:root {
  --ink: #14241f;
  --ink-soft: #2a3d36;
  --muted: #6a7a73;
  --line: #dde5e1;
  --line-strong: #c9d4ce;
  --paper: #e8efeb;
  --surface: #ffffff;
  --surface-soft: #f4f8f6;
  --accent: #0b7a58;
  --accent-2: #0a5f45;
  --accent-soft: #d8f0e5;
  --accent-glow: rgba(11, 122, 88, 0.12);
  --warn: #9a6412;
  --warn-soft: #f8ebcf;
  --danger: #b42318;
  --danger-soft: #fde8e6;
  --ok: #0b7a58;
  --ok-soft: #d8f0e5;
  --shadow: 0 1px 0 rgba(20, 36, 31, 0.04), 0 12px 32px rgba(20, 36, 31, 0.06);
  --radius: 0.85rem;
  --radius-sm: 0.55rem;
  --sidebar-w: 260px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: "Sora", system-ui, sans-serif;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

body {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse 70% 50% at 100% -10%, rgba(11, 122, 88, 0.16), transparent 55%),
    radial-gradient(ellipse 50% 40% at -10% 80%, rgba(154, 100, 18, 0.08), transparent 50%),
    linear-gradient(165deg, #e4ece8 0%, #eef3f0 42%, #e7eeea 100%);
}

/* —— Sidebar —— */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 1.35rem 0.95rem 1rem;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(248, 252, 250, 0.88));
  border-right: 1px solid rgba(201, 212, 206, 0.85);
  backdrop-filter: blur(18px);
  color: var(--ink);
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
  z-index: 5;
}

.brand {
  padding: 0.35rem 0.65rem 0.15rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-mark {
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.7rem;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--accent), var(--accent-2));
  color: white;
  box-shadow: 0 8px 20px var(--accent-glow);
}

.brand-mark svg {
  width: 1.15rem;
  height: 1.15rem;
}

.brand .eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.brand strong {
  display: block;
  font-size: 1.08rem;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: var(--ink);
}

#nav {
  display: grid;
  gap: 0.2rem;
  overflow-y: auto;
  padding: 0 0.15rem;
}

#nav a {
  position: relative;
  color: var(--ink-soft);
  text-decoration: none;
  padding: 0.62rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  transition: background 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}

#nav a svg {
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  opacity: 0.72;
}

#nav a:hover {
  background: rgba(11, 122, 88, 0.07);
  color: var(--accent-2);
}

#nav a.active {
  background: var(--accent-soft);
  color: var(--accent-2);
  font-weight: 600;
}

#nav a.active svg {
  opacity: 1;
  color: var(--accent);
}

#nav a.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--accent);
}

.sidebar-foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  color: var(--muted);
  padding: 0.75rem 0.8rem;
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

/* —— Main —— */
.main {
  padding: 1.6rem 1.75rem 2.75rem;
  width: min(1280px, 100%);
  animation: rise 420ms var(--ease) both;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.app {
  animation: rise 380ms var(--ease) both;
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.35rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid rgba(201, 212, 206, 0.7);
}

h1 {
  margin: 0;
  letter-spacing: -0.04em;
  font-size: clamp(1.55rem, 2.6vw, 1.95rem);
  font-weight: 700;
  color: var(--ink);
}

.subtitle {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.top-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

button, select, input, textarea {
  font: inherit;
}

button, .btn {
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0.58rem 1rem;
  background: linear-gradient(180deg, #1a322a, var(--ink));
  color: white;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition: transform 160ms var(--ease), box-shadow 160ms var(--ease), opacity 160ms;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.12) inset;
}

button:hover, .btn:hover {
  opacity: 0.94;
  transform: translateY(-1px);
}

button:active, .btn:active {
  transform: translateY(0);
}

button.secondary, .btn.secondary {
  background: var(--surface);
  color: var(--ink-soft);
  border: 1px solid var(--line-strong);
  box-shadow: none;
}

button.danger {
  background: linear-gradient(180deg, #c73a30, var(--danger));
}

button.accent {
  background: linear-gradient(180deg, #12966c, var(--accent-2));
  box-shadow: 0 8px 18px var(--accent-glow), 0 1px 0 rgba(255, 255, 255, 0.14) inset;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.dot.online {
  background: #22c57a;
  box-shadow: 0 0 0 3px rgba(34, 197, 122, 0.18);
  animation: pulse 2s ease-in-out infinite;
}
.dot.offline {
  background: #ef6b63;
  box-shadow: 0 0 0 3px rgba(239, 107, 99, 0.14);
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(34, 197, 122, 0.18); }
  50% { box-shadow: 0 0 0 6px rgba(34, 197, 122, 0.08); }
}

/* —— Surfaces —— */
.panel, .stats .stat, .toolbar {
  border: 1px solid rgba(201, 212, 206, 0.9);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
}

.panel {
  padding: 1.15rem 1.2rem;
  margin-bottom: 1rem;
}

.panel > h3 {
  margin: 0 0 0.95rem;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
  font-weight: 600;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.95rem;
}

.panel-head h3 {
  margin: 0;
}

.panel-kicker {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.stats:empty {
  display: none;
}

.stat {
  position: relative;
  padding: 1.05rem 1.1rem 1.1rem;
  overflow: hidden;
  transition: transform 180ms var(--ease), border-color 180ms;
}

.stat::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.stat:nth-child(2)::before { background: #1f9d6c; }
.stat:nth-child(3)::before { background: var(--warn); }
.stat:nth-child(4)::before { background: var(--danger); }

.stat:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.stat span {
  display: block;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: 0.55rem;
}

.stat strong {
  font-size: clamp(1.15rem, 2.2vw, 1.55rem);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--ink);
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
  align-items: end;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}

