/* ==========================================================================
   LMC LAB — Bilan de puissance / Phase faisabilité
   Fichier : css/bilan-puissance-faisabilite.css
   ========================================================================== */

.bpf-body,
.bpf-body .bpf-main {
  --bpf-bg: #08111d;
  --bpf-bg-deep: #050b13;
  --bpf-panel: rgba(13, 24, 38, 0.82);
  --bpf-border: rgba(148, 163, 184, 0.14);
  --bpf-border-soft: rgba(148, 163, 184, 0.08);
  --bpf-border-strong: rgba(148, 163, 184, 0.26);
  --bpf-text: #f8fafc;
  --bpf-text-soft: #dbe6f3;
  --bpf-text-muted: #95a6bc;
  --bpf-text-dim: #64748b;
  --bpf-accent: #38bdf8;
  --bpf-accent-strong: #22d3ee;
  --bpf-accent-soft: rgba(56, 189, 248, 0.12);
  --bpf-success: #5eead4;
  --bpf-danger: #fb7185;
  --bpf-danger-soft: rgba(251, 113, 133, 0.12);
  --bpf-radius-sm: 7px;
  --bpf-radius-md: 12px;
  --bpf-radius-lg: 18px;
  --bpf-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --bpf-transition-fast: 140ms ease;
}

.bpf-body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--bpf-text);
  background:
    radial-gradient(circle at 85% 0%, rgba(56, 189, 248, 0.09), transparent 28rem),
    radial-gradient(circle at 10% 18%, rgba(34, 211, 238, 0.04), transparent 24rem),
    linear-gradient(180deg, var(--bpf-bg-deep) 0%, var(--bpf-bg) 38%, #09131f 100%);
}

.bpf-main {
  position: relative;
  z-index: 1;
  padding: clamp(32px, 4vw, 64px) 24px 96px;
}

.bpf-main::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(148, 163, 184, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148, 163, 184, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, black, transparent 86%);
}

.bpf-container {
  width: min(100%, 1600px);
  margin: 0 auto;
}

.bpf-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 28px;
  color: var(--bpf-text-dim);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.bpf-breadcrumb a {
  color: var(--bpf-text-muted);
  text-decoration: none;
}

.bpf-breadcrumb a:hover,
.bpf-breadcrumb span[aria-current="page"] {
  color: var(--bpf-accent);
}

.bpf-tool-header {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(290px, 0.65fr);
  gap: clamp(28px, 4vw, 64px);
  align-items: end;
  position: relative;
  overflow: hidden;
  margin-bottom: 34px;
  padding: clamp(28px, 4vw, 52px);
  border: 1px solid var(--bpf-border);
  border-radius: var(--bpf-radius-lg);
  background: linear-gradient(135deg, rgba(255,255,255,.035), rgba(255,255,255,.012)), rgba(7,15,25,.78);
  box-shadow: 0 26px 80px rgba(0,0,0,.34);
  backdrop-filter: blur(18px);
}

.bpf-tool-header::before {
  position: absolute;
  top: 0;
  left: clamp(28px, 4vw, 52px);
  width: 92px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--bpf-accent), transparent);
}

.bpf-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--bpf-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.bpf-eyebrow__index { color: var(--bpf-accent); }
.bpf-eyebrow__separator { color: var(--bpf-text-dim); }
.bpf-eyebrow__category { color: var(--bpf-text-muted); }

.bpf-title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 0;
}

.bpf-title__main {
  color: var(--bpf-text);
  font-size: clamp(2.15rem, 5vw, 5rem);
  font-weight: 650;
  line-height: .98;
  letter-spacing: -.052em;
}

.bpf-title__secondary {
  color: var(--bpf-text-muted);
  font-size: clamp(1rem, 1.8vw, 1.42rem);
  font-weight: 500;
}

.bpf-subtitle {
  max-width: 820px;
  margin: 24px 0 0;
  color: var(--bpf-text-muted);
  font-size: clamp(.96rem, 1.25vw, 1.08rem);
  line-height: 1.75;
}

