/* Papier-Fuellmelder — Variant A "Linear Mono" (abgerundet)
   Design tokens aus dem Claude-Design-Handoff */

/* ---------- Theme Tokens ---------- */
:root,
:root[data-theme="dark"] {
  --bg: #0b0b0d;
  --panel: #131316;
  --panel2: #1a1a1f;
  --border: #26262c;
  --border-soft: #1f1f24;
  --text: #ededf0;
  --text-dim: #a0a0a8;
  --text-faint: #6b6b74;
  --accent: #ededf0;
  --accent-fg: #0b0b0d;
  --hover: #1d1d22;
  --ok: #4ade80;
  --ok-bg: rgba(74,222,128,0.10);
  --warn: #facc15;
  --warn-bg: rgba(250,204,21,0.10);
  --crit: #f87171;
  --crit-bg: rgba(248,113,113,0.10);
  --off: #71717a;
  --off-bg: rgba(113,113,122,0.12);
}

:root[data-theme="light"] {
  --bg: #fafafa;
  --panel: #ffffff;
  --panel2: #f5f5f6;
  --border: #e5e5e8;
  --border-soft: #eeeef0;
  --text: #18181b;
  --text-dim: #52525b;
  --text-faint: #a1a1aa;
  --accent: #18181b;
  --accent-fg: #ffffff;
  --hover: #f0f0f2;
  --ok: #16a34a;
  --ok-bg: rgba(22,163,74,0.10);
  --warn: #ca8a04;
  --warn-bg: rgba(202,138,4,0.10);
  --crit: #dc2626;
  --crit-bg: rgba(220,38,38,0.08);
  --off: #71717a;
  --off-bg: rgba(113,113,122,0.10);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}
.mono { font-family: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace; }

a { color: inherit; text-decoration: none; }
button { font: inherit; }
input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  outline: none;
  transition: border-color .12s;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--text-dim);
}

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0;
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 14px 10px; gap: 2px;
  background: var(--bg);
}
.sidebar__brand {
  display: flex; align-items: center; gap: 8px;
  padding: 4px 8px 14px;
}
.sidebar__logo {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--accent); color: var(--accent-fg);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
}
.sidebar__title {
  font-size: 13px; font-weight: 600;
  color: var(--text); letter-spacing: -0.2px; line-height: 1.1;
}
.sidebar__sub {
  font-size: 10.5px; color: var(--text-faint);
  font-family: 'JetBrains Mono', monospace; line-height: 1.1;
}
.sidebar__label {
  font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
  color: var(--text-faint);
  padding: 6px 10px 4px;
}
.sidebar__divider { height: 1px; background: var(--border-soft); margin: 10px 8px; }

.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 10px; border-radius: 6px;
  color: var(--text-dim); cursor: pointer; font-size: 13px;
  transition: background .12s;
}
.nav-item:hover { background: var(--hover); }
.nav-item.is-active { background: var(--hover); color: var(--text); font-weight: 500; }
.nav-item .icon { color: var(--text-faint); display: flex; }
.nav-item.is-active .icon { color: var(--text); }
.nav-item__label { flex: 1; }
.nav-item__badge {
  font-size: 10px; font-family: 'JetBrains Mono', monospace;
  padding: 2px 6px; border-radius: 4px;
  background: var(--crit-bg); color: var(--crit); line-height: 1;
}

.user-badge {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-top: 1px solid var(--border-soft); margin-top: 4px;
}
.user-badge__avatar {
  width: 28px; height: 28px; border-radius: 14px;
  background: var(--panel2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: var(--text);
}
.user-badge__name { font-size: 12.5px; color: var(--text); font-weight: 500; }
.user-badge__role { font-size: 11px; color: var(--text-faint); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.content { padding: 18px 20px 24px; flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 14px; }
.content h1 { font-size: 19px; font-weight: 600; letter-spacing: -0.3px; margin: 0; color: var(--text); }
.content h2 { font-size: 15px; font-weight: 600; margin: 0; }
.content-header-sub {
  font-size: 12.5px; color: var(--text-dim); margin-top: 2px;
}

