:root {
  --bg-page: #eaeff5;
  --sidebar-text: #475569;
  --sidebar-text-hover: #0f172a;
  --sidebar-active-bg: rgba(255, 255, 255, 0.9);
  --sidebar-active-text: #1d4ed8;
  --accent: #2563eb;
  --canvas-bg: #ffffff;
  --canvas-border: rgba(148, 163, 184, 0.25);
  --canvas-shadow: 0 12px 36px rgba(15, 23, 42, 0.06);
  --card-bg: #f8fafc;
  --card-border: #e2e8f0;
  --font-mono: 'DM Mono', monospace;
  --font-sans: 'Manrope', system-ui, sans-serif;
  --ink: var(--sidebar-text-hover);
  --text: var(--sidebar-text);
  --blue: var(--accent);
  --blue2: var(--accent);
  --soft: var(--card-bg);
  --pale: var(--card-bg);
  --line: var(--card-border);
  --mono: var(--font-mono);
  --sans: var(--font-sans);
}

body[data-theme="nordic-blue"] {
  --bg-page: #e6eef8;
  --sidebar-text: #334e68;
  --sidebar-text-hover: #0a2540;
  --sidebar-active-bg: rgba(255, 255, 255, 0.94);
  --sidebar-active-text: #0284c7;
  --accent: #0284c7;
  --canvas-bg: #ffffff;
  --canvas-border: rgba(186, 215, 243, 0.4);
  --canvas-shadow: 0 12px 36px rgba(10, 37, 64, 0.07);
  --card-bg: #f0f7ff;
  --card-border: #d0e2f5;
}

body[data-theme="sage-focus"] {
  --bg-page: #e2ede5;
  --sidebar-text: #2f4f38;
  --sidebar-text-hover: #122818;
  --sidebar-active-bg: rgba(255, 255, 255, 0.94);
  --sidebar-active-text: #16a34a;
  --accent: #16a34a;
  --canvas-bg: #fcfffd;
  --canvas-border: rgba(167, 201, 178, 0.35);
  --canvas-shadow: 0 12px 36px rgba(18, 40, 24, 0.06);
  --card-bg: #f2f9f4;
  --card-border: #d4ebd9;
}

body[data-theme="warm-amber"] {
  --bg-page: #f5ebe1;
  --sidebar-text: #634a39;
  --sidebar-text-hover: #2e1d11;
  --sidebar-active-bg: rgba(255, 255, 255, 0.94);
  --sidebar-active-text: #ea580c;
  --accent: #ea580c;
  --canvas-bg: #fffefe;
  --canvas-border: rgba(226, 199, 175, 0.4);
  --canvas-shadow: 0 12px 36px rgba(46, 29, 17, 0.06);
  --card-bg: #fff7ed;
  --card-border: #fed7aa;
}

body[data-theme="executive-dark"] {
  --bg-page: #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-text-hover: #ffffff;
  --sidebar-active-bg: #1e293b;
  --sidebar-active-text: #38bdf8;
  --accent: #38bdf8;
  --canvas-bg: #131d33;
  --canvas-border: rgba(51, 65, 85, 0.7);
  --canvas-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
  --card-bg: #1a2642;
  --card-border: #293856;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body.shell-page,
html:has(body.shell-page) { height: 100%; }

body.shell-page {
  font-family: var(--font-sans);
  background: var(--bg-page);
  color: var(--sidebar-text-hover);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  padding: 12px;
  overflow: hidden;
  position: relative;
  -webkit-font-smoothing: antialiased;
}

body[data-theme="executive-dark"] { color: #f8fafc; }

.menu-fab-trigger {
  display: grid;
  place-items: center;
  position: fixed;
  left: 0;
  bottom: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  z-index: 250;
  transform: translate(-50%, 50%);
}
.menu-fab-trigger:active { transform: translate(-50%, 50%) scale(0.92); }
.menu-fab-trigger img {
  width: 28px;
  height: 28px;
  filter: brightness(0) invert(1);
}
body.sidebar-open .menu-fab-trigger {
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 50%) scale(0.6);
  pointer-events: none;
}

