:root {
    /* এখানে Primary Brand Color পরিবর্তন করুন */
    --primary-color: #000000;
    /* এখানে Secondary Color পরিবর্তন করুন */
    --secondary-color: #000000;
    /* এখানে Background Color পরিবর্তন করুন */
    --background-color: #ffffff;
    /* এখানে Text Color পরিবর্তন করুন */
    --text-color: #111111;
    /* এখানে Border Radius পরিবর্তন করুন */
    --border-radius: 12px;
    --muted: #6b7280; --line: #e5e7eb; --soft: #f7f7f8;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans Bengali", sans-serif; color: var(--text-color); background: var(--soft); line-height: 1.5; }
a { color: var(--primary-color); }
.sidebar { position: fixed; inset: 0 auto 0 0; width: 230px; background: var(--background-color); border-right: 1px solid var(--line); padding: 20px 14px; overflow-y: auto; z-index: 20; }
.brand { margin-bottom: 18px; } .brand small { display: block; color: var(--muted); } .logo-text { font-weight: 800; font-size: 20px; letter-spacing: .5px; } .logo-img { max-height: 36px; }
.sidebar nav a { display: block; padding: 9px 12px; border-radius: 10px; text-decoration: none; color: var(--text-color); margin-bottom: 2px; }
.sidebar nav a:hover { background: var(--soft); } .sidebar nav a.on { background: var(--primary-color); color: #fff; }
.main { margin-left: 230px; padding: 28px; max-width: 1200px; }
.burger { display: none; position: fixed; top: 10px; left: 10px; z-index: 30; border: 1px solid var(--line); background: #fff; border-radius: 10px; font-size: 20px; padding: 4px 10px; }
.card { background: var(--background-color); border: 1px solid var(--line); border-radius: var(--border-radius); padding: 18px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.stats { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin-bottom: 18px; }
.stat b { font-size: 28px; display: block; } .muted { color: var(--muted); font-size: 14px; }
.between { display: flex; justify-content: space-between; align-items: center; gap: 8px; } .row { display: flex; gap: 8px; } .wrap { flex-wrap: wrap; margin-top: 10px; } .center { text-align: center; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; margin: 10px 0; font-size: 14px; } .kv span { color: var(--muted); }
.btn { display: inline-block; border: 1px solid var(--primary-color); background: var(--primary-color); color: #fff; padding: 10px 18px; border-radius: 10px; cursor: pointer; text-decoration: none; font-size: 15px; }
.btn.sm { padding: 5px 10px; font-size: 13px; } .btn.ghost { background: transparent; color: var(--text-color); border-color: var(--line); } .btn.danger { background: #b91c1c; border-color: #b91c1c; } .btn:disabled { opacity: .5; cursor: wait; }
input, select, textarea { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; font-size: 15px; background: #fff; margin: 4px 0 12px; font-family: inherit; }
label { font-weight: 600; font-size: 14px; }
.badge { padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.b-green { background: #dcfce7; color: #166534; } .b-red { background: #fee2e2; color: #991b1b; } .b-yellow { background: #fef9c3; color: #854d0e; } .b-orange { background: #ffedd5; color: #9a3412; } .b-gray { background: #f3f4f6; color: #374151; }
.warn { background: #fff7ed; color: #9a3412; border-radius: 8px; padding: 6px 10px; font-size: 13px; }
.notice { background: #fffbeb; border: 1px solid #fde68a; border-radius: var(--border-radius); padding: 14px; margin-bottom: 16px; white-space: pre-line; }
table { width: 100%; border-collapse: collapse; font-size: 14px; } th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; } .scroll { overflow-x: auto; }
pre.logs { background: #0b0b0c; color: #e5e7eb; padding: 14px; border-radius: var(--border-radius); max-height: 420px; overflow: auto; font-size: 13px; white-space: pre-wrap; }
.toasts { position: fixed; top: 14px; right: 14px; z-index: 50; display: grid; gap: 8px; max-width: 340px; }
.toast { background: #111; color: #fff; padding: 12px 16px; border-radius: 10px; box-shadow: 0 4px 14px rgba(0,0,0,.2); } .t-ok { background: #166534; } .t-err { background: #991b1b; }
.modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); align-items: center; justify-content: center; z-index: 60; } .modal.open { display: flex; } .modal-box { background: #fff; padding: 22px; border-radius: var(--border-radius); max-width: 380px; width: 90%; }
.auth { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; } .auth-box { width: 100%; max-width: 420px; }
.steps { display: flex; gap: 6px; margin-bottom: 16px; } .steps i { flex: 1; height: 6px; border-radius: 4px; background: var(--line); } .steps i.on { background: var(--primary-color); }
.step { display: none; } .step.on { display: block; }
.drop { border: 2px dashed var(--line); border-radius: var(--border-radius); padding: 18px; text-align: center; margin-bottom: 12px; } .drop.over { border-color: var(--primary-color); background: var(--soft); }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; } .tabs a { padding: 6px 14px; border-radius: 999px; text-decoration: none; background: #fff; border: 1px solid var(--line); color: var(--text-color); } .tabs a.on { background: var(--primary-color); color: #fff; }
.empty { text-align: center; padding: 40px 10px; color: var(--muted); }
@media (max-width: 860px) { .sidebar { transform: translateX(-100%); transition: transform .2s; } .sidebar.open { transform: none; } .main { margin-left: 0; padding: 60px 14px 20px; } .burger { display: block; } }