.bpf-module-status {
  align-self: stretch;
  padding: 18px;
  border: 1px solid var(--bpf-border);
  border-radius: var(--bpf-radius-md);
  background: rgba(8,17,29,.72);
}

.bpf-module-status__head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--bpf-border-soft);
}

.bpf-module-status__label,
.bpf-module-status__state {
  font-family: var(--bpf-mono);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.bpf-module-status__label { color: var(--bpf-text-dim); }
.bpf-module-status__state { display: inline-flex; align-items: center; gap: 8px; color: var(--bpf-success); }
.bpf-module-status__dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; box-shadow: 0 0 0 5px rgba(94,234,212,.12); }

.bpf-module-status__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--bpf-border-soft);
  border-radius: var(--bpf-radius-sm);
  background: var(--bpf-border-soft);
}

.bpf-module-status__item { padding: 13px; background: rgba(8,17,29,.92); }
.bpf-module-status__item dt { margin: 0 0 5px; color: var(--bpf-text-dim); font-family: var(--bpf-mono); font-size: .62rem; text-transform: uppercase; }
.bpf-module-status__item dd { margin: 0; color: var(--bpf-text-soft); font-size: .78rem; font-weight: 600; }

.bpf-panel {
  margin-bottom: 24px;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--bpf-border);
  border-radius: var(--bpf-radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,.026), rgba(255,255,255,.012)), var(--bpf-panel);
  box-shadow: 0 12px 32px rgba(0,0,0,.18);
  backdrop-filter: blur(16px);
}

.bpf-panel--table { padding-inline: 0; }
.bpf-panel--table > .bpf-section-head,
.bpf-panel--table > .bpf-table-footer { padding-inline: clamp(22px, 3vw, 34px); }

.bpf-section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  margin-bottom: 28px;
}

.bpf-section-head--table { align-items: center; }
.bpf-section-heading { display: flex; align-items: flex-start; gap: 16px; }

.bpf-section-number {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--bpf-border-strong);
  border-radius: var(--bpf-radius-sm);
  color: var(--bpf-accent);
  background: var(--bpf-accent-soft);
  font-family: var(--bpf-mono);
  font-size: .78rem;
  font-weight: 700;
}

.bpf-section-kicker { margin: 0 0 5px; color: var(--bpf-text-dim); font-family: var(--bpf-mono); font-size: .64rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.bpf-section-title { margin: 0; color: var(--bpf-text); font-size: clamp(1.15rem, 2vw, 1.52rem); font-weight: 650; }
.bpf-section-description { max-width: 520px; margin: 0; color: var(--bpf-text-muted); font-size: .87rem; line-height: 1.65; }

.bpf-grid { display: grid; gap: 18px; }
.bpf-grid--info { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.bpf-field { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.bpf-field--wide { grid-column: span 2; }
.bpf-field label { color: var(--bpf-text-soft); font-size: .77rem; font-weight: 600; }

.bpf-input,
.bpf-textarea {
  width: 100%;
  box-sizing: border-box;
  border: 1px solid var(--bpf-border);
  border-radius: var(--bpf-radius-sm);
  outline: none;
  color: var(--bpf-text);
  background: rgba(5,12,21,.72);
  font: inherit;
}

.bpf-input { min-height: 46px; padding: 0 13px; }
.bpf-textarea { min-height: 108px; padding: 12px 13px; line-height: 1.55; resize: vertical; }
.bpf-input::placeholder,
.bpf-textarea::placeholder { color: #53657b; }
.bpf-input:focus,
.bpf-textarea:focus { border-color: var(--bpf-accent); background: rgba(7,16,27,.96); box-shadow: 0 0 0 3px var(--bpf-accent-soft); }
.bpf-input.bpf-invalid,
.bpf-textarea.bpf-invalid { border-color: var(--bpf-danger); box-shadow: 0 0 0 3px var(--bpf-danger-soft); }

