/* ============================================================
   License Manager — پنل مدیریت | تم مدرن، مینیمال و ریسپانسیو (RTL)
   ============================================================ */
:root {
    --bg: #0f172a;
    --bg-soft: #1e293b;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --border: #e2e8f0;
    --text: #0f172a;
    --text-soft: #64748b;
    --muted: #94a3b8;
    --primary: #4f46e5;
    --primary-600: #4338ca;
    --primary-soft: #eef2ff;
    --success: #16a34a;
    --success-soft: #dcfce7;
    --warning: #d97706;
    --warning-soft: #fef3c7;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --info: #0891b2;
    --info-soft: #cffafe;
    --radius: 14px;
    --radius-sm: 9px;
    --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
    --shadow-lg: 0 10px 30px rgba(15, 23, 42, .12);
    --sidebar-w: 264px;
    --font: "Vazirmatn", "Segoe UI", Tahoma, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: var(--font);
    background: var(--surface-2);
    color: var(--text);
    font-size: 14px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-600); }

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

.sidebar {
    width: var(--sidebar-w);
    background: var(--bg);
    color: #cbd5e1;
    position: fixed;
    inset-inline-start: 0;
    top: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 40;
    transition: transform .25s ease;
}
.sidebar__brand {
    padding: 22px 22px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(148, 163, 184, .12);
}
.sidebar__logo {
    width: 40px; height: 40px; border-radius: 11px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 18px;
    box-shadow: 0 6px 16px rgba(79, 70, 229, .4);
}
.sidebar__title { font-weight: 700; color: #fff; font-size: 15px; }
.sidebar__version { font-size: 11px; color: var(--muted); }

.sidebar__nav { padding: 14px 12px; overflow-y: auto; flex: 1; }
.nav-group__label {
    font-size: 11px; color: #64748b; text-transform: uppercase;
    letter-spacing: .06em; padding: 14px 12px 6px; font-weight: 700;
}
.nav-link {
    display: flex; align-items: center; gap: 11px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    color: #cbd5e1; font-weight: 500; margin-bottom: 2px;
    transition: background .15s, color .15s;
}
.nav-link:hover { background: rgba(148, 163, 184, .1); color: #fff; }
.nav-link.active {
    background: linear-gradient(90deg, rgba(79, 70, 229, .25), rgba(79, 70, 229, .05));
    color: #fff;
    box-shadow: inset 3px 0 0 var(--primary);
}
.nav-link svg { width: 19px; height: 19px; flex-shrink: 0; opacity: .9; }
.nav-link .badge-count {
    margin-inline-start: auto; background: var(--primary); color: #fff;
    font-size: 11px; padding: 1px 8px; border-radius: 20px;
}

.main {
    flex: 1;
    margin-inline-start: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.topbar {
    height: 64px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 14px;
    padding: 0 22px;
    position: sticky; top: 0; z-index: 30;
}
.topbar__toggle {
    display: none; background: none; border: none; cursor: pointer;
    color: var(--text); padding: 6px; border-radius: 8px;
}
.topbar__title { font-size: 17px; font-weight: 700; }
.topbar__spacer { flex: 1; }
.topbar__user {
    display: flex; align-items: center; gap: 10px;
    padding: 6px 12px; border-radius: 30px; background: var(--surface-2);
    border: 1px solid var(--border);
}
.topbar__avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff; display: grid; place-items: center; font-weight: 700; font-size: 13px;
}

.content { padding: 24px; flex: 1; }
@media (min-width: 1400px) { .content { padding: 28px 40px; } }

.page-head { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-bottom: 22px; }
.page-head h1 { font-size: 22px; margin: 0; font-weight: 800; }
.page-head p { margin: 2px 0 0; color: var(--text-soft); }
.page-head__actions { margin-inline-start: auto; display: flex; gap: 10px; flex-wrap: wrap; }

