:root {
    --bg: #f8fafc;
    --card: #ffffff;
    --line: #e5e7eb;
    --text: #111827;
    --muted: #6b7280;
    --primary: #2563eb;
    --primary-soft: #dbeafe;
    --side: #111827;
    --side-text: #cbd5e1;
    --danger: #dc2626;
    --ok: #16a34a;
    --warn: #b45309;
    --radius: 18px;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
    font-family: Vazirmatn, Tahoma, "Segoe UI", sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.7;
    direction: rtl;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

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

.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--side);
    color: var(--side-text);
    padding: 24px 16px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.brand { display: flex; align-items: center; gap: 12px; padding: 0 8px 28px; color: #fff; font-weight: 700; font-size: 20px; }
.brand-logo { width: 44px; height: 44px; border-radius: 14px; background: var(--primary); display: grid; place-items: center; font-size: 22px; }

.nav { display: flex; flex-direction: column; gap: 6px; }
.nav form { margin: 0; }
.nav-item {
    display: block;
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    color: var(--side-text);
    font: inherit;
    text-align: right;
    background: none;
    border: 0;
    cursor: pointer;
}
.nav-item:hover { background: rgba(255, 255, 255, .06); text-decoration: none; }
.nav-item.active { background: var(--primary); color: #fff; box-shadow: 0 10px 24px rgba(37, 99, 235, .35); }

.main { flex: 1; min-width: 0; padding: 20px; }

.topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 28px;
}
.topbar form { margin: 0; }
.spacer { flex: 1; }
.search { flex: 0 1 360px; }
.search input { width: 100%; background: var(--bg); }
.date-chip { background: var(--bg); border-radius: 10px; padding: 4px 12px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.user { display: flex; flex-direction: column; line-height: 1.3; text-align: left; }
.user small { color: var(--primary); font-size: 12px; }
.menu-btn { display: none; }

.content { max-width: 1400px; }

/* ---------- Page heading ---------- */
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head h1 { margin: 0; font-size: 28px; line-height: 1.4; }
.page-head p { margin: 0; color: var(--muted); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- Cards ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.card h2 { margin: 0 0 16px; font-size: 16px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 20px; margin-bottom: 24px; }
.stat { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: inherit; }
.stat:hover { text-decoration: none; border-color: #c7d2fe; }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .num { font-size: 34px; font-weight: 700; line-height: 1.3; }
.stat .sub { font-size: 12px; color: var(--muted); }
.stat-icon { width: 60px; height: 60px; border-radius: 16px; display: grid; place-items: center; font-size: 26px; flex-shrink: 0; }
.c-blue { background: #dbeafe; } .c-green { background: #dcfce7; } .c-amber { background: #fef3c7; }
.c-red { background: #fee2e2; } .c-violet { background: #ede9fe; } .c-cyan { background: #cffafe; } .c-gray { background: #f1f5f9; }

.grid-2 { display: grid; grid-template-columns: 2fr 3fr; gap: 24px; }

.quick { display: flex; flex-direction: column; gap: 10px; }

.recent { list-style: none; margin: 0; padding: 0; }
.recent li { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.recent li:last-child { border-bottom: 0; }
.recent .ico { width: 40px; height: 40px; border-radius: 12px; background: #eff6ff; display: grid; place-items: center; }
.recent small { display: block; color: var(--muted); }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 18px; border-radius: 12px; border: 1px solid transparent;
    font: inherit; cursor: pointer; background: var(--card); color: var(--text); text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(37, 99, 235, .25); }
.btn-primary:hover { background: #1d4ed8; }
.btn-outline { border-color: var(--line); }
.btn-outline:hover { background: var(--bg); }
.btn-danger-outline { border-color: var(--danger); color: var(--danger); }
.btn-danger-outline:hover { background: #fef2f2; }
.btn-sm { padding: 5px 12px; border-radius: 8px; font-size: 13px; }
.icon-btn { background: var(--bg); border: 0; border-radius: 10px; width: 40px; height: 40px; font-size: 18px; cursor: pointer; }

/* ---------- Forms ---------- */
input[type=text], input[type=search], input[type=password], select, textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px;
    font: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary-soft); border-color: var(--primary); }
.ltr { text-align: right; }

.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 20px; }
.field.full { grid-column: 1 / -1; }
.field label { display: block; margin-bottom: 6px; font-weight: 500; }
.field .req { color: var(--danger); }
.field.has-error input, .field.has-error select, .field.has-error textarea { border-color: var(--danger); }
.err { color: var(--danger); font-size: 12px; }
.check { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.check input { width: 18px; height: 18px; }
.form-actions { display: flex; gap: 10px; margin-top: 24px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* ---------- Filters / tabs ---------- */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs a { padding: 6px 16px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--muted); }
.tabs a:hover { text-decoration: none; background: var(--bg); }
.tabs a.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.filters .grow { grid-column: span 2; }

/* ---------- Table ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: right; color: var(--muted); font-weight: 500; font-size: 13px; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
td.main-col a { font-weight: 700; color: var(--text); }
td.act { white-space: nowrap; text-align: left; }
td.act form { display: inline; margin: 0; }
.empty { text-align: center; color: var(--muted); padding: 48px 0; }
.count { color: var(--muted); font-size: 13px; margin-bottom: 8px; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; background: #f1f5f9; color: var(--muted); }
.badge-green { background: #dcfce7; color: var(--ok); }
.badge-amber { background: #fef3c7; color: var(--warn); }

.pager { display: flex; gap: 6px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.pager a { min-width: 36px; height: 36px; display: grid; place-items: center; border-radius: 10px; border: 1px solid var(--line); color: var(--text); background: var(--card); }
.pager a:hover { text-decoration: none; background: var(--bg); }
.pager a.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.dots { display: grid; place-items: center; color: var(--muted); }

.detail { display: grid; grid-template-columns: 200px 1fr; gap: 0; }
.detail dt, .detail dd { margin: 0; padding: 12px 0; border-bottom: 1px solid var(--line); }
.detail dt { color: var(--muted); }
.detail dd { white-space: pre-wrap; word-break: break-word; }

.alert { padding: 12px 16px; border-radius: 12px; margin-bottom: 20px; border: 1px solid; }
.alert-success { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.alert-error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

.tools { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; margin-bottom: 24px; }

/* ---------- Login ---------- */
.login-page { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: var(--side); }
.login-card { width: 100%; max-width: 400px; background: var(--card); border-radius: 24px; padding: 36px 32px; }
.login-card .brand { color: var(--text); padding-bottom: 8px; }
.login-card p { color: var(--muted); margin: 0 0 24px; }
.login-card .field { margin-bottom: 16px; }
.login-card .btn { width: 100%; padding: 12px; }

/* ---------- Responsive ---------- */
.backdrop { display: none; }

@media (max-width: 1000px) {
    .grid-2 { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
    .sidebar { position: fixed; top: 0; right: 0; z-index: 50; transform: translateX(100%); transition: transform .2s; }
    .sidebar.open { transform: none; }
    .backdrop.show { display: block; position: fixed; inset: 0; background: rgba(0, 0, 0, .4); z-index: 40; }
    .menu-btn { display: inline-grid; place-items: center; }
    .main { padding: 12px; }
    .date-chip, .user { display: none; }
    .search { flex: 1; }
    .form-grid { grid-template-columns: 1fr; }
    .filters .grow { grid-column: 1 / -1; }
    .detail { grid-template-columns: 1fr; }
    .detail dt { border-bottom: 0; padding-bottom: 0; }
    .page-head h1 { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}