:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --surface: #ffffff;
  --surface-2: #eef3f8;
  --ink: #152033;
  --muted: #657184;
  --line: #d9e0e8;
  --blue: #1f6feb;
  --green: #0f8a5f;
  --amber: #b7791f;
  --red: #c2413a;
  --violet: #7047b8;
  --shadow: 0 8px 24px rgba(18, 33, 53, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 14px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: #102033;
  color: #f7fbff;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 22px 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: #2aa876;
  color: #ffffff;
  border-radius: 8px;
  font-weight: 800;
}

.brand-title {
  font-weight: 800;
  font-size: 18px;
}

.brand-subtitle,
.side-label {
  color: #b8c4d2;
  font-size: 12px;
}

.nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  border: 0;
  background: transparent;
  color: #d8e3ef;
  text-align: left;
  padding: 11px 12px;
  border-radius: 8px;
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.nav-item:hover,
.nav-item.active {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.nav-number {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.09);
  color: #ffffff;
  font-size: 12px;
  font-weight: 800;
}

.nav-item.active .nav-number {
  background: #2aa876;
}

.nav-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.nav-title {
  font-weight: 800;
  line-height: 1.2;
}

.nav-desc {
  color: #b8c4d2;
  font-size: 12px;
  line-height: 1.35;
}

.nav-item.active .nav-desc,
.nav-item:hover .nav-desc {
  color: #dbe7f5;
}

.side-panel {
  margin-top: auto;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.05);
}

.target-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 10px;
  color: #dce8f4;
}

.main {
  min-width: 0;
  padding: 22px;
}

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

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.15;
}

h2 {
  font-size: 18px;
}

h3 {
  font-size: 15px;
}

.topbar p,
.panel-head p,
.metric small,
.lead-card small,
.playbook-step span,
.message-meta,
.analysis-box,
.screen-guide p,
.view-help span {
  color: var(--muted);
}

.top-actions,
.writer-actions,
.form-actions,
.toolbar,
.stage-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.primary-button,
.secondary-button,
.danger-button,
.icon-button {
  border: 1px solid transparent;
  border-radius: 8px;
  min-height: 38px;
  padding: 8px 12px;
  font-weight: 700;
}

.primary-button {
  background: var(--blue);
  color: #ffffff;
}

.secondary-button {
  background: #ffffff;
  color: var(--ink);
  border-color: var(--line);
}

.danger-button {
  background: #fff5f4;
  color: var(--red);
  border-color: #f0c9c6;
}

.icon-button {
  width: 40px;
  padding: 0;
  background: #ffffff;
  color: var(--ink);
  border-color: var(--line);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.view-help {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-bottom: 16px;
  padding: 10px 12px;
  border: 1px solid #cfe0f6;
  border-radius: 8px;
  background: #f8fbff;
}

.demo-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  margin-bottom: 12px;
  padding: 10px 12px;
  border: 1px solid #d7e3dc;
  border-radius: 8px;
  background: #f4fbf7;
}

.demo-banner strong {
  color: var(--green);
  flex: 0 0 auto;
}

.demo-banner span {
  color: #486253;
}

.view-help strong {
  flex: 0 0 auto;
  color: var(--blue);
}

.screen-guide {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  margin-bottom: 14px;
  padding: 14px 16px;
  border: 1px solid #cfe0f6;
  border-radius: 8px;
  background: #fbfdff;
  box-shadow: var(--shadow);
}

.screen-guide h2 {
  margin-top: 3px;
  margin-bottom: 4px;
}

.guide-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: #eaf2ff;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.screen-guide-actions {
  display: grid;
  gap: 7px;
  min-width: 220px;
}

.screen-guide-actions span {
  display: block;
  padding: 7px 9px;
  border-radius: 6px;
  background: #eef5fd;
  color: #30465f;
  font-weight: 700;
  font-size: 12px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.start-guide {
  margin-bottom: 16px;
  border-color: #bad7ff;
  background: #fbfdff;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.guide-step {
  display: grid;
  gap: 8px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #ffffff;
}

.guide-step span {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: #102033;
  color: #ffffff;
  font-weight: 800;
}

.guide-step p {
  color: var(--muted);
}

.metric,
.panel,
.playbook-step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.metric {
  padding: 16px;
  display: grid;
  gap: 6px;
}

.metric strong {
  font-size: 28px;
  line-height: 1.1;
}

.two-column,
.writer-layout,
.reply-layout,
.import-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  gap: 16px;
  margin-bottom: 16px;
}

.panel {
  padding: 16px;
}

.panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.panel-head.slim {
  margin-bottom: 10px;
}

.action-list,
.lead-list,
.offer-list,
.checklist,
.activity-log {
  display: grid;
  gap: 10px;
}

