/* ============================================================
   DASHBOARD LAYOUT
   ============================================================ */
.dash-layout {
  display: flex;
  min-height: 100vh;
  padding-top: var(--nav-h);
}

/* ---- Sidebar ---- */
.sidebar {
  width: 240px;
  background: var(--bg1);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  flex-shrink: 0;
  position: fixed;
  top: var(--nav-h);
  bottom: 0;
  left: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-section { padding: 0 12px; margin-bottom: 24px; }

.sidebar-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text3);
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 0 12px;
  margin-bottom: 8px;
  display: block;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 12px;
  border-radius: var(--r);
  border: 1px solid transparent;
  background: none;
  color: var(--text2);
  font-size: 13px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: all .2s;
  margin-bottom: 2px;
}
.sidebar-item:hover { background: var(--bg3); color: var(--text1); }
.sidebar-item.active {
  background: rgba(0,212,170,.08);
  color: var(--accent);
  border-color: rgba(0,212,170,.18);
}

.sidebar-icon {
  width: 18px; height: 18px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
}

/* ---- Main area ---- */
.dash-main {
  margin-left: 240px;
  flex: 1;
  padding: 32px;
  min-width: 0;
}

/* ---- Panels ---- */
.dash-panel { display: none; }
.dash-panel.active { display: block; }

/* ============================================================
   DASHBOARD — OVERVIEW
   ============================================================ */
.dash-header { margin-bottom: 32px; }

.dash-greeting {
  font-family: var(--font-head);
  font-size: 26px; font-weight: 700;
  margin-bottom: 4px;
}
.dash-greeting span { color: var(--accent); }
.dash-date {
  font-size: 13px;
  color: var(--text3);
  font-family: var(--font-mono);
}

/* KPI */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 28px;
}
.kpi-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  transition: border-color .2s;
}
.kpi-card:hover { border-color: var(--border2); }
.kpi-label {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text3);
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.kpi-val {
  font-family: var(--font-head);
  font-size: 28px; font-weight: 800;
  color: var(--text1);
}
.kpi-val span { color: var(--accent); font-size: 14px; font-weight: 500; }
.kpi-trend {
  font-size: 11px;
  color: var(--accent);
  margin-top: 6px;
  font-family: var(--font-mono);
}

/* Overview grid */
.overview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

/* Activity chart */
.chart-container {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
}
.chart-title {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.chart-bars { display: flex; align-items: flex-end; gap: 4px; height: 80px; }
.chart-bar {
  flex: 1;
  border-radius: 3px 3px 0 0;
  min-height: 4px;
  transition: height .4s ease, background .2s;
  cursor: pointer;
  position: relative;
}
.chart-bar:hover { opacity: .8; }
.chart-bar:hover::after {
  content: attr(data-val);
  position: absolute;
  top: -20px; left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
  white-space: nowrap;
}
.chart-x { display: flex; gap: 4px; margin-top: 6px; }
.chart-xl {
  flex: 1;
  text-align: center;
  font-size: 9px;
  font-family: var(--font-mono);
  color: var(--text3);
}

/* Quick access */
.quick-access {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
}
.quick-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 11px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  color: var(--text1);
  font-size: 13px;
  margin-bottom: 8px;
  transition: border-color .2s;
  text-align: left;
}
.quick-btn:last-child { margin-bottom: 0; }
.quick-btn:hover { border-color: var(--accent); }
.quick-btn-arrow { color: var(--accent); font-family: var(--font-mono); font-size: 11px; }

/* ============================================================
   MODULES — COMMON
   ============================================================ */
.module-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.module-title {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
}
.module-badge {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 10px;
  font-family: var(--font-mono);
  background: rgba(0,212,170,.08);
  color: var(--accent);
  border: 1px solid rgba(0,212,170,.2);
  letter-spacing: 1px;
}

.module-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 22px;
  background: var(--bg2);
  border-radius: 10px;
  padding: 4px;
  border: 1px solid var(--border);
}
.module-tab {
  flex: 1;
  padding: 9px;
  border-radius: 7px;
  font-size: 12px;
  font-weight: 500;
  border: 1px solid transparent;
  background: none;
  color: var(--text2);
  transition: all .2s;
  text-align: center;
}
.module-tab:hover { color: var(--text1); }
.module-tab.active {
  background: var(--bg3);
  color: var(--accent);
  border-color: rgba(0,212,170,.2);
}

/* ============================================================
   CALC PANELS
   ============================================================ */
.calc-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.calc-panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 24px;
}
.calc-panel-title {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

/* Inputs */
.input-group { margin-bottom: 16px; }
.input-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.input-label-text { font-size: 13px; color: var(--text2); }
.input-label-unit { font-size: 11px; font-family: var(--font-mono); color: var(--text3); }
.input-row { display: flex; gap: 8px; align-items: center; }

.calc-input {
  flex: 1;
  padding: 9px 12px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  color: var(--text1);
  font-size: 14px;
  font-family: var(--font-mono);
  outline: none;
  transition: all .2s;
}
.calc-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,212,170,.08);
}
.calc-input::placeholder { color: var(--text3); }