/* Mobile topbar */
.mobile-topbar {
  display: none;
  align-items: center; gap: 10px; padding: 12px 14px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5; min-height: 50px;
}
.mobile-topbar__title { flex: 1; font-size: 14px; font-weight: 600; color: var(--text); }

/* Responsive: sidebar als Drawer auf mobile, per Hamburger toggelbar */
@media (max-width: 900px) {
  .sidebar {
    position: fixed; top: 0; bottom: 0; left: 0;
    z-index: 30; width: 260px;
    transform: translateX(-100%);
    transition: transform .22s ease;
    box-shadow: 4px 0 24px rgba(0,0,0,0.35);
  }
  .sidebar.is-open { transform: translateX(0); }
  .mobile-topbar { display: flex; }
  .content { padding: 12px 14px 24px; }
  .topbar { display: none; }
  .sidebar-backdrop {
    position: fixed; inset: 0; background: rgba(0,0,0,0.45);
    z-index: 25; opacity: 0; pointer-events: none;
    transition: opacity .22s ease;
  }
  .sidebar-backdrop.is-open { opacity: 1; pointer-events: auto; }
}

/* ---------- Cards ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.card__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid var(--border);
}
.card__header-title {
  font-size: 12px; font-weight: 500; letter-spacing: 0.2px; color: var(--text);
}
.card__header-right { display: flex; align-items: center; gap: 4px; }
.card__body { padding: 14px; }

/* ---------- KPI Tile ---------- */
.kpi {
  padding: 16px 18px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 10px;
  display: flex; flex-direction: column; gap: 10px;
}
.kpi__label {
  font-size: 11px; letter-spacing: 0.4px; color: var(--text-dim); font-weight: 400;
  display: flex; align-items: center; justify-content: space-between;
}
.kpi__label .icon { color: var(--text-faint); }
.kpi__value-row { display: flex; align-items: baseline; gap: 4px; min-height: 28px; }
.kpi__value {
  font-size: 24px; font-weight: 500; line-height: 1; letter-spacing: -0.5px;
  font-family: 'JetBrains Mono', monospace; color: var(--text);
}
.kpi__value.tone-ok { color: var(--ok); }
.kpi__value.tone-warn { color: var(--warn); }
.kpi__value.tone-crit { color: var(--crit); }
.kpi__value.tone-off { color: var(--off); }
.kpi__unit { font-size: 12px; color: var(--text-dim); font-family: 'JetBrains Mono', monospace; }
.kpi__sub { font-size: 11px; color: var(--text-faint); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; font-weight: 500;
  color: var(--text); background: var(--panel2);
  border: 1px solid var(--border); border-radius: 8px;
  cursor: pointer; line-height: 1.2;
  transition: background .12s, border-color .12s, filter .12s;
}
.btn:hover { background: var(--hover); }
.btn--sm { padding: 5px 10px; font-size: 12px; }
.btn--lg { padding: 10px 18px; font-size: 14px; }
.btn--primary {
  background: var(--accent); color: var(--accent-fg); border-color: var(--accent);
}
.btn--primary:hover { filter: brightness(0.95); background: var(--accent); }
.btn--success {
  background: var(--ok); color: #052e16; border-color: var(--ok);
}
.btn--success:hover { filter: brightness(0.95); background: var(--ok); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--text-dim); }
.btn--ghost:hover { background: var(--hover); color: var(--text); }

.icon-btn {
  width: 30px; height: 30px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-dim); background: transparent;
  border: 1px solid transparent; border-radius: 8px; cursor: pointer;
  transition: background .12s;
}
.icon-btn:hover { background: var(--hover); color: var(--text); }
.icon-btn.is-active { background: var(--hover); color: var(--text); border-color: var(--border); }

