:root {
  --bg: #08111f;
  --bg-deep: #050c17;
  --panel: #111b2d;
  --panel-2: #162238;
  --panel-3: #0d1727;
  --line: #263650;
  --line-soft: #1c2a40;
  --text: #f1f6ff;
  --muted: #96a8c2;
  --accent: #4f8cff;
  --accent-strong: #2f73ed;
  --good: #48d6a3;
  --warn: #ffc266;
  --danger: #ff727c;
  --shadow: 0 22px 55px rgba(0, 0, 0, .24);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
  overflow-x: hidden;
}
button, input, select, textarea { font: inherit; letter-spacing: 0; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; text-decoration: none; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(5, 14, 26, .96);
  backdrop-filter: blur(16px);
}
.app-brand { display: flex; align-items: center; gap: 12px; min-width: 0; font-weight: 800; }
.app-brand img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.app-brand span { white-space: nowrap; }
.app-brand small { color: var(--muted); font-size: 13px; font-weight: 600; }
.mode-tabs { display: flex; align-items: center; gap: 8px; }
.mode-tabs button, .side-nav button, .button {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--panel);
  transition: border-color .18s ease, background .18s ease, transform .18s ease;
}
.mode-tabs button { padding: 0 16px; }
.mode-tabs button:hover, .side-nav button:hover, .button:hover { border-color: #46658f; }
.mode-tabs button.active, .side-nav button.active, .button.primary {
  border-color: var(--accent);
  color: #06101e;
  background: var(--accent);
  font-weight: 800;
}
.button:hover { transform: translateY(-1px); }
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0 15px; }
.button.ghost { background: transparent; }
.button.danger { color: #ffd9dc; border-color: #66313b; background: #321a23; }
.button.success { color: #baf5df; border-color: #245c4a; background: #15362e; }

.app-shell { min-height: calc(100vh - 72px); display: grid; grid-template-columns: 240px minmax(0, 1fr); }
.sidebar {
  position: sticky;
  top: 72px;
  height: calc(100vh - 72px);
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  border-right: 1px solid var(--line);
  background: var(--bg-deep);
}
.sidebar-label { margin: 0 0 10px; color: var(--muted); font-size: 12px; }
.side-nav { display: grid; gap: 8px; }
.side-nav button { width: 100%; padding: 0 14px; text-align: left; }
.sidebar-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: auto;
  padding: 14px 10px 2px;
  border-top: 1px solid var(--line-soft);
}
.sidebar-foot div { display: grid; gap: 2px; }
.sidebar-foot strong { font-size: 12px; }
.sidebar-foot small { color: var(--muted); font-size: 11px; }
.status-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--good); box-shadow: 0 0 0 4px rgba(72, 214, 163, .1); }

.workspace { width: 100%; min-width: 0; max-width: 100%; padding: 24px; overflow: hidden; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 18px; }
.metric, .card, .hero, .table-wrap, .notice, .form-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.metric { min-width: 0; min-height: 98px; display: flex; flex-direction: column; justify-content: center; padding: 16px; }
.metric small { color: var(--muted); }
.metric strong { margin-top: 6px; font-size: 28px; line-height: 1; }
.screen { min-height: 620px; }
.hero { min-width: 0; display: grid; grid-template-columns: minmax(0, 1.04fr) minmax(360px, .96fr); gap: 30px; align-items: center; padding: 34px; }
.hero-copy { max-width: 700px; }
.hero h1 { max-width: 730px; margin: 16px 0 18px; font-size: clamp(34px, 4vw, 56px); line-height: 1.05; }
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { margin-top: 0; }
.lead { margin: 0; color: var(--muted); font-size: 18px; line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  color: #b8d1ff;
  background: #173463;
  font-size: 12px;
  font-weight: 800;
}
.badge.good { color: #9af0cf; background: #143c30; }
.badge.warn { color: #ffdb9d; background: #483319; }
.badge.danger { color: #ffc0c5; background: #4a2029; }
.product-frame { min-width: 0; overflow: hidden; padding: 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-3); box-shadow: var(--shadow); }
.product-frame-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.product-frame img { width: 100%; height: 310px; display: block; object-fit: cover; object-position: top; border: 1px solid #334562; border-radius: 6px; }
.product-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 10px; }
.product-kpis div { padding: 12px; border: 1px solid var(--line); border-radius: 6px; background: var(--panel-2); }
.product-kpis span { color: var(--muted); font-size: 13px; }
.product-kpis strong { display: block; margin-top: 4px; font-size: 22px; }