.drawer-backdrop {
  display: block;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.38);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 0;
  pointer-events: none;
  z-index: 180;
}
body.sidebar-open .drawer-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.sidebar {
  position: fixed;
  top: 12px;
  bottom: 12px;
  left: 12px;
  width: 66px;
  background: var(--bg-page);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--canvas-border);
  transform: translateX(calc(-100% - 30px));
  transition: width 0.25s cubic-bezier(0.32, 0.72, 0.24, 1);
  display: flex;
  flex-direction: column;
  padding: 14px 6px;
  user-select: none;
  z-index: 200;
  overflow: visible;
}
body.sidebar-open .sidebar { transform: translateX(0); }
.sidebar.expanded { width: 224px; }

.sidebar-drag-handle {
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 64px;
  background: var(--sidebar-active-bg);
  border: 1px solid var(--canvas-border);
  border-radius: 0 10px 10px 0;
  cursor: grab;
  touch-action: none;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 4px 0 12px rgba(0, 0, 0, 0.1);
  z-index: 220;
}
.sidebar-drag-handle::before {
  content: '';
  width: 3px;
  height: 24px;
  border-radius: 3px;
  background: var(--sidebar-text);
  opacity: 0.55;
}
.sidebar-drag-handle:active { cursor: grabbing; }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2px 4px 14px;
  margin-bottom: 8px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
  justify-content: center;
  text-decoration: none;
  color: inherit;
}
.brand-logo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: var(--accent);
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  flex-shrink: 0;
  transition: background 0.3s ease;
}
.brand-title {
  font-weight: 800;
  font-size: 15px;
  color: var(--sidebar-text-hover);
  letter-spacing: -0.4px;
  display: none;
}
.brand-title span { color: var(--accent); transition: color 0.3s ease; }
.sidebar.expanded .brand { justify-content: flex-start; padding-left: 6px; }
.sidebar.expanded .brand-title { display: block; }

.gnav-container {
  position: relative;
  background: rgba(255, 255, 255, 0.5);
  -webkit-backdrop-filter: blur(8px) saturate(150%);
  backdrop-filter: blur(8px) saturate(150%);
  border-radius: 12px;
  padding: 4px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 1;
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}
body[data-theme="executive-dark"] .gnav-container {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(255, 255, 255, 0.08);
}

.gnav-indicator {
  position: absolute;
  top: 4px;
  left: 4px;
  right: 4px;
  height: 38px;
  border-radius: 12px;
  background: var(--sidebar-active-bg);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
  pointer-events: none;
  z-index: 1;
  will-change: transform, height;
  transform: translateY(0);
}
.gnav-indicator[data-phase="stretch"] {
  transition: transform 190ms cubic-bezier(0.32, 0.72, 0.24, 1),
              height 190ms cubic-bezier(0.32, 0.72, 0.24, 1);
}
.gnav-indicator[data-phase="settle"] {
  transition: transform 420ms cubic-bezier(0.28, 1.28, 0.36, 1),
              height 420ms cubic-bezier(0.24, 1.34, 0.38, 1);
}

.nav-item {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: 12px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  position: relative;
  z-index: 2;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  height: 38px;
  transition: color 0.18s ease;
}
.sidebar.expanded .nav-item {
  justify-content: flex-start;
  padding: 0 10px;
  gap: 12px;
}
.nav-item:hover { color: var(--sidebar-text-hover); }
.nav-item.active { color: var(--sidebar-active-text); font-weight: 700; }