/* ==================== Cards & Grid ==================== */
.grid { display: grid; gap: 18px; }
.grid--stats { grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.card__head {
    padding: 16px 20px; border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 10px;
}
.card__head h2 { font-size: 15px; margin: 0; font-weight: 700; }
.card__head .page-head__actions { margin-inline-start: auto; }
.card__body { padding: 20px; }
.card__body--flush { padding: 0; }

.stat {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.stat__icon {
    width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center;
    margin-bottom: 14px;
}
.stat__icon svg { width: 22px; height: 22px; }
.stat__value { font-size: 28px; font-weight: 800; line-height: 1.1; }
.stat__label { color: var(--text-soft); font-size: 13px; margin-top: 4px; }
.stat--primary .stat__icon { background: var(--primary-soft); color: var(--primary); }
.stat--success .stat__icon { background: var(--success-soft); color: var(--success); }
.stat--warning .stat__icon { background: var(--warning-soft); color: var(--warning); }
.stat--danger .stat__icon { background: var(--danger-soft); color: var(--danger); }
.stat--info .stat__icon { background: var(--info-soft); color: var(--info); }

/* ==================== Tables ==================== */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th, table.data td { padding: 13px 16px; text-align: start; white-space: nowrap; }
table.data thead th {
    background: var(--surface-2); color: var(--text-soft);
    font-weight: 700; font-size: 12.5px; border-bottom: 1px solid var(--border);
}
table.data tbody tr { border-bottom: 1px solid var(--border); transition: background .12s; }
table.data tbody tr:hover { background: var(--surface-2); }
table.data tbody tr:last-child { border-bottom: none; }
.mono { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 12.5px; }

/* ==================== Badges ==================== */
.badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 3px 10px; border-radius: 30px; font-size: 12px; font-weight: 700;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge--success { background: var(--success-soft); color: #15803d; }
.badge--warning { background: var(--warning-soft); color: #b45309; }
.badge--danger { background: var(--danger-soft); color: #b91c1c; }
.badge--muted { background: #f1f5f9; color: #64748b; }
.badge--info { background: var(--info-soft); color: #0e7490; }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 9px 16px; border-radius: var(--radius-sm); font-weight: 600; font-size: 13.5px;
    border: 1px solid transparent; cursor: pointer; font-family: var(--font);
    transition: background .15s, box-shadow .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn svg { width: 17px; height: 17px; }
.btn--primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(79,70,229,.25); }
.btn--primary:hover { background: var(--primary-600); color: #fff; }
.btn--light { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn--light:hover { background: var(--surface-2); }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { background: #b91c1c; color: #fff; }
.btn--success { background: var(--success); color: #fff; }
.btn--warning { background: var(--warning); color: #fff; }
.btn--sm { padding: 6px 11px; font-size: 12.5px; }
.btn--block { width: 100%; }
.btn--ghost { background: transparent; color: var(--text-soft); }
.btn--ghost:hover { background: var(--surface-2); color: var(--text); }

.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* ==================== Forms ==================== */
.form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.field { display: flex; flex-direction: column; gap: 6px; }
.field--full { grid-column: 1 / -1; }
.field label { font-weight: 600; font-size: 13px; color: var(--text); }
.field .hint { font-size: 12px; color: var(--muted); }
.input, .select, .textarea {
    width: 100%; padding: 10px 13px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-family: var(--font); font-size: 13.5px; background: var(--surface); color: var(--text);
    transition: border-color .15s, box-shadow .15s;
}
.input:focus, .select:focus, .textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
.textarea { min-height: 110px; resize: vertical; line-height: 1.8; }