.bpf-input-unit { position: relative; }
.bpf-input-unit .bpf-input { padding-right: 54px; }
.bpf-input-unit__suffix { position: absolute; top: 50%; right: 13px; color: var(--bpf-text-dim); font-family: var(--bpf-mono); font-size: .72rem; font-weight: 700; pointer-events: none; transform: translateY(-50%); }
.bpf-hint { color: var(--bpf-text-dim); font-size: .69rem; line-height: 1.45; }

.bpf-toolbar { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }

.bpf-btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 13px;
  border: 1px solid var(--bpf-border-strong);
  border-radius: var(--bpf-radius-sm);
  color: var(--bpf-text-soft);
  background: rgba(255,255,255,.025);
  font-family: inherit;
  font-size: .76rem;
  font-weight: 650;
  cursor: pointer;
}

.bpf-btn:hover { color: var(--bpf-text); border-color: rgba(56,189,248,.42); background: rgba(56,189,248,.08); }
.bpf-btn:focus-visible { outline: none; border-color: var(--bpf-accent); box-shadow: 0 0 0 3px var(--bpf-accent-soft); }
.bpf-btn--primary { color: #04131d; border-color: var(--bpf-accent); background: linear-gradient(135deg, var(--bpf-accent-strong), var(--bpf-accent)); }
.bpf-btn--icon { width: 31px; min-width: 31px; min-height: 31px; padding: 0; font-family: var(--bpf-mono); font-size: .72rem; }
.bpf-btn--danger:hover { color: var(--bpf-danger); border-color: rgba(251,113,133,.52); background: var(--bpf-danger-soft); }

.bpf-table-wrapper {
  width: 100%;
  overflow-x: auto;
  border-top: 1px solid var(--bpf-border);
  border-bottom: 1px solid var(--bpf-border);
  background: rgba(4,10,18,.52);
  scrollbar-color: rgba(56,189,248,.48) rgba(255,255,255,.035);
  scrollbar-width: thin;
}

.bpf-table { width: 100%; min-width: 1920px; border-collapse: separate; border-spacing: 0; table-layout: fixed; color: var(--bpf-text-soft); font-size: .76rem; }

.bpf-table thead th {
  position: sticky;
  top: 0;
  z-index: 5;
  height: 62px;
  padding: 10px 9px;
  border-right: 1px solid var(--bpf-border-soft);
  border-bottom: 1px solid var(--bpf-border-strong);
  color: var(--bpf-text-muted);
  background: linear-gradient(180deg, rgba(17,31,48,.98), rgba(10,21,34,.98));
  font-size: .66rem;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: .035em;
  text-align: left;
  text-transform: uppercase;
  vertical-align: bottom;
}

.bpf-table .bpf-unit { display: block; margin-top: 4px; color: var(--bpf-text-dim); font-family: var(--bpf-mono); font-size: .61rem; font-weight: 500; text-transform: none; }
.bpf-table tbody tr { background: rgba(8,17,29,.46); }
.bpf-table tbody tr:nth-child(even) { background: rgba(255,255,255,.012); }
.bpf-table tbody tr:hover { background: rgba(56,189,248,.045); }
.bpf-table tbody td { height: 48px; padding: 6px 7px; border-right: 1px solid var(--bpf-border-soft); border-bottom: 1px solid var(--bpf-border-soft); }

.bpf-col-index { width: 44px; }
.bpf-col-designation { width: 210px; }
.bpf-col-result { width: 112px; }
.bpf-col-total { width: 120px; }
.bpf-col-actions { width: 138px; }
.bpf-num { color: var(--bpf-text-dim); font-family: var(--bpf-mono); font-size: .72rem; text-align: center; }

.bpf-cell-input {
  width: 100%;
  min-height: 34px;
  box-sizing: border-box;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 5px;
  outline: none;
  color: var(--bpf-text-soft);
  background: transparent;
  font-family: var(--bpf-mono);
  font-size: .74rem;
  text-align: right;
}

