-amber:     #f59e0b;
  --c-green:     #22c55e;
  --c-red:       #ef4444;
  --c-cyan:      #06b6d4;
  --grad-primary: linear-gradient(135deg, #0ea5e9, #a855f7);
  --grad-amber:   linear-gradient(135deg, #f59e0b, #ef4444);
  --grad-green:   linear-gradient(135deg, #22c55e, #06b6d4);
  --radius:    14px;
  --radius-sm: 9px;
  --shadow-sm: 0 2px 12px rgba(0,0,0,.5);
  --shadow:    0 8px 32px rgba(0,0,0,.65);
  --shadow-lg: 0 20px 60px rgba(0,0,0,.8);
  --font-ui:   'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --transition: 160ms ease;

  /* legacy tokens kept for no-op compat */
  --bg: #080e14;
  --panel: rgba(255,255,255,0.045);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { color-scheme: dark; scroll-behavior: smooth; }

html, body { height: 100%; overflow: hidden; margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.45;
  color: var(--c-text);
  background: var(--c-bg);
  background-image:
    radial-gradient(ellipse 80% 40% at 10% -10%, rgba(14,165,233,.18) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 110%, rgba(168,85,247,.14) 0%, transparent 55%);
  height: 100vh;
  overflow: hidden;
}

h1,h2,h3,h4,h5 { font-weight: 600; letter-spacing: -0.01em; }
p { color: var(--c-muted); }
label { color: var(--c-muted); font-size: .8rem; }
strong { color: var(--c-text); }

.panel-title {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--c-muted);
  margin-bottom: .4rem;
}

/* Glass panel */
.glass-panel {
  background: var(--c-surface);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* ══ APP SHELL — fixed viewport, nothing scrolls ══ */
.app-shell {
  position: fixed;
  inset: 0;
  padding: .5rem .6rem;
  display: grid;
  gap: .45rem;
  grid-template-rows: 52px 140px 1fr 48px;
  overflow: hidden;
  animation: shellIn 500ms cubic-bezier(.22,.68,0,1.2) both;
}
@keyframes shellIn {
  from { opacity: 0; transform: translateY(12px) scale(.99); }
  to   { opacity: 1; transform: none; }
}

/* Topbar — row 1, fixed 52px */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1rem;
  height: 52px;
  flex-shrink: 0;
}
.brand { display: flex; gap: .75rem; align-items: center; }
.brand-icon { width: 38px; height: 38px; flex-shrink: 0; }
.brand-text h1 {
  font-size: 1.25rem;
  background: var(--grad-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-pro {
  font-style: italic;
  background: var(--grad-amber);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.brand-sub {
  font-size: .75rem;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: .4rem;
  margin-top: .1rem;
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 8px var(--c-green);
  animation: pdot 2s infinite;
}
@keyframes pdot { 0%,100%{opacity:1}50%{opacity:.4} }
.header-actions { display: flex; gap: .6rem; align-items: center; }
.hdr-chip {
  display: flex; align-items: center; gap: .4rem;
  padding: .4rem .85rem;
  border-radius: 999px;
  border: 1px solid var(--c-border);
  color: var(--c-green);
  font-size: .8rem; font-weight: 600;
  cursor: default;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem .9rem;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font-ui); font-size: .82rem; font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-glow { background: var(--grad-primary); color: #fff; box-shadow: 0 0 18px rgba(14,165,233,.4); }
.btn-glow:hover { transform: translateY(-1px); box-shadow: 0 0 28px rgba(14,165,233,.6); }
.btn-amber { background: var(--grad-amber); color: #fff; box-shadow: 0 0 14px rgba(245,158,11,.35); }
.btn-amber:hover { transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--c-muted); border: 1px solid var(--c-border); }
.btn-outline:hover { background: var(--c-surface-h); color: var(--c-text); border-color: var(--c-border-h); }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px;
  border-radius: 8px; border: 1px solid var(--c-border);
  background: var(--c-surface); color: var(--c-muted);
  cursor: pointer; transition: all var(--transition);
}
.icon-btn:hover { background: var(--c-surface-h); color: var(--c-blue); border-color: var(--c-blue); }

