:root {
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --muted-2: #86868b;
  --line: rgba(0, 0, 0, .075);
  --hairline: rgba(0, 0, 0, .055);
  --surface: rgba(255, 255, 255, .86);
  --surface-strong: rgba(255, 255, 255, .96);
  --canvas: #f5f5f7;
  --soft: rgba(0, 0, 0, .035);
  --primary: #0071e3;
  --primary-strong: #0062c4;
  --primary-soft: rgba(0, 113, 227, .105);
  --accent: #b26a00;
  --accent-soft: rgba(255, 159, 10, .14);
  --success: #34c759;
  --success-soft: rgba(52, 199, 89, .13);
  --danger: #d70015;
  --danger-soft: rgba(255, 59, 48, .105);
  --shadow: 0 18px 60px rgba(0, 0, 0, .075);
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, .045);
  --radius: 24px;
  --radius-sm: 14px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body { min-height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(0, 113, 227, .08), transparent 34%),
    radial-gradient(circle at 86% 10%, rgba(175, 82, 222, .07), transparent 30%),
    linear-gradient(180deg, #fbfbfd 0%, var(--canvas) 52%, #f2f2f5 100%);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "Helvetica Neue", "Segoe UI", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

button, input, select, textarea { font: inherit; }
button { color: inherit; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
button, input, select, textarea { appearance: none; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 113, 227, .14), transparent 34%),
    linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
}

.login-card {
  width: min(440px, 100%);
  padding: 44px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 32px;
  background: rgba(255,255,255,.78);
  box-shadow: var(--shadow);
  backdrop-filter: blur(34px) saturate(180%);
}

.login-card h1 { margin: 8px 0 12px; font-size: 32px; letter-spacing: -.045em; line-height: 1.05; }
.login-card form { margin-top: 28px; }
.demo-hint { margin: 18px 0 0; color: var(--muted); text-align: center; font-size: 13px; }
.password-wrap { position: relative; }
.password-wrap input { padding-right: 68px; }
.password-wrap input::-ms-reveal,
.password-wrap input::-ms-clear {
  display: none;
}
.password-toggle {
  position: absolute;
  top: 50%;
  right: 8px;
  width: 38px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  padding: 6px;
  color: var(--primary);
  background: transparent;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-50%);
  transition: opacity .16s ease, background .16s ease;
}
.password-wrap.has-value .password-toggle {
  opacity: 1;
  pointer-events: auto;
}
.password-toggle:hover { background: var(--primary-soft); }
.eye-icon {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.eye-closed { display: none; }
.password-toggle.showing .eye-open { display: none; }
.password-toggle.showing .eye-closed { display: block; }

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 16px 20px;
  display: flex;
  flex-direction: column;
  color: var(--ink);
  border-right: 1px solid var(--hairline);
  background: rgba(246, 246, 248, .72);
  backdrop-filter: blur(34px) saturate(180%);
}

.brand { display: flex; gap: 12px; align-items: center; padding: 0 8px 30px; }
.brand strong, .brand span { display: block; }
.brand strong { font-size: 16px; letter-spacing: .02em; }
.brand span { margin-top: 2px; color: var(--muted); font-size: 12px; }

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(145deg, #2997ff, #006edb);
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(0, 113, 227, .22);
}

.brand-mark.large { width: 54px; height: 54px; border-radius: 17px; font-size: 20px; }

.nav { display: grid; gap: 7px; }
.nav-item {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
  display: flex;
  gap: 12px;
  align-items: center;
  color: #525257;
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: background .16s ease, color .16s ease, transform .16s ease;
}
.nav-item:hover { color: var(--ink); background: rgba(255,255,255,.68); }
.nav-item.active { color: var(--ink); background: rgba(255,255,255,.92); box-shadow: var(--shadow-soft); }
.nav-icon { width: 24px; text-align: center; opacity: .9; }

.sidebar-foot { margin-top: auto; display: grid; gap: 14px; padding: 0 8px; }
.environment-pill { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 12px; }
.environment-pill span { width: 8px; height: 8px; border-radius: 50%; background: #34c759; box-shadow: 0 0 0 4px rgba(52,199,89,.11); }
.text-button { padding: 0; border: 0; color: var(--muted); background: none; cursor: pointer; text-align: left; }
.text-button:hover { color: var(--ink); }

