/* ==========================================================
   نظام المبيعات متعدد الفروع — Design tokens + الأساسيات
   كل الألوان والمسافات من هنا. أي تعديل على الهوية يبدأ من :root
   ========================================================== */

:root {
    /* الألوان الأساسية */
    --color-primary:        #0F766E;   /* تيل — الأزرار والتأكيد */
    --color-primary-hover:  #0D5F59;
    --color-primary-soft:   #E6F4F1;
    --color-accent:         #F59E0B;   /* كهرماني — إبراز (أوكازيون، إحصائيات ثانوية) */

    /* حالات */
    --color-success:       #15803D;
    --color-success-soft:  #DCFCE7;
    --color-warning:       #B45309;
    --color-warning-soft:  #FEF3C7;
    --color-danger:        #B91C1C;
    --color-danger-soft:   #FEE2E2;

    /* النصوص والخلفيات */
    --color-text:          #1F2937;
    --color-text-muted:    #6B7280;
    --color-border:        #E5E7EB;
    --color-surface:       #FFFFFF;
    --color-bg:            #F5F7F8;

    /* الشريط الجانبي */
    --color-sidebar:       #0F3D3A;
    --color-sidebar-text:  #D1E7E4;

    /* الشكل */
    --radius-sm: 6px;
    --radius:    10px;
    --shadow:    0 1px 2px rgba(0, 0, 0, .06), 0 1px 3px rgba(0, 0, 0, .08);
    --font:      'Cairo', 'Segoe UI', Tahoma, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.3; }
p { margin: 0 0 .5rem; }
.muted { color: var(--color-text-muted); }
.icon { vertical-align: middle; flex-shrink: 0; }
.stack { display: flex; flex-direction: column; gap: 14px; }

/* ---------- الهيكل ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 248px;
    background: var(--color-sidebar);
    color: var(--color-sidebar-text);
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: 0;
    height: 100vh;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    padding: 6px 10px;
}
.brand .icon { color: var(--color-accent); }

.nav { display: flex; flex-direction: column; gap: 4px; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--color-sidebar-text);
    font-weight: 600;
}
.nav-link:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.nav-link.is-active { background: var(--color-primary); color: #fff; }
/* روابط تقارير القسم تحت مجموعته في القائمة */
.nav-link.nav-sub { padding-inline-start: 28px; font-size: .88em; opacity: .9; }
.nav-link.nav-sub svg { width: 14px; height: 14px; }

/* شاشة تعديل الأصناف الجماعي */
.bulk-table input.input, .bulk-table select.input { min-width: 90px; padding: 4px 6px; }
.bulk-table td.name-col input.input { min-width: 220px; }
.bulk-table tr.is-dirty td { background: rgba(255, 193, 7, .12); }
.edit-bar { position: sticky; bottom: 0; display: flex; gap: 12px; align-items: center; padding: 10px 16px; background: var(--color-surface, #fff); border-top: 1px solid var(--color-border, #ddd); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 14px 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}
.topbar-title { font-weight: 700; font-size: 18px; }
.user-box { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--color-text-muted); }

.content { padding: 24px; display: flex; flex-direction: column; gap: 18px; }

/* ---------- العناصر ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
}
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.table-card { padding: 0; overflow: hidden; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: none;
    color: inherit;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-ghost { border-color: var(--color-border); background: var(--color-surface); color: var(--color-text); }
.btn-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-danger { background: var(--color-danger-soft); color: var(--color-danger); }
.btn-danger:hover { background: #FECACA; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; }

.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
    padding: 12px 14px;
    text-align: right;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}
.table th { background: var(--color-bg); font-size: 13px; color: var(--color-text-muted); font-weight: 600; }
.table tr:hover td { background: #FAFBFC; }
.actions { display: flex; gap: 6px; align-items: center; }
.actions form { margin: 0; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-success { background: var(--color-success-soft); color: var(--color-success); }
.badge-muted   { background: #F3F4F6; color: var(--color-text-muted); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; }
.field-check { justify-content: flex-end; }
.field-check label { display: flex; gap: 8px; align-items: center; font-weight: 500; }
.input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
    background: #fff;
    color: var(--color-text);
    width: 100%;
}
.input:focus { outline: 2px solid var(--color-primary-soft); border-color: var(--color-primary); }
.form-actions { grid-column: 1 / -1; display: flex; gap: 10px; }

