/* ════════════════════════════════════════════════════
   PIACALC — Design System · Mobile First
   ════════════════════════════════════════════════════ */

/* ── Variables ── */
:root {
  --color-bg:           #f0f4f8;
  --color-bg-subtle:    #f9fafb;
  --color-bg-card:      #ffffff;
  --color-border:       #e5e7eb;
  --color-text-primary: #111827;
  --color-text-secondary: #6b7280;
  --color-text-muted:   #9ca3af;
  --color-accent:       #7c3aed;
  --color-accent-light: #ede9fe;
  --color-accent-2:     #a855f7;
  --color-success:      #10b981;
  --color-warning:      #f59e0b;
  --color-danger:       #ef4444;
  --color-info:         #0ea5e9;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);
  --shadow-md: 0 4px 16px rgba(0,0,0,.10);
  --shadow-lg: 0 10px 40px rgba(0,0,0,.14);

  --nav-height: 68px;
  --header-height: 56px;
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100dvh;
  padding-top: var(--header-height);
  padding-bottom: calc(var(--nav-height) + var(--safe-bottom) + 8px);
  overscroll-behavior: none;
}

/* ════════════════════════════ HEADER ════════════════════════════ */
.app-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 16px;
  max-width: 520px;
  margin: 0 auto;
}

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

.logo-icon {
  font-size: 22px;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-text {
  font-size: 18px;
  font-weight: 400;
  color: var(--color-text-primary);
  letter-spacing: -0.3px;
}

.logo-text strong {
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-info-btn {
  width: 36px; height: 36px;
  border: none;
  background: var(--color-bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: background .2s, color .2s;
}
.header-info-btn:hover { background: var(--color-accent-light); color: var(--color-accent); }

/* ════════════════════════════ HERO / HOME ════════════════════════════ */
.hero {
  padding: 28px 16px 16px;
  max-width: 520px;
  margin: 0 auto;
}

.hero-content { margin-bottom: 28px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 14px;
}

.hero-title {
  font-size: clamp(28px, 7vw, 38px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.hero-title .accent {
  background: linear-gradient(135deg, var(--color-accent), #06b6d4);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 320px;
}

/* ── Tools Grid ── */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tool-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 18px 14px;
  cursor: pointer;
  border: 1.5px solid transparent;
  box-shadow: var(--shadow-sm);
  transition: transform .18s cubic-bezier(.34,1.56,.64,1),
              box-shadow .18s ease,
              border-color .18s ease;
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-gradient, linear-gradient(90deg, #7c3aed, #a855f7));
  opacity: 0;
  transition: opacity .2s;
}

.tool-card:hover, .tool-card:active {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--shadow-md);
  border-color: rgba(124,58,237,.15);
}

.tool-card:hover::before { opacity: 1; }

.tool-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  color: #fff;
  flex-shrink: 0;
}

.tool-card-content {}

.tool-card-name {
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text-primary);
}

.tool-card-desc {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 2px;
  line-height: 1.4;
}

/* ════════════════════════════ SIMULATEUR CONTAINER ════════════════════════════ */
.sim-container {
  max-width: 520px;
  margin: 0 auto;
  padding: 0 16px 24px;
  animation: fadeUp .3s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.sim-screen {
  display: none;
}
.sim-screen.active {
  display: block;
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0 18px;
}

.back-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background .15s;
}
.back-btn:hover { background: var(--color-accent-light); }

.breadcrumb-title {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* ── Sim Header ── */
.sim-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.sim-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0,0,0,.15);
}

.sim-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
}

.sim-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* ── Card Form ── */
.card-form {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 20px 18px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  margin-bottom: 20px;
}

.form-row {
  margin-bottom: 20px;
}

.form-row:last-child { margin-bottom: 0; }

.form-row > label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

.input-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.input-display {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-accent);
  text-align: right;
}

/* ── Range Slider ── */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  position: relative;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 2px 8px rgba(124,58,237,.4);
  cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}

input[type="range"]::-webkit-slider-thumb:hover,
input[type="range"]:active::-webkit-slider-thumb {
  transform: scale(1.2);
  box-shadow: 0 2px 16px rgba(124,58,237,.55);
}

input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  box-shadow: 0 2px 8px rgba(124,58,237,.4);
  cursor: pointer;
}