.main {
  width: 100%;
  max-width: 1200px;
  min-width: 0;
  margin: 0 auto;
  padding: 34px 38px 60px;
}
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.topbar h2 { margin: 4px 0 0; font-size: 32px; letter-spacing: -.05em; font-weight: 750; line-height: 1.08; }
.topbar-actions { display: flex; align-items: center; gap: 14px; }
.save-indicator { color: var(--muted); font-size: 12px; }

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}
.muted { color: var(--muted); }

.page { display: none; }
.page.active { display: block; animation: page-in .2s ease-out; }
@keyframes page-in { from { opacity: 0; transform: translateY(4px); } }

.release-banner,
.config-version-bar {
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid rgba(0, 113, 227, .12);
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(232, 242, 255, .66);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(20px) saturate(160%);
}
.release-banner.pending {
  border-color: rgba(255, 159, 10, .20);
  background: rgba(255, 247, 232, .78);
}
.release-banner.failed {
  border-color: rgba(215, 0, 21, .18);
  background: rgba(255, 235, 235, .82);
}
.release-main { min-width: 0; display: flex; align-items: center; gap: 12px; }
.release-main strong,
.config-version-bar strong { display: block; font-size: 13px; }
.release-main span:not(.release-icon),
.config-version-bar span:not(.tag) { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }
.release-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--primary);
  background: rgba(255,255,255,.85);
  font-weight: 700;
}

.button {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 9px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: rgba(255,255,255,.86);
  cursor: pointer;
  font-weight: 650;
  font-size: 13px;
  transition: transform .16s ease, background .16s ease, border-color .16s ease, box-shadow .16s ease, opacity .16s ease;
}
.button:hover { transform: translateY(-1px); }
.button:active { transform: translateY(0) scale(.985); }
.button.primary { color: white; background: var(--primary); box-shadow: 0 9px 24px rgba(0,113,227,.18); }
.button.primary:hover { background: var(--primary-strong); }
.button.ghost { border-color: var(--hairline); background: rgba(255,255,255,.86); }
.button.ghost:hover { background: rgba(255,255,255,.96); box-shadow: var(--shadow-soft); }
.button.danger { color: white; background: var(--danger); }
.button.subtle-danger { color: var(--danger); border-color: rgba(215,0,21,.16); background: rgba(255,255,255,.88); }
.button.full { width: 100%; }
.button.small { min-height: 34px; padding: 7px 10px; font-size: 12px; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 12px; }
.metric-grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.metric-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.metric-card, .panel {
  border: 1px solid rgba(255,255,255,.68);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(26px) saturate(170%);
}
.metric-card { min-height: 130px; padding: 20px 21px; }
.metric-link {
  width: 100%;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.metric-link:hover {
  border-color: rgba(0,113,227,.24);
  transform: translateY(-2px);
}
.metric-label { color: var(--muted); font-size: 12px; font-weight: 700; }
.metric-value { margin: 8px 0 3px; font-size: 31px; font-weight: 760; letter-spacing: -.055em; }
.metric-grid.three .metric-card:nth-child(2) .metric-value {
  font-size: clamp(17px, 1.6vw, 22px);
  letter-spacing: -.025em;
}
.metric-note { color: var(--muted); font-size: 12px; }

.content-grid { margin-top: 14px; display: grid; grid-template-columns: 1.3fr .7fr; gap: 14px; }
.panel { padding: 20px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.panel-head h3 { margin: 0; font-size: 16px; }
.panel-head p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }

.node-list, .activity-list, .user-list { display: grid; gap: 12px; }
.node-row, .activity-row {
  padding: 13px 14px;
  border: 1px solid var(--hairline);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.node-main, .activity-main { display: flex; gap: 12px; align-items: center; min-width: 0; }
.status-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 5px var(--success-soft); flex: 0 0 auto; }
.status-dot.warn { background: #ff9f0a; box-shadow: 0 0 0 5px var(--accent-soft); }
.status-dot.danger { background: var(--danger); box-shadow: 0 0 0 5px rgba(215,0,21,.12); }
.node-row strong, .activity-row strong { display: block; font-size: 13px; }
.node-row span, .activity-row span { color: var(--muted); font-size: 12px; }