/* ==================== Alerts / Flash ==================== */
.flash-stack { position: fixed; top: 78px; inset-inline-end: 24px; z-index: 60; display: flex; flex-direction: column; gap: 10px; max-width: 380px; }
.alert {
    padding: 13px 16px; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 500;
    box-shadow: var(--shadow-lg); display: flex; gap: 10px; align-items: flex-start;
    background: var(--surface); border: 1px solid var(--border); animation: slideIn .3s ease;
}
.alert--success { border-inline-start: 4px solid var(--success); }
.alert--error { border-inline-start: 4px solid var(--danger); }
.alert--info { border-inline-start: 4px solid var(--info); }
@keyframes slideIn { from { opacity: 0; transform: translateX(-16px); } to { opacity: 1; transform: none; } }

.notice {
    padding: 13px 16px; border-radius: var(--radius-sm); font-size: 13.5px;
    display: flex; gap: 10px; align-items: flex-start; margin-bottom: 18px;
}
.notice--warning { background: var(--warning-soft); color: #92400e; }
.notice--info { background: var(--info-soft); color: #155e75; }
.notice--danger { background: var(--danger-soft); color: #991b1b; }

/* ==================== Auth ==================== */
.auth-wrap {
    min-height: 100vh; display: grid; place-items: center; padding: 24px;
    background: radial-gradient(circle at 30% 20%, #1e293b, #0f172a);
}
.auth-card {
    width: 100%; max-width: 400px; background: var(--surface);
    border-radius: 20px; box-shadow: var(--shadow-lg); padding: 36px 32px;
}
.auth-card__brand { text-align: center; margin-bottom: 26px; }
.auth-card__brand .sidebar__logo { margin: 0 auto 14px; width: 54px; height: 54px; font-size: 24px; }
.auth-card__brand h1 { font-size: 20px; margin: 0; }
.auth-card__brand p { color: var(--text-soft); margin: 6px 0 0; font-size: 13px; }

/* ==================== Misc ==================== */
.empty { text-align: center; padding: 48px 20px; color: var(--muted); }
.empty svg { width: 54px; height: 54px; opacity: .4; margin-bottom: 12px; }
.pagination { display: flex; gap: 6px; justify-content: center; padding: 18px; }
.pagination a, .pagination span {
    padding: 7px 13px; border-radius: 9px; border: 1px solid var(--border);
    background: var(--surface); font-size: 13px; color: var(--text);
}
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

.detail-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.detail-item { padding: 14px 16px; background: var(--surface-2); border-radius: var(--radius-sm); }
.detail-item dt { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.detail-item dd { margin: 0; font-weight: 600; font-size: 14px; }

.key-box {
    display: flex; align-items: center; gap: 10px; background: var(--bg);
    color: #a5f3fc; padding: 14px 16px; border-radius: var(--radius-sm);
    font-family: ui-monospace, monospace; font-size: 15px; letter-spacing: 1px; word-break: break-all;
}
.key-box button { margin-inline-start: auto; }

.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { padding: 12px 0 12px 0; border-bottom: 1px dashed var(--border); display: flex; gap: 12px; }
.timeline li:last-child { border-bottom: none; }
.timeline__dot { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); margin-top: 7px; flex-shrink: 0; }
.timeline__meta { font-size: 12px; color: var(--muted); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; flex-wrap: wrap; }
.tabs a { padding: 10px 16px; font-weight: 600; color: var(--text-soft); border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }

.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; align-items: end; }

/* ==================== Responsive ==================== */
.sidebar__backdrop { display: none; }
@media (max-width: 1024px) {
    .sidebar { transform: translateX(100%); }
    :root { --sidebar-w: 0px; }
    .sidebar.open { transform: none; box-shadow: var(--shadow-lg); }
    .main { margin-inline-start: 0; }
    .topbar__toggle { display: inline-flex; }
    .sidebar { width: 264px; }
    .sidebar.open ~ .sidebar__backdrop,
    .sidebar__backdrop.show { display: block; position: fixed; inset: 0; background: rgba(15,23,42,.5); z-index: 39; }
}
@media (max-width: 560px) {
    .content { padding: 16px; }
    .page-head h1 { font-size: 19px; }
    .topbar__user span { display: none; }
    .stat__value { font-size: 24px; }
}