.bpf-cell-input--text { min-width: 178px; font-family: inherit; text-align: left; }
.bpf-cell-input:hover { border-color: var(--bpf-border); background: rgba(255,255,255,.024); }
.bpf-cell-input:focus { border-color: var(--bpf-accent); background: rgba(5,13,22,.98); box-shadow: 0 0 0 2px var(--bpf-accent-soft); }
.bpf-cell-input.bpf-invalid { border-color: var(--bpf-danger); background: var(--bpf-danger-soft); }
.bpf-cell-calc { padding-right: 12px !important; color: #8bdcff; font-family: var(--bpf-mono); font-size: .75rem; text-align: right; white-space: nowrap; }
.bpf-cell-total { color: var(--bpf-text); background: rgba(56,189,248,.032); font-weight: 800; }
.bpf-row-actions { display: flex; justify-content: flex-end; gap: 5px; }

.bpf-table-footer { display: flex; justify-content: space-between; gap: 22px; padding-top: 16px; }
.bpf-help,
.bpf-table-scroll-hint { margin: 0; color: var(--bpf-text-dim); font-size: .7rem; line-height: 1.5; }
.bpf-table-scroll-hint { text-align: right; }

.bpf-synthesis-layout { display: grid; gap: 22px; }
.bpf-synth-details { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; }
.bpf-synth-group { overflow: hidden; border: 1px solid var(--bpf-border); border-radius: var(--bpf-radius-md); background: rgba(5,12,21,.46); }
.bpf-synth-group__title { margin: 0; padding: 14px 16px; border-bottom: 1px solid var(--bpf-border-soft); color: var(--bpf-text-muted); background: rgba(255,255,255,.018); font-family: var(--bpf-mono); font-size: .67rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; }
.bpf-synth-list { margin: 0; }
.bpf-synth-row { display: flex; justify-content: space-between; align-items: center; gap: 18px; min-height: 48px; padding: 10px 16px; border-bottom: 1px solid var(--bpf-border-soft); }
.bpf-synth-row:last-child { border-bottom: 0; }
.bpf-synth-row dt { color: var(--bpf-text-muted); font-size: .76rem; }
.bpf-synth-row dd { margin: 0; color: var(--bpf-text); font-family: var(--bpf-mono); font-size: .8rem; font-weight: 750; text-align: right; }

.bpf-calculation-chain { display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr) auto minmax(0,1fr); align-items: stretch; gap: 8px; }
.bpf-calculation-step { min-width: 0; padding: 16px; border: 1px solid var(--bpf-border); border-radius: var(--bpf-radius-sm); background: rgba(5,12,21,.58); }
.bpf-calculation-step__label { display: block; margin-bottom: 10px; color: var(--bpf-text-dim); font-family: var(--bpf-mono); font-size: .62rem; font-weight: 700; letter-spacing: .075em; text-transform: uppercase; }
.bpf-calculation-step__value { display: block; color: var(--bpf-text); font-family: var(--bpf-mono); font-size: clamp(.92rem,1.4vw,1.12rem); white-space: nowrap; }
.bpf-calculation-operator { display: grid; place-items: center; min-width: 26px; color: var(--bpf-accent); font-family: var(--bpf-mono); font-size: 1rem; font-weight: 800; }

.bpf-final {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  align-items: center;
  gap: 30px;
  padding: clamp(24px,4vw,42px);
  border: 1px solid rgba(56,189,248,.52);
  border-radius: var(--bpf-radius-lg);
  background: linear-gradient(135deg, rgba(56,189,248,.12), rgba(34,211,238,.035)), rgba(5,13,22,.88);
  box-shadow: 0 24px 64px rgba(0,0,0,.24);
}

.bpf-final__content { display: flex; flex-direction: column; gap: 9px; }
.bpf-final-label { color: var(--bpf-accent); font-family: var(--bpf-mono); font-size: .72rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.bpf-final-description { max-width: 720px; color: var(--bpf-text-muted); font-size: .8rem; line-height: 1.55; }
.bpf-final__result { display: flex; align-items: baseline; justify-content: flex-end; gap: 10px; text-align: right; }
.bpf-final-value { color: #fff; font-family: var(--bpf-mono); font-size: clamp(2.4rem,5.2vw,5.4rem); font-weight: 800; line-height: .9; letter-spacing: -.065em; }
.bpf-final-unit { color: var(--bpf-accent); font-family: var(--bpf-mono); font-size: clamp(.9rem,1.4vw,1.18rem); font-weight: 800; }

