/* =========================================================
   Raltia · Simulateur de Rendement Locatif · style.css
   ========================================================= */

:root {
  --navy:        #0F2B4A;
  --navy-light:  #163860;
  --teal:        #1A8C6F;
  --teal-light:  #22b08c;
  --white:       #ffffff;
  --text-sub:    rgba(255,255,255,0.8);
  --text-ter:    rgba(255,255,255,0.4);
  --alert-red:   #E24B4A;
  --alert-yellow:#F5A623;
  --card-border: #1D9E75;
  --radius:      12px;
  --font-title:  Georgia, 'Times New Roman', serif;
  --font-body:   Arial, Helvetica, sans-serif;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ── Canvas background ── */
#bg-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

/* ── Layout wrapper ── */
.wrapper {
  position: relative;
  z-index: 1;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* ── Animations ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.6s ease both; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }
.delay-7 { animation-delay: 0.7s; }
.delay-8 { animation-delay: 0.8s; }

/* =========================================================
   HEADER
   ========================================================= */
header {
  padding: 36px 0 28px;
  border-bottom: 3px solid var(--teal);
  margin-bottom: 24px;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.logo {
  font-family: var(--font-title);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--white);
  text-decoration: none;
}
.logo span { color: var(--teal); }

.header-titles { text-align: right; }

.header-titles h1 {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.header-titles p {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal-light);
  margin-top: 4px;
}

/* =========================================================
   BANNER TAUX DE RÉFÉRENCE
   ========================================================= */
.banner-taux {
  background: var(--navy-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  align-items: center;
}

.banner-taux .badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal-light);
  background: rgba(26,140,111,0.15);
  border: 1px solid var(--teal);
  border-radius: 4px;
  padding: 3px 8px;
  white-space: nowrap;
}

.banner-taux .taux-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.banner-taux .taux-item .label {
  font-size: 0.67rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-ter);
}

.banner-taux .taux-item .value {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--white);
}

.banner-taux .taux-item .value.teal { color: var(--teal-light); }

.banner-taux .separator {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,0.15);
  align-self: center;
}

/* =========================================================
   GRID PRINCIPAL
   ========================================================= */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}

@media (max-width: 768px) {
  .main-grid { grid-template-columns: 1fr; }
  .header-titles { text-align: left; }
}

/* =========================================================
   CARDS INPUTS
   ========================================================= */
.card {
  background: var(--navy-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(29,158,117,0.3);
}

.card-number {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--teal);
  font-family: var(--font-body);
}

.card-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

/* ── Inputs ── */
.field {
  margin-bottom: 14px;
}

.field:last-child { margin-bottom: 0; }

.field label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-sub);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.field input[type="number"],
.field select {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 7px;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  padding: 9px 12px;
  outline: none;
  transition: border-color 0.2s;
  -webkit-appearance: none;
}

.field input[type="number"]:focus,
.field select:focus {
  border-color: var(--teal);
}

.field select option { background: var(--navy); color: var(--white); }

/* ── Sliders ── */
.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.slider-row input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: rgba(255,255,255,0.15);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
}

.slider-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal-light);
  border: 2px solid var(--navy);
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(34,176,140,0.3);
  transition: box-shadow 0.2s;
}

.slider-row input[type="range"]::-webkit-slider-thumb:hover {
  box-shadow: 0 0 0 5px rgba(34,176,140,0.25);
}

.slider-row input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--teal-light);
  border: 2px solid var(--navy);
  cursor: pointer;
}

.slider-val {
  min-width: 48px;
  text-align: right;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--teal-light);
  font-family: var(--font-title);
}

/* =========================================================
   SECCIÓN RESULTADOS
   ========================================================= */
.section-results {
  margin-bottom: 24px;
}

.section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 14px;
}

/* ── KPIs principales ── */
.kpis-main {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 16px;
}

@media (max-width: 640px) {
  .kpis-main { grid-template-columns: 1fr; }
}

.kpi-card {
  background: var(--navy-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--kpi-color, var(--teal));
  transition: background 0.4s ease;
}

.kpi-card .kpi-label {
  font-size: 0.68rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-ter);
  margin-bottom: 8px;
}

.kpi-card .kpi-value {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--kpi-color, var(--teal-light));
  transition: color 0.4s ease;
}

.kpi-card .kpi-unit {
  font-size: 0.8rem;
  color: var(--text-sub);
  margin-top: 4px;
}

/* ── KPIs secundarios ── */
.kpis-secondary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

@media (max-width: 640px) {
  .kpis-secondary { grid-template-columns: 1fr 1fr; }
}

.kpi-small {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  padding: 12px 14px;
}

.kpi-small .kpi-label {
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-ter);
  margin-bottom: 5px;
}

.kpi-small .kpi-value {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}

/* ── Tabla detalle ── */
.detail-card {
  background: var(--navy-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 16px;
}

.detail-table {
  width: 100%;
  border-collapse: collapse;
}

.detail-table tr td {
  padding: 7px 0;
  font-size: 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.detail-table tr:last-child td { border-bottom: none; }

.detail-table .row-group td {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--teal);
  padding-top: 14px;
}

.detail-table .row-total td {
  font-weight: 700;
  color: var(--teal-light);
  font-family: var(--font-title);
  font-size: 0.95rem;
  border-top: 1px solid rgba(29,158,117,0.4);
  padding-top: 10px;
}

.detail-table td:last-child {
  text-align: right;
  font-family: var(--font-title);
  color: var(--text-sub);
}

.detail-table .row-total td:last-child { color: var(--teal-light); }

.detail-table .neg td:last-child { color: var(--alert-red); }

/* ── Alerta droit de bail ── */
.alert-bail {
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: background 0.4s, border-color 0.4s;
}

.alert-bail.green {
  background: rgba(26,140,111,0.12);
  border: 1px solid var(--teal);
}

.alert-bail.yellow {
  background: rgba(245,166,35,0.1);
  border: 1px solid var(--alert-yellow);
}

.alert-bail.red {
  background: rgba(226,75,74,0.1);
  border: 1px solid var(--alert-red);
}

.alert-bail .bail-icon {
  font-size: 1.4rem;
  line-height: 1;
  flex-shrink: 0;
}

.alert-bail .bail-content {}

.alert-bail .bail-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.alert-bail.green  .bail-title { color: var(--teal-light); }
.alert-bail.yellow .bail-title { color: var(--alert-yellow); }
.alert-bail.red    .bail-title { color: var(--alert-red); }

.alert-bail .bail-text {
  font-size: 0.82rem;
  color: var(--text-sub);
  line-height: 1.5;
}

.alert-bail .bail-text strong { color: var(--white); }

/* ── Bloc fiscalité ── */
.fiscal-card {
  background: var(--navy-light);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 20px 22px;
}

.fiscal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 14px;
}

@media (max-width: 640px) {
  .fiscal-grid { grid-template-columns: 1fr 1fr; }
}

.fiscal-item .label {
  font-size: 0.65rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-ter);
  margin-bottom: 4px;
}

.fiscal-item .value {
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
}

/* =========================================================
   FOOTER
   ========================================================= */
footer {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: var(--text-ter);
  text-transform: uppercase;
}

footer a {
  color: var(--teal);
  text-decoration: none;
}

footer a:hover { color: var(--teal-light); }

/* ── Utility ── */
.mt-4 { margin-top: 4px; }
.grid-full { grid-column: 1 / -1; }

@media (max-width: 768px) {
  .grid-full { grid-column: auto; }
  .kpis-secondary { grid-template-columns: 1fr 1fr; }
  .fiscal-grid { grid-template-columns: 1fr 1fr; }
}