.section-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.section-head h2 { margin-bottom: 5px; }
.section-head p, .muted { margin: 0; color: var(--muted); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 14px; }
.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)); }
.card { padding: 18px; }
.card h3 { margin-bottom: 10px; }
.card p { line-height: 1.6; }
.feature-card { min-height: 154px; }
.number { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 28px; border-radius: 6px; color: #b9d1ff; background: #173463; font-weight: 800; font-size: 12px; }
.bar { height: 9px; margin-top: 16px; overflow: hidden; border-radius: 99px; background: #24334c; }
.bar span { display: block; height: 100%; background: var(--accent); }
.notice { padding: 16px; border-left: 4px solid var(--accent); }
.notice + .notice { margin-top: 10px; }

.form-panel { padding: 20px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
label { display: grid; gap: 7px; color: var(--muted); font-size: 13px; }
input, select, textarea {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 7px;
  outline: none;
  color: var(--text);
  background: var(--panel-3);
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79, 140, 255, .13); }
textarea { min-height: 112px; resize: vertical; }
.check-row { display: flex; flex-wrap: wrap; gap: 10px; grid-column: 1 / -1; }
.check-row label { display: flex; grid-template-columns: auto 1fr; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 7px; }
.check-row input { width: 17px; min-height: 17px; }
.table-wrap { overflow: auto; }
table { width: 100%; min-width: 780px; border-collapse: collapse; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: #bdcbe0; font-size: 12px; }
td { color: #e6eefb; font-size: 14px; }
.table-actions { display: flex; gap: 6px; }
.table-actions button { min-height: 32px; padding: 0 9px; }

