:root {
  --ink: #1d1d1b;
  --lavender: #b2b7dd;
  --soft: #e8eaf3;
  --cream: #fafafa;
  --white: #ffffff;
  --border: #e5e5e2;
  --green: #16a34a;
  --mint: #78b58b;
  --amber: #f59e0b;
  --red: #dc2626;
  --shadow: 0 18px 45px rgba(29, 29, 27, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--cream);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 284px;
  background: var(--ink);
  color: var(--white);
  display: flex;
  flex-direction: column;
  padding: 24px;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--lavender);
  color: var(--ink);
  font-size: 30px;
  font-weight: 900;
}

.brand-title {
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.08em;
}

.brand-subtitle {
  margin-top: 5px;
  color: var(--lavender);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.nav {
  display: grid;
  gap: 6px;
  margin-top: 28px;
}

.nav-item {
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: rgba(255, 255, 255, 0.72);
  padding: 13px 14px;
  text-align: left;
  border-radius: 0 8px 8px 0;
  transition: 0.18s ease;
}

.nav-item:hover,
.nav-item.active {
  color: var(--lavender);
  background: rgba(178, 183, 221, 0.12);
  border-left-color: var(--lavender);
}

.plan-card {
  margin-top: auto;
  border: 1px solid rgba(178, 183, 221, 0.4);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.04);
}

.plan-card span {
  display: block;
  color: var(--lavender);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.16em;
}

.plan-card strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
}

.plan-card p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  line-height: 1.5;
}

.app {
  margin-left: 284px;
  min-height: 100vh;
}

body.public-mode .sidebar {
  width: 100%;
  height: auto;
  inset: 0 0 auto 0;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
}

body.public-mode .brand {
  border-bottom: 0;
  padding-bottom: 0;
}

body.public-mode .nav,
body.public-mode .plan-card {
  display: none;
}

body.public-mode .app {
  margin-left: 0;
  padding-top: 88px;
}

body.public-mode .topbar {
  display: none;
}

body.public-mode .screen {
  padding: 42px 32px;
}

body.public-mode #accueil {
  max-width: 1180px;
  margin: 0 auto;
}

body.public-mode .app-only {
  display: none;
}

body.app-mode .public-nav {
  display: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 32px;
  background: rgba(250, 250, 250, 0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--lavender);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 34px;
  line-height: 1;
}

h2 {
  margin-bottom: 0;
  font-size: 20px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.auth-status {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border-radius: 999px;
  padding: 0 12px;
  background: var(--soft);
  color: var(--ink);
  font-size: 12px;
  font-weight: 900;
}

.auth-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  align-items: center;
  gap: 18px;
  margin-top: 0;
}

.auth-panel p:last-child {
  margin-bottom: 0;
  color: rgba(29, 29, 27, 0.64);
}

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

.hidden {
  display: none !important;
}

.button {
  border: 0;
  border-radius: 8px;
  padding: 12px 16px;
  font-weight: 800;
  transition: 0.18s ease;
}

.button.primary {
  background: var(--ink);
  color: var(--lavender);
}

.button.secondary {
  background: var(--soft);
  color: var(--ink);
}

.button.small {
  padding: 9px 12px;
  background: var(--ink);
  color: var(--lavender);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.screen {
  display: none;
  padding: 32px;
}

.screen.active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  gap: 22px;
  align-items: stretch;
  padding: 34px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--white);
  box-shadow: var(--shadow);
}

.hero h2 {
  max-width: 720px;
  margin: 8px 0 16px;
  font-size: 54px;
  line-height: 0.95;
}

.hero p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 17px;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.hero .button.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.hero-card {
  display: flex;
  min-height: 260px;
  flex-direction: column;
  justify-content: flex-end;
  border: 1px solid rgba(178, 183, 221, 0.45);
  border-radius: 8px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.06);
}

.hero-card span,
.feature-grid span {
  color: var(--lavender);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-card strong {
  display: block;
  margin-top: 12px;
  font-size: 28px;
  line-height: 1.1;
}

.hero-card p {
  margin: 14px 0 0;
  font-size: 14px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.feature-grid article {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 22px;
  background: var(--white);
  box-shadow: var(--shadow);
}

body.public-mode .auth-panel {
  margin-top: 16px;
}

.feature-grid strong {
  display: block;
  margin-top: 12px;
  font-size: 24px;
}

.feature-grid p {
  margin: 10px 0 0;
  color: rgba(29, 29, 27, 0.64);
  line-height: 1.5;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.kpi,
.panel {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.kpi {
  min-height: 150px;
  padding: 22px;
}