.version-layout {
  margin-top: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, .75fr);
  gap: 14px;
}
.version-list,
.snapshot-list {
  display: grid;
  gap: 12px;
}
.version-row,
.snapshot-row {
  border: 1px solid var(--hairline);
  border-radius: 18px;
  padding: 14px;
  background: rgba(255,255,255,.68);
}
.version-row {
  display: grid;
  grid-template-columns: minmax(170px, .8fr) minmax(0, 1.4fr);
  gap: 12px;
  align-items: center;
}
.version-row.ok { border-color: rgba(52,199,89,.18); }
.version-row.warn { border-color: rgba(255,159,10,.22); background: rgba(255,247,232,.68); }
.version-row.failed { border-color: rgba(215,0,21,.18); background: rgba(255,235,235,.72); }
.version-row strong,
.snapshot-row strong {
  display: block;
  font-size: 13px;
}
.version-row span,
.snapshot-row span {
  color: var(--muted);
  font-size: 12px;
}
.version-cells {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 8px;
}
.version-cells span {
  border-radius: 13px;
  padding: 9px 10px;
  background: rgba(255,255,255,.72);
  color: var(--ink);
  font-weight: 650;
  overflow: hidden;
  text-overflow: ellipsis;
}
.version-cells small {
  display: block;
  margin-bottom: 3px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.version-row code {
  grid-column: 1 / -1;
  border-radius: 13px;
  padding: 10px 12px;
  background: rgba(246,247,249,.88);
  color: var(--muted);
  font-size: 12px;
  overflow: auto;
}
.snapshot-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.node-meta { text-align: right; }
.node-meta strong { color: var(--primary); }
.node-link {
  width: 100%;
  color: inherit;
  font: inherit;
  background: rgba(255,255,255,.72);
  cursor: pointer;
  text-align: left;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.node-link:hover { border-color: rgba(0,113,227,.22); background: rgba(255,255,255,.96); transform: translateY(-1px); }

.activity-link {
  width: 100%;
  font: inherit;
  color: inherit;
  background: rgba(255,255,255,.72);
  cursor: pointer;
  text-align: left;
  transition: transform .16s ease, background .16s ease, border-color .16s ease;
}
.activity-link:hover {
  border-color: rgba(0,113,227,.22);
  background: rgba(255,255,255,.96);
  transform: translateY(-1px);
}

.toolbar { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.toolbar-group { display: flex; flex-wrap: wrap; gap: 9px; }
.search {
  min-width: 240px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 10px 14px;
  background: rgba(255,255,255,.88);
  outline: none;
}
.search:focus, .field input:focus, .field select:focus, .field textarea:focus { border-color: rgba(0,113,227,.62); box-shadow: 0 0 0 4px rgba(0,113,227,.12); }