.bpf-method-note { display: flex; gap: 15px; margin-top: 24px; padding: 18px 20px; border: 1px solid var(--bpf-border); border-radius: var(--bpf-radius-md); background: rgba(255,255,255,.018); }
.bpf-method-note__icon { flex: 0 0 auto; display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--bpf-border-strong); border-radius: 50%; color: var(--bpf-accent); font-family: var(--bpf-mono); font-size: .72rem; font-weight: 800; }
.bpf-method-note__title { margin: 1px 0 5px; color: var(--bpf-text-soft); font-size: .82rem; font-weight: 700; }
.bpf-method-note__text { margin: 0; color: var(--bpf-text-dim); font-size: .74rem; line-height: 1.65; }
.bpf-back { margin-top: 28px; }
.bpf-back__link { display: inline-flex; align-items: center; gap: 9px; color: var(--bpf-text-muted); font-size: .78rem; font-weight: 650; text-decoration: none; }
.bpf-back__link:hover { color: var(--bpf-accent); }

@media (max-width: 1180px) {
  .bpf-tool-header { grid-template-columns: 1fr; align-items: start; }
  .bpf-grid--info { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bpf-calculation-chain { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .bpf-calculation-operator { display: none; }
}

@media (max-width: 860px) {
  .bpf-main { padding-inline: 16px; }
  .bpf-section-head,
  .bpf-section-head--table { flex-direction: column; align-items: stretch; }
  .bpf-toolbar { justify-content: flex-start; }
  .bpf-synth-details { grid-template-columns: 1fr; }
  .bpf-final { grid-template-columns: 1fr; }
  .bpf-final__result { justify-content: flex-start; text-align: left; }
  .bpf-table-footer { flex-direction: column; }
  .bpf-table-scroll-hint { text-align: left; }
}

@media (max-width: 620px) {
  .bpf-main { padding-top: 24px; padding-bottom: 64px; }
  .bpf-tool-header,
  .bpf-panel { border-radius: var(--bpf-radius-md); }
  .bpf-tool-header { padding: 24px 18px; }
  .bpf-module-status__grid { grid-template-columns: 1fr; }
  .bpf-grid--info { grid-template-columns: 1fr; }
  .bpf-field--wide { grid-column: auto; }
  .bpf-toolbar { display: grid; grid-template-columns: 1fr 1fr; }
  .bpf-toolbar .bpf-btn { width: 100%; }
  .bpf-toolbar .bpf-btn--primary { grid-column: 1 / -1; }
  .bpf-calculation-chain { grid-template-columns: 1fr; }
  .bpf-final { padding: 24px 18px; }
}

@media print {
  .bpf-body { color: #111827; background: #fff; }
  .bpf-body .site-header,
  .bpf-body .site-footer,
  .bpf-breadcrumb,
  .bpf-toolbar,
  .bpf-row-actions,
  .bpf-col-actions,
  .bpf-table-scroll-hint,
  .bpf-back { display: none !important; }
  .bpf-main { padding: 0; }
  .bpf-main::before { display: none; }
  .bpf-tool-header,
  .bpf-panel,
  .bpf-method-note,
  .bpf-final,
  .bpf-synth-group,
  .bpf-calculation-step,
  .bpf-module-status { color: #111827; background: #fff !important; box-shadow: none !important; }
  .bpf-table-wrapper { overflow: visible; border: 1px solid #cbd5e1; }
  .bpf-table { min-width: 0; font-size: 7px; }
  .bpf-table thead th { position: static; color: #334155; background: #f1f5f9; }
  .bpf-input,
  .bpf-textarea,
  .bpf-cell-input { color: #111827; border-color: #cbd5e1; background: #fff; }
  .bpf-title__main,
  .bpf-section-title,
  .bpf-final-value,
  .bpf-synth-row dd,
  .bpf-calculation-step__value { color: #111827 !important; }
}