:root {
  --primary: #1E3A2B;           /* Vert Sapin */
  --primary-hover: #14271D;     /* Vert Sapin Sombre */
  --accent: #E5A93B;            /* Jaune / Ocre du Sud */
  --accent-hover: #D0932C;
  --bg: #FBFBF8;                /* Blanc crème / Pierre chaude */
  --card-bg: #FFFFFF;
  --text: #111827;              /* Noir profond */
  --text-muted: #525B62;
  --border: #E2E4DC;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }

/* Navbar */
.navbar { background: var(--primary); color: white; border-bottom: 3px solid var(--accent); padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.logo { font-weight: 800; font-size: 1.25rem; color: white; }
.logo span { color: var(--accent); }
.badge { background: var(--accent); color: var(--text); padding: 0.25rem 0.75rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }

/* Main Layout */
.container { max-width: 900px; margin: 2rem auto; padding: 0 1rem; }
.mt-20 { margin-top: 1.5rem; }

/* Tabs */
.tabs { display: flex; gap: 0.5rem; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; }
.tab-btn { background: none; border: none; padding: 0.75rem 1.25rem; font-size: 0.95rem; font-weight: 600; color: var(--text-muted); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -2px; }
.tab-btn.active { color: var(--primary); border-color: var(--accent); font-weight: 700; }

.tab-content { display: none; }
.tab-content.active { display: block; }

/* Cards & Forms */
.card { background: var(--card-bg); padding: 1.5rem; border-radius: 8px; border: 1px solid var(--border); box-shadow: 0 2px 4px rgba(0,0,0,0.03); }
.card h2 { font-size: 1.1rem; color: var(--primary); margin-bottom: 1rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; font-weight: 700; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.span-2 { grid-column: span 2; }

.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.8rem; font-weight: 700; text-transform: uppercase; color: var(--text-muted); }
.form-group input, .form-group select { padding: 0.6rem; border: 1px solid var(--border); border-radius: 6px; font-size: 0.9rem; outline: none; background: #FAFDFB; }
.form-group input:focus, .form-group select:focus { border-color: var(--primary); background: #FFF; }

.form-actions { grid-column: span 2; display: flex; justify-content: flex-end; margin-top: 0.5rem; }
.btn { padding: 0.6rem 1.25rem; border: none; border-radius: 6px; font-weight: 600; cursor: pointer; transition: background 0.2s ease; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-accent { background: var(--accent); color: var(--text); }
.btn-accent:hover { background: var(--accent-hover); }

/* Data Lists */
.data-list { list-style: none; }
.data-list li { padding: 0.75rem; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-size: 0.9rem; }
.data-list li:last-child { border-bottom: none; }
.data-list .empty { color: var(--text-muted); font-style: italic; justify-content: center; padding: 1.5rem 0; }