:root {
  --primary: #14213d;
  --accent: #fca311;
  --bg: #f4f7fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
  --danger: #b42318;
  --success: #067647;
  --warning: #92400e;
  --shadow: 0 18px 45px rgba(15, 23, 42, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
code { background: #f1f5f9; padding: 3px 6px; border-radius: 7px; font-size: .84rem; word-break: break-all; }
.app-shell { min-height: 100vh; display: grid; grid-template-columns: 280px 1fr; }
.sidebar { background: linear-gradient(180deg, var(--primary), #0f172a); color: white; padding: 26px 20px; display: flex; flex-direction: column; gap: 20px; position: sticky; top: 0; height: 100vh; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.35rem; letter-spacing: -.02em; }
.logo-dot { width: 18px; height: 18px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 6px rgba(252,163,17,.18); }
.tenant { color: rgba(255,255,255,.72); font-size: .93rem; }
.nav { display: grid; gap: 8px; }
.nav a { padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.06); color: rgba(255,255,255,.9); }
.nav a:hover { background: rgba(255,255,255,.14); }
.api-box { margin-top: auto; padding: 14px; border-radius: 16px; background: rgba(255,255,255,.08); display: grid; gap: 7px; }
.api-title { font-weight: 700; margin-bottom: 4px; }
.api-box code { display: block; background: rgba(255,255,255,.12); color: white; }
.main { padding: 30px; max-width: 1500px; width: 100%; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 22px; }
.topbar h1 { margin: 0; font-size: 1.8rem; letter-spacing: -.03em; }
.topbar p { margin: 5px 0 0; color: var(--muted); }
.user-pill { display: flex; gap: 12px; align-items: center; background: white; border: 1px solid var(--border); border-radius: 999px; padding: 9px 12px 9px 16px; box-shadow: 0 8px 22px rgba(15,23,42,.05); }
.user-pill a { color: var(--primary); font-weight: 700; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 22px; padding: 22px; box-shadow: var(--shadow); margin-bottom: 22px; }
.card.narrow { max-width: 820px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; margin-bottom: 16px; }
.card h2, .card h3 { margin-top: 0; }
.card-head h2 { margin-bottom: 4px; }
.muted { color: var(--muted); }
.cards { display: grid; gap: 16px; margin-bottom: 22px; }
.stats-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.stats-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stat span { display: block; color: var(--muted); font-size: .92rem; }
.stat strong { display: block; font-size: 2.1rem; letter-spacing: -.05em; margin-top: 8px; }
.grid.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(340px, .8fr); gap: 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); background: white; border-radius: 12px; padding: 10px 14px; font-weight: 800; cursor: pointer; color: var(--primary); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #111827; }
.btn.small { padding: 8px 11px; font-size: .9rem; }
.btn.full { width: 100%; }
.btn.disabled, .btn:disabled { opacity: .45; cursor: not-allowed; filter: grayscale(.35); box-shadow: none; }
.btn.disabled:hover, .btn:disabled:hover { background: white; }
.btn.danger.disabled:hover, .btn.danger:disabled:hover { background: #fef3f2; }
.alert { padding: 13px 15px; border-radius: 14px; margin-bottom: 18px; background: #eff6ff; border: 1px solid #bfdbfe; }
.alert.success { background: #ecfdf3; border-color: #abefc6; color: var(--success); }
.alert.danger { background: #fef3f2; border-color: #fecdca; color: var(--danger); }
.alert.warning { background: #fffaeb; border-color: #fedf89; color: var(--warning); }
form label { display: grid; gap: 7px; font-weight: 700; color: #374151; margin-bottom: 14px; }
input, textarea, select { width: 100%; border: 1px solid var(--border); border-radius: 13px; padding: 12px 13px; font: inherit; background: #fff; }
input[type=color] { min-height: 45px; padding: 4px; }
.form-grid { display: grid; gap: 14px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-2 { grid-column: span 2; }
.hint-box { padding: 14px; border-radius: 15px; background: #f8fafc; border: 1px dashed #cbd5e1; margin-bottom: 16px; color: #475569; }
.default-preview { display: grid; grid-template-columns: 230px 1fr; gap: 18px; align-items: start; }
.default-preview img { width: 100%; border-radius: 16px; border: 1px solid var(--border); background: #f8fafc; }
.api-list { display: grid; gap: 10px; }
.api-list a { padding: 12px 14px; border-radius: 13px; background: #f8fafc; border: 1px solid var(--border); font-weight: 700; }
