/* ==========================================================================
   iSPACE JARVIS v2.0 — Clean White Editorial Light & Mobile-First Design System
   Palette:
   - Canvas:       #FAF8F5 (Warm Editorial Ivory)
   - Surface:      #FFFFFF (Pure Crisp White)
   - Ink Primary:  #0A0D14
   - Ink Secondary:#4B5563
   - Ink Muted:    #6B7280
   - Border:       #E6E3DD
   - Accent Blue:  #004AAD (iSPACE Royal Blue)
   - Emerald:      #10B981
   - Rose Alert:   #E11D48
   - Amber:        #D97706
   ========================================================================== */

:root {
  --bg-canvas: #FAF8F5;
  --bg-surface: #FFFFFF;
  --bg-subtle: #F3F1EC;
  --ink-primary: #0A0D14;
  --ink-secondary: #4B5563;
  --ink-muted: #6B7280;
  --border-light: #E6E3DD;
  --border-hover: #CFCBC2;
  --accent-blue: #004AAD;
  --accent-blue-hover: #003985;
  --accent-blue-soft: #EEF4FF;
  --status-emerald: #10B981;
  --status-emerald-soft: #ECFDF5;
  --status-rose: #E11D48;
  --status-rose-soft: #FFF1F2;
  --status-amber: #D97706;
  --status-amber-soft: #FFFBEB;
  --shadow-sm: 0 1px 3px rgba(10, 13, 20, 0.04), 0 1px 2px rgba(10, 13, 20, 0.02);
  --shadow-md: 0 8px 24px -4px rgba(10, 13, 20, 0.06), 0 2px 6px -1px rgba(10, 13, 20, 0.03);
  --shadow-lg: 0 20px 44px -10px rgba(0, 74, 173, 0.16);
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  background-color: var(--bg-canvas);
  color: var(--ink-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 100vw;
}

.hidden-block {
  display: none !important;
}

.hidden-shell {
  display: none !important;
}

/* ==========================================================================
   ENTERPRISE COGNITO AUTH SCREEN & 2FA MODALS
   ========================================================================== */

.auth-screen {
  position: fixed;
  inset: 0;
  z-index: 150;
  background: radial-gradient(circle at 50% 0%, #EEF4FF 0%, var(--bg-canvas) 68%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  overflow-y: auto;
}

.auth-card {
  width: 100%;
  max-width: 430px;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 24px;
  padding: 28px 26px 24px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.auth-card-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #041E4E 0%, #004AAD 50%, #38BDF8 100%);
}

.auth-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.auth-logo-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 14px;
}

.auth-logo-img {
  width: 76px;
  height: 76px;
  border-radius: 18px;
  box-shadow: 0 10px 25px rgba(0, 74, 173, 0.25);
}

.auth-title {
  font-size: 1.5rem;
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
}

.auth-subtitle {
  font-size: 0.84rem;
  color: var(--ink-muted);
  text-align: center;
  margin-top: 4px;
  margin-bottom: 22px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.input-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 13px;
  color: var(--ink-muted);
  pointer-events: none;
}

.input-field.with-icon {
  padding-left: 40px;
}

.auth-submit-btn {
  width: 100%;
  padding: 13px 18px;
  font-size: 0.95rem;
  margin-top: 4px;
  box-shadow: 0 6px 18px rgba(0, 74, 173, 0.22);
}

.auth-footer {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--ink-muted);
  text-transform: uppercase;
}

.auth-modal-card {
  text-align: center;
  max-width: 420px;
}

.mfa-icon-badge {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  border: 3px solid rgba(0, 74, 173, 0.14);
}

.mfa-code-input {
  text-align: center;
  font-size: 1.55rem !important;
  font-weight: 700;
  letter-spacing: 0.38em;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  padding: 12px 14px;
}

.qr-code-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: 16px;
  margin: 0 auto 16px;
}

.btn-spinner {
  width: 16px;
  height: 16px;
  border: 2.2px solid rgba(255, 255, 255, 0.35);
  border-top-color: #FFFFFF;
  border-radius: 50%;
  animation: spinAnim 0.7s linear infinite;
}

@keyframes spinAnim {
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   HEADER & DESKTOP NAVIGATION
   ========================================================================== */

.jarvis-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
  padding-top: env(safe-area-inset-top);
}

.header-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 13px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand-cluster {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  background: var(--accent-blue);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 74, 173, 0.22);
  flex-shrink: 0;
  overflow: hidden;
}

.brand-text-wrap {
  min-width: 0;
}

.brand-title {
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.brand-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 74, 173, 0.18);
  white-space: nowrap;
}

.brand-subtitle {
  font-size: 0.79rem;
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.live-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--status-emerald-soft);
  color: #065F46;
  border: 1px solid rgba(16, 185, 129, 0.25);
  white-space: nowrap;
}