.action-item,
.lead-card,
.offer-item,
.pipeline-column,
.analysis-box {
  border: 1px solid var(--line);
  background: #ffffff;
  border-radius: 8px;
}

.action-item {
  display: grid;
  gap: 8px;
  padding: 12px;
}

.action-top,
.lead-top,
.offer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: #34455b;
  font-size: 12px;
  font-weight: 700;
}

.badge.hot {
  background: #e8f7ef;
  color: var(--green);
}

.badge.warn {
  background: #fff4df;
  color: var(--amber);
}

.badge.red {
  background: #fff0ef;
  color: var(--red);
}

.badge.blue {
  background: #eaf2ff;
  color: var(--blue);
}

.pipeline-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.pipeline-column {
  min-height: 138px;
  padding: 10px;
}

.pipeline-column h3 {
  margin-bottom: 8px;
}

.pipeline-mini {
  display: grid;
  gap: 6px;
}

.pipeline-mini span {
  display: block;
  padding: 7px 8px;
  border-radius: 6px;
  background: var(--surface-2);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.playbook-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.playbook-step {
  box-shadow: none;
  padding: 14px;
  display: grid;
  gap: 8px;
}

.toolbar {
  margin-bottom: 14px;
}

.toolbar input,
.toolbar select,
label input,
label select,
label textarea,
.stacked-label textarea,
.message-output {
  width: 100%;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--ink);
  border-radius: 8px;
  padding: 9px 10px;
  outline: none;
}

.toolbar input {
  flex: 1 1 320px;
}

.toolbar select {
  flex: 0 0 170px;
}

.lead-layout {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  gap: 16px;
}

.lead-list-panel {
  max-height: calc(100vh - 148px);
  overflow: auto;
}

.lead-card {
  padding: 12px;
  display: grid;
  gap: 8px;
  text-align: left;
}

.lead-card.active {
  border-color: var(--blue);
  box-shadow: 0 0 0 2px rgba(31, 111, 235, 0.14);
}

.lead-card button {
  all: unset;
  cursor: pointer;
}

.score-pill {
  min-width: 46px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #102033;
  color: #ffffff;
  font-weight: 800;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.form-grid.compact {
  margin-bottom: 12px;
}

label,
.stacked-label {
  display: grid;
  gap: 6px;
  color: #34455b;
  font-weight: 700;
}

textarea {
  resize: vertical;
}

.wide {
  grid-column: 1 / -1;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check-row input {
  width: auto;
}

.detail-panel {
  min-width: 0;
}

.message-output {
  margin-top: 12px;
  min-height: 220px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  line-height: 1.55;
}

.message-meta {
  margin-top: 8px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 12px;
}

.offer-item {
  padding: 12px;
  display: grid;
  gap: 8px;
}

.offer-item p {
  color: var(--muted);
}

.checklist label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.analysis-box {
  min-height: 92px;
  margin-top: 12px;
  padding: 12px;
  white-space: pre-wrap;
}

.panel-section {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.activity-item {
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  background: #ffffff;
}

.activity-item small {
  color: var(--muted);
}

.compact-output {
  min-height: 140px;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  min-width: 220px;
  max-width: min(420px, calc(100vw - 36px));
  background: #102033;
  color: #ffffff;
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 12px 14px;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .side-panel {
    margin-top: 0;
  }

  .metric-grid,
  .guide-grid,
  .playbook-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column,
  .writer-layout,
  .reply-layout,
  .import-layout,
  .lead-layout,
  .screen-guide {
    grid-template-columns: 1fr;
  }

  .screen-guide-actions {
    min-width: 0;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .lead-list-panel {
    max-height: none;
  }
}

@media (max-width: 680px) {
  .sidebar {
    gap: 14px;
    padding: 14px;
  }

  .side-panel {
    display: none;
  }

  .main {
    padding: 14px;
  }

  .topbar,
  .panel-head {
    align-items: stretch;
    flex-direction: column;
  }

  .view-help {
    align-items: flex-start;
    flex-direction: column;
  }

  .demo-banner {
    align-items: flex-start;
    flex-direction: column;
  }

  .metric-grid,
  .guide-grid,
  .playbook-grid,
  .pipeline-board,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .nav-item {
    grid-template-columns: 28px minmax(0, 1fr);
    gap: 8px;
    padding: 9px;
  }

  .nav-number {
    width: 26px;
    height: 26px;
  }

  .nav-desc {
    font-size: 11px;
  }

  .screen-guide-actions {
    grid-template-columns: 1fr;
  }

  .top-actions,
  .writer-actions,
  .form-actions,
  .toolbar,
  .stage-buttons {
    align-items: stretch;
  }

  .top-actions > *,
  .writer-actions > *,
  .form-actions > *,
  .toolbar > *,
  .stage-buttons > * {
    flex: 1 1 auto;
  }
}