/* ---------- Status Pill ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 3px 9px; font-size: 12px; font-weight: 500; line-height: 1;
  border-radius: 999px; letter-spacing: 0.1px;
}
.pill--sm { padding: 2px 7px; font-size: 11px; }
.pill__dot { width: 6px; height: 6px; border-radius: 6px; flex-shrink: 0; }
.pill--ok       { color: var(--ok);   background: var(--ok-bg);   border: 1px solid rgba(74,222,128,0.33); }
.pill--ok .pill__dot       { background: var(--ok); }
.pill--niedrig  { color: var(--warn); background: var(--warn-bg); border: 1px solid rgba(250,204,21,0.33); }
.pill--niedrig .pill__dot  { background: var(--warn); }
.pill--kritisch { color: var(--crit); background: var(--crit-bg); border: 1px solid rgba(248,113,113,0.33); }
.pill--kritisch .pill__dot { background: var(--crit); box-shadow: 0 0 0 2px rgba(248,113,113,0.2); }
.pill--offline  { color: var(--off);  background: var(--off-bg);  border: 1px solid rgba(113,113,122,0.33); }
.pill--offline .pill__dot  { background: var(--off); }

/* ---------- Chips ---------- */
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; font-size: 12px;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-dim); border-radius: 999px; cursor: pointer;
}
.chip.is-active { background: var(--hover); color: var(--text); border-color: var(--text); }
.chip:hover { color: var(--text); }

/* ---------- FillBar ---------- */
.fill-bar {
  display: inline-block; height: 6px; background: var(--panel2);
  border: 1px solid var(--border-soft); border-radius: 999px;
  overflow: hidden; position: relative;
}
.fill-bar > span {
  display: block; height: 100%; border-radius: 999px;
  transition: width .4s;
}
.fill-bar--ok > span       { background: var(--ok); }
.fill-bar--niedrig > span  { background: var(--warn); }
.fill-bar--kritisch > span { background: var(--crit); }
.fill-bar--offline > span  { background: var(--off); }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-dim); flex-wrap: wrap;
}
.breadcrumb > span:last-child { color: var(--text); }

/* ---------- Search box in top bar ---------- */
.searchbox {
  display: flex; align-items: center; gap: 8px; padding: 5px 10px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 6px; width: 260px;
  color: var(--text-faint); font-size: 12px;
}
.searchbox .kbd {
  margin-left: auto; font-size: 10px; font-family: 'JetBrains Mono', monospace;
  padding: 1px 5px; border: 1px solid var(--border); border-radius: 3px;
}

/* ---------- Banner (critical, info, warn) ---------- */
.banner {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; border-radius: 4px;
}
.banner--critical { background: var(--crit-bg); border: 1px solid rgba(248,113,113,0.33); }
.banner--critical .banner__icon { color: var(--crit); }
.banner--critical .banner__title { font-weight: 600; color: var(--crit); }
.banner--info { background: var(--panel); border: 1px solid var(--border); }
.banner__body { flex: 1; font-size: 12.5px; color: var(--text); }
.banner__body-dim { color: var(--text-dim); }

/* ---------- Device Table ---------- */
.table-wrap {
  flex: 1; min-height: 0;
  display: flex; flex-direction: column; overflow: hidden;
}
.device-table {
  flex: 1; min-height: 0; display: flex; flex-direction: column;
}
.device-table__head,
.device-table__row {
  display: grid;
  grid-template-columns: 1.4fr 1.9fr 1.6fr 1.1fr 0.9fr 1fr 0.9fr;
  column-gap: 18px;
  padding: 9px 14px;
  align-items: center;
}
.device-table__head {
  border-bottom: 1px solid var(--border);
  font-size: 10.5px; letter-spacing: 0.6px; text-transform: uppercase;
  color: var(--text-dim); font-weight: 500;
}
.device-table__body { flex: 1; overflow-y: auto; }
.device-table__row {
  border-bottom: 1px solid var(--border-soft);
  text-decoration: none; color: inherit;
  transition: background .1s;
}
.device-table__row:hover { background: var(--hover); }
.device-table__row:last-child { border-bottom: none; }
.device-table__row.density-compact { padding-top: 6px; padding-bottom: 6px; }