/* Style de la partie remplie du slider */
input[type="range"].styled {
  background: linear-gradient(to right, var(--color-accent) var(--pct, 50%), var(--color-border) var(--pct, 50%));
}

/* ── Btn Group (choix) ── */
.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-choice {
  flex: 1;
  min-width: 60px;
  padding: 9px 6px;
  font-size: 13px;
  font-weight: 600;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-subtle);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all .2s ease;
  text-align: center;
}

.btn-choice.active,
.btn-choice:hover {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn-choice.active {
  font-weight: 700;
}

/* ════════════════════════════ RESULTS GRID ════════════════════════════ */
.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.result-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: transform .2s;
}

.result-card:hover { transform: translateY(-2px); }

.result-card.accent {
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  border-color: transparent;
  color: #fff;
}

.result-card.accent .result-label { color: rgba(255,255,255,.8); }
.result-card.accent .result-val { color: #fff; }

.result-card.highlight {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.result-card.highlight .result-val { color: var(--color-accent); }

.result-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
  line-height: 1.3;
}

.result-val {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
}

/* ════════════════════════════ CHART ════════════════════════════ */
.chart-wrap {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: 18px 14px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  height: 240px;
  position: relative;
}

.chart-wrap canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ════════════════════════════ AMORTISSEMENT ════════════════════════════ */
.amort-section {
  margin-bottom: 20px;
}

.section-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 10px;
}

.amort-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.amort-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  background: var(--color-bg-card);
}

.amort-table th {
  background: var(--color-bg-subtle);
  color: var(--color-text-secondary);
  font-weight: 600;
  padding: 10px 12px;
  text-align: right;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .3px;
  border-bottom: 1px solid var(--color-border);
}

.amort-table th:first-child { text-align: left; }

.amort-table td {
  padding: 10px 12px;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-primary);
  font-weight: 500;
}

.amort-table td:first-child { text-align: left; font-weight: 700; }

.amort-table tr:last-child td { border-bottom: none; }
.amort-table tr:nth-child(odd) td { background: var(--color-bg-subtle); }

/* ════════════════════════════ GAUGE / INDICATEURS ════════════════════════════ */
.gauge-section {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
  margin-bottom: 20px;
}

.gauge-item {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  text-align: center;
  border: 1.5px solid var(--color-border);
}

.gauge-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  margin-bottom: 4px;
}
.gauge-dot.green { background: var(--color-success); }
.gauge-dot.yellow { background: var(--color-warning); }
.gauge-dot.red { background: var(--color-danger); }

.gauge-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .3px;
  display: block;
  margin-bottom: 4px;
}

.gauge-val {
  font-size: 16px;
  font-weight: 800;
  color: var(--color-text-primary);
}

/* ════════════════════════════ INSIGHT BOX ════════════════════════════ */
.insight-box {
  background: linear-gradient(135deg, #fefce8, #fef3c7);
  border: 1.5px solid #fbbf24;
  border-radius: var(--radius-md);
  padding: 14px 16px;
  font-size: 13px;
  color: #92400e;
  line-height: 1.6;
  margin-bottom: 8px;
  display: none;
}

.insight-box.visible { display: block; }

.insight-box strong { font-weight: 700; }

/* ════════════════════════════ BOTTOM NAV ════════════════════════════ */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: calc(var(--nav-height) + var(--safe-bottom));
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: flex-start;
  padding-top: 8px;
  padding-bottom: var(--safe-bottom);
  z-index: 100;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  justify-content: flex-start;
  padding-left: 4px;
  padding-right: 4px;
  gap: 0;
}

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

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 4px 10px;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all .2s ease;
  min-width: 54px;
  flex-shrink: 0;
}

.nav-btn i {
  font-size: 19px;
  color: var(--color-text-muted);
  transition: color .2s, transform .2s;
}

.nav-btn span {
  font-size: 9px;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color .2s;
  white-space: nowrap;
}

.nav-btn.active i {
  color: var(--color-accent);
  transform: translateY(-1px);
}