/* Analytics strip — row 2, fixed 140px */
.analytics-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: .45rem;
  height: 140px;
  min-height: 0;
  overflow: hidden;
}
.analytics-grid > article {
  padding: .6rem .9rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* SVG Gauge */
.gauge-svg-wrap { flex-shrink: 0; }
#gaugeRing { transition: stroke-dashoffset 1.2s cubic-bezier(.22,.68,0,1.2); }
.gauge-pct-text { font-family: var(--font-ui); font-size: 1.2rem; font-weight: 700; fill: var(--c-text); }
.gauge-sub-text { font-family: var(--font-ui); font-size: .65rem; fill: var(--c-muted); text-transform: uppercase; letter-spacing: .06em; }
.gauge-meta { display: grid; gap: .3rem; }
.gauge-stat span { display: block; font-size: .9rem; font-weight: 700; color: var(--c-text); font-family: var(--font-mono); }
.gauge-stat label { font-size: .67rem; }

/* Trend */
.trend-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .5rem; }
.trend-legend { display: flex; align-items: center; gap: .3rem; font-size: .75rem; color: var(--c-muted); }
.leg-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
#trendCanvas { width: 100%; flex: 1; min-height: 0; border-radius: 8px; display: block; }

/* Catalog */
.catalog-list { list-style: none; display: grid; gap: .35rem; margin-bottom: .75rem; }
.catalog-list li {
  display: flex; justify-content: space-between; align-items: center;
  padding: .42rem .65rem; border-radius: 8px;
  background: rgba(255,255,255,.035); border: 1px solid var(--c-border);
  font-size: .8rem; transition: background var(--transition);
}
.catalog-list li:hover { background: var(--c-surface-h); }
.catalog-list .cat-name { color: var(--c-text); }
.catalog-list .cat-info { color: var(--c-muted); font-size: .72rem; }
.catalog-list .cat-bar-wrap { width: 55px; height: 4px; background: rgba(255,255,255,.1); border-radius: 99px; overflow: hidden; margin-left: .5rem; }
.catalog-list .cat-bar { height: 100%; background: var(--grad-primary); border-radius: 99px; }
.catalog-template { border-top: 1px solid var(--c-border); padding-top: .7rem; }
.template-row { display: flex; gap: .4rem; margin-top: .4rem; }

/* Workspace — row 3, fills all remaining space */
.workspace {
  display: grid;
  grid-template-columns: 210px 1fr 240px;
  gap: .45rem;
  min-height: 0;
  overflow: hidden;
}
/* All panels stretch to full workspace height */
.sidebar      { display: flex; flex-direction: column; padding: .6rem .7rem; overflow: hidden; }
.main-panel   { display: flex; flex-direction: column; padding: .6rem .7rem; overflow: hidden; }
.details-panel{ display: flex; flex-direction: column; padding: .6rem .7rem; overflow: hidden; }

/* Sidebar */
.sidebar-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: .35rem; gap: .4rem; flex-shrink: 0; }
.sidebar-acts { display: flex; gap: .35rem; }

/* Storage Account root label */
.sa-root { display: flex; align-items: center; gap: .5rem; color: var(--c-muted); }
.sa-root svg { color: var(--c-blue); flex-shrink: 0; }
.sa-name { font-size: .82rem; font-weight: 700; color: var(--c-text); letter-spacing: .01em; }
.sa-sub  { font-size: .65rem; color: var(--c-faint); }

/* Sidebar deep search */
.sidebar-search {
  display: flex; align-items: center; gap: .4rem;
  background: rgba(255,255,255,.05); border: 1px solid var(--c-border);
  border-radius: 8px; padding: .3rem .55rem; margin-bottom: .3rem; flex-shrink: 0;
}
.sidebar-search svg { color: var(--c-muted); flex-shrink: 0; }
.sidebar-search input { flex: 1; background: none; border: none; outline: none; color: var(--c-text); font-size: .78rem; font-family: var(--font-ui); }
.sidebar-search input::placeholder { color: var(--c-faint); }
.sidebar-search:focus-within { border-color: var(--c-blue); }

.tree-view { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; padding-right: 2px; margin-top: .2rem; }
.tree-view::-webkit-scrollbar { width: 4px; }
.tree-view::-webkit-scrollbar-track { background: transparent; }
.tree-view::-webkit-scrollbar-thumb { background: var(--c-faint); border-radius: 99px; }

