:root {
    --bg: #f4f6f8;
    --card: #ffffff;
    --border: #e2e6ea;
    --text: #23282d;
    --muted: #8a939b;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --danger: #dc2626;
    --green: #16a34a;
    --radius: 10px;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #eef1f4; padding: 1px 6px; border-radius: 5px; font-size: .9em; }

/* Topbar */
.topbar {
    display: flex; align-items: center; gap: 24px;
    background: #fff; border-bottom: 1px solid var(--border);
    padding: 0 24px; height: 56px; position: sticky; top: 0; z-index: 10;
}
.topbar .brand a { font-weight: 700; font-size: 1.15rem; color: var(--text); }
.topbar nav { display: flex; gap: 18px; }
.topbar nav a { color: var(--text); font-weight: 500; }
.topbar .user-box { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.uname em { color: var(--muted); font-style: normal; font-size: .85em; }
.logout { color: var(--danger); }
.link-tg { background: none; border: 1px solid var(--border); border-radius: 6px;
           padding: 4px 10px; cursor: pointer; }

.container { max-width: 1100px; margin: 24px auto; padding: 0 24px; }

.page-head { display: flex; justify-content: space-between; align-items: center;
             margin-bottom: 18px; gap: 16px; }
.page-head h1 { margin: 0; font-size: 1.5rem; }
.article { font-size: 1rem; }

/* Cards */
.card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px;
}
.card h2 { margin-top: 0; font-size: 1.1rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }

/* Two columns on detail */
.cols { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; }
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }

/* Forms */
label { display: block; margin-bottom: 12px; font-weight: 500; }
input, select, textarea {
    width: 100%; padding: 9px 11px; border: 1px solid var(--border);
    border-radius: 8px; font-size: .95rem; font-family: inherit; margin-top: 4px;
}
textarea { resize: vertical; }
.form-actions { display: flex; gap: 10px; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 10px; }
.inline-form input, .inline-form select { width: auto; flex: 1; min-width: 120px; margin-top: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.row input, .row select { width: auto; flex: 1; }

/* Buttons */
.btn {
    display: inline-block; padding: 9px 16px; border: 1px solid var(--border);
    background: #fff; border-radius: 8px; cursor: pointer; font-size: .92rem;
    font-family: inherit; color: var(--text);
}
.btn:hover { background: #f1f4f7; text-decoration: none; }
.btn.primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn.small { padding: 5px 10px; font-size: .82rem; }

/* Table grid */
.grid { width: 100%; border-collapse: collapse; background: #fff;
        border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.grid th, .grid td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.grid th { background: #f8fafc; font-size: .82rem; text-transform: uppercase; color: var(--muted); }
.grid tr:last-child td { border-bottom: none; }
.clickable { cursor: pointer; }
.clickable:hover { background: #f6f9ff; }
.empty, .muted { color: var(--muted); }
.actions { display: flex; flex-direction: column; gap: 6px; }

/* Badges */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .78rem;
         background: #eef1f4; color: var(--text); }
.badge.instock { background: #dcfce7; color: var(--green); }
.badge.sold { background: #fee2e2; color: var(--danger); }

/* Gallery */
.gallery { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.gallery img { width: 120px; height: 120px; object-fit: cover; border-radius: 8px;
               border: 1px solid var(--border); }

/* Key-value */
.kv { width: 100%; border-collapse: collapse; }
.kv th { text-align: left; width: 40%; color: var(--muted); font-weight: 500; padding: 5px 0; }
.kv td { padding: 5px 0; }

/* Timeline / logs */
.timeline, .logs { list-style: none; padding: 0; margin: 0 0 12px; }
.timeline li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.timeline time { display: block; color: var(--muted); font-size: .8rem; }
.logs li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: .85rem; }
.logs time { color: var(--muted); margin-right: 6px; }
.diff { font-family: monospace; font-size: .82rem; color: #444; margin-top: 3px; }
.cmt { color: var(--muted); font-size: .82rem; }
.src { padding: 1px 6px; border-radius: 5px; font-size: .72rem; text-transform: uppercase; }
.src-web { background: #dbeafe; color: #1e40af; }
.src-telegram { background: #cffafe; color: #0e7490; }

/* Login */
.login-wrap { display: flex; justify-content: center; margin-top: 8vh; }
.login-card { width: 340px; }
.login-card h1 { font-size: 1.3rem; margin-top: 0; }

/* Alerts */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert.error { background: #fee2e2; color: var(--danger); }

.code-block { background: #0f172a; color: #e2e8f0; padding: 14px 18px;
              border-radius: 8px; font-size: 1.2rem; letter-spacing: 2px; }
.search { display: flex; gap: 8px; margin-bottom: 16px; }
.search input { flex: 1; }
.pager { display: flex; gap: 12px; align-items: center; margin-top: 16px; }
.diff-cell { font-family: monospace; font-size: .82rem; }