:root {
  --color-bg: #ECE8E1;
  --color-surface: #FFFFFF;
  --color-ink: #262220;
  --color-muted: #6E6660;
  --color-wood: #8A5A34;
  --color-wood-dark: #5F3D22;
  --color-ember: #B23A1D;
  --color-ember-soft: #F1DACE;
  --color-forest: #3F6C4C;
  --color-forest-soft: #DCE8DE;
  --color-line: #DAD3C8;

  --font-sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

a { color: var(--color-wood-dark); }
a:hover { color: var(--color-ember); }

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px 48px;
}

/* ---- En-tête ---- */

.site-header {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
  margin-bottom: 32px;
}

.site-header .inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-wood-dark);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand span {
  color: var(--color-ember);
}

nav.main-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

nav.main-nav a {
  text-decoration: none;
  color: var(--color-muted);
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.95rem;
}

nav.main-nav a:hover {
  background: var(--color-bg);
  color: var(--color-ink);
}

nav.main-nav a.active {
  background: var(--color-wood);
  color: #fff;
}

/* ---- Titres de page ---- */

h1 {
  font-size: 1.6rem;
  margin: 0 0 4px;
}

h2 {
  font-size: 1.15rem;
  margin: 0 0 12px;
}

.page-intro {
  color: var(--color-muted);
  margin: 0 0 28px;
  max-width: 62ch;
}

/* ---- Hero jauge de réserve ---- */

.hero {
  display: flex;
  gap: 32px;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 28px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.hero-figure {
  flex: 0 0 auto;
}

.hero-numbers {
  flex: 1 1 240px;
}

.hero-numbers .big {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 600;
  line-height: 1;
  color: var(--color-wood-dark);
}

.hero-numbers .big small {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-muted);
  margin-left: 8px;
}

.hero-numbers .label {
  color: var(--color-muted);
  margin-top: 4px;
}

.hero.alert .hero-numbers .big { color: var(--color-ember); }

.silo-gauge rect.fill {
  transition: height 0.4s ease, y 0.4s ease;
}

/* ---- Grille de statistiques ---- */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 16px 18px;
}

.stat-card .value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 600;
}

.stat-card .label {
  color: var(--color-muted);
  font-size: 0.88rem;
  margin-top: 2px;
}

/* ---- Actions rapides ---- */

.quick-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border: 1px solid transparent;
  border-radius: 5px;
  padding: 10px 18px;
  font-size: 0.95rem;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}

.btn-wood {
  background: var(--color-wood);
  color: #fff;
}
.btn-wood:hover { background: var(--color-wood-dark); }

.btn-ember {
  background: var(--color-ember);
  color: #fff;
}
.btn-ember:hover { background: #8f2e16; }

.btn-outline {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-wood); }

.btn-danger-text {
  background: none;
  border: none;
  color: var(--color-ember);
  padding: 4px 6px;
  font-size: 0.85rem;
}

/* ---- Sections / panneaux ---- */

.panel {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 22px;
  margin-bottom: 24px;
}

.panel + .panel { margin-top: 0; }

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 720px) {
  .two-col { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; }
}

/* ---- Formulaires ---- */

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-bottom: 4px;
}

.field input, .field select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--color-line);
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.95rem;
  background: #fff;
  color: var(--color-ink);
}

.field input:focus, .field select:focus {
  outline: 2px solid var(--color-wood);
  outline-offset: 1px;
}

.field.full { grid-column: 1 / -1; }

/* ---- Tableaux ---- */

table.list {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.list th, table.list td {
  text-align: left;
  padding: 9px 8px;
  border-bottom: 1px solid var(--color-line);
}

table.list th {
  color: var(--color-muted);
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: none;
}

table.list td.num, table.list th.num {
  text-align: right;
  font-family: var(--font-mono);
}

table.list tbody tr:hover { background: var(--color-bg); }

.empty-state {
  color: var(--color-muted);
  padding: 24px 0;
  text-align: center;
}

/* ---- Badges / alertes ---- */

.badge {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}
.badge-ok { background: var(--color-forest-soft); color: var(--color-forest); }
.badge-alert { background: var(--color-ember-soft); color: var(--color-ember); }

.flash {
  padding: 12px 16px;
  border-radius: 5px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}
.flash-ok { background: var(--color-forest-soft); color: var(--color-forest); }
.flash-error { background: var(--color-ember-soft); color: var(--color-ember); }

/* ---- Connexion ---- */

.login-box {
  max-width: 340px;
  margin: 80px auto;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 6px;
  padding: 28px;
}

/* ---- Graphiques maison (SVG) ---- */

.chart-line text {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--color-muted);
}

.chart-line path.area {
  fill: var(--color-wood);
  opacity: 0.12;
  stroke: none;
}

.chart-line path.line {
  stroke: var(--color-wood);
  stroke-width: 2.5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.chart-line circle.dot {
  fill: var(--color-surface);
  stroke: var(--color-wood);
  stroke-width: 2;
}

.chart-line circle.dot:hover {
  fill: var(--color-ember);
  stroke: var(--color-ember);
}

footer.site-footer {
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: 40px;
}