/* Large container icon rows in tree */
.tree-container-row {
  display: flex; align-items: center; gap: .55rem;
  padding: .45rem .5rem; border-radius: 9px;
  cursor: pointer; font-size: .82rem; color: var(--c-muted);
  transition: all var(--transition); user-select: none; position: relative;
}
.tree-container-row .c-icon {
  width: 32px; height: 32px; border-radius: 8px;
  background: linear-gradient(135deg,rgba(14,165,233,.25),rgba(168,85,247,.2));
  border: 1px solid rgba(14,165,233,.25);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; flex-shrink: 0;
}
.tree-container-row .c-label { flex: 1; min-width: 0; }
.tree-container-row .c-label strong { display: block; color: var(--c-text); font-size: .82rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tree-container-row .c-label span { font-size: .67rem; color: var(--c-faint); }
.tree-container-row:hover { background: var(--c-surface-h); color: var(--c-text); }
.tree-container-row.active { background: rgba(14,165,233,.14); border: 1px solid rgba(14,165,233,.28); }

.tree-item {
  display: flex; align-items: center; gap: .45rem;
  padding: .38rem .5rem; border-radius: 8px;
  cursor: pointer; font-size: .82rem; color: var(--c-muted);
  transition: all var(--transition); user-select: none;
}
.tree-item .tree-icon { font-size: .9rem; flex-shrink: 0; }
.tree-item:hover { background: var(--c-surface-h); color: var(--c-text); }
.tree-item.active { background: rgba(14,165,233,.18); color: var(--c-blue); border: 1px solid rgba(14,165,233,.3); }

/* Global search results in sidebar */
.global-search-results {
  margin-top: .25rem; flex: 1; min-height: 0; overflow-y: auto;
  display: flex; flex-direction: column; gap: .2rem;
}
.gsr-item {
  padding: .38rem .5rem; border-radius: 8px; cursor: pointer;
  background: rgba(255,255,255,.035); border: 1px solid transparent;
  transition: all var(--transition);
}
.gsr-item:hover { background: var(--c-surface-h); border-color: var(--c-border); }
.gsr-item .gsr-name { font-size: .8rem; color: var(--c-text); font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gsr-item .gsr-path { font-size: .68rem; color: var(--c-muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gsr-empty { text-align: center; padding: 1rem; color: var(--c-faint); font-size: .78rem; }

/* 15-button Command Bar — 3 rows × 5 cols */
.command-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: .28rem;
  margin-bottom: .35rem;
  flex-shrink: 0;
}
.cmd-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .18rem;
  padding: .3rem .2rem;
  border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  background: var(--c-surface); color: var(--c-muted);
  font-family: var(--font-ui); font-size: .65rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition); text-align: center;
  white-space: nowrap;
}
.cmd-btn svg { color: var(--c-blue); flex-shrink: 0; }
.cmd-btn:hover {
  background: rgba(14,165,233,.12); border-color: rgba(14,165,233,.4);
  color: var(--c-text); transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(14,165,233,.2);
}
.cmd-btn:active { transform: translateY(0); }
.cmd-btn.cmd-danger { border-color: rgba(239,68,68,.25); }
.cmd-btn.cmd-danger svg { color: var(--c-red); }
.cmd-btn.cmd-danger:hover { background: rgba(239,68,68,.12); border-color: rgba(239,68,68,.45); box-shadow: 0 4px 14px rgba(239,68,68,.2); }
.cmd-btn.cmd-success svg { color: var(--c-green); }
.cmd-btn.cmd-success:hover { background: rgba(34,197,94,.1); border-color: rgba(34,197,94,.4); box-shadow: 0 4px 14px rgba(34,197,94,.18); }