.nav-btn.active span { color: var(--color-accent); }

.nav-btn:hover i { color: var(--color-accent); }

/* ════════════════════════════ MODAL ════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 28px 24px calc(28px + var(--safe-bottom));
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
  transform: translateY(100%);
  transition: transform .3s cubic-bezier(.34,1.1,.64,1);
  position: relative;
}

.modal-overlay.open .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  width: 34px; height: 34px;
  border-radius: 50%;
  border: none;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
}

.modal-logo {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.modal-card h2 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
}

.modal-card > p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 18px;
}

.modal-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-bottom: 20px;
}

.modal-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
}

.modal-features li i {
  color: var(--color-success);
  font-size: 15px;
}

.modal-note {
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

/* ════════════════════════════ CASHFLOW COLORS ════════════════════════════ */
.positive { color: var(--color-success) !important; }
.negative { color: var(--color-danger) !important; }
.neutral  { color: var(--color-warning) !important; }

/* ════════════════════════════ UTILS ════════════════════════════ */
.hidden { display: none !important; }

/* ════════════════════════════ DESKTOP ════════════════════════════ */
@media (min-width: 600px) {
  .hero { padding: 36px 24px 20px; }
  .sim-container { padding: 0 24px 32px; }
  .results-grid { grid-template-columns: 1fr 1fr 1fr 1fr; }
  .chart-wrap { height: 280px; }
  .tools-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 600px) {
  .bottom-nav {
    justify-content: center;
  }
  .nav-btn { min-width: 60px; }
}

@media (min-width: 900px) {
  body { max-width: 900px; margin: 0 auto; }
  .app-header, .bottom-nav { max-width: 100%; }
  .bottom-nav { 
    top: 0; bottom: auto; 
    height: var(--header-height);
    border-top: none;
    border-bottom: 1px solid var(--color-border);
    padding-top: 0;
    padding-bottom: 0;
    align-items: center;
    justify-content: center;
    gap: 4px;
  }
  body { padding-top: calc(var(--header-height) * 2); padding-bottom: 32px; }
}

/* ── Touch feedback ── */
.tool-card:active {
  transform: scale(0.97);
  transition: transform .1s;
}

.nav-btn:active {
  transform: scale(0.9);
}

.btn-choice:active {
  transform: scale(0.95);
}

/* ── Progress bar animation ── */
@keyframes progressPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .7; }
}

/* ── Loading skeleton ── */
.skeleton {
  background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.4s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ════════════════════════════ CALCULATRICE ════════════════════════════ */

.calc-screen-wrap {
  background: #1e1b4b;
  border-radius: var(--radius-lg);
  padding: 22px 22px 18px;
  margin-bottom: 12px;
  min-height: 110px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-end;
  box-shadow: 0 4px 24px rgba(99,102,241,.25);
}

.calc-expression {
  font-size: 0.88rem;
  color: rgba(255,255,255,.4);
  min-height: 22px;
  text-align: right;
  word-break: break-all;
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.calc-display {
  font-size: 3rem;
  font-weight: 300;
  color: #fff;
  letter-spacing: -0.04em;
  text-align: right;
  word-break: break-all;
  line-height: 1.1;
  transition: font-size .1s, color .2s;
  font-variant-numeric: tabular-nums;
}

/* Ruban / Historique */
.calc-tape-wrap {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  max-height: 130px;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.calc-tape-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-bg-subtle);
  z-index: 1;
}

.calc-tape-clear {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: background .15s;
}
.calc-tape-clear:hover { background: var(--color-accent-light); }

.calc-tape {
  padding: 6px 14px 8px;
}

.tape-empty {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: center;
  padding: 8px 0;
  font-style: italic;
}

.tape-entry {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  padding: 3px 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}

.tape-result {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 6px;
  margin-bottom: 4px;
}

/* Clavier */
.calc-keyboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.calc-key {
  border: none;
  border-radius: var(--radius-md);
  font-size: 1.3rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: filter .08s, transform .08s, box-shadow .08s;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
  user-select: none;
  letter-spacing: -0.02em;
}

