/* ── Custom Properties ────────────────────────────────────────────────────── */
:root {
  --bg:           #0d1610;
  --surface:      #141f17;
  --card:         #1a2b1d;
  --card-hover:   #1f3222;
  --border:       #2a3d2d;
  --border-light: #35503a;

  --accent:       #5a9e68;
  --accent-light: #72b882;
  --accent-dim:   #3a6e48;

  --warm:         #c8a04a;
  --warm-dim:     #a07e3a;

  --text:         #c8d8c4;
  --text-dim:     #7a9a7e;
  --text-muted:   #4a6a4e;

  --success:      #4d9e5a;
  --warning:      #c8a04a;
  --danger:       #bc5a5a;
  --info:         #5a8abc;

  --font-serif:   'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;

  --sidebar-w:    248px;
  --mobile-nav-h: 64px;
  --radius:       8px;
  --radius-lg:    12px;
  --radius-sm:    5px;

  --shadow:       0 1px 3px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.25);
}

/* ── Reset ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-light); text-decoration: none; }
a:hover { color: #fff; }

img { max-width: 100%; display: block; }

/* ── Layout — app (authenticated) ────────────────────────────────────────── */
.layout-app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: 1fr;
  min-height: 100vh;
}

.layout-app .sidebar         { grid-column: 1; grid-row: 1; }
.layout-app .main-content    { grid-column: 2; grid-row: 1; }
.layout-app .mobile-header   { display: none; }
.layout-app .mobile-nav      { display: none; }

/* ── Layout — auth ────────────────────────────────────────────────────────── */
.layout-auth .main-content {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 1.5rem;
}

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  overflow-y: auto;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: 0 1.5rem 2rem;
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.sidebar-logo:hover { color: var(--text); }

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  padding: 0 .75rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .65rem .85rem;
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: .875rem;
  font-weight: 500;
  transition: background .12s, color .12s;
}
.nav-link:hover { background: rgba(90,158,104,.08); color: var(--text); }
.nav-link.active { background: rgba(90,158,104,.15); color: var(--accent-light); }
.nav-link.active svg { stroke: var(--accent-light); }

.sidebar-logout {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0 .75rem;
  padding: .65rem .85rem;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: .8125rem;
  transition: color .12s;
}
.sidebar-logout:hover { color: var(--danger); }

/* ── Main content ─────────────────────────────────────────────────────────── */
.main-content {
  padding: 2rem 2.5rem 3rem;
  min-height: 100vh;
}

/* ── Page header ──────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 2rem;
}

.page-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}

.page-subtitle {
  color: var(--text-dim);
  font-size: .875rem;
  margin-top: .2rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--text-muted);
  font-size: .8125rem;
  margin-bottom: .4rem;
  transition: color .12s;
}
.back-link:hover { color: var(--text-dim); }

.header-actions { display: flex; gap: .5rem; align-items: flex-start; padding-top: .25rem; }

/* ── Flash messages ───────────────────────────────────────────────────────── */
.flash-container { margin-bottom: 1.5rem; display: flex; flex-direction: column; gap: .5rem; }

.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  padding: .8rem 1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  border-left: 3px solid;
  animation: slideDown .2s ease;
}
.flash-success  { background: rgba(77,158,90,.1);  border-color: var(--success); }
.flash-error    { background: rgba(188,90,90,.1);  border-color: var(--danger); }
.flash-warning  { background: rgba(200,160,74,.1); border-color: var(--warning); color: var(--warm); }
.flash-info     { background: rgba(90,138,188,.1); border-color: var(--info); }

.flash-close {
  background: none; border: none; cursor: pointer;
  color: inherit; opacity: .5; font-size: 1.1rem; line-height: 1;
  padding: 0; flex-shrink: 0;
}
.flash-close:hover { opacity: 1; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ── Notices ──────────────────────────────────────────────────────────────── */
.notice {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .8rem 1rem;
  border-radius: var(--radius);
  font-size: .875rem;
  margin-bottom: 1.5rem;
}
.notice-info    { background: rgba(90,138,188,.1); color: #8ab4d8; border: 1px solid rgba(90,138,188,.2); }
.notice-warning { background: rgba(200,160,74,.1); color: var(--warm); border: 1px solid rgba(200,160,74,.25); }
.notice a { color: inherit; text-decoration: underline; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.1rem;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: .875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .12s, color .12s, border-color .12s;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #0d1610;
}
.btn-primary:hover { background: var(--accent-light); color: #0d1610; }