/* Utility bar */
.utility-bar {
  display: flex; justify-content: space-between; align-items: center;
  gap: .4rem; margin-bottom: .28rem; flex-wrap: nowrap; flex-shrink: 0;
}
.breadcrumbs { display: flex; align-items: center; gap: .28rem; font-size: .78rem; flex-wrap: wrap; }
.breadcrumbs .bc-btn {
  border: none; background: transparent; color: var(--c-blue);
  font-weight: 600; cursor: pointer; padding: .18rem .4rem;
  border-radius: 5px; transition: background var(--transition);
  font-family: var(--font-ui); font-size: .78rem;
}
.breadcrumbs .bc-btn:hover { background: rgba(14,165,233,.12); }
.breadcrumbs .bc-sep { color: var(--c-faint); }
.util-acts { display: flex; gap: .35rem; flex-wrap: wrap; }
.util-btn {
  display: inline-flex; align-items: center; gap: .35rem;
  padding: .38rem .7rem; border-radius: 8px;
  border: 1px solid var(--c-border); background: var(--c-surface);
  color: var(--c-muted);
  font-family: var(--font-ui); font-size: .75rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition);
}
.util-btn:hover { background: var(--c-surface-h); color: var(--c-text); border-color: var(--c-border-h); }
.util-btn[data-active="true"] { background: rgba(245,158,11,.18); color: var(--c-amber); border-color: rgba(245,158,11,.4); }

/* Filter bar */
.filter-bar { display: flex; gap: .35rem; align-items: center; margin-bottom: .28rem; flex-wrap: nowrap; flex-shrink: 0; }
.search-wrap { position: relative; flex: 1; min-width: 180px; }
.search-icon { position: absolute; left: .6rem; top: 50%; transform: translateY(-50%); color: var(--c-muted); pointer-events: none; }
.filter-bar input[type="text"],
.filter-bar select,
.filter-bar input[type="date"] {
  width: 100%; padding: .45rem .55rem .45rem 2rem;
  border: 1px solid var(--c-border); border-radius: 8px;
  background: rgba(255,255,255,.06); color: var(--c-text);
  font-family: var(--font-ui); font-size: .78rem;
  transition: border-color var(--transition); outline: none; appearance: none;
}
.filter-bar select, .filter-bar input[type="date"] { padding-left: .55rem; }
.filter-bar input:focus, .filter-bar select:focus { border-color: var(--c-blue); }
.filter-bar option { background: #1a2535; }

/* File table — fills all remaining space in main-panel */
.file-table-wrap {
  border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  overflow: auto;
  flex: 1;
  min-height: 0;
  max-height: none;
}
.file-table-wrap::-webkit-scrollbar { width: 5px; height: 5px; }
.file-table-wrap::-webkit-scrollbar-thumb { background: var(--c-faint); border-radius: 99px; }
.file-table { width: 100%; border-collapse: collapse; min-width: 700px; }
.file-table thead tr { background: rgba(255,255,255,.05); position: sticky; top: 0; z-index: 1; }
.file-table th { padding: .52rem .65rem; font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--c-muted); white-space: nowrap; }
.file-table td { padding: .54rem .65rem; border-bottom: 1px solid rgba(255,255,255,.045); font-size: .82rem; color: var(--c-text); white-space: nowrap; }
.file-row { transition: background var(--transition); }
.file-row:hover { background: rgba(14,165,233,.07); }
.file-row.selected { background: rgba(14,165,233,.13); }
.file-icon { margin-right: .4rem; }
.col-check { width: 32px; }
.col-name  { min-width: 180px; }
.col-tier  { min-width: 80px; }
.col-status { min-width: 90px; }
.tier-badge { padding: .18rem .5rem; border-radius: 999px; font-size: .7rem; font-weight: 700; letter-spacing: .04em; }
.tier-hot     { background: rgba(239,68,68,.2);  color: #f87171; }
.tier-cool    { background: rgba(14,165,233,.2); color: #38bdf8; }
.tier-archive { background: rgba(168,85,247,.2); color: #c084fc; }
.status-badge { padding: .18rem .5rem; border-radius: 999px; font-size: .7rem; font-weight: 700; }
.status-active { background: rgba(34,197,94,.18);  color: #4ade80; }
.status-trash  { background: rgba(245,158,11,.18); color: #fbbf24; }
.file-table input[type="checkbox"] { accent-color: var(--c-blue); width: 14px; height: 14px; cursor: pointer; }