.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 14px; border: 1px solid transparent; }
.alert-success { background: var(--color-success-soft); color: var(--color-success); border-color: #BBF7D0; }
.alert-danger  { background: var(--color-danger-soft);  color: var(--color-danger);  border-color: #FECACA; }
.alert-warning { background: var(--color-warning-soft); color: var(--color-warning); border-color: #FDE68A; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.stat {
    background: var(--color-surface);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-inline-start: 4px solid var(--color-primary);
}
.stat-accent { border-inline-start-color: var(--color-accent); }
.stat-label { color: var(--color-text-muted); font-size: 14px; }
.stat-value { font-size: 30px; font-weight: 700; }

/* ---------- الصلاحيات ---------- */
.perm-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.perm-group { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 12px; }
.perm-group-title { font-weight: 700; margin-bottom: 6px; color: var(--color-primary); }
.perm-item { display: flex; gap: 8px; align-items: center; padding: 4px 0; font-size: 14px; }

/* ---------- صفحة الدخول ---------- */
.guest-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--color-sidebar), var(--color-primary));
}
.guest-wrap .content { width: 100%; max-width: 400px; }
.login-card .brand { color: var(--color-text); padding: 0 0 12px; }
.login-card .brand .icon { color: var(--color-primary); }

/* ---------- المرحلة 2: الأصناف والباركود ---------- */
.badge-warning { background: var(--color-warning-soft); color: var(--color-warning); }   /* أوكازيون شغّال */
.badge-info    { background: #E0F2FE; color: #0369A1; }                                  /* أوكازيون قادم */
.small { font-size: 13px; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; background: #F3F4F6; padding: 1px 6px; border-radius: 4px; }
.empty { text-align: center; color: var(--color-text-muted); padding: 28px !important; }
.price-offer { color: var(--color-warning); }

.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.filter-bar .input { width: auto; min-width: 150px; flex: 1 1 150px; }

.bulk-bar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 12px 16px; background: var(--color-primary-soft); border-radius: var(--radius); }
.copies { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; }
.input-sm { width: 80px; padding: 6px 8px; }

.pagination { display: flex; gap: 12px; align-items: center; justify-content: center; }

.inline-add { display: flex; gap: 10px; flex-wrap: wrap; }
.inline-add .input { max-width: 340px; }
.inline-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 0; }
.inline-row .input { max-width: 300px; padding: 6px 10px; }
.check-inline { display: inline-flex; gap: 6px; align-items: center; font-size: 14px; }

.form-section { border: 1px solid var(--color-border); border-radius: var(--radius); padding: 16px; margin: 0 0 16px; }
.form-section legend { font-weight: 700; color: var(--color-primary); padding: 0 6px; }
.item-form textarea.input { resize: vertical; }

.offer-box { margin-top: 16px; padding: 14px; border: 1px dashed var(--color-accent); background: #FFFBEB; border-radius: var(--radius-sm); }
.offer-title { font-weight: 700; color: var(--color-warning); margin-bottom: 4px; }

.rules { margin: 8px 0 0; padding-inline-start: 20px; color: var(--color-text); }
.rules li { margin-bottom: 4px; font-size: 14px; }
.error-list li { color: var(--color-danger); }

/* ---------- موبايل ---------- */
@media (max-width: 820px) {
    .app-shell { flex-direction: column; }
    .sidebar { width: auto; height: auto; position: static; flex-direction: row; flex-wrap: wrap; align-items: center; }
    .nav { flex-direction: row; flex-wrap: wrap; }
    .content { padding: 16px; }
}