.btn-ghost {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid var(--border-light);
}
.btn-ghost:hover { border-color: var(--text-muted); color: var(--text); background: rgba(255,255,255,.03); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-danger:hover { background: rgba(188,90,90,.1); }

.btn-action {
  font-size: .8125rem;
  padding: .5rem .9rem;
}
.btn-feed  { border: 1px solid var(--border-light); color: var(--text-dim); }
.btn-clean { border: 1px solid var(--border-light); color: var(--text-dim); }
.btn-feed:hover  { border-color: var(--accent-dim); color: var(--accent-light); background: rgba(90,158,104,.07); }
.btn-clean:hover { border-color: var(--info); color: #8ab4d8; background: rgba(90,138,188,.07); }

.btn-sm  { padding: .45rem .85rem; font-size: .8125rem; }
.btn-xs  { padding: .3rem .65rem; font-size: .75rem; }
.btn-block { width: 100%; justify-content: center; padding: .75rem; }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 640px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-row--freq { grid-template-columns: 1fr auto; align-items: end; }
.form-group--unit { min-width: 110px; }

.form-group { margin-bottom: 1.5rem; }

.form-label {
  display: block;
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.label-optional { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: .8em; }

.form-input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-light);
  color: var(--text);
  padding: .45rem 0;
  font-size: .9375rem;
  font-family: inherit;
  outline: none;
  transition: border-color .15s;
}
.form-input:focus { border-bottom-color: var(--accent); }
.form-input::placeholder { color: var(--text-muted); }

.form-select {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: .45rem .65rem;
  font-size: .875rem;
  font-family: inherit;
  outline: none;
  cursor: pointer;
  transition: border-color .15s;
}
.form-select:focus { border-color: var(--accent); }
.form-select option { background: var(--surface); }

.form-textarea { resize: vertical; min-height: 80px; line-height: 1.5; }

.form-section-title {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--accent-dim);
  margin: 1.75rem 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}

.form-hint {
  display: flex;
  align-items: flex-start;
  gap: .4rem;
  font-size: .8125rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}
.form-hint svg { flex-shrink: 0; margin-top: .1rem; }

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: .75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

/* Inline form elements (device assign row) */
.form-select--inline { flex: 1; min-width: 0; }
.form-input--inline  { flex: 1; min-width: 0; border-bottom: 1px solid var(--border-light); background: transparent; color: var(--text); padding: .3rem 0; font-size: .8125rem; outline: none; }

/* ── Feeding outcome toggle ───────────────────────────────────────────────── */
.outcome-selector {
  display: flex;
  gap: .75rem;
  margin-bottom: 1.75rem;
}

.outcome-option { flex: 1; cursor: pointer; }
.outcome-option input[type="radio"] { position: absolute; opacity: 0; width: 0; height: 0; }

.outcome-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: 1.25rem 1rem;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  font-size: .9375rem;
  font-weight: 500;
  color: var(--text-dim);
  transition: all .15s ease;
  text-align: center;
}
.outcome-btn:hover { border-color: var(--text-muted); color: var(--text); }

.outcome-option input:checked + .outcome-accepted {
  border-color: var(--success);
  background: rgba(77,158,90,.09);
  color: #7bc98a;
}
.outcome-option input:checked + .outcome-refused {
  border-color: var(--danger);
  background: rgba(188,90,90,.09);
  color: #d48080;
}

.refused-notice {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8125rem;
  color: var(--warm);
  background: rgba(200,160,74,.08);
  border: 1px solid rgba(200,160,74,.2);
  border-radius: var(--radius-sm);
  padding: .6rem .8rem;
  margin-bottom: 1.5rem;
}