/* Details panel */
.details-content { flex: 1; margin-top: .4rem; overflow-y: auto; font-size: .78rem; line-height: 1.5; min-height: 0; }
.details-content::-webkit-scrollbar { width: 4px; }
.details-content::-webkit-scrollbar-thumb { background: var(--c-faint); border-radius: 99px; }
.detail-empty { display: flex; flex-direction: column; align-items: center; gap: .6rem; padding: 1.5rem .5rem; color: var(--c-faint); text-align: center; }
.detail-empty svg { opacity: .35; }
.detail-empty p { font-size: .78rem; color: var(--c-faint); }
.detail-block { background: rgba(255,255,255,.04); border: 1px solid var(--c-border); border-radius: 9px; padding: .65rem; margin-bottom: .5rem; }
.detail-block strong { display: block; margin-bottom: .3rem; font-size: .84rem; }
.detail-row { display: flex; justify-content: space-between; gap: .5rem; padding: .18rem 0; border-bottom: 1px solid rgba(255,255,255,.04); }
.detail-row:last-child { border-bottom: none; }
.detail-row .dk { color: var(--c-muted); font-size: .75rem; }
.detail-row .dv { color: var(--c-text); font-family: var(--font-mono); font-size: .72rem; word-break: break-all; text-align: right; max-width: 60%; }
.detail-tags { margin-top: .4rem; display: flex; flex-wrap: wrap; gap: .3rem; }
.tag-chip { padding: .15rem .45rem; background: rgba(168,85,247,.18); color: #c084fc; border-radius: 999px; font-size: .68rem; font-weight: 600; }

/* Footer — row 4, fixed 48px */
.footer-transfers { display: flex; align-items: center; padding: 0 .9rem; gap: .75rem; height: 48px; flex-shrink: 0; overflow: hidden; }
.transfer-status { display: flex; align-items: center; gap: .45rem; white-space: nowrap; flex-shrink: 0; }
.transfer-status svg { color: var(--c-blue); }
.transfer-status span { font-size: .78rem; color: var(--c-muted); }
.transfer-status span.active { color: var(--c-blue); font-weight: 600; }
.transfer-list { flex: 1; display: flex; gap: .45rem; overflow-x: auto; padding-bottom: 2px; align-items: center; }
.transfer-list::-webkit-scrollbar { height: 3px; }
.transfer-list::-webkit-scrollbar-thumb { background: var(--c-faint); border-radius: 99px; }
.transfer-item { min-width: 160px; max-width: 220px; flex-shrink: 0; padding: .35rem .55rem; border: 1px solid var(--c-border); border-radius: 9px; background: rgba(255,255,255,.04); font-size: .72rem; }
.t-name { font-weight: 600; color: var(--c-text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.t-info { color: var(--c-muted); font-size: .67rem; }
.transfer-progress { height: 4px; border-radius: 99px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: .28rem; }
.transfer-progress span { display: block; height: 100%; background: var(--grad-primary); border-radius: 99px; transition: width 300ms ease; }
.transfer-item.done .transfer-progress span { background: var(--grad-green); }
.transfer-item.fail .transfer-progress span { background: var(--grad-amber); }

