:root {
    --bg: #f4f1ea;
    --panel: #fffdf8;
    --ink: #1d1a16;
    --muted: #6d675e;
    --line: #e4ddd0;
    --accent: #0f6b5c;
    --accent-2: #c46a2b;
    --danger: #9b2c2c;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Vazirmatn, Tahoma, sans-serif;
    background: var(--bg);
    color: var(--ink);
}
a { color: var(--accent); text-decoration: none; }
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px;
    background: #17332e;
    color: #f6f1e7;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    gap: 18px;
}
.brand { font-weight: 700; font-size: 18px; }
.sidebar nav { display: flex; flex-direction: column; gap: 6px; }
.sidebar a {
    color: #efe7d8;
    padding: 10px 12px;
    border-radius: 8px;
}
.sidebar a.active, .sidebar a:hover { background: #0f6b5c; color: #fff; }
.logout button, button, .btn {
    font: inherit;
    border: 0;
    background: var(--accent);
    color: #fff;
    padding: 9px 14px;
    border-radius: 8px;
    cursor: pointer;
}
.logout button { width: 100%; background: transparent; border: 1px solid #3d5f58; }
.content { flex: 1; padding: 28px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
h1 { margin: 0 0 8px; font-size: 22px; }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.card, .panel {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 16px;
}
.card strong { display: block; font-size: 26px; margin-top: 8px; }
.muted { color: var(--muted); }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { text-align: right; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.flash { padding: 10px 12px; border-radius: 8px; margin: 12px 0; }
.flash.ok { background: #e5f4ef; }
.flash.err { background: #fde8e8; color: var(--danger); }
label { display: block; margin: 12px 0 6px; font-weight: 600; }
input, select, textarea {
    width: 100%;
    font: inherit;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
}
textarea { min-height: 90px; }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.repeat { border: 1px dashed var(--line); border-radius: 12px; padding: 12px; margin: 10px 0; background: #fff; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.btn.secondary { background: #44524f; }
.btn.danger { background: var(--danger); }
.login {
    min-height: 100vh;
    display: grid;
    place-items: center;
}
.login .panel { width: min(420px, 92vw); }
.chat { display: flex; flex-direction: column; gap: 8px; max-width: 720px; }
.bubble { padding: 10px 12px; border-radius: 12px; max-width: 80%; }
.bubble.in { background: #ece6d8; align-self: flex-start; }
.bubble.out { background: #d8efe8; align-self: flex-end; }
@media (max-width: 900px) {
    .app { flex-direction: column; }
    .sidebar { width: auto; }
    .grid, .row { grid-template-columns: 1fr; }
}