.api-list code { display: block; padding: 12px 14px; border-radius: 13px; background: #f8fafc; border: 1px solid var(--border); font-weight: 700; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: 11px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { color: #475569; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.table-thumb { width: 72px; aspect-ratio: 1.34 / 1; border: 1px solid var(--border); border-radius: 10px; background: #f8fafc; overflow: hidden; }
.table-thumb img { display: block; width: 100%; height: 100%; object-fit: cover; }
.table-thumb span { display: grid; place-items: center; width: 100%; height: 100%; padding: 6px; color: var(--muted); font-size: .72rem; text-align: center; }
.empty-cell, .empty-state { color: var(--muted); padding: 22px; text-align: center; background: #f8fafc; border: 1px dashed #cbd5e1; border-radius: 16px; }
.empty-state.wide { grid-column: 1 / -1; }
.original-strip { display: grid; grid-template-columns: 140px 1fr; gap: 16px; align-items: start; margin-bottom: 22px; padding: 14px; background: #f8fafc; border-radius: 18px; border: 1px solid var(--border); }
.original-strip span { font-weight: 800; color: var(--muted); }
.original-strip img { max-height: 180px; max-width: 100%; border-radius: 13px; }
.original-preview-large { margin: 0 0 24px; padding: 18px; width: 100%; max-width: none; box-sizing: border-box; background: #f8fafc; border: 1px solid var(--border); border-radius: 22px; text-align: center; }
.original-label { font-weight: 900; color: var(--primary); margin-bottom: 12px; }
.original-frame { width: 100%; height: auto; max-width: none; margin: 0; display: block; background: white; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.original-frame img { display: block; width: 100%; height: auto; max-width: 100%; object-fit: contain; margin: 0 auto; }
.center-text { text-align: center; margin-top: 8px; font-size: .88rem; }
.preview-grid.two-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.preview-card { border: 1px solid var(--border); border-radius: 18px; padding: 16px; background: linear-gradient(180deg, #fff, #fbfdff); }
.preview-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.preview-title h3 { margin: 0 0 12px; font-size: 1rem; }
.preview-images { display: grid; grid-template-columns: 1fr; gap: 12px; }
.preview-images figure { margin: 0; }
.preview-images img { display: block; width: 100%; height: auto; border: 1px solid var(--border); border-radius: 12px; background: white; }
.preview-images figcaption { font-size: .78rem; color: var(--muted); margin-top: 6px; }
.preview-images-565-only figure { width: 100%; }
.hash-line { margin: 12px 0 16px; padding: 10px 12px; border-radius: 12px; background: #f8fafc; border: 1px solid var(--border); font-size: .82rem; overflow-wrap: anywhere; }
.hash-line code { word-break: break-all; }
details { margin: 12px 0; }
summary { cursor: pointer; font-weight: 800; color: var(--primary); }
.badge { display: inline-flex; align-items: center; border-radius: 999px; background: rgba(252,163,17,.18); color: #7c2d12; padding: 5px 9px; font-size: .78rem; font-weight: 900; }
.library-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.image-library-heading { margin-bottom: 16px; }
.image-group { margin-bottom: 26px; }
.group-head { padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.image-tile { overflow: hidden; border: 1px solid var(--border); border-radius: 20px; background: white; display: flex; flex-direction: column; min-height: 100%; }
.image-tile.default { outline: 3px solid rgba(252,163,17,.3); }
.tile-preview { background: #f8fafc; aspect-ratio: 1.34 / 1; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.tile-preview img { width: 100%; height: 100%; object-fit: cover; }
.tile-body { padding: 16px 16px 6px; flex: 1; }
.tile-title { display: flex; gap: 10px; justify-content: space-between; align-items: flex-start; }
.tile-title h3 { margin: 0 0 8px; }
.inline-group-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; align-items: end; margin: 10px 0 12px; }
.inline-group-form select { min-width: 0; padding: 9px 10px; border-radius: 10px; }
.inline-group-form .btn { min-height: 40px; }
.tile-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
  padding: 14px 16px 18px;
  border-top: 1px solid var(--border);
  background: linear-gradient(180deg, #fff, #fbfdff);
}
.tile-actions.fixed-actions { margin-top: auto; }
.tile-actions form { margin: 0; min-width: 0; display: block; }
.tile-actions .btn { width: 100%; min-height: 38px; padding-left: 8px; padding-right: 8px; white-space: nowrap; }
.tile-actions .delete-button { margin-left: 0; }

