:root {
    --bg: #0e1116;
    --panel: #161b22;
    --panel-2: #1c232c;
    --border: #2a323d;
    --text: #e6edf3;
    --muted: #8b98a5;
    --blue: #3b82f6;
    --green: #22c55e;
    --red: #ef4444;
    --amber: #f59e0b;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Vazirmatn, "Segoe UI", Tahoma, "Iranian Sans", sans-serif;
    font-size: 15px;
    line-height: 1.8;
    direction: rtl;
}

a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- layout */

.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--panel);
    border-left: 1px solid var(--border);
    padding: 20px 14px;
    flex-shrink: 0;
}

.brand {
    font-size: 18px;
    font-weight: 700;
    padding: 4px 10px 18px;
    display: block;
    color: var(--text);
}
.brand small { display: block; font-size: 12px; color: var(--muted); font-weight: 400; }

.nav a {
    display: block;
    padding: 9px 12px;
    border-radius: 9px;
    color: var(--muted);
    margin-bottom: 3px;
}
.nav a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--blue); color: #fff; }

.sidebar-footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--muted);
}

.main { flex: 1; padding: 26px 30px 60px; max-width: 1100px; }

h1 { font-size: 22px; margin: 0 0 22px; }
h2 { font-size: 17px; margin: 26px 0 12px; }

/* ----------------------------------------------------------------- cards */

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    margin-bottom: 16px;
}
.card h2 { margin-top: 0; }

.grid { display: grid; gap: 14px; }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat .num { font-size: 26px; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 13px; }

/* ---------------------------------------------------------------- forms */

label { display: block; margin-bottom: 6px; font-size: 13px; color: var(--muted); }

input[type=text], input[type=number], input[type=password], input[type=file],
textarea, select {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 9px;
    padding: 9px 11px;
    font-family: inherit;
    font-size: 14px;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--blue); }
textarea { min-height: 160px; resize: vertical; line-height: 1.9; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 160px; }

.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; margin-bottom: 8px; }
.check input { width: 16px; height: 16px; accent-color: var(--blue); }

.hint { color: var(--muted); font-size: 12.5px; margin-top: 5px; }

/* --------------------------------------------------------------- buttons */

.btn {
    display: inline-block;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 9px;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
}
.btn:hover { border-color: var(--blue); text-decoration: none; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.success { background: var(--green); border-color: var(--green); color: #06240f; }
.btn.danger  { background: var(--red);  border-color: var(--red);  color: #fff; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 5px 11px; font-size: 13px; }
.actions { display: flex; gap: 9px; flex-wrap: wrap; align-items: center; }

/* ---------------------------------------------------------------- tables */

table { width: 100%; border-collapse: collapse; }
th, td { text-align: right; padding: 11px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-size: 13px; font-weight: 500; }
tr:last-child td { border-bottom: none; }

.badge {
    display: inline-block; padding: 2px 9px; border-radius: 20px;
    font-size: 12px; background: var(--panel-2); color: var(--muted);
}
.badge.blue  { background: rgba(59,130,246,.15); color: #93c5fd; }
.badge.green { background: rgba(34,197,94,.15);  color: #86efac; }
.badge.red   { background: rgba(239,68,68,.15);  color: #fca5a5; }
.badge.amber { background: rgba(245,158,11,.15); color: #fcd34d; }

/* ----------------------------------------------------------------- tabs */

.tabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.tabs a {
    padding: 7px 14px; border-radius: 20px; color: var(--muted);
    background: var(--panel); border: 1px solid var(--border); font-size: 13.5px;
}
.tabs a.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.tabs a:hover { text-decoration: none; }

/* ---------------------------------------------------------------- alerts */

.alert { padding: 11px 15px; border-radius: 9px; margin-bottom: 16px; font-size: 14px; }
.alert.ok  { background: rgba(34,197,94,.12);  border: 1px solid rgba(34,197,94,.35); }
.alert.err { background: rgba(239,68,68,.12); border: 1px solid rgba(239,68,68,.35); }

/* --------------------------------------------------- glass button editor */

.btn-row {
    display: grid;
    grid-template-columns: 1.4fr 0.9fr 1.6fr auto auto auto auto;
    gap: 8px;
    align-items: center;
    padding: 10px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 8px;
}
.btn-row input, .btn-row select { padding: 7px 9px; font-size: 13px; }

.swatches { display: flex; gap: 5px; }
.swatch {
    width: 26px; height: 26px; border-radius: 50%; cursor: pointer;
    border: 2px solid transparent; display: inline-block;
}
.swatch.on { border-color: #fff; }
.swatch[data-style=primary] { background: var(--blue); }
.swatch[data-style=success] { background: var(--green); }
.swatch[data-style=danger]  { background: var(--red); }
.swatch[data-style=""]      { background: var(--border); }

.row-num { width: 52px; }

/* --------------------------------------------------------------- preview */

.tg-preview {
    background: #17212b;
    border-radius: 12px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.9;
    max-height: 340px;
    overflow: auto;
}
.tg-buttons { display: flex; flex-direction: column; gap: 5px; margin-top: 10px; }
.tg-buttons .tg-line { display: flex; gap: 5px; }
.tg-btn {
    flex: 1; text-align: center; padding: 8px; border-radius: 8px;
    background: #2b5278; color: #fff; font-size: 13px;
}
.tg-btn.primary { background: var(--blue); }
.tg-btn.success { background: var(--green); color: #06240f; }
.tg-btn.danger  { background: var(--red); }

.banner-thumb {
    width: 100%; height: 120px; object-fit: cover;
    border-radius: 9px; background: var(--panel-2); display: block;
}

/* -------------------------------------------------------------- centered */

.centered {
    min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px;
}
.centered .card { max-width: 460px; width: 100%; }

code, .mono {
    background: var(--panel-2); padding: 2px 6px; border-radius: 5px;
    font-family: "Cascadia Code", Consolas, monospace; font-size: 13px;
    direction: ltr; display: inline-block;
}

@media (max-width: 860px) {
    .layout { flex-direction: column; }
    .sidebar { width: auto; border-left: none; border-bottom: 1px solid var(--border); }
    .nav { display: flex; flex-wrap: wrap; gap: 4px; }
    .nav a { margin: 0; }
    .main { padding: 18px 14px 50px; }
    .grid.cols-4, .grid.cols-3, .grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
    .btn-row { grid-template-columns: 1fr 1fr; }
}