@import url("https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,800;1,400&family=DM+Sans:wght@400;500;600;700&family=DM+Mono:wght@400;500&display=swap");

:root {
  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "DM Mono", "SF Mono", monospace;

  --blue: #2a78d6;
  --grid: #e1e0d9;
  --chart-bg: #fcfcfb;
  --good: #0ca30c;
  --warn: #eda100;
  --bad: #d03b3b;
  --neutral: #898781;
  --ink: #1a1f2e;
  --ink-soft: #5c6478;
  --border: #dde1e8;
  --bg: #f3f5f9;
  --card-bg: #ffffff;
  --sidebar-bg: #eceef3;
  --shadow: 0 1px 3px rgba(20,25,40,0.06), 0 4px 14px rgba(20,25,40,0.05);
  --input-bg: #f7f8fb;
  --hover-bg: #e7eaf1;
  --btn-secondary-bg: #e5e8ef;
  --tr-hover-bg: #f5f7fa;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --ink: #eef1f6;
  --ink-soft: #9aa3b5;
  --border: #2c3446;
  --bg: #0f1420;
  --card-bg: #1a2133;
  --sidebar-bg: #141a29;
  /* les graphiques Plotly (charts.js) restent volontairement sur fond clair,
     même en mode sombre — voir plan : évite de réécrire charts.js pour un
     bénéfice marginal, le graphique se lit comme une "carte" claire posée
     sur un fond sombre. */
  --shadow: 0 1px 3px rgba(0,0,0,0.3), 0 4px 18px rgba(0,0,0,0.35);
  --input-bg: #212a3f;
  --hover-bg: #232c42;
  --btn-secondary-bg: #262f47;
  --tr-hover-bg: #171e30;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--bg);
  transition: background 0.15s, color 0.15s;
}

/* les tableaux de données restent sur une police système neutre :
   la lisibilité des chiffres en colonne prime sur l'identité visuelle */
table, th, td {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

h1 {
  font-family: var(--font-serif);
  font-weight: 800;
}

h2, h3, .logo-mark {
  font-family: var(--font-sans);
  font-weight: 700;
}

#layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-brand { display: flex; align-items: center; gap: 8px; padding: 4px 10px 18px; }
.sidebar-brand .brand-logo { width: 26px; height: 26px; flex-shrink: 0; }
.sidebar-brand .brand-name { font-family: var(--font-sans); font-weight: 700; font-size: 16px; color: var(--ink); }

.sidebar-links { display: flex; flex-direction: column; gap: 2px; }

.mobile-toggle { display: none; }

@media (max-width: 700px) {
  #layout { flex-direction: column; }

  .mobile-toggle {
    display: block;
    width: 100%;
    text-align: left;
    background: var(--sidebar-bg);
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 14px 16px;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
  }

  .sidebar {
    width: 100%;
    flex-shrink: 1;
    border-right: none;
    border-bottom: 1px solid var(--border);
    display: none;
    position: static;
    height: auto;
    overflow-y: visible;
  }
  .sidebar.open { display: flex; }

  .content { padding: 18px; }

  table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; white-space: nowrap; max-width: 100%; }
}

.nav-link {
  display: block;
  padding: 9px 10px;
  border-radius: 6px;
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
}
.nav-link:hover { background: var(--hover-bg); }
.nav-link.active { background: #dfe8f7; font-weight: 600; color: var(--blue); }

.sidebar-footer { font-size: 12px; }
.muted-small { color: var(--ink-soft); margin: 4px 0; }
.disclaimer {
  color: var(--ink-soft);
  margin-top: 14px;
  line-height: 1.4;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.content { flex: 1; min-width: 0; padding: 28px 36px; max-width: 1100px; }

h1 { font-size: 28px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 26px 0 10px; }
h3 { font-size: 15px; margin: 18px 0 8px; }
p.caption { color: var(--ink-soft); margin: 0 0 18px; max-width: 760px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 10px; }
.kpi { }
.kpi .label { font-size: 13px; color: var(--ink-soft); }
.kpi .value { font-family: var(--font-mono); font-size: 30px; font-weight: 500; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 850px) { .grid-2 { grid-template-columns: 1fr; } }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--ink-soft); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .02em; }
tr:hover td { background: var(--tr-hover-bg); }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; }
.badge-achat-fort { background: #0ca30c22; color: var(--good); border: 1px solid var(--good); }
.badge-surveiller { background: #eda10022; color: var(--warn); border: 1px solid var(--warn); }
.badge-ecarter { background: #d03b3b22; color: var(--bad); border: 1px solid var(--bad); }
.badge-insuffisant { background: #89878122; color: var(--neutral); border: 1px solid var(--neutral); }

.alert-row { display: flex; gap: 8px; align-items: baseline; padding: 6px 0; font-size: 14px; }
.alert-row .msg { color: var(--ink-soft); }

label { display: block; font-size: 13px; font-weight: 600; margin: 10px 0 4px; }
input[type=text], input[type=number], input[type=password], input[type=date], select, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: var(--input-bg);
  color: var(--ink);
  font-family: inherit;
}
textarea { resize: vertical; min-height: 70px; }
.form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
fieldset { border: none; padding: 0; margin: 0; }
.checkbox-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; font-size: 14px; }
.checkbox-row input { width: auto; }

button, .btn {
  cursor: pointer;
  border: none;
  border-radius: 7px;
  padding: 10px 18px;
  font-size: 14px;
  font-weight: 600;
  background: var(--blue);
  color: white;
  transition: filter 0.12s, transform 0.05s;
}
button:hover, .btn:hover { filter: brightness(1.08); }
button:active, .btn:active { transform: translateY(1px); }
button.btn-secondary, .btn-secondary { background: var(--btn-secondary-bg); color: var(--ink); }
button.btn-danger { background: #fbeaea; color: var(--bad); }
button:disabled { opacity: .5; cursor: not-allowed; }

.info-box { background: #eaf1fb; border: 1px solid #cddffb; color: #1c4a80; padding: 14px 16px; border-radius: 8px; }
.warning-box { background: #fff6e6; border: 1px solid #f5deab; color: #7a5300; padding: 14px 16px; border-radius: 8px; }
.success-box { background: #e9f8e9; border: 1px solid #bfe8bf; color: #1d5e1d; padding: 14px 16px; border-radius: 8px; }
.error-box { background: #fbe9e9; border: 1px solid #f0bcbc; color: #8a1f1f; padding: 14px 16px; border-radius: 8px; }

.divider { border: none; border-top: 1px solid var(--border); margin: 24px 0; }

.chart-box { width: 100%; }

body.login-page {
  background: #141a29;
  overflow-x: hidden;
  position: relative;
}

.login-map { position: fixed; inset: 0; z-index: 0; }
.login-map svg circle { fill: rgba(88, 156, 232, 0.75); }
.login-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(20,26,41,0.1) 0%, rgba(20,26,41,0.6) 100%);
}

.login-wrap {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 36px;
  width: 360px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}
.login-card h1 { text-align: center; }
.login-card p.caption { text-align: center; margin: 0 0 20px; }

.slider-row { margin-bottom: 16px; }
.slider-row output { font-weight: 700; margin-left: 8px; }
input[type=range] { width: 100%; }

.pill-toggle { display: inline-flex; gap: 6px; flex-wrap: wrap; margin: 8px 0 16px; }
.pill-toggle label {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px;
  font-weight: 500; font-size: 13px; cursor: pointer; margin: 0;
  background: white;
}
.pill-toggle input { width: auto; margin: 0; }