@media (max-width: 520px) {
  .tile-actions { grid-template-columns: 1fr; }
}

.login-body, .setup-body { min-height: 100vh; display: grid; place-items: center; padding: 28px; background: radial-gradient(circle at top left, rgba(252,163,17,.22), transparent 32%), linear-gradient(135deg, var(--primary), #0f172a); }
.login-card, .setup-card { width: min(100%, 440px); background: white; border-radius: 28px; padding: 30px; box-shadow: 0 30px 80px rgba(0,0,0,.24); }
.setup-card { width: min(100%, 980px); }
.brand-mark { display: inline-flex; align-items: center; background: var(--primary); color: white; border-radius: 999px; padding: 9px 14px; font-weight: 900; margin-bottom: 14px; }
.login-card h1, .setup-card h1 { margin: 0; letter-spacing: -.04em; }
.setup-form h2 { margin-top: 24px; color: var(--primary); }
@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; }
  .stats-grid, .stats-grid.four, .grid.two-col, .library-grid, .preview-grid.two-columns { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .main { padding: 18px; }
  .topbar, .card-head, .default-preview, .original-strip { display: block; }
  .form-grid.two, .preview-images { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
}
.role-pill { display: inline-flex; align-items: center; border-radius: 999px; background: #f1f5f9; color: #334155; padding: 4px 8px; font-size: .78rem; font-weight: 900; text-transform: uppercase; }
.permission-box { padding: 12px 14px; border-radius: 14px; background: #f8fafc; border: 1px solid var(--border); margin-bottom: 14px; }
.permission-box p { margin: 6px 0; }
.checkline { display: inline-flex; grid-template-columns: auto 1fr; align-items: center; gap: 8px; font-weight: 800; }
.checkline input { width: auto; }
.users-table input, .users-table select { min-width: 120px; padding: 8px 9px; border-radius: 10px; }
.users-table td.center { text-align: center; }
.users-table td.center input { width: auto; min-width: 0; }
.users-table form { display: contents; }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.user-cards { display: grid; gap: 14px; }
.user-edit-card { border: 1px solid var(--border); border-radius: 18px; padding: 16px; background: #fbfdff; }
.user-edit-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.user-edit-head strong { font-size: 1.05rem; }
.user-edit-head small { color: var(--muted); }
.checkline.top-gap { margin-top: 25px; }
@media (max-width: 960px) { .form-grid.three { grid-template-columns: 1fr; } }
.btn.danger { background: #fef3f2; border-color: #fecdca; color: var(--danger); }
.btn.danger:hover { background: #fee4e2; }
.preview-warning { margin: 10px 0 0; padding: 10px 12px; border-radius: 12px; background: #fffaeb; border: 1px solid #fedf89; color: var(--warning); }


/* v8 Image Library button layout: equal full-width action buttons with safe padding. */
.image-tile .tile-actions {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 12px !important;
  margin-top: auto !important;
  padding: 18px 18px 22px !important;
  border-top: 1px solid var(--border) !important;
  background: linear-gradient(180deg, #fff, #fbfdff) !important;
}
.image-tile .tile-actions > a,
.image-tile .tile-actions > button,
.image-tile .tile-actions > form {
  width: 100% !important;
  min-width: 0 !important;
  margin: 0 !important;
}
.image-tile .tile-actions form {
  display: block !important;
}
.image-tile .tile-actions .btn,
.image-tile .tile-actions button {
  width: 100% !important;
  min-width: 0 !important;
  min-height: 42px !important;
  padding: 9px 8px !important;
  margin: 0 !important;
  white-space: nowrap !important;
}
.image-tile .tile-actions .btn.disabled,
.image-tile .tile-actions button:disabled {
  opacity: .45 !important;
}
@media (max-width: 520px) {
  .image-tile .tile-actions { grid-template-columns: 1fr !important; }
}

/* v9 normal-user one-page dashboard: no left menu, dashboard first, library below. */
.app-shell.user-one-page-shell {
  display: block;
  min-height: 100vh;
}
.user-one-page-shell .main {
  max-width: 1540px;
  margin: 0 auto;
  padding: 34px 34px 48px;
}
.user-one-page-shell .normal-topbar {
  margin-bottom: 24px;
}
.user-one-page-shell .image-library-section {
  margin-top: 22px;
}
.user-one-page-shell .grid.two-col {
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
}

/* v9 stronger image action layout: equal columns, safe inner spacing, no border collision. */
.image-tile {
  min-height: 100%;
}
.image-tile .tile-body {
  padding-bottom: 12px !important;
}
.image-tile .tile-actions {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 14px !important;
  margin-top: auto !important;
  padding: 20px 18px 24px !important;
  border-top: 1px solid var(--border) !important;
  background: linear-gradient(180deg, #fff, #fbfdff) !important;
}
.image-tile .tile-actions > a,
.image-tile .tile-actions > button,
.image-tile .tile-actions > form {
  width: 100% !important;
  min-width: 0 !important;
  max-width: none !important;
  margin: 0 !important;
}
.image-tile .tile-actions .btn,
.image-tile .tile-actions button {
  width: 100% !important;
  min-width: 0 !important;
  min-height: 44px !important;
  padding: 10px 6px !important;
  margin: 0 !important;
  border-radius: 12px !important;
  white-space: nowrap !important;
  text-align: center !important;
}
@media (max-width: 900px) {
  .user-one-page-shell .main { padding: 22px; }
  .user-one-page-shell .grid.two-col { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .image-tile .tile-actions { grid-template-columns: 1fr !important; }
}