.calc-key:active {
  filter: brightness(.82);
  transform: scale(.93);
}

.calc-key.num  {
  background: #fff;
  color: #111827;
  box-shadow: 0 2px 6px rgba(0,0,0,.08);
  font-weight: 400;
}
.calc-key.func {
  background: #ede9fe;
  color: #5b21b6;
  font-weight: 600;
}
.calc-key.op   {
  background: #7c3aed;
  color: #fff;
  box-shadow: 0 2px 8px rgba(124,58,237,.3);
  font-weight: 600;
}
.calc-key.eq   {
  background: linear-gradient(135deg, #5b21b6, #7c3aed);
  color: #fff;
  box-shadow: 0 4px 14px rgba(91,33,182,.45);
  font-size: 1.5rem;
  font-weight: 700;
}
.calc-key.wide {
  grid-column: span 2;
  justify-content: flex-start;
  padding-left: 32px;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

/* ════════════════════════════ TEMPS DE TRAVAIL ════════════════════════════ */

.temps-controls {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.temps-country-toggle {
  display: flex;
  gap: 8px;
}

.country-btn {
  flex: 1;
  padding: 10px 8px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  font-size: 0.8rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  color: var(--color-text-secondary);
  text-align: center;
}

.country-btn.active {
  border-color: var(--color-accent);
  background: var(--color-accent-light);
  color: var(--color-accent);
}

.temps-week-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: var(--shadow-sm);
}

.week-nav-btn {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  padding: 4px 8px;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: background .15s;
  min-width: 32px; min-height: 32px;
  display: flex; align-items: center; justify-content: center;
}
.week-nav-btn:hover { background: var(--color-accent-light); }

.week-label {
  flex: 1;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-primary);
}

/* Grille jours */
.temps-days-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 16px;
}

/* Sur mobile <500px : 2 colonnes, vendredi prend toute la largeur */
@media (max-width: 499px) {
  .temps-days-grid {
    grid-template-columns: 1fr 1fr;
  }
  .temps-days-grid .temps-day-card:last-child {
    grid-column: span 2;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
  .temps-days-grid .temps-day-card:last-child .temps-day-body {
    display: flex;
    flex-direction: row;
    gap: 10px;
    flex: 1;
    align-items: flex-end;
  }
  .temps-days-grid .temps-day-card:last-child .temps-time-row {
    flex: 1;
  }
}

.temps-day-card {
  background: var(--color-bg-card);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 9px 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color .15s;
}

.temps-day-card.absent {
  opacity: .5;
  background: var(--color-bg-subtle);
}

.temps-day-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.temps-day-name {
  font-weight: 800;
  font-size: 0.85rem;
  color: var(--color-accent);
}

.temps-absent-toggle {
  display: flex;
  align-items: center;
  gap: 3px;
  cursor: pointer;
  font-size: 0.65rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.temps-absent-toggle input { accent-color: var(--color-danger); }

.temps-day-body.disabled { pointer-events: none; }

.temps-time-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.temps-time-row > label {
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
}

.temps-time-input {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 5px 4px;
  font-size: 0.82rem;
  font-family: inherit;
  color: var(--color-text-primary);
  background: var(--color-bg);
  text-align: center;
  font-variant-numeric: tabular-nums;
}
.temps-time-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px var(--color-accent-light);
}
.temps-time-input:disabled { opacity: .4; cursor: not-allowed; }

.temps-day-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 6px;
  border-top: 1px solid var(--color-border);
  margin-top: 2px;
}

.temps-day-total {
  font-size: 0.85rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--color-text-primary);
  transition: color .2s;
}

.temps-tt-label {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-text-secondary);
  cursor: pointer;
}
.temps-tt-label input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 14px; height: 14px;
}

/* Pause row */
.temps-pause-row {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
}
.temps-pause-row > label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: 10px;
}

/* Compteur TT frontalier */
.tt-counter-card {
  background: #f0f9ff;
  border: 1.5px solid #bae6fd;
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 14px;
}

.tt-counter-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.88rem;
  color: #0369a1;
  margin-bottom: 14px;
}

.tt-counter-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 12px;
}

.tt-rule {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
}

.tt-rule-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--color-text-secondary);
}

.tt-progress-wrap {
  width: 90px;
  height: 8px;
  background: #e0f2fe;
  border-radius: 999px;
  overflow: hidden;
}