.device-id {
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px; color: var(--text);
  font-family: 'JetBrains Mono', monospace;
}
.device-id__dot { width: 8px; height: 8px; border-radius: 8px; flex-shrink: 0; }
.device-id__dot--ok { background: var(--ok); }
.device-id__dot--niedrig { background: var(--warn); }
.device-id__dot--kritisch { background: var(--crit); }
.device-id__dot--offline { background: var(--off); }

.device-loc {
  font-size: 12.5px; color: var(--text-dim);
  min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.device-loc__primary { color: var(--text); }
.device-loc__sep { color: var(--text-faint); }

.fill-cell { display: flex; align-items: center; gap: 10px; }
.fill-cell__value {
  font-size: 12.5px; font-family: 'JetBrains Mono', monospace;
  color: var(--text); min-width: 34px; text-align: right;
}
.battery-cell {
  font-size: 12.5px; font-family: 'JetBrains Mono', monospace;
  color: var(--text-dim); text-align: left;
}
.battery-cell.is-low { color: var(--crit); }
.last-cell {
  font-size: 11.5px; color: var(--text-faint); font-family: 'JetBrains Mono', monospace;
}

/* Empty state */
.empty {
  padding: 60px 20px; text-align: center; color: var(--text-faint);
}
.empty__icon { font-size: 32px; opacity: 0.3; margin-bottom: 8px; }

/* ---------- Mobile Cards ---------- */
.mobile-device-card {
  padding: 12px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 6px;
  display: flex; flex-direction: column; gap: 10px;
  color: inherit; text-decoration: none;
}
.mobile-device-card__head { display: flex; align-items: flex-start; gap: 10px; }
.mobile-device-card__meta { flex: 1; min-width: 0; }
.mobile-device-card__id {
  display: flex; align-items: center; gap: 8px;
}
.mobile-device-card__id-text {
  font-size: 12px; color: var(--text-faint); font-family: 'JetBrains Mono', monospace;
}
.mobile-device-card__loc { font-size: 14px; font-weight: 600; color: var(--text); margin-top: 4px; }
.mobile-device-card__bldg { font-size: 12px; color: var(--text-dim); margin-top: 1px; }
.mobile-device-card__value-wrap { text-align: right; }
.mobile-device-card__value {
  font-size: 22px; font-weight: 600; font-family: 'JetBrains Mono', monospace; line-height: 1;
}
.mobile-device-card__value.tone-ok { color: var(--ok); }
.mobile-device-card__value.tone-niedrig { color: var(--warn); }
.mobile-device-card__value.tone-kritisch { color: var(--crit); }
.mobile-device-card__value.tone-offline { color: var(--off); }
.mobile-device-card__value-unit { font-size: 12px; color: var(--text-dim); }
.mobile-device-card__last { font-size: 10.5px; color: var(--text-faint); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }
.mobile-device-card__foot {
  display: flex; align-items: center; gap: 14px;
  font-size: 11.5px; color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}
.mobile-device-card__foot-item { display: flex; align-items: center; gap: 4px; }
.mobile-device-card__foot-item.is-low { color: var(--crit); }

/* Bottom nav (mobile) */
.bottomnav {
  display: none;
  grid-template-columns: repeat(4, 1fr);
  padding: 6px 4px 14px; border-top: 1px solid var(--border);
  background: var(--panel);
  position: sticky; bottom: 0;
}
.bottomnav__item {
  padding: 8px 0; display: flex; flex-direction: column; align-items: center; gap: 4px;
  color: var(--text-faint); position: relative;
  text-decoration: none; font-size: 10.5px;
}
.bottomnav__item.is-active { color: var(--text); font-weight: 500; }
.bottomnav__badge {
  position: absolute; top: 6px; right: 25%;
  width: 6px; height: 6px; border-radius: 6px; background: var(--crit);
}
@media (max-width: 900px) {
  .bottomnav { display: grid; }
}