.live-pill.degraded {
  background: var(--status-rose-soft);
  color: #9F1239;
  border-color: rgba(225, 29, 72, 0.25);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--status-emerald);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
  flex-shrink: 0;
}

.live-pill.degraded .pulse-dot {
  background: var(--status-rose);
  box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.2);
}

/* Desktop Navigation Tabs */
.nav-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
}

.nav-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

.nav-inner::-webkit-scrollbar {
  display: none;
}

.tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-secondary);
  background: transparent;
  border: none;
  border-bottom: 2.5px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.18s ease;
}

.tab-btn:hover {
  color: var(--ink-primary);
  background: var(--bg-subtle);
}

.tab-btn.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
  background: rgba(0, 74, 173, 0.03);
}

/* Sticky Bottom Mobile Navigation Bar (hidden on Desktop) */
.mobile-bottom-nav {
  display: none;
}

/* ==========================================================================
   MAIN WORKSPACE & PWA BANNER
   ========================================================================== */

.main-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 26px 24px 72px;
}

.pwa-install-banner {
  background: linear-gradient(90deg, #EEF4FF 0%, #FFFFFF 100%);
  border: 1px solid #C7DCFF;
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.pwa-banner-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.pwa-banner-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.pwa-banner-sub {
  font-size: 0.78rem;
  color: var(--ink-secondary);
}

.pwa-banner-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

/* Hero Voice Command Deck */
.command-hero-grid {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  gap: 22px;
  margin-bottom: 28px;
}

.surface-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 0;
}

.surface-card:hover {
  border-color: var(--border-hover);
}

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.card-title {
  font-size: 1.03rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.35;
}

.card-subtitle {
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 3px;
}

/* Interactive Voice Orb */
.voice-orb-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 16px;
  background: linear-gradient(180deg, #F8FAFF 0%, #FFFFFF 100%);
  border: 1px solid #DCE7FF;
  border-radius: var(--radius-lg);
  text-align: center;
}

.voice-orb-btn {
  width: 94px;
  height: 94px;
  border-radius: 50%;
  border: none;
  background: var(--accent-blue);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(0, 74, 173, 0.28);
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.voice-orb-btn:hover {
  transform: scale(1.04);
  background: var(--accent-blue-hover);
}

.voice-orb-btn.active {
  background: var(--status-rose);
  box-shadow: 0 0 0 10px rgba(225, 29, 72, 0.14), 0 12px 30px rgba(225, 29, 72, 0.32);
  animation: orbPulse 1.8s infinite ease-in-out;
}

@keyframes orbPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

.orb-status-label {
  margin-top: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--ink-primary);
}

.waveform-bars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 24px;
  margin-top: 14px;
}

.wave-bar {
  width: 4px;
  height: 6px;
  border-radius: 99px;
  background: var(--accent-blue);
  opacity: 0.35;
  transition: height 0.1s ease, opacity 0.1s ease;
}

.waveform-bars.active .wave-bar {
  opacity: 1;
}

.live-transcript-box {
  width: 100%;
  margin-top: 14px;
  padding: 12px 14px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--ink-secondary);
  min-height: 62px;
  max-height: 150px;
  overflow-y: auto;
  text-align: left;
  overflow-wrap: anywhere;
}

.chat-response-box {
  min-height: 130px;
  max-height: 240px;
  white-space: pre-wrap;
  margin-top: 0;
}

.chat-input-row {
  display: flex;
  gap: 8px;
}

.info-callout {
  padding: 11px 14px;
  background: var(--accent-blue-soft);
  border-radius: 10px;
  font-size: 0.8rem;
  color: var(--accent-blue);
  line-height: 1.45;
}

/* Buttons & Inputs */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  min-height: 42px;
  border-radius: var(--radius-md);
  font-size: 0.87rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.16s ease;
  text-decoration: none;
  white-space: nowrap;
}

.btn-compact {
  padding: 7px 12px;
  min-height: 36px;
  font-size: 0.8rem;
}

.btn-primary {
  background: var(--accent-blue);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: var(--accent-blue-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--ink-primary);
  border-color: var(--border-light);
}

.btn-secondary:hover {
  background: var(--bg-subtle);
  border-color: var(--border-hover);
}

.btn-danger {
  background: var(--status-rose-soft);
  color: var(--status-rose);
  border-color: rgba(225, 29, 72, 0.25);
}

.btn-danger:hover {
  background: var(--status-rose);
  color: #FFFFFF;
}

.input-field, .select-field, .textarea-field {
  width: 100%;
  padding: 10px 13px;
  min-height: 42px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--bg-surface);
  color: var(--ink-primary);
  font-size: 0.92rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.input-field:focus, .select-field:focus, .textarea-field:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 74, 173, 0.12);
}

