/* Design tokens & CSS Variables */
:root {
  --app-width: 400px;
  --app-height: 600px;
  --bg-viewport: #0b0f19;
  --card-bg: #1e2538;
  --card-surface: #262f46;
  
  /* Stage quadrant colors (light orange) */
  --orange-bg: #fff0e2;
  --orange-border: #ffd7b2;
  --orange-text: #b44300;
  --orange-accent: #f97316;
  --orange-shadow: rgba(249, 115, 22, 0.25);
  
  /* Locked quadrants colors (darker gray) */
  --gray-dark-bg: #1c2233;
  --gray-dark-border: #2d374e;
  --gray-dark-icon: #64748b;
  --gray-dark-text: #94a3b8;
  
  /* Controls quadrant */
  --ctrl-bg: #1c2233;
  --ctrl-border: #2d374e;
  --btn-bg: #293247;
  --btn-hover: #37435f;
  --btn-active: #475577;
  --btn-icon: #e2e8f0;
  
  /* Banner */
  --banner-bg: #151a29;
  --banner-border: #242c42;
  
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  width: 100%;
  height: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-viewport);
  background-image: 
    radial-gradient(circle at 50% 20%, rgba(249, 115, 22, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 80%, rgba(30, 41, 59, 0.4) 0%, transparent 60%);
  color: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
}

/* Viewport frame: fits exactly 400px wide x 600px */
.app-frame {
  width: var(--app-width);
  height: var(--app-height);
  background-color: var(--card-bg);
  border-radius: 28px;
  box-shadow: 
    0 25px 60px -12px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(255, 255, 255, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* Banner section */
.top-banner {
  height: 84px;
  background: linear-gradient(180deg, #181f31 0%, var(--banner-bg) 100%);
  border-bottom: 1px solid var(--banner-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  position: relative;
  z-index: 10;
  flex-shrink: 0;
}

/* Single logo anchored to top left of banner */
.banner-logo-anchor {
  display: flex;
  align-items: center;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
  flex-shrink: 0;
}

.banner-logo-anchor:hover {
  transform: scale(1.02);
  opacity: 0.95;
}

.banner-logo-anchor:active {
  transform: scale(0.98);
}

.logo-image {
  height: 38px;
  width: auto;
  display: block;
  object-fit: contain;
}

/* Right side status container */
.banner-status-group {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: flex-end;
}

/* User email echo pill (next to online_status) */
.user-email-tag {
  font-size: 11px;
  font-weight: 600;
  color: #cbd5e1;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 4px 10px;
  border-radius: 999px;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: none;
}

.user-email-tag.visible {
  display: inline-block;
  animation: fadeIn 0.3s ease-out;
}

/* Visible Login button in banner (shown when user is NOT logged in) */
.banner-login-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  color: #0f172a;
  font-size: 11px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  text-decoration: none;
  line-height: 1;
}

.banner-login-btn:hover {
  background: #f8fafc;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.banner-login-btn:active {
  transform: translateY(1px);
}

.banner-login-btn svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

/* Status indicator badge in banner */
.banner-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 4px 8px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

.banner-badge.online {
  color: #10b981;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.banner-badge.online::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.banner-badge.offline {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.banner-badge.offline::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #ef4444;
  box-shadow: 0 0 8px #ef4444;
}

/* Animated Welcome Back Banner */
.welcome-banner {
  position: absolute;
  top: 84px;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, #f97316 0%, #ea580c 100%);
  color: #ffffff;
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.4);
  z-index: 50;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  pointer-events: none;
}

.welcome-banner.show {
  transform: translateY(0);
  opacity: 1;
}

/* Main content: 2x2 Grid */
.main-content {
  flex: 1;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 16px;
  position: relative;
}

/* Common quadrant box styles */
.quadrant-box {
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-fast);
  user-select: none;
}

/* Top-Left: STAGE (light orange background, clickable) */
.quadrant-stage {
  background: linear-gradient(145deg, #fff7ee 0%, var(--orange-bg) 60%, #ffe3c9 100%);
  border: 1.5px solid var(--orange-border);
  box-shadow: 
    0 8px 20px var(--orange-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  outline: none;
}

.quadrant-stage:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 28px rgba(249, 115, 22, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border-color: #ffbe85;
}

.quadrant-stage:active {
  transform: translateY(1px) scale(0.98);
  box-shadow: 0 4px 12px var(--orange-shadow);
}

.stage-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffedd5;
  border: 2px solid #fdba74;
  margin-bottom: 12px;
  color: var(--orange-accent);
  box-shadow: 0 4px 10px rgba(249, 115, 22, 0.15);
  transition: transform var(--transition-fast);
}

.quadrant-stage:hover .stage-badge {
  transform: scale(1.08);
}

.stage-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--orange-text);
  margin-bottom: 4px;
}

