:root {
    --bg: #101218;
    --panel: #171b24;
    --panel-2: #202635;
    --text: #f4f6fb;
    --muted: #9da7ba;
    --border: #2b3345;
    --accent: #e31b2f;
    --success: #14a76c;
    --danger: #d94b4b;
    --warning: #f2b84b;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: var(--bg);
    color: var(--text);
}
a { color: #ffffff; text-decoration: none; }
a:hover { text-decoration: underline; }
.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 24px;
    background: #0b0d12;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar nav a { margin-left: 16px; color: var(--muted); }
.container { max-width: 1250px; margin: 0 auto; padding: 24px; }
h1 { margin: 0 0 22px; }
h2 { margin: 0 0 12px; font-size: 20px; }
.muted { color: var(--muted); }
.toolbar, .tabs, .card-actions, .email-card-header, .badges { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.toolbar { justify-content: space-between; margin-bottom: 18px; }
.tabs { margin: 16px 0; }
.tab, .button, button {
    display: inline-block;
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    padding: 10px 14px;
    border-radius: 9px;
    cursor: pointer;
    font-size: 14px;
}
.tab.active, .button, button[type="submit"] { background: var(--accent); border-color: var(--accent); color: white; }
.button.secondary { background: transparent; border-color: var(--border); }
button.success { background: var(--success); border-color: var(--success); }
button.danger { background: var(--danger); border-color: var(--danger); }
.email-list { display: grid; gap: 14px; }
.email-card, .panel, .empty {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
}
.email-card h2 { margin: 0 0 4px; }
.email-card-header { justify-content: space-between; align-items: flex-start; }
.badge {
    display: inline-flex;
    padding: 5px 9px;
    border-radius: 999px;
    background: #2a3142;
    color: #fff;
    font-size: 12px;
    white-space: nowrap;
}
.badge.priority { background: #3b2b17; }
.priority-haute { border-left: 4px solid var(--danger); }
.priority-moyenne { border-left: 4px solid var(--warning); }
.priority-normale { border-left: 4px solid var(--success); }
.grid-two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 0.9fr); gap: 18px; align-items: start; }
.meta { display: grid; grid-template-columns: 120px 1fr; gap: 8px 12px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
.mail-body {
    white-space: pre-wrap;
    word-break: break-word;
    background: #0d1016;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px;
    max-height: 520px;
    overflow: auto;
}
label { display: block; margin-top: 12px; margin-bottom: 6px; color: var(--muted); }
input, select, textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #0d1016;
    color: var(--text);
    padding: 10px;
    font: inherit;
}
textarea { resize: vertical; line-height: 1.45; }
.inline-form { display: inline-block; margin-top: 12px; margin-right: 8px; }
.flash { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; background: #263246; }
.flash.success { background: rgba(20,167,108,.22); border: 1px solid rgba(20,167,108,.55); }
.flash.error { background: rgba(217,75,75,.22); border: 1px solid rgba(217,75,75,.55); }
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 420px; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.login-card button { width: 100%; margin-top: 16px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; border-bottom: 1px solid var(--border); padding: 10px; vertical-align: top; }
.footer { color: var(--muted); text-align: center; padding: 24px; }
@media (max-width: 900px) {
    .grid-two { grid-template-columns: 1fr; }
    .topbar { align-items: flex-start; gap: 10px; flex-direction: column; }
    .container { padding: 16px; }
}