/* ── Auth pages ───────────────────────────────────────────────────────────── */
.auth-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow);
}
.auth-card--wide { max-width: 480px; }

.auth-brand {
  text-align: center;
  margin-bottom: 2rem;
}
.auth-title {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text);
  margin-top: .75rem;
  margin-bottom: .3rem;
}
.auth-subtitle { color: var(--text-dim); font-size: .875rem; }

.auth-icon-shield { display: flex; justify-content: center; margin-bottom: .5rem; }

.auth-form { display: flex; flex-direction: column; gap: .25rem; }
.auth-form .form-group { margin-bottom: 1.25rem; }

.totp-input {
  font-size: 1.5rem;
  letter-spacing: .15em;
  text-align: center;
}

.auth-footer {
  text-align: center;
  margin-top: 1.25rem;
}
.link-subtle { color: var(--text-muted); font-size: .875rem; }
.link-subtle:hover { color: var(--text-dim); }

/* QR code setup */
.qr-wrapper {
  display: flex;
  justify-content: center;
  margin: 1.25rem 0;
}
.qr-image {
  width: 160px;
  height: 160px;
  border-radius: var(--radius-sm);
  image-rendering: pixelated;
}

.secret-reveal {
  text-align: center;
  margin-bottom: 1.5rem;
}
.secret-reveal summary {
  cursor: pointer;
  font-size: .8125rem;
  color: var(--text-muted);
  margin-bottom: .5rem;
}
.totp-secret {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .5rem .75rem;
  font-size: .8125rem;
  word-break: break-all;
  letter-spacing: .05em;
  margin-top: .5rem;
}

/* ── Dashboard reptile grid ───────────────────────────────────────────────── */
.reptile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
}

.reptile-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color .15s;
}
.reptile-card:hover { border-color: var(--border-light); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.card-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.2;
}
.card-species { color: var(--text-dim); font-size: .8125rem; font-style: italic; margin-top: .1rem; }

.card-detail-link {
  color: var(--text-muted);
  padding: .25rem;
  transition: color .12s;
}
.card-detail-link:hover { color: var(--text); }

/* Sensor row */
.sensor-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.sensor-chip {
  display: flex;
  align-items: center;
  gap: .4rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: .3rem .7rem;
  font-size: .75rem;
}
.sensor-label { color: var(--text-muted); }
.sensor-temp  { color: var(--text); font-weight: 500; }
.sensor-humid { color: var(--text-dim); }

/* Status section */
.card-status-section { display: flex; flex-direction: column; gap: .6rem; }

.status-row {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .8125rem;
}

.status-label {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: var(--text-muted);
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  min-width: 72px;
}

.status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-on-track  { background: var(--success); }
.status-due-soon  { background: var(--warning); }
.status-overdue   { background: var(--danger);  box-shadow: 0 0 0 2px rgba(188,90,90,.2); }

.status-dates { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.status-last { color: var(--text-dim); }
.status-next { color: var(--text-dim); }

.text-danger  { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted   { color: var(--text-muted); }

.refused-tag {
  display: inline-block;
  background: rgba(188,90,90,.15);
  color: var(--danger);
  border-radius: 3px;
  padding: 0 .35rem;
  font-size: .7rem;
  font-style: normal;
  margin-left: .2rem;
}

/* Card action buttons */
.card-actions {
  display: flex;
  gap: .6rem;
  padding-top: .5rem;
  border-top: 1px solid var(--border);
}
.card-actions .btn { flex: 1; justify-content: center; }

/* ── Battery indicators ───────────────────────────────────────────────────── */
.battery-indicator {
  font-size: .7rem;
  font-weight: 600;
  padding: .1rem .35rem;
  border-radius: 3px;
}
.battery-ok       { color: var(--success); background: rgba(77,158,90,.12); }
.battery-low      { color: var(--warning); background: rgba(200,160,74,.12); }
.battery-critical { color: var(--danger);  background: rgba(188,90,90,.12); }