.kpi.dark {
  background: var(--ink);
  color: var(--white);
}

.kpi span,
.panel-header span,
.result-panel span,
.mini-results span {
  color: var(--lavender);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.kpi strong {
  display: block;
  margin-top: 16px;
  font-size: 36px;
  line-height: 1;
}

.kpi p {
  margin-top: 12px;
  margin-bottom: 0;
  color: rgba(29, 29, 27, 0.6);
  font-size: 13px;
}

.kpi.dark p {
  color: rgba(255, 255, 255, 0.68);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 16px;
  margin-top: 16px;
}

.panel {
  margin-top: 16px;
  padding: 22px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.list {
  display: grid;
  gap: 10px;
}

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--cream);
}

.list-row strong {
  display: block;
}

.list-row span {
  color: rgba(29, 29, 27, 0.62);
  font-size: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 96px;
  padding: 7px 10px;
  border-radius: 999px;
  color: white;
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.badge.great,
.badge.good {
  background: var(--green);
}

.badge.limit {
  background: var(--amber);
}

.badge.loss {
  background: var(--red);
}

.status-bars {
  display: grid;
  gap: 14px;
}

.goal-line {
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: center;
  gap: 18px;
}

.goal-line strong {
  display: block;
  font-size: 38px;
  line-height: 1;
}

.goal-line span {
  display: block;
  margin-top: 8px;
  color: rgba(29, 29, 27, 0.62);
}

.goal-track {
  height: 22px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft);
}

#goal-fill {
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--ink);
  transition: width 0.3s ease;
}

.status-bars > div {
  display: grid;
  grid-template-columns: 150px 1fr;
  align-items: center;
  gap: 14px;
}

.status-bars span {
  font-weight: 800;
}

.bar-track {
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft);
}

.bar {
  height: 100%;
  width: 0;
  min-width: 0;
  transition: width 0.3s ease;
}

.bar.green {
  background: var(--green);
}

.bar.mint {
  background: var(--mint);
}

.bar.amber {
  background: var(--amber);
}

.bar.red {
  background: var(--red);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

input,
select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  background: var(--cream);
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 2px solid var(--lavender);
  border-color: var(--ink);
}

.result-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  align-items: center;
  background: var(--ink);
  color: var(--white);
}

.result-panel h2 {
  margin-top: 8px;
  font-size: 54px;
}

.result-panel p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
}

.mini-results {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.journal-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.journal-summary div {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  background: var(--cream);
}

.journal-summary span {
  color: var(--lavender);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.journal-summary strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.mini-results div {
  border: 1px solid rgba(178, 183, 221, 0.35);
  border-radius: 8px;
  padding: 14px;
}

.mini-results strong {
  display: block;
  margin-top: 8px;
  font-size: 22px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
}

th {
  background: var(--ink);
  color: var(--white);
  padding: 12px;
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

td {
  border-bottom: 1px solid var(--border);
  padding: 10px;
  vertical-align: middle;
}

td input,
td select {
  min-width: 90px;
  padding: 9px;
}

td .delete-row {
  border: 0;
  border-radius: 7px;
  padding: 8px 10px;
  background: #f5dddd;
  color: #8a1212;
  font-weight: 900;
}

.simulation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.simulation-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px;
  background: var(--cream);
}

.simulation-card.featured {
  background: var(--ink);
  color: var(--white);
}

.simulation-card span {
  color: var(--lavender);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.simulation-card strong {
  display: block;
  margin-top: 12px;
  font-size: 32px;
}

.simulation-card p {
  margin: 10px 0 0;
  color: rgba(29, 29, 27, 0.64);
}

.simulation-card.featured p {
  color: rgba(255, 255, 255, 0.72);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  background: var(--ink);
  color: var(--white);
  padding: 13px 16px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transition: 0.2s ease;
  z-index: 20;
}

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

@media (max-width: 1100px) {
  .sidebar {
    position: static;
    width: auto;
  }

  .app {
    margin-left: 0;
  }

  .nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .plan-card {
    display: none;
  }

  .kpi-grid,
  .dashboard-grid,
  .simulation-grid,
  .journal-summary,
  .result-panel {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .topbar,
  .panel-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .topbar-actions {
    width: 100%;
    flex-wrap: wrap;
  }

  .button {
    width: 100%;
  }

  .screen {
    padding: 18px;
  }

  .nav,
  .kpi-grid,
  .dashboard-grid,
  .simulation-grid,
  .form-grid,
  .hero,
  .feature-grid,
  .auth-panel,
  .auth-form,
  .result-panel,
  .mini-results,
  .journal-summary,
  .goal-line {
    grid-template-columns: 1fr;
  }

  .status-bars > div {
    grid-template-columns: 1fr;
  }
}