.tt-progress-bar {
  height: 100%;
  border-radius: 999px;
  background: var(--color-accent);
  transition: width .4s ease, background .3s;
  width: 0%;
}

.tt-rule-count {
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--color-text-primary);
  white-space: nowrap;
  min-width: 56px;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.tt-note {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  border-top: 1px solid #bae6fd;
  padding-top: 10px;
}

/* Bouton reset */
.btn-reset-week {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 4px auto 0;
  background: none;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 22px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: all .15s;
}
.btn-reset-week:hover { border-color: var(--color-danger); color: var(--color-danger); }

/* ════════════════════════════ IMPÔT SUR LE REVENU ════════════════════════════ */

.ir-bareme-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 20px;
  overflow: hidden;
}

.ir-bareme-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.ir-tranche-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 3px;
  font-size: 12px;
  transition: background .15s;
}

.ir-tranche-row.actif {
  background: linear-gradient(90deg, #fef2f2, #fff7f7);
  border-left: 3px solid #dc2626;
  padding-left: 8px;
}

.ir-tranche-range { color: var(--color-text-secondary); }

.ir-tranche-taux {
  font-weight: 700;
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
  min-width: 36px;
  text-align: right;
}

.ir-tranche-tag {
  font-size: 10px;
  font-weight: 700;
  background: #dc2626;
  color: #fff;
  padding: 2px 6px;
  border-radius: 20px;
  letter-spacing: .3px;
}

.ir-bareme-note {
  font-size: 11px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 8px;
  margin-top: 8px;
}

/* ════════════════════════════ FRAIS DE NOTAIRE ════════════════════════════ */

.notaire-detail-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 20px;
}

.notaire-detail-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.notaire-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
  gap: 10px;
}

.notaire-detail-row:last-of-type { border-bottom: none; }

.notaire-detail-row strong {
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.notaire-detail-row.total {
  font-weight: 700;
  color: var(--color-text-primary);
  font-size: 14px;
  padding-top: 10px;
  border-top: 2px solid var(--color-border);
  border-bottom: none;
  margin-top: 4px;
}

.notaire-detail-row.total strong {
  color: #0891b2;
  font-size: 16px;
}

.notaire-detail-note {
  font-size: 11px;
  color: var(--color-text-muted);
  margin-top: 8px;
  background: var(--color-bg-subtle);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
}

/* ════════════════════════════ PLUS-VALUE IMMOBILIÈRE ════════════════════════════ */

.pv-abattements-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  margin-bottom: 20px;
}

.pv-detail-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.pv-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 7px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-secondary);
  gap: 10px;
}

.pv-detail-row:last-of-type { border-bottom: none; }

.pv-detail-row.highlight {
  background: #f0fdf4;
  padding: 7px 8px;
  border-radius: var(--radius-sm);
  margin: 3px -8px;
  color: #16a34a;
  font-weight: 600;
}

.pv-detail-row.total {
  font-weight: 700;
  font-size: 14px;
  padding-top: 10px;
  border-top: 2px solid var(--color-border);
  border-bottom: none;
  margin-top: 4px;
}

.pv-detail-row strong {
  color: var(--color-text-primary);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.pv-exonere {
  text-align: center;
  padding: 16px;
  font-weight: 700;
  color: #16a34a;
  font-size: 14px;
}

/* ════════════════════════════ RÉVISION IRL ════════════════════════════ */

.irl-reference-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  margin-bottom: 20px;
}

.irl-ref-header {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.irl-ref-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.irl-ref-item {
  background: var(--color-bg-subtle);
  border-radius: var(--radius-sm);
  padding: 7px 8px;
  text-align: center;
  border: 1px solid var(--color-border);
}

.irl-ref-label {
  display: block;
  font-size: 9.5px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: .3px;
  margin-bottom: 3px;
}

.irl-ref-val {
  display: block;
  font-size: 13px;
  font-weight: 800;
  color: var(--color-accent);
  font-variant-numeric: tabular-nums;
}

/* ── Scrollbar styling ── */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-border); border-radius: 2px; }

/* ── Selection ── */
::selection { background: var(--color-accent-light); color: var(--color-accent); }