.license-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(340px, .72fr);
  gap: 16px;
  align-items: start;
}
.license-list-panel, .license-create-panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #080f1b;
  box-shadow: var(--shadow);
}
.license-list-panel { padding: 14px; }
.license-create-panel { position: sticky; top: 94px; padding: 18px; }
.license-toolbar {
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  padding: 4px 4px 14px;
  border-bottom: 1px solid var(--line-soft);
}
.license-search input { min-height: 40px; border-radius: 999px; background: #050a12; }
.license-filter-group { display: flex; gap: 6px; }
.filter-chip, .layout-toggle, .icon-button, .license-action {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #c8d5e8;
  background: #0a111d;
}
.filter-chip { padding: 0 12px; }
.filter-chip.active { color: #e7f0ff; border-color: #46658f; background: #17243a; }
.filter-chip.active.good { color: #9af0cf; border-color: #245c4a; background: #143c30; }
.filter-chip.active.warn { color: #ffdb9d; border-color: #6e5225; background: #483319; }
.filter-chip.active.danger { color: #ffc0c5; border-color: #69323b; background: #4a2029; }
.layout-toggle { padding: 0 15px; border-radius: 8px; }
.license-list-info { display: flex; justify-content: space-between; gap: 16px; padding: 12px 4px; color: var(--muted); font-size: 12px; }
.license-list-info strong { color: #dfe9f8; }
.license-results { display: grid; gap: 10px; }
.license-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 154px;
  overflow: hidden;
  border: 1px solid #1e2d43;
  border-radius: 8px;
  background: #0b1422;
}
.license-item-main { min-width: 0; padding: 15px; }
.license-key-row, .license-title-row, .license-device-title, .license-module-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.license-key-row code { color: #788aa4; font-size: 11px; letter-spacing: 1px; }
.icon-button { min-height: 30px; padding: 0 10px; border-radius: 6px; font-size: 11px; }
.license-title-row { margin-top: 8px; }
.license-title-row h3 { margin: 0; font-size: 17px; }
.license-meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin-top: 8px; color: var(--muted); font-size: 11px; }
.license-module-line { justify-content: flex-start; margin-top: 12px; padding: 9px 10px; border: 1px solid var(--line-soft); border-radius: 6px; color: var(--muted); font-size: 11px; background: #0e1929; }
.license-module-line strong { color: #c9d6e8; }
.license-device-title { margin: 13px 0 7px; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.license-device-title strong { color: #dce6f5; }
.license-device-table { overflow: hidden; border: 1px solid var(--line-soft); border-radius: 6px; }
.license-device-head, .license-device-row { display: grid; grid-template-columns: 1.25fr 1fr 1fr .8fr .55fr; gap: 8px; align-items: center; }
.license-device-head { padding: 7px 9px; color: #899bb4; background: #09111e; font-size: 9px; text-transform: uppercase; }
.license-device-row { padding: 8px 9px; color: #cbd8e9; border-top: 1px solid var(--line-soft); font-size: 10px; }
.license-device-row strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.license-device-row .badge { min-height: 22px; padding: 0 7px; font-size: 9px; }
.license-device-empty { padding: 12px; border: 1px dashed #2b3d57; border-radius: 6px; color: var(--muted); text-align: center; font-size: 11px; }
.license-card-actions { display: grid; align-content: center; gap: 7px; padding: 13px; border-left: 1px solid var(--line-soft); background: #080f1a; }
.license-action { width: 100%; min-height: 34px; padding: 0 9px; border-radius: 999px; font-size: 11px; }
.license-action.success { color: #9af0cf; border-color: #245c4a; background: #113229; }
.license-action.warning { color: #ffdb9d; border-color: #6e5225; background: #3d2d18; }
.license-action.danger { color: #ffc0c5; border-color: #69323b; background: #3d1b23; }
.license-empty { min-height: 190px; display: grid; place-content: center; gap: 6px; color: var(--muted); text-align: center; }
.license-empty strong { color: #d9e4f4; }
.license-summary-table table { min-width: 940px; }
.license-summary-table th, .license-summary-table td { padding: 11px 12px; }