.user-card { padding: 0; overflow: hidden; }
.user-head { padding: 18px 20px; display: flex; justify-content: space-between; gap: 16px; align-items: flex-start; }
.user-identity { display: flex; gap: 13px; align-items: center; }
.avatar { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: var(--primary); background: linear-gradient(180deg, rgba(0,113,227,.12), rgba(0,113,227,.06)); font-weight: 700; }
.user-identity h3 { margin: 0; font-size: 15px; }
.user-identity p { margin: 4px 0 0; color: var(--muted); font-size: 12px; }
.user-title-line { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.node-permissions { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; margin-top: 8px; }
.node-permissions > span { margin-right: 2px; color: var(--muted); font-size: 10px; font-weight: 650; }
.node-family {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  background: rgba(255,255,255,.62);
}
.node-family > span {
  padding: 0 5px 0 7px;
  color: var(--text);
  font-size: 10px;
  font-weight: 700;
}
.node-choice {
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 4px 8px;
  color: var(--muted);
  background: rgba(255,255,255,.78);
  cursor: pointer;
  font-size: 10px;
  font-weight: 650;
}
.node-choice.selected { color: var(--primary); border-color: rgba(0,113,227,.18); background: var(--primary-soft); }
.node-choice:disabled { opacity: .45; cursor: not-allowed; }
.user-actions { display: flex; gap: 8px; align-items: center; }
.device-list { border-top: 1px solid var(--hairline); }
.device-row { padding: 15px 20px 15px 74px; display: grid; grid-template-columns: minmax(140px,1fr) minmax(180px,1.3fr) auto; gap: 15px; align-items: center; }
.device-row + .device-row { border-top: 1px solid var(--hairline); }
.device-name strong { display: block; font-size: 13px; }
.device-name span, .credential span { color: var(--muted); font-size: 11px; }
.credential code { display: block; max-width: 260px; overflow: hidden; text-overflow: ellipsis; color: #3a3a3c; font-size: 11px; white-space: nowrap; }
.device-actions { display: flex; gap: 6px; }

.switch { position: relative; width: 42px; height: 24px; display: inline-block; flex: 0 0 auto; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch span { position: absolute; inset: 0; border-radius: 999px; background: #d2d2d7; cursor: pointer; transition: .2s; }
.switch span::after { content: ""; position: absolute; width: 17px; height: 17px; left: 3px; top: 3px; border-radius: 50%; background: white; box-shadow: 0 2px 6px rgba(0,0,0,.18); transition: .2s; }
.switch input:checked + span { background: #34c759; }
.switch input:checked + span::after { transform: translateX(19px); }
.switch input:disabled + span { opacity: .45; cursor: not-allowed; }

.tag { border-radius: 999px; padding: 5px 9px; display: inline-flex; align-items: center; gap: 5px; font-size: 11px; font-weight: 650; }
.tag.ok { color: #1f7a3a; background: var(--success-soft); }
.tag.warn { color: var(--accent); background: var(--accent-soft); }
.tag.danger { color: var(--danger); background: var(--danger-soft); }
.tag.neutral { color: #5d5d62; background: rgba(0,0,0,.045); }

.empty { padding: 48px 20px; text-align: center; color: var(--muted); }
.empty strong { display: block; margin-bottom: 5px; color: var(--ink); }

.monitor-filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.select {
  min-height: 40px;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 9px 36px 9px 14px;
  color: var(--ink);
  background:
    linear-gradient(45deg, transparent 50%, var(--muted-2) 50%) calc(100% - 18px) 50% / 6px 6px no-repeat,
    linear-gradient(135deg, var(--muted-2) 50%, transparent 50%) calc(100% - 13px) 50% / 6px 6px no-repeat,
    rgba(255,255,255,.88);
  box-shadow: var(--shadow-soft);
  outline: none;
  cursor: pointer;
  transition: border-color .16s ease, box-shadow .16s ease, background-color .16s ease, transform .16s ease;
}
.select:hover { background-color: rgba(255,255,255,.96); }
.select:focus { border-color: rgba(0,113,227,.62); box-shadow: 0 0 0 4px rgba(0,113,227,.12), var(--shadow-soft); }
.select.select-native {
  display: none;
}
.custom-select {
  position: relative;
  min-width: 170px;
}
.device-picker .custom-select,
.field .custom-select {
  width: 100%;
}
.custom-select-button {
  min-height: 40px;
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 999px;
  padding: 9px 36px 9px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
  background: rgba(255,255,255,.88);
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease, transform .16s ease;
}
.custom-select-button::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.7px solid var(--muted-2);
  border-bottom: 1.7px solid var(--muted-2);
  transform: rotate(45deg) translateY(-2px);
  flex: 0 0 auto;
}
.custom-select.open .custom-select-button {
  border-color: rgba(0,113,227,.62);
  box-shadow: 0 0 0 4px rgba(0,113,227,.12), var(--shadow-soft);
  background: rgba(255,255,255,.98);
}
.custom-select-menu {
  position: absolute;
  z-index: 50;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  max-height: 260px;
  overflow: auto;
  padding: 6px;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 18px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 18px 48px rgba(0,0,0,.16);
  backdrop-filter: blur(26px) saturate(170%);
  display: none;
}
.custom-select.open .custom-select-menu {
  display: grid;
  gap: 2px;
  animation: select-menu-in .14s ease-out;
}
.custom-select-option {
  min-height: 34px;
  border: 0;
  border-radius: 12px;
  padding: 8px 10px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  text-align: left;
}
.custom-select-option:hover {
  background: rgba(0,113,227,.08);
}
.custom-select-option.selected {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 650;
}
@keyframes select-menu-in {
  from { opacity: 0; transform: translateY(-4px) scale(.98); }
}
.log-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.log-table th { padding: 11px 12px; color: var(--muted-2); border-bottom: 1px solid var(--hairline); text-align: left; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.log-table td { padding: 14px 12px; border-bottom: 1px solid var(--hairline); vertical-align: middle; }
.log-table tbody tr { transition: background .16s ease; }
.log-table tbody tr:hover { background: rgba(0,0,0,.018); }
.log-table tr:last-child td { border-bottom: 0; }
.log-table th:nth-child(4),
.log-table td.ip-cell {
  width: 190px;
  text-align: center;
}
.ip-stack {
  display: inline-grid;
  justify-items: center;
  gap: 6px;
  min-width: 154px;
}
.ip-chip {
  min-width: 138px;
  padding: 2px 0;
  border-radius: 0;
  display: block;
  background: transparent;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.15;
  text-align: center;
  white-space: nowrap;
}
.muted-chip {
  color: var(--muted);
}