/* v10 account page */
.account-card .hint-box {
  margin-bottom: 20px;
}
.soft-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 22px 0;
}
.required-note {
  color: var(--muted);
  font-weight: 600;
  font-size: .85rem;
}
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 18px;
}
.form-actions.right {
  justify-content: flex-end;
}
@media (max-width: 700px) {
  .account-form .form-grid.two { grid-template-columns: 1fr; }
}

/* v11 MAC-aware device reporting. */
.stats-grid.six { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.device-meta-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.device-meta-grid > div { padding: 12px; border: 1px solid var(--border); border-radius: 14px; background: #f8fafc; min-width: 0; }
.device-meta-grid > div.wide { grid-column: span 2; }
.device-meta-grid span { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 900; margin-bottom: 6px; }
.device-meta-grid strong { display: block; word-break: break-word; }
@media (max-width: 1100px) {
  .stats-grid.six, .device-meta-grid { grid-template-columns: 1fr; }
  .device-meta-grid > div.wide { grid-column: auto; }
}

/* v12 unique device status report. */
.button-row { display: flex; gap: 10px; flex-wrap: wrap; justify-content: flex-end; }
.status-legend { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 12px; color: var(--muted); font-size: .88rem; }
.status-legend > span { display: inline-flex; align-items: center; gap: 6px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 999px; background: #f8fafc; }
.device-filter-form { display: grid; grid-template-columns: minmax(260px, 1fr) 220px auto; gap: 14px; align-items: end; margin-bottom: 14px; }
.device-filter-form label span { display: block; color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 900; margin-bottom: 6px; }
.filter-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.filter-pills { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 16px; }
.filter-pill { display: inline-flex; align-items: center; gap: 7px; padding: 8px 11px; border: 1px solid var(--border); border-radius: 999px; background: #f8fafc; color: #334155; font-weight: 800; font-size: .86rem; }
.filter-pill.active { background: var(--primary); border-color: var(--primary); color: white; }
.filter-pill strong { font-size: .78rem; }
.status-pill { display: inline-flex; align-items: center; white-space: nowrap; border-radius: 999px; padding: 5px 9px; font-size: .78rem; font-weight: 900; border: 1px solid transparent; }
.status-pill.online { background: #ecfdf3; color: #027a48; border-color: #abefc6; }
.status-pill.recent { background: #eff8ff; color: #175cd3; border-color: #b2ddff; }
.status-pill.stale { background: #fffaeb; color: #b54708; border-color: #fedf89; }
.status-pill.offline { background: #f8fafc; color: #475569; border-color: #cbd5e1; }
.status-pill.unknown { background: #f4f3ff; color: #5925dc; border-color: #d9d6fe; }
.status-pill.ok { background: #ecfdf3; color: #027a48; border-color: #abefc6; }
.status-pill.error { background: #fef3f2; color: #b42318; border-color: #fecdca; }
.cell-note { display: block; margin-top: 5px; color: var(--muted); font-size: .78rem; line-height: 1.3; }
.device-status-table table { min-width: 1580px; }
.ua-cell { max-width: 260px; word-break: break-word; }
@media (max-width: 900px) {
  .button-row { justify-content: flex-start; margin-top: 12px; }
  .device-filter-form { grid-template-columns: 1fr; }
  .filter-actions .btn { flex: 1; }
}


/* v17 VBAT battery reporting. */
.status-pill.battery { gap: 4px; }
.status-pill.battery.full { background: #ecfdf3; color: #027a48; border-color: #abefc6; }
.status-pill.battery.normal { background: #f0fdf4; color: #15803d; border-color: #bbf7d0; }
.status-pill.battery.low { background: #fffaeb; color: #b54708; border-color: #fedf89; }
.status-pill.battery.very-low { background: #fff7ed; color: #c2410c; border-color: #fed7aa; }
.status-pill.battery.critical,
.status-pill.battery.empty { background: #fef3f2; color: #b42318; border-color: #fecdca; }
.status-pill.battery.over { background: #fdf2f8; color: #be185d; border-color: #fbcfe8; }
.status-pill.battery.missing { background: #f8fafc; color: #475569; border-color: #cbd5e1; }
.battery-legend > span { border-color: #fedf89; background: #fffbeb; color: #78350f; }
.battery-summary-grid .stat strong,
.battery-report-stats .stat strong { font-size: 1.9rem; }
@media (max-width: 1100px) {
  .battery-summary-grid, .battery-report-stats { grid-template-columns: 1fr; }
}