* { box-sizing: border-box; }
body {
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: #f4f5f7;
    color: #1f2430;
    margin: 0;
}
.navbar {
    background: #1f2430;
    color: white;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.navbar a { color: white; text-decoration: none; margin-right: 16px; }
.container { max-width: 960px; margin: 30px auto; padding: 0 20px; }
.card {
    background: white;
    border-radius: 8px;
    padding: 24px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    margin-bottom: 20px;
}
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid #e5e7eb; }
th { background: #f9fafb; font-size: 13px; text-transform: uppercase; color: #6b7280; }
a.btn, button.btn {
    display: inline-block;
    background: #2563eb;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
}
a.btn.secondary, button.btn.secondary { background: #6b7280; }
a.btn.danger, button.btn.danger { background: #dc2626; }
input, textarea, select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 14px;
}
label { font-weight: 600; font-size: 13px; display: block; margin-bottom: 4px; }
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}
.badge.Nouveau { background: #2563eb; }
.badge.En.En-cours, .badge.EnCours { background: #d97706; }
.badge.Resolu, .badge.Résolu { background: #16a34a; }
.badge.Ferme, .badge.Fermé { background: #6b7280; }
.badge.attente { background: #9333ea; }
.erreur { color: #dc2626; margin-bottom: 12px; }

/* Chat */
.chat-box {
    height: 400px;
    overflow-y: auto;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 16px;
    background: #fafafa;
    margin-bottom: 12px;
}
.msg { margin-bottom: 12px; max-width: 75%; }
.msg .bulle { padding: 10px 14px; border-radius: 10px; display: inline-block; }
.msg.mine { text-align: right; margin-left: auto; }
.msg.mine .bulle { background: #e5e7eb; color: #1f2430; }
.msg.other .bulle { background: #2563eb; color: white; }
.msg .meta { font-size: 11px; color: #9ca3af; margin-top: 2px; }
.chat-form { display: flex; gap: 8px; }
.chat-form textarea { margin-bottom: 0; height: 44px; resize: none; }