/* ===== BCE Monitor – styles ===== */
*, *::before, *::after { box-sizing: border-box; }

:root {
  --blue:    #2c3e50;
  --accent:  #3498db;
  --green:   #27ae60;
  --red:     #c0392b;
  --orange:  #e67e22;
  --bg:      #f4f6f9;
  --card:    #ffffff;
  --border:  #dde3ec;
  --text:    #333;
  --muted:   #7f8c8d;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* ── Navigation ─────────────────────────────────── */
nav {
  background: var(--blue);
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
nav .brand {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  padding: 14px 0;
  margin-right: 16px;
  text-decoration: none;
}
nav a {
  color: rgba(255,255,255,.75);
  text-decoration: none;
  padding: 14px 12px;
  display: block;
  transition: color .2s;
}
nav a:hover, nav a.active { color: #fff; border-bottom: 3px solid var(--accent); }

/* ── Layout ──────────────────────────────────────── */
.container { max-width: 1100px; margin: 30px auto; padding: 0 16px; }

.page-title { font-size: 22px; font-weight: 700; margin: 0 0 20px; color: var(--blue); }

/* ── Cards / stat boxes ──────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.card .label  { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.card .value  { font-size: 28px; font-weight: 700; color: var(--blue); margin: 6px 0 0; }
.card.accent  .value { color: var(--accent); }
.card.success .value { color: var(--green); }
.card.warning .value { color: var(--orange); }
.card.danger  .value { color: var(--red); }

/* ── Panels (white box with title) ──────────────── */
.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
}
.panel-title { font-size: 16px; font-weight: 600; color: var(--blue); margin: 0 0 16px; }

/* ── Tables ──────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th {
  background: var(--blue);
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
}
td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

/* ── Badges ──────────────────────────────────────── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}
.badge-success { background: #d5f5e3; color: var(--green); }
.badge-danger  { background: #fadbd8; color: var(--red); }
.badge-warning { background: #fdebd0; color: var(--orange); }
.badge-info    { background: #d6eaf8; color: var(--accent); }
.badge-muted   { background: #eaecee; color: var(--muted); }

/* ── Buttons ─────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity .2s;
}
.btn:hover { opacity: .85; }
.btn-primary  { background: var(--accent); color: #fff; }
.btn-success  { background: var(--green);  color: #fff; }
.btn-danger   { background: var(--red);    color: #fff; }
.btn-warning  { background: var(--orange); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* ── Forms ───────────────────────────────────────── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 5px; font-weight: 600; font-size: 13px; }
.form-group input[type="text"],
.form-group input[type="file"],
.form-group select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-size: 13px;
  background: #fff;
  transition: border-color .2s;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(52,152,219,.15);
}
.form-row { display: flex; gap: 12px; align-items: flex-end; }
.form-row .form-group { flex: 1; margin-bottom: 0; }

/* ── Alerts ──────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 5px;
  margin-bottom: 16px;
  font-size: 13px;
  border-left: 4px solid transparent;
}
.alert-success { background: #d5f5e3; border-color: var(--green);  color: #1a6b3a; }
.alert-danger  { background: #fadbd8; border-color: var(--red);    color: #78281f; }
.alert-info    { background: #d6eaf8; border-color: var(--accent); color: #1a4d6e; }
.alert-warning { background: #fdebd0; border-color: var(--orange); color: #784212; }

/* ── Modal pour historique ───────────────────────── */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff;
  border-radius: 8px;
  padding: 28px;
  max-width: 750px;
  width: 95%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 8px 32px rgba(0,0,0,.2);
}
.modal-close { float: right; font-size: 20px; cursor: pointer; border: none; background: none; }