/* ---------- المرحلة 6: شاشة البيع ---------- */
.pos-grid { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 16px; align-items: start; }
.pos-scan label { display: block; font-weight: 600; margin-bottom: 8px; }
.pos-scan .inline-row { display: flex; gap: 8px; }
.pos-scan .input { flex: 1; font-size: 1.15rem; }
.pos-checkout .field { margin-bottom: 12px; }
.pos-total { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; margin-bottom: 12px; border-bottom: 1px solid var(--border, #e5e7eb); }
.pos-total strong { font-size: 1.8rem; }
@media (max-width: 900px) {
    .pos-grid { grid-template-columns: 1fr; }
}

/* ---------- المرحلة 8: التقارير والإحصائيات ---------- */
.report-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.report-card { display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: inherit; }
.report-card:hover { border-color: var(--accent, #2563eb); }
.chart-columns { display: flex; align-items: flex-end; gap: 6px; height: 220px; padding-top: 8px; overflow-x: auto; }
.chart-col { flex: 1 0 28px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; min-width: 28px; }
.chart-bar { width: 100%; background: var(--accent, #2563eb); border-radius: 4px 4px 0 0; min-height: 2px; }
.chart-value { font-size: 11px; margin-bottom: 4px; }
.chart-label { font-size: 11px; margin-top: 4px; color: var(--muted, #6b7280); }
.hbar { margin-bottom: 10px; }
.hbar-head { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; margin-bottom: 4px; }
.hbar-track { background: var(--track, #e5e7eb); border-radius: 6px; height: 12px; overflow: hidden; }
.hbar-fill { height: 100%; background: var(--accent, #2563eb); border-radius: 6px; }
.hbar-fill.is-negative { background: #b91c1c; }


/* ---------- ترتيب القائمة الجانبية ---------- */
.nav-group {
    margin: 14px 12px 4px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, .12);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .3px;
    color: var(--color-accent);
}

/* ---------- شاشة البيع الذكية ---------- */
.pos-invno { background: var(--color-primary-soft); color: var(--color-primary); padding: 4px 12px; border-radius: 999px; font-size: 14px; }
.pos-search { position: relative; }
.pos-results {
    position: absolute; inset-inline: 0; top: 100%; z-index: 30; margin-top: 4px;
    background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0, 0, 0, .12); max-height: 340px; overflow-y: auto;
}
.pos-res { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; cursor: pointer; border-bottom: 1px solid var(--color-border); }
.pos-res:last-child { border-bottom: 0; }
.pos-res:hover, .pos-res.is-active { background: var(--color-primary-soft); }
.pos-res-meta { white-space: nowrap; font-size: 13px; }
.pos-sub { display: flex; justify-content: space-between; font-size: 13px; color: var(--color-text-muted); margin: -4px 0 12px; }
.qty-ctl { display: flex; align-items: center; gap: 4px; }
.qty-ctl .qty-in { width: 70px; text-align: center; }
kbd { background: rgba(0, 0, 0, .15); border-radius: 4px; padding: 0 6px; font-size: 12px; margin-inline-start: 6px; font-family: inherit; }
.print-frame { position: fixed; width: 0; height: 0; border: 0; right: 0; bottom: 0; visibility: hidden; }

/* ---------- فاتورة الشراء الذكية ---------- */
.smart-lines .input-sm { width: 100%; min-width: 70px; }
.smart-lines .qty-in, .smart-lines .cost-in { width: 90px; }
.sum-bar { display: flex; flex-wrap: wrap; gap: 24px; align-items: baseline; padding: 12px 0; }
.sum-bar strong { font-size: 1.5rem; }

/* ---------- كشف الحساب التفصيلي ---------- */
.st-doc td { background: #f9fafb; font-weight: 600; }
.st-line td { font-size: 13px; color: var(--color-text-muted); }
.st-line td:first-child { padding-inline-start: 28px; }
.st-sum { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.st-sum .box { border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 10px 14px; }
.st-sum .box b { display: block; font-size: 1.2rem; }
@media print {
    .sidebar, .topbar, .no-print, .filter-bar, .page-head { display: none !important; }
    .app-shell { display: block; }
    .card { box-shadow: none; border: 0; }
    body { background: #fff; }
}