.calc-select {
  flex: 1;
  padding: 9px 12px;
  background: var(--bg3);
  border: 1px solid var(--border2);
  border-radius: var(--r);
  color: var(--text1);
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
  cursor: pointer;
}
.calc-select:focus { border-color: var(--accent); }
.calc-select option { background: var(--bg2); }

.unit-badge {
  padding: 7px 10px;
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--text3);
  white-space: nowrap;
  flex-shrink: 0;
}

.calc-btn {
  width: 100%;
  padding: 12px;
  border-radius: var(--r);
  background: var(--accent);
  color: #000;
  font-size: 14px;
  font-weight: 600;
  border: none;
  margin-top: 8px;
  transition: all .2s;
  letter-spacing: .3px;
}
.calc-btn:hover { background: #00f0c2; transform: translateY(-1px); }
.calc-btn:active { transform: scale(.98); }

/* Résultats */
.result-panel {
  background: var(--bg0);
  border: 1px solid var(--border2);
  border-radius: 10px;
  padding: 18px;
  margin-top: 16px;
}
.result-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.result-row:last-child { border-bottom: none; }
.result-label { font-size: 13px; color: var(--text2); }
.result-val {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
}
.result-val.big { font-size: 24px; font-weight: 700; }
.result-unit { font-size: 12px; color: var(--text3); margin-left: 4px; }

.formula-box {
  background: rgba(0,212,170,.03);
  border: 1px solid rgba(0,212,170,.12);
  border-radius: var(--r);
  padding: 14px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text2);
  line-height: 1.8;
}
.formula-box .hl { color: var(--accent); }
.formula-box .detail { color: var(--text3); font-size: 11px; }

.tooltip-row {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--text3);
  line-height: 1.5;
}
.tooltip-icon {
  width: 16px; height: 16px;
  border-radius: 50%;
  background: rgba(0,136,255,.2);
  border: 1px solid rgba(0,136,255,.3);
  display: flex; align-items: center; justify-content: center;
  font-size: 9px;
  color: var(--accent2);
  flex-shrink: 0;
  margin-top: 1px;
}

/* Warning box */
.warn-box {
  display: none;
  border-radius: var(--r);
  padding: 10px 12px;
  font-size: 12px;
  margin-top: 10px;
  line-height: 1.5;
}
.warn-box.danger {
  background: rgba(255,77,109,.06);
  border: 1px solid rgba(255,77,109,.25);
  color: #ff8a9a;
}
.warn-box.warning {
  background: rgba(255,200,0,.06);
  border: 1px solid rgba(255,200,0,.25);
  color: #ffd566;
}

/* ============================================================
   AI ASSISTANT PANEL
   ============================================================ */
.ai-panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  margin-top: 20px;
}
.ai-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.ai-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.35;} }
.ai-title {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.ai-msg {
  background: var(--bg3);
  border-radius: var(--r);
  padding: 12px 14px;
  font-size: 13px;
  color: var(--text2);
  line-height: 1.7;
  border-left: 2px solid var(--accent);
}
.ai-suggestions { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 4px; }
.ai-sug {
  padding: 5px 12px;
  border: 1px solid var(--border2);
  border-radius: 20px;
  font-size: 11px;
  color: var(--text2);
  background: none;
  transition: all .2s;
}
.ai-sug:hover { border-color: var(--accent); color: var(--accent); }

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px,1fr));
  gap: 16px;
}
.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 20px;
  cursor: pointer;
  transition: all .2s;
}
.project-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.project-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}
.project-icon {
  width: 36px; height: 36px;
  border-radius: var(--r);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
}
.project-icon.thermal { background: rgba(255,77,109,.1); border: 1px solid rgba(255,77,109,.2); }
.project-icon.hydro   { background: rgba(0,136,255,.1);  border: 1px solid rgba(0,136,255,.2); }
.project-icon.ventil  { background: rgba(0,212,170,.1);  border: 1px solid rgba(0,212,170,.2); }

.project-status {
  font-size: 10px;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 4px;
}
.project-status.en-cours { background: rgba(0,212,170,.1); color: var(--accent); border: 1px solid rgba(0,212,170,.2); }
.project-status.archive  { background: rgba(74,90,114,.15); color: var(--text3); border: 1px solid var(--border); }

.project-name {
  font-family: var(--font-head);
  font-size: 15px; font-weight: 700;
  margin-bottom: 5px;
}
.project-meta { font-size: 12px; color: var(--text3); font-family: var(--font-mono); }
.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.project-date  { font-size: 11px; color: var(--text3); font-family: var(--font-mono); }
.project-type  { font-size: 11px; color: var(--text2); }

/* ============================================================
   CONVERTISSEUR
   ============================================================ */
.convert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 16px;
}
.convert-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--r2);
  padding: 22px;
}
.convert-results {
  background: var(--bg3);
  border-radius: var(--r);
  padding: 14px;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
}
.convert-row {
  display: flex;
  justify-content: space-between;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}
.convert-row:last-child { border-bottom: none; }
.convert-key { color: var(--text3); }
.convert-val { color: var(--accent); }

/* ============================================================
   RESPONSIVE DASHBOARD
   ============================================================ */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .dash-main { margin-left: 0; padding: 20px 16px; }
  .kpi-grid { grid-template-columns: repeat(2,1fr); }
  .calc-layout { grid-template-columns: 1fr; }
  .overview-grid { grid-template-columns: 1fr; }
}