/* ---------- Forms (settings/login) ---------- */
.form-card {
  padding: 18px; background: var(--panel);
  border: 1px solid var(--border); border-radius: 10px;
}
.form-card__title { font-size: 13px; font-weight: 600; color: var(--text); margin: 0 0 4px; }
.form-card__desc { font-size: 12px; color: var(--text-dim); margin: 0 0 14px; }
.form-row { display: grid; gap: 12px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-field label {
  display: block; font-size: 10.5px; letter-spacing: 0.6px;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 6px;
  font-weight: 500;
}
.form-field input, .form-field select {
  width: 100%;
}
.form-hint { font-size: 11.5px; color: var(--text-faint); margin-top: 4px; }
.form-actions { display: flex; gap: 10px; margin-top: 12px; }

/* ---------- Utilities ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.items-baseline { align-items: baseline; }
.items-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 14px; }
.grid { display: grid; }
.grid-5 { grid-template-columns: repeat(5, 1fr); gap: 10px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: 10px; }
.grid-2 { grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-detail-main { grid-template-columns: 1fr 280px; gap: 14px; }
@media (max-width: 900px) {
  .grid-5 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-detail-main { grid-template-columns: 1fr; }
}
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); }
.text-sm { font-size: 12px; }
.text-xs { font-size: 11px; }
.badge-id {
  font-size: 11.5px; color: var(--text-faint); font-family: 'JetBrains Mono', monospace;
  padding: 3px 7px; background: var(--panel2); border: 1px solid var(--border);
  border-radius: 4px;
}

/* Login */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.login-card {
  width: 100%; max-width: 360px;
  padding: 26px 26px 22px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
}
.login-card__head { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.login-card__head h1 { font-size: 17px; font-weight: 600; margin: 0; color: var(--text); }
.login-card__head p { font-size: 12px; color: var(--text-faint); margin: 0; }
.login-alert {
  background: var(--crit-bg); border: 1px solid rgba(248,113,113,0.4);
  color: var(--crit); padding: 8px 12px; border-radius: 8px;
  font-size: 12.5px; margin-bottom: 14px;
}

/* Device detail big value */
.detail-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.detail-header__name {
  font-size: 19px; font-weight: 600; color: var(--text); letter-spacing: -0.3px;
}
.detail-header__meta {
  font-size: 12.5px; color: var(--text-dim); margin-top: 4px;
}

/* Sparkline inline */
.sparkline { display: block; }

/* Log list */
.log-item {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px 14px; border-bottom: 1px solid var(--border-soft);
}
.log-item:last-child { border-bottom: none; }
.log-item__dot { width: 6px; height: 6px; border-radius: 6px; margin-top: 6px; flex-shrink: 0; }
.log-item__dot--ok { background: var(--ok); }
.log-item__dot--warn { background: var(--warn); }
.log-item__dot--faint { background: var(--text-faint); }
.log-item__body { flex: 1; min-width: 0; }
.log-item__title { font-size: 12.5px; color: var(--text); }
.log-item__title-note { color: var(--text-dim); }
.log-item__meta { font-size: 11px; color: var(--text-faint); margin-top: 2px; font-family: 'JetBrains Mono', monospace; }

/* Measurements table */
.measurements-head,
.measurements-row {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr 0.8fr;
  padding: 6px 14px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  border-bottom: 1px solid var(--border-soft);
}
.measurements-head {
  font-size: 10.5px; letter-spacing: 0.6px; text-transform: uppercase;
  color: var(--text-faint); font-family: 'Inter', sans-serif; font-weight: 500;
  padding: 8px 14px;
}
.measurements-row { color: var(--text-dim); }
.measurements-row > div { text-align: right; }
.measurements-row > div:first-child { text-align: left; }
.measurements-row > .val-strong { color: var(--text); }
.measurements-row:last-child { border-bottom: none; }