/* Modals */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.7); backdrop-filter: blur(8px); display: grid; place-items: center; z-index: 200; animation: mIn 180ms ease both; }
@keyframes mIn { from{opacity:0} to{opacity:1} }
.hidden { display: none !important; }
.modal-card { width: min(700px, 94vw); background: #111c27; border: 1px solid var(--c-border-h); border-radius: var(--radius); padding: 1.2rem; animation: cIn 200ms cubic-bezier(.22,.68,0,1.2) both; box-shadow: var(--shadow-lg); }
.modal-sm { width: min(440px, 94vw); }
@keyframes cIn { from{transform:translateY(10px) scale(.98)} to{transform:none} }
.modal-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: .9rem; }
.modal-head h3 { font-size: 1rem; }
.modal-close { background: none; border: none; color: var(--c-muted); font-size: 1rem; cursor: pointer; padding: .2rem; transition: color var(--transition); }
.modal-close:hover { color: var(--c-text); }
.modal-label { display: block; font-size: .78rem; color: var(--c-muted); margin-bottom: .3rem; }
.modal-input { width: 100%; padding: .55rem .7rem; border: 1px solid var(--c-border); border-radius: 8px; background: rgba(255,255,255,.07); color: var(--c-text); font-family: var(--font-ui); font-size: .85rem; outline: none; transition: border-color var(--transition); }
.modal-input:focus { border-color: var(--c-blue); }
.modal-file-label { font-size: .78rem; color: var(--c-muted); margin-bottom: .5rem; }
.modal-actions { display: flex; justify-content: flex-end; gap: .5rem; margin-top: .9rem; }
.modal-tabs { display: flex; gap: .3rem; margin: .6rem 0 .5rem; }
.tab-btn { padding: .35rem .75rem; border-radius: 7px; border: 1px solid var(--c-border); background: transparent; color: var(--c-muted); font-family: var(--font-ui); font-size: .78rem; font-weight: 600; cursor: pointer; transition: all var(--transition); }
.tab-btn.active { background: rgba(14,165,233,.18); color: var(--c-blue); border-color: rgba(14,165,233,.4); }
.tab-pane { display: block; }
.tab-pane.hidden { display: none !important; }
#editorArea { width: 100%; min-height: 260px; max-height: 400px; padding: .7rem; border: 1px solid var(--c-border); border-radius: 9px; background: rgba(0,0,0,.3); color: #d4e6f1; font-family: var(--font-mono); font-size: .82rem; line-height: 1.6; resize: vertical; outline: none; }
#editorArea:focus { border-color: var(--c-blue); }
#htmlPreviewFrame { width: 100%; height: 260px; border: 1px solid var(--c-border); border-radius: 9px; background: #fff; }
.tier-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .5rem; margin: .5rem 0; }
.tier-card { display: flex; flex-direction: column; align-items: center; gap: .3rem; padding: .8rem .5rem; border: 1px solid var(--c-border); border-radius: 10px; background: rgba(255,255,255,.04); cursor: pointer; transition: all var(--transition); font-family: var(--font-ui); color: var(--c-muted); text-align: center; }
.tier-card:hover { border-color: var(--c-blue); background: rgba(14,165,233,.1); color: var(--c-text); }
.tier-card:hover strong { color: var(--c-blue); }
.tier-card[data-tier="archive"]:hover { border-color: var(--c-violet); background: rgba(168,85,247,.1); }
.tier-card[data-tier="archive"]:hover strong { color: var(--c-violet); }
.tier-icon { font-size: 1.4rem; }
.tier-card strong { font-size: .82rem; color: var(--c-text); }
.tier-card small { font-size: .68rem; color: var(--c-muted); }
.sas-perms { display: flex; gap: .8rem; margin-top: .3rem; font-size: .8rem; }
.sas-perms label { display: flex; align-items: center; gap: .3rem; color: var(--c-text); cursor: pointer; }
.sas-perms input { accent-color: var(--c-blue); }
.meta-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: .5rem; }
.meta-cols h4 { font-size: .8rem; color: var(--c-muted); margin-bottom: .5rem; }
.kv-list { display: grid; gap: .35rem; }
.kv-row { display: grid; grid-template-columns: 1fr 1fr auto; gap: .3rem; align-items: center; }
.kv-row input { padding: .38rem .5rem; border: 1px solid var(--c-border); border-radius: 7px; background: rgba(255,255,255,.06); color: var(--c-text); font-family: var(--font-mono); font-size: .75rem; outline: none; }
.kv-row input:focus { border-color: var(--c-blue); }
.kv-del { background: none; border: 1px solid var(--c-border); color: var(--c-red); border-radius: 6px; width: 24px; height: 24px; cursor: pointer; font-size: .85rem; display: grid; place-items: center; }
.history-list { list-style: none; display: grid; gap: .4rem; max-height: 320px; overflow-y: auto; }
.history-list::-webkit-scrollbar { width: 4px; }
.history-list::-webkit-scrollbar-thumb { background: var(--c-faint); border-radius: 99px; }
.history-item { display: flex; justify-content: space-between; align-items: center; padding: .55rem .7rem; border: 1px solid var(--c-border); border-radius: 9px; background: rgba(255,255,255,.04); font-size: .8rem; }
.history-item .hi-meta { color: var(--c-muted); font-size: .72rem; margin-top: .12rem; }