.battery-display {
  display: flex;
  align-items: center;
  gap: .35rem;
  font-size: .8125rem;
  font-weight: 600;
}
.battery-display.battery-ok       { color: var(--success); }
.battery-display.battery-low      { color: var(--warning); }
.battery-display.battery-critical { color: var(--danger); }

.battery-pill {
  font-size: .75rem;
  font-weight: 600;
  padding: .1rem .4rem;
  border-radius: 3px;
}

/* ── Device page ──────────────────────────────────────────────────────────── */
.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

.device-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.device-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.device-name { font-weight: 600; color: var(--text); }
.device-type { font-size: .75rem; color: var(--text-muted); margin-top: .1rem; }

.device-readings {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: .85rem 1rem;
}
.reading-item { display: flex; flex-direction: column; gap: .15rem; }
.reading-label { font-size: .7rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; }
.reading-value { font-size: .9375rem; font-weight: 500; color: var(--text); }

.device-assignment { font-size: .8125rem; }
.assignment-current {
  display: flex;
  align-items: center;
  gap: .35rem;
  color: var(--success);
  margin-bottom: .5rem;
}
.assignment-current strong { color: var(--text); }
.assignment-label { color: var(--text-muted); }
.assignment-actions { display: flex; gap: .4rem; margin-bottom: .75rem; }
.assignment-empty { color: var(--text-muted); margin-bottom: .75rem; }

.assign-form { margin-top: .25rem; }
.assign-form.hidden { display: none; }
.assign-row { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }

/* ── Settings page ────────────────────────────────────────────────────────── */
.settings-section {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 2rem;
  margin-bottom: 1.25rem;
  max-width: 640px;
}

.settings-section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.settings-title { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 600; color: var(--text); }
.settings-desc  { color: var(--text-dim); font-size: .875rem; margin-top: .2rem; }

.settings-actions { margin-top: .5rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .3rem .65rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-connected    { background: rgba(77,158,90,.15);  color: var(--success); }
.badge-disconnected { background: rgba(74,106,78,.12);  color: var(--text-muted); }

/* ── Reptile detail page ──────────────────────────────────────────────────── */
.detail-section { margin-bottom: 2.5rem; }

.section-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid var(--border);
}

/* Sensor cards */
.sensor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: .75rem;
}
.sensor-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  text-align: center;
}
.sensor-card-label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .5rem; }
.sensor-card-temp  { font-size: 1.3rem; font-weight: 600; color: var(--text); margin-bottom: .35rem; }
.sensor-card-meta  { display: flex; justify-content: center; align-items: center; gap: .5rem; font-size: .8125rem; color: var(--text-dim); }

/* Schedule grid */
.schedule-grid { display: flex; flex-direction: column; gap: 1rem; }

.schedule-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
}
.schedule-icon {
  flex-shrink: 0;
  width: 40px; height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: var(--radius);
  color: var(--text-muted);
}
.schedule-item > div:nth-child(2) { flex: 1; }
.schedule-heading { display: flex; align-items: center; gap: .5rem; font-weight: 600; color: var(--text); }
.schedule-detail  { font-size: .875rem; color: var(--text-dim); margin-top: .2rem; }
.schedule-next    { font-size: .875rem; margin-top: .15rem; font-weight: 500; }
.schedule-freq    { font-size: .75rem; color: var(--text-muted); margin-top: .35rem; }

.notes-text { color: var(--text-dim); font-size: .9375rem; line-height: 1.7; }

/* History tables */
.table-wrapper { overflow-x: auto; }

.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}
.history-table th {
  text-align: left;
  padding: .6rem 1rem .6rem 0;
  color: var(--text-muted);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.history-table td {
  padding: .75rem 1rem .75rem 0;
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
  vertical-align: top;
}
.history-table tr:last-child td { border-bottom: none; }
.history-table tr:hover td { color: var(--text); background: rgba(255,255,255,.015); }

.td-date  { color: var(--text); white-space: nowrap; font-variant-numeric: tabular-nums; }
.td-notes { max-width: 280px; }