.license-create-heading small { color: #70829b; font-size: 10px; letter-spacing: 1.5px; }
.license-create-heading h2 { margin: 6px 0 7px; font-size: 22px; }
.license-create-heading p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.5; }
.license-preview { margin: 16px 0; padding: 13px; border: 1px solid #263852; border-radius: 8px; background: #0e1929; box-shadow: inset 0 0 34px rgba(45, 113, 231, .08); }
.preview-top { height: 20px; display: flex; align-items: center; gap: 5px; padding: 0 7px; border-radius: 4px; background: #122139; }
.preview-top i { width: 4px; height: 4px; border-radius: 50%; background: #4b668d; }
.preview-top span { width: 34px; height: 7px; margin-left: auto; border-radius: 99px; background: #174f4a; }
.preview-grid { display: grid; grid-template-columns: 72px 1fr; gap: 8px; margin-top: 8px; }
.preview-side, .preview-main { min-height: 94px; display: flex; flex-direction: column; gap: 7px; padding: 9px; border: 1px solid #223650; border-radius: 5px; background: #102038; }
.preview-side b, .preview-main span, .preview-main em { display: block; height: 6px; border-radius: 99px; background: #5edbc3; }
.preview-side b:nth-child(2), .preview-main span:nth-child(2) { width: 70%; background: #53a9ef; }
.preview-side b:nth-child(3), .preview-main span:nth-child(3) { width: 48%; }
.preview-main { display: grid; grid-template-columns: 1fr 1fr; align-content: start; }
.preview-main span { width: 100%; }
.preview-main em { grid-column: 1 / -1; width: 76%; height: 5px; }
.license-create-form { display: grid; gap: 12px; }
.license-create-form > label, .license-expiry-row label { font-size: 11px; }
.license-create-form input, .license-create-form textarea { min-height: 40px; background: #050a12; }
.license-create-form textarea { min-height: 78px; }
.license-expiry-row { display: grid; grid-template-columns: 1fr auto; gap: 9px; align-items: end; }
.inline-check { min-height: 40px; display: flex; align-items: center; gap: 7px; padding: 0 10px; border: 1px solid var(--line); border-radius: 7px; white-space: nowrap; background: #050a12; }
.inline-check input, .license-modules input { width: 16px; min-height: 16px; }
.license-modules { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin: 0; padding: 10px; border: 1px solid var(--line); border-radius: 7px; }
.license-modules legend { padding: 0 6px; color: var(--muted); font-size: 11px; }
.license-modules label { display: flex; align-items: center; gap: 7px; padding: 7px; border-radius: 5px; background: #0d1727; }
.license-rule-note { display: grid; gap: 5px; padding: 11px 12px; border: 1px solid #245c4a; border-radius: 7px; color: #a9b9ce; background: #102921; font-size: 11px; line-height: 1.45; }
.license-rule-note strong { color: #9af0cf; }
.license-create-button { width: 100%; margin-top: 2px; }
.empty { display: grid; place-items: center; min-height: 260px; color: var(--muted); text-align: center; }
.toast { position: fixed; right: 22px; bottom: 22px; z-index: 50; max-width: 360px; padding: 13px 16px; border: 1px solid #355076; border-radius: 8px; color: var(--text); background: #13233a; box-shadow: var(--shadow); opacity: 0; transform: translateY(10px); pointer-events: none; transition: .2s ease; }
.toast.show { opacity: 1; transform: translateY(0); }

@media (max-width: 1080px) {
  .app-shell { grid-template-columns: 205px minmax(0, 1fr); }
  .hero { grid-template-columns: 1fr; }
  .product-frame img { height: 280px; }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .license-workspace { grid-template-columns: 1fr; }
  .license-create-panel { position: relative; top: auto; }
}
@media (max-width: 780px) {
  .topbar { position: relative; flex-direction: column; align-items: stretch; gap: 12px; }
  .mode-tabs { width: 100%; min-width: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mode-tabs button { min-width: 0; padding: 0 6px; font-size: 12px; white-space: normal; }
  .app-shell { display: block; }
  .sidebar { position: relative; top: auto; width: 100%; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .side-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sidebar-foot { display: none; }
  .workspace { padding: 16px; }
  .metrics, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics > *, .side-nav > * { min-width: 0; }
  .grid-2, .grid-3, .form-grid { grid-template-columns: 1fr; }
  .hero { padding: 22px; }
  .hero h1 { font-size: 36px; }
  .license-toolbar { grid-template-columns: 1fr; }
  .license-filter-group { flex-wrap: wrap; }
  .license-list-info { flex-direction: column; gap: 4px; }
  .license-item { grid-template-columns: 1fr; }
  .license-card-actions { grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 0; border-top: 1px solid var(--line-soft); }
  .license-device-head { display: none; }
  .license-device-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .app-brand small { display: none; }
  .metrics { gap: 8px; }
  .metric { min-height: 82px; padding: 12px; }
  .metric strong { font-size: 22px; }
  .side-nav { grid-template-columns: 1fr; }
  .section-head { align-items: flex-start; flex-direction: column; }
  .product-frame img { height: 190px; }
  .license-list-panel, .license-create-panel { padding: 12px; }
  .license-card-actions, .license-modules { grid-template-columns: 1fr; }
  .license-expiry-row { grid-template-columns: 1fr; }
}