.toolbar.toolbar-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0.95rem;
}

.toolbar-filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem 0.85rem;
}

.toolbar-filters [hidden] {
  display: none !important;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.action-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.action-group-absent {
  margin-left: auto;
  padding: 0.4rem 0.45rem 0.4rem 0.85rem;
  border: 1px solid rgba(180, 35, 24, 0.14);
  border-radius: 0.7rem;
  background: linear-gradient(180deg, #fff7f6, var(--danger-soft));
}

.action-meta {
  display: grid;
  gap: 0.08rem;
  margin-right: 0.35rem;
  min-width: 7.5rem;
}

.action-meta strong {
  font-size: 0.78rem;
  color: var(--danger);
  letter-spacing: -0.01em;
}

.action-meta span {
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 500;
}

.table-panel {
  padding-top: 0.95rem;
}

.table-panel .panel-head {
  margin-bottom: 0.65rem;
}

.table-scroll {
  overflow: auto;
  margin: 0 -0.25rem;
  padding: 0 0.25rem;
  max-height: min(62vh, 720px);
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #f7fbf9;
  box-shadow: 0 1px 0 var(--line);
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
  align-items: center;
}

label {
  display: grid;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.62rem 0.75rem;
  background: var(--surface);
  color: var(--ink);
  transition: border-color 160ms, box-shadow 160ms;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: rgba(11, 122, 88, 0.55);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  text-align: left;
  padding: 0.8rem 0.55rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
  font-size: 0.875rem;
}

tbody tr {
  transition: background 140ms;
}

tbody tr:hover {
  background: rgba(11, 122, 88, 0.035);
}

th {
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  background: #f7fbf9;
}

.mono {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 2rem 1rem !important;
  font-size: 0.92rem;
}

.pill, .badge {
  display: inline-flex;
  align-items: center;
  padding: 0.22rem 0.55rem;
  border-radius: 0.4rem;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
}

.pill.in, .pill.ok, .badge { background: var(--ok-soft); color: var(--ok); }
.pill.out, .pill.bad { background: var(--danger-soft); color: var(--danger); }
.pill.punch, .pill.warn, .badge.warn {
  background: var(--warn-soft);
  color: var(--warn);
}

.device-list {
  display: grid;
  gap: 0.65rem;
}

.device-row, .list-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
  transition: border-color 160ms, background 160ms;
}

.device-row:hover, .list-row:hover {
  border-color: var(--line-strong);
  background: var(--surface);
}

.device-row strong {
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.device-meta {
  display: grid;
  gap: 0.2rem;
  margin-top: 0.3rem;
}

.device-meta span {
  color: var(--muted);
  font-size: 0.78rem;
}

.toast {
  position: fixed;
  right: 1.1rem;
  bottom: 1.1rem;
  background: var(--ink);
  color: white;
  padding: 0.8rem 1.05rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  z-index: 50;
  font-size: 0.88rem;
  animation: rise 240ms var(--ease);
}
.toast.hidden { display: none; }
.toast.error { background: var(--danger); }

.notice {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 0.9rem 1rem 1rem;
  margin-bottom: 1rem;
}

.notice.hidden { display: none; }

.notice.warn {
  border-color: rgba(154, 100, 18, 0.28);
  background: linear-gradient(180deg, #fffdf6, var(--warn-soft));
}

.notice.error {
  border-color: rgba(180, 35, 24, 0.2);
  background: linear-gradient(180deg, #fff8f7, var(--danger-soft));
}

.notice.ok {
  border-color: rgba(11, 122, 88, 0.22);
  background: linear-gradient(180deg, #f7fdf9, var(--ok-soft));
}

.notice-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.55rem;
}

.notice-head strong {
  display: block;
  font-size: 0.92rem;
  letter-spacing: -0.02em;
}

.notice-head span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
}

.notice-lead {
  margin: 0.35rem 0 0.55rem;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.notice-table {
  max-height: 240px;
  margin: 0;
  padding: 0;
}

.schedule-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 0.55rem;
}

.schedule-day {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.7rem;
  background: var(--surface-soft);
}

.schedule-day strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.82rem;
}

/* —— Login —— */
body.login-page {
  display: block;
  min-height: 100vh;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(420px, 100%);
  padding: 2rem 1.65rem 1.75rem;
  border: 1px solid rgba(201, 212, 206, 0.95);
  border-radius: 1.15rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
  animation: rise 450ms var(--ease) both;
}

.login-card .brand-mark {
  margin-bottom: 1rem;
}

.login-card .eyebrow {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 500;
}

.login-card h1 {
  margin: 0;
  font-size: 1.55rem;
}

.login-form {
  display: grid;
  gap: 0.95rem;
  margin-top: 1.35rem;
}

.login-form button {
  width: 100%;
  justify-content: center;
  margin-top: 0.2rem;
  padding: 0.72rem 1rem;
}

.login-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.86rem;
}

.login-error.hidden {
  display: none;
}

.check-inline {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.9rem;
}

.check-inline input {
  width: auto;
  margin: 0;
}

@media (max-width: 960px) {
  body { grid-template-columns: 1fr; }
  .sidebar {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  #nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  #nav a.active::before { display: none; }
  .stats, .form-grid, .schedule-grid {
    grid-template-columns: 1fr 1fr;
  }
  .main {
    padding: 1.25rem 1rem 2rem;
  }
  .toolbar-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .action-group-absent {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .stats, .form-grid, .schedule-grid, #nav {
    grid-template-columns: 1fr;
  }
  .top {
    flex-direction: column;
    align-items: stretch;
  }
  .top-actions {
    justify-content: stretch;
  }
  .top-actions button {
    flex: 1;
  }
}