.nav-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.nav-icon img {
  width: 18px;
  height: 18px;
  display: block;
  filter: invert(30%) sepia(10%) saturate(800%) hue-rotate(180deg) brightness(85%);
  transition: filter 0.2s ease;
}
body[data-theme="executive-dark"] .nav-icon img { filter: invert(70%) brightness(95%); }
.nav-item.active .nav-icon img {
  filter: invert(30%) sepia(85%) saturate(2400%) hue-rotate(210deg) brightness(98%);
}
body[data-theme="nordic-blue"] .nav-item.active .nav-icon img {
  filter: invert(40%) sepia(90%) saturate(1800%) hue-rotate(175deg) brightness(95%);
}
body[data-theme="sage-focus"] .nav-item.active .nav-icon img {
  filter: invert(45%) sepia(80%) saturate(1200%) hue-rotate(95deg) brightness(85%);
}
body[data-theme="warm-amber"] .nav-item.active .nav-icon img {
  filter: invert(45%) sepia(90%) saturate(2200%) hue-rotate(360deg) brightness(95%);
}
body[data-theme="executive-dark"] .nav-item.active .nav-icon img {
  filter: invert(70%) sepia(70%) saturate(2000%) hue-rotate(165deg) brightness(110%);
}

.nav-text { display: none; }
.sidebar.expanded .nav-text { display: inline-block; }

.sidebar-footer {
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: none;
}

.sidebar-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sidebar:not(.expanded) .sidebar-tools {
  flex-direction: column;
  gap: 8px;
}
.sidebar-daynight-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.95);
  background: var(--card-bg);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.15s ease;
}
.sidebar-daynight-btn:hover {
  transform: scale(1.06);
}
.sidebar.expanded .sidebar-tools .fan-picker {
  flex: 1;
}
.main-canvas {
  flex: 1;
  min-width: 0;
  min-height: 0;
  background: var(--canvas-bg);
  border: 1px solid var(--canvas-border);
  border-radius: 12px;
  box-shadow: var(--canvas-shadow);
  padding: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  height: 100%;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.canvas-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  flex-shrink: 0;
}
.canvas-title {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.3px;
  color: var(--sidebar-text-hover);
}
.canvas-subtitle {
  font-size: 12.5px;
  color: var(--sidebar-text);
  margin-top: 2px;
}

.page-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
  font: 700 11px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 8px 14px;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}
.page-back-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.email-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--canvas-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 8px 10px 8px 16px;
  gap: 12px;
}
.copy-pill {
  border: 0;
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--accent);
  padding: 8px 14px;
  font: 700 10px var(--font-mono);
  text-transform: uppercase;
  cursor: pointer;
}

.main-canvas.dash-canvas.canvas-scroll {
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}
.dash-canvas.canvas-scroll .clean-frame {
  height: auto;
  max-height: none;
  min-height: 100%;
  overflow: visible;
}
.dash-canvas.canvas-scroll .frame-left,
.dash-canvas.canvas-scroll .frame-right {
  overflow: visible;
}
.dash-canvas .clean-frame {
  flex: 1;
  min-height: 0;
  width: 100%;
  height: 100%;
  max-height: 100%;
  background: var(--canvas-bg);
  border: 1px solid var(--canvas-border);
  box-shadow: none;
  overflow: hidden;
}
.dash-canvas .frame-left,
.dash-canvas .frame-right {
  min-height: 0;
  overflow: auto;
}
@media (max-width: 900px) {
  body.shell-page { padding: 8px; }
  .main-canvas { padding: 12px; }
  .canvas-title { font-size: 16px; }
  .canvas-header { align-items: center; }
  .page-back-btn { padding: 6px 10px; font-size: 10px; }
  .dash-canvas { overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .dash-canvas .clean-frame {
    height: auto;
    max-height: none;
    overflow: visible;
    display: block;
  }
  .dash-canvas .frame-left,
  .dash-canvas .frame-right {
    overflow: visible;
  }
  .dash-canvas.canvas-scroll .channel-breakdown-card {
    width: calc(100% + 24px);
    margin-left: -12px;
    margin-right: -12px;
  }
}