.config-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 16px; }
.config-sidebar { padding: 12px; align-self: start; }
.config-tab { width: 100%; padding: 11px 12px; border: 0; border-radius: 12px; color: var(--muted); background: transparent; cursor: pointer; text-align: left; font-size: 12px; font-weight: 700; }
.config-tab:hover { background: rgba(255,255,255,.72); }
.config-tab.active { color: var(--primary); background: rgba(255,255,255,.94); box-shadow: var(--shadow-soft); }
.device-picker { margin: 14px 0; display: grid; gap: 7px; }
.device-picker label { color: var(--muted); font-size: 11px; font-weight: 700; }
.device-picker select { width: 100%; }
.code-panel { padding: 0; overflow: hidden; }
.code-toolbar { padding: 14px 16px; display: flex; justify-content: space-between; gap: 12px; align-items: center; border-bottom: 1px solid var(--hairline); background: rgba(255,255,255,.50); }
.code-toolbar strong { font-size: 12px; }
.code-actions { display: flex; gap: 8px; }
pre {
  margin: 0;
  min-height: 540px;
  max-height: 68vh;
  overflow: auto;
  padding: 20px;
  color: #e7e7eb;
  background: #1c1c1e;
  font: 12px/1.65 "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  tab-size: 2;
}

.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.field-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.field-grid.align-top { align-items: start; }
.field-grid.three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.span-2 { grid-column: 1 / -1; }
.field { display: grid; gap: 7px; margin-bottom: 14px; }
.field > span { font-size: 12px; font-weight: 700; }
.field small { color: var(--muted); font-size: 11px; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  padding: 11px 12px;
  color: var(--ink);
  background: rgba(255,255,255,.88);
  outline: none;
  transition: border-color .16s ease, box-shadow .16s ease, background .16s ease;
}
.field input::placeholder,
.field textarea::placeholder,
.search::placeholder {
  color: #a1a1a6;
}
.field textarea { min-height: 90px; resize: vertical; }
.segmented {
  min-height: 43px;
  width: 100%;
  padding: 3px;
  border: 1px solid var(--hairline);
  border-radius: 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  background: rgba(118,118,128,.12);
}
.segmented button {
  border: 0;
  border-radius: 11px;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 650;
  transition: background .16s ease, box-shadow .16s ease, color .16s ease, transform .16s ease;
}
.segmented button:hover { color: var(--ink); }
.segmented button.active {
  color: var(--ink);
  background: rgba(255,255,255,.96);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.settings-actions { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 9px; }
.explanation { padding: 14px; border-radius: 16px; color: #3a3a3c; background: rgba(0,0,0,.035); font-size: 12px; line-height: 1.7; }