.stage-sub {
  font-size: 11px;
  font-weight: 600;
  color: #c25e1a;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Top-Right & Bottom-Left: Darker gray rounded boxes with locked icon */
.quadrant-locked {
  background-color: var(--gray-dark-bg);
  border: 1.5px solid var(--gray-dark-border);
  box-shadow: 
    inset 0 2px 4px rgba(0, 0, 0, 0.25),
    0 4px 12px rgba(0, 0, 0, 0.2);
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  cursor: not-allowed;
  opacity: 0.85;
}

.locked-icon-wrapper {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background-color: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(148, 163, 184, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-dark-icon);
  margin-bottom: 10px;
  transition: all var(--transition-fast);
}

.locked-icon {
  width: 22px;
  height: 22px;
  display: block;
}

.locked-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-dark-text);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.locked-sub {
  font-size: 10px;
  color: #475569;
  margin-top: 2px;
}

/* Bottom-Right: Row of 3 buttons (Settings, Info, Logout) */
.quadrant-controls {
  background-color: var(--ctrl-bg);
  border: 1.5px solid var(--ctrl-border);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 12px 6px;
}

.controls-heading {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #64748b;
  margin-bottom: 10px;
}

.buttons-row {
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  width: 100%;
  gap: 6px;
}

.action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--btn-bg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  width: 48px;
  height: 52px;
  cursor: pointer;
  color: var(--btn-icon);
  transition: all var(--transition-fast);
  outline: none;
  padding: 4px;
}

.action-btn .btn-icon-img {
  width: 20px;
  height: 20px;
  display: block;
  transition: transform var(--transition-fast);
}

.action-btn .btn-label {
  font-size: 8.5px;
  font-weight: 600;
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  color: #94a3b8;
  transition: color var(--transition-fast);
}

.action-btn:hover {
  background-color: var(--btn-hover);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-2px);
}

.action-btn:hover .btn-icon-img {
  transform: scale(1.1);
}

.action-btn:hover .btn-label {
  color: #f8fafc;
}

.action-btn:active {
  transform: scale(0.95);
  background-color: var(--btn-active);
}

/* Logout action button */
.action-btn.btn-logout:hover {
  background-color: rgba(239, 68, 68, 0.18);
  border-color: rgba(239, 68, 68, 0.4);
}

.action-btn.btn-logout:hover .btn-label {
  color: #f87171;
}

/* Visibility utilities */
.hidden {
  display: none !important;
}

/* =========================================================
   FULL PAGE 'STAGE' MODE VIEW
   ========================================================= */
.stage-mode-view {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-viewport);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(249, 115, 22, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 90% 80%, rgba(30, 41, 59, 0.5) 0%, transparent 55%);
  z-index: 999;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  opacity: 0;
  transition: opacity 0.25s ease-in-out;
}

.stage-mode-view.active {
  display: flex;
  opacity: 1;
}

/* Stage Mode Top Navbar */
.stage-mode-nav {
  height: 72px;
  background: rgba(21, 26, 41, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--banner-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  position: sticky;
  top: 0;
  z-index: 10;
  flex-shrink: 0;
}

.stage-mode-nav-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.stage-mode-tag {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange-accent);
  background: rgba(249, 115, 22, 0.12);
  border: 1px solid rgba(249, 115, 22, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.stage-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #f1f5f9;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.stage-back-btn:hover {
  background: #2a344d;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Stage Mode Content Container */
.stage-mode-content {
  flex: 1;
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.stage-record-header {
  margin-bottom: 24px;
}

.stage-record-title {
  font-size: 26px;
  font-weight: 800;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.record-id-badge {
  font-family: monospace;
  font-size: 16px;
  color: #fb923c;
  background: rgba(251, 146, 60, 0.12);
  border: 1px solid rgba(251, 146, 60, 0.3);
  padding: 4px 12px;
  border-radius: 8px;
}

.stage-record-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Card displaying the record */
.record-card {
  background: var(--card-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.record-card-header {
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.record-card-body {
  padding: 24px;
}

.record-fields-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.field-box {
  background: #141a29;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 14px 16px;
}

.field-key {
  font-size: 11px;
  font-weight: 700;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 6px;
}

.field-value {
  font-size: 14px;
  font-weight: 600;
  color: #f1f5f9;
  word-break: break-all;
}

.json-viewer-box {
  background: #0f1420;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  padding: 16px;
  font-family: monospace;
  font-size: 12px;
  color: #93c5fd;
  overflow-x: auto;
  line-height: 1.6;
}

/* Loading & Empty state */
.record-state-box {
  padding: 60px 24px;
  text-align: center;
}

.record-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--orange-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 18px;
}

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

/* Toast message notification popup */
.toast-notice {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%) translateY(50px);
  background: rgba(15, 23, 42, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #f1f5f9;
  font-size: 12px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.25s ease;
  z-index: 1000;
  white-space: nowrap;
}

.toast-notice.visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* Responsiveness for viewports narrower than 400px */
@media (max-width: 410px) {
  body {
    padding: 0;
  }
  .app-frame {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    box-shadow: none;
  }
}