.outcome-badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 3px;
  font-size: .75rem;
  font-weight: 600;
}
.outcome-accepted { background: rgba(77,158,90,.15);  color: var(--success); }
.outcome-refused  { background: rgba(188,90,90,.15);  color: var(--danger); }

.empty-history { color: var(--text-muted); font-size: .875rem; padding: .75rem 0; }

/* ── Danger zone ──────────────────────────────────────────────────────────── */
.danger-zone {
  max-width: 640px;
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 1px solid rgba(188,90,90,.3);
  border-radius: var(--radius-lg);
  background: rgba(188,90,90,.04);
}
.danger-zone-title { color: var(--danger); font-size: .875rem; font-weight: 600; margin-bottom: .4rem; }
.danger-zone-text  { color: var(--text-muted); font-size: .875rem; margin-bottom: 1rem; }

/* ── Empty state ──────────────────────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 5rem 2rem;
  gap: .75rem;
}
.empty-state h2  { font-family: var(--font-serif); font-size: 1.3rem; color: var(--text-dim); }
.empty-state p   { color: var(--text-muted); font-size: .9rem; max-width: 320px; }
.empty-state .btn { margin-top: .5rem; }

/* ── Mobile header ────────────────────────────────────────────────────────── */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  align-items: center;
  padding: 0 1.25rem;
  height: 52px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.mobile-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}
.mobile-logo:hover { color: var(--text); }

/* ── Mobile bottom nav ────────────────────────────────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: var(--mobile-nav-h);
  background: var(--surface);
  border-top: 1px solid var(--border);
  z-index: 200;
}

.mobile-nav-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: .25rem;
  color: var(--text-muted);
  font-size: .6875rem;
  font-weight: 500;
  transition: color .12s;
  padding: .5rem 0;
  min-height: 44px;
}
.mobile-nav-link:hover { color: var(--text-dim); }
.mobile-nav-link.active { color: var(--accent-light); }
.mobile-nav-link.active svg { stroke: var(--accent-light); }

/* ── Responsive ───────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .layout-app {
    grid-template-columns: 1fr;
    grid-template-rows: 52px 1fr;
  }

  .layout-app .sidebar      { display: none; }
  .layout-app .mobile-header { display: flex; grid-column: 1; grid-row: 1; }
  .layout-app .mobile-nav   { display: flex; }
  .layout-app .main-content { grid-column: 1; grid-row: 2; }

  .main-content {
    padding: 1.25rem 1rem calc(var(--mobile-nav-h) + 1rem);
  }

  .page-header { flex-direction: column; gap: .75rem; margin-bottom: 1.25rem; }
  .page-title  { font-size: 1.4rem; }

  .reptile-grid  { grid-template-columns: 1fr; }
  .device-grid   { grid-template-columns: 1fr; }
  .sensor-grid   { grid-template-columns: 1fr 1fr; }

  .form-row     { grid-template-columns: 1fr; gap: 0; }
  .form-row--freq { grid-template-columns: 1fr auto; gap: 1rem; }
  .form-card    { padding: 1.25rem; }
  .form-actions { flex-direction: column-reverse; }
  .form-actions .btn { width: 100%; justify-content: center; }

  .auth-card    { padding: 1.75rem 1.25rem; }

  .schedule-item { flex-wrap: wrap; }
  .schedule-item .btn { align-self: flex-start; }

  .outcome-selector { gap: .5rem; }
  .outcome-btn { padding: 1rem .75rem; font-size: .875rem; }

  .settings-section { padding: 1.25rem; }
  .settings-section-header { flex-direction: column; gap: .5rem; }

  .table-wrapper { margin: 0 -1rem; padding: 0 1rem; }

  .assign-row { flex-direction: column; align-items: stretch; }
  .assign-row .btn { align-self: flex-start; }
}

@media (max-width: 420px) {
  .sensor-grid { grid-template-columns: 1fr; }
  .reptile-card { padding: 1.1rem; }
  .card-actions { flex-direction: column; }
}