/* Context menu */
.ctx-menu { position: fixed; z-index: 300; background: #111c27; border: 1px solid var(--c-border-h); border-radius: 10px; padding: .35rem; min-width: 180px; box-shadow: var(--shadow-lg); animation: ctxIn 130ms ease both; }
@keyframes ctxIn { from{opacity:0;transform:scale(.95) translateY(-4px)} to{opacity:1;transform:none} }
.ctx-menu button { display: flex; align-items: center; gap: .45rem; width: 100%; padding: .42rem .65rem; border: none; background: none; color: var(--c-text); font-family: var(--font-ui); font-size: .8rem; text-align: left; border-radius: 7px; cursor: pointer; transition: background var(--transition); }
.ctx-menu button:hover { background: var(--c-surface-h); }
.ctx-menu button.ctx-danger { color: var(--c-red); }
.ctx-menu button.ctx-danger:hover { background: rgba(239,68,68,.12); }
.ctx-divider { height: 1px; background: var(--c-border); margin: .3rem .35rem; }

/* Toast */
.toast-container { position: fixed; bottom: 1.5rem; right: 1.2rem; z-index: 400; display: flex; flex-direction: column-reverse; gap: .5rem; pointer-events: none; }
.toast { display: flex; align-items: center; gap: .55rem; padding: .65rem 1rem; border-radius: 10px; background: #111c27; border: 1px solid var(--c-border-h); color: var(--c-text); font-size: .8rem; font-weight: 500; box-shadow: var(--shadow); min-width: 260px; animation: tIn 250ms cubic-bezier(.22,.68,0,1.2) both, tOut 250ms ease 3.5s both; pointer-events: auto; }
.toast.toast-success { border-color: rgba(34,197,94,.4); }
.toast.toast-success .toast-dot { background: var(--c-green); }
.toast.toast-error   { border-color: rgba(239,68,68,.4); }
.toast.toast-error   .toast-dot { background: var(--c-red); }
.toast.toast-info    .toast-dot { background: var(--c-blue); }
.toast-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
@keyframes tIn  { from{opacity:0;transform:translateX(16px) scale(.96)} to{opacity:1;transform:none} }
@keyframes tOut { from{opacity:1} to{opacity:0;transform:translateX(16px) scale(.96)} }

/* Hover preview */
.hover-preview { position: fixed; z-index: 350; background: #0d1a25; border: 1px solid var(--c-border-h); border-radius: 9px; padding: .5rem .7rem; font-size: .75rem; max-width: 280px; color: var(--c-text); pointer-events: none; box-shadow: var(--shadow); line-height: 1.45; }

/* Form elements */
select, input, textarea { font-family: var(--font-ui); color-scheme: dark; }

/* ── Structural layout fixes ─────────────────── */
.gauge-panel, .trend-panel { display: flex; flex-direction: column; }

.sidebar {
  display: flex; flex-direction: column; min-height: 0; overflow: hidden;
}
.details-panel {
  display: flex; flex-direction: column; min-height: 0; overflow: hidden;
}
.details-content {
  flex: 1; overflow-y: auto; min-height: 0;
}
.main-panel {
  display: flex; flex-direction: column; min-height: 0; overflow: hidden;
}
.workspace { align-items: stretch; }
.analytics-grid { align-items: stretch; }

/* Select arrow */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236b8394' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .6rem center;
  padding-right: 1.6rem !important;
}

input[type="file"] { display: none; }

.file-table td[colspan] { text-align: center; padding: 2rem 1rem; color: var(--c-muted); font-size: .82rem; }

/* Scrollbars */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--c-faint); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-muted); }

/* ══ Structural helpers ══ */
.gauge-wrap { display: flex; gap: .7rem; align-items: center; flex: 1; min-height: 0; }

/* ══ Responsive ══ */
@media (max-width:1280px) {
  .analytics-grid { grid-template-columns: 200px 1fr; }
  .workspace      { grid-template-columns: 190px 1fr 210px; }
}
@media (max-width:1024px) {
  .workspace      { grid-template-columns: 180px 1fr; }
  .details-panel  { display: none; }
  .analytics-grid { grid-template-columns: 180px 1fr; }
}
@media (max-width:768px) {
  .sidebar        { display: none; }
  .workspace      { grid-template-columns: 1fr; }
  .app-shell      { grid-template-rows: 52px 140px 1fr 48px; }
}
@media (max-width:520px) {
  .command-bar    { grid-template-columns: repeat(4, 1fr); }
  .analytics-grid { display: none; }
  .app-shell      { grid-template-rows: 52px 1fr 48px; }
}