.dialog {
  width: min(560px, calc(100vw - 28px));
  padding: 0;
  border: 0;
  border-radius: 26px;
  color: var(--ink);
  background: rgba(255,255,255,.92);
  box-shadow: 0 28px 90px rgba(0,0,0,.22);
  backdrop-filter: blur(28px) saturate(170%);
}
.dialog::backdrop { background: rgba(29,29,31,.32); backdrop-filter: blur(10px); }
.dialog-head { padding: 22px 24px 16px; display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; }
.dialog-head h3 { margin: 4px 0 0; font-size: 22px; letter-spacing: -.035em; }
.dialog-body { padding: 8px 22px; }
.dialog-actions { padding: 16px 22px 22px; display: flex; justify-content: flex-end; gap: 9px; }
.dialog-copy { padding: 4px 22px 14px; color: var(--muted); line-height: 1.65; }
.icon-button { width: 34px; height: 34px; border: 0; border-radius: 999px; display: grid; place-items: center; background: rgba(0,0,0,.045); cursor: pointer; font-size: 22px; transition: background .16s ease, transform .16s ease; }
.icon-button:hover { background: rgba(0,0,0,.075); transform: scale(1.03); }
.form-error {
  margin: 0 22px 8px;
  border-radius: 12px;
  padding: 9px 11px;
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 12px;
  line-height: 1.45;
}
.login-card .form-error { margin: -5px 0 14px; }
.danger-text { color: var(--danger); }
.evidence-meta {
  padding: 0 22px 14px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  color: var(--muted);
  font-size: 12px;
}
.evidence-output {
  min-height: 230px;
  max-height: 420px;
  margin: 0 22px;
  border-radius: 18px;
  white-space: pre-wrap;
}

.toast-region { position: fixed; right: 22px; bottom: 22px; z-index: 20; display: grid; gap: 10px; }
.toast { min-width: 240px; max-width: 360px; padding: 13px 15px; border: 1px solid rgba(255,255,255,.62); border-radius: 18px; color: var(--ink); background: rgba(255,255,255,.88); box-shadow: var(--shadow); backdrop-filter: blur(24px) saturate(170%); font-size: 12px; animation: toast-in .2s ease-out; }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 1050px) {
  .metric-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .metric-grid.four { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .content-grid { grid-template-columns: 1fr; }
  .version-layout { grid-template-columns: 1fr; }
  .device-row { grid-template-columns: 1fr auto; }
  .credential { grid-column: 1 / -1; }
  .field-grid.three { grid-template-columns: 1fr; }
}

@media (min-width: 1500px) {
  .main { max-width: 1240px; padding-left: 42px; padding-right: 42px; }
  .metric-grid { grid-template-columns: repeat(4, 248px); justify-content: space-between; }
  .metric-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .metric-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar { position: static; width: 100%; height: auto; padding: 14px; }
  .brand { padding-bottom: 12px; }
  .nav { grid-template-columns: repeat(5,1fr); overflow-x: auto; }
  .nav-item { justify-content: center; padding: 10px 8px; }
  .nav-item span:last-child { display: none; }
  .sidebar-foot { display: none; }
  .main { padding: 22px 14px 40px; }
  .topbar { align-items: flex-start; }
  .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
  .save-indicator { display: none; }
  .metric-grid, .settings-grid, .field-grid { grid-template-columns: 1fr; }
  .metric-grid.four,
  .version-cells,
  .version-row { grid-template-columns: 1fr; }
  .config-layout { grid-template-columns: 1fr; }
  .config-sidebar { display: grid; grid-template-columns: repeat(2,1fr); }
  .device-picker { grid-column: 1 / -1; }
  .device-row { padding-left: 20px; }
  .log-table { min-width: 720px; }
  .panel.table-panel { overflow-x: auto; }
  .release-banner, .config-version-bar { align-items: flex-start; flex-direction: column; }
}