.field-label {
  display: block;
  font-size: 0.81rem;
  font-weight: 600;
  color: var(--ink-secondary);
  margin-bottom: 6px;
}

.two-col-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.three-col-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* 6 Systems Bento Grid */
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--ink-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 28px;
}

.system-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  min-width: 0;
}

.system-card.unhealthy {
  border-color: rgba(225, 29, 72, 0.45);
  background: #FFFBFB;
}

.sys-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.sys-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink-primary);
}

.sys-url {
  font-size: 0.77rem;
  color: var(--accent-blue);
  text-decoration: none;
  display: inline-block;
  margin-top: 2px;
  word-break: break-all;
}

.sys-url:hover {
  text-decoration: underline;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.status-badge.ok {
  background: var(--status-emerald-soft);
  color: #065F46;
}

.status-badge.err {
  background: var(--status-rose-soft);
  color: #9F1239;
}

.sys-kpis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border-light);
}

.kpi-box {
  background: var(--bg-canvas);
  padding: 8px 10px;
  border-radius: 8px;
  min-width: 0;
}

.kpi-label {
  font-size: 0.69rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.kpi-val {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-top: 1px;
  overflow-wrap: anywhere;
}

/* Two Column Layout & Settings */
.dual-grid, .settings-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.item-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list-row {
  padding: 13px 15px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-canvas);
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.list-row-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
}

.tag-pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--accent-blue-soft);
  color: var(--accent-blue);
  white-space: nowrap;
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.note-composer-box {
  margin-bottom: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.note-form-top-row {
  display: grid;
  grid-template-columns: 1fr 150px;
  gap: 10px;
}

.push-control-box {
  padding: 14px;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #F5F9FF 0%, #FFFFFF 100%);
  border: 1px solid #D0E1FF;
}

.push-control-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  background: var(--bg-canvas);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
}

.toggle-title {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--ink-primary);
}

.toggle-desc {
  font-size: 0.77rem;
  color: var(--ink-muted);
  margin-top: 2px;
}

.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: #D1D5DB;
  border-radius: 999px;
  transition: 0.2s;
}

.toggle-slider::before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: #FFFFFF;
  border-radius: 50%;
  transition: 0.2s;
}

.toggle-switch input:checked + .toggle-slider {
  background-color: var(--accent-blue);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
}

/* Custom Toast & Modal */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: calc(100vw - 32px);
}

.toast-item {
  background: var(--ink-primary);
  color: #FFFFFF;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 380px;
  transition: opacity 0.25s ease;
}

.toast-item.error {
  background: var(--status-rose);
}

.toast-item.success {
  background: #065F46;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 13, 20, 0.48);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
  z-index: 180;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-backdrop.open {
  display: flex;
}

.modal-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 24px 22px;
  max-width: 460px;
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.modal-actions-row {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* ==========================================================================
   MOBILE-FIRST RESPONSIVE BREAKPOINTS (360px - 1024px)
   ========================================================================== */

@media (max-width: 1024px) {
  .systems-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .command-hero-grid, .dual-grid, .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  /* Hide desktop horizontal tab bar & enable Sticky Bottom Mobile Nav */
  .desktop-nav {
    display: none;
  }

  .mobile-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 60;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--border-light);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    box-shadow: 0 -4px 18px rgba(10, 13, 20, 0.05);
  }

  .mobile-nav-btn {
    background: transparent;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 6px 4px;
    border-radius: 10px;
    color: var(--ink-muted);
    font-size: 0.7rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.15s ease, background-color 0.15s ease;
  }

  .mobile-nav-btn.active {
    color: var(--accent-blue);
    background: var(--accent-blue-soft);
  }

  .header-inner {
    padding: 10px 14px;
    gap: 8px;
  }

  .brand-subtitle {
    display: none;
  }

  .brand-title {
    font-size: 0.98rem;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
  }

  .btn-call-label, .logout-label {
    display: none;
  }

  .btn-header-call {
    padding: 8px 11px;
    min-height: 36px;
  }

  .live-pill {
    padding: 4px 9px;
    font-size: 0.72rem;
  }

  .main-container {
    padding: 16px 12px calc(88px + env(safe-area-inset-bottom));
  }

  .systems-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .surface-card {
    padding: 16px 14px;
  }

  .three-col-form-grid,
  .note-form-top-row {
    grid-template-columns: 1fr;
  }

  /* Prevent iOS Safari zoom on input focus */
  .input-field, .select-field, .textarea-field {
    font-size: 16px;
  }

  .toast-container {
    bottom: calc(76px + env(safe-area-inset-bottom));
    right: 12px;
    left: 12px;
  }

  .toast-item {
    max-width: 100%;
  }
}

@media (max-width: 400px) {
  .two-col-kpi-grid {
    grid-template-columns: 1fr;
  }
  .brand-badge {
    display: none;
  }
}