:root {
  --green: #0f7b4f;
  --green-dark: #0a5c3a;
  --red: #c0392b;
  --amber: #d68910;
  --bg: #f4f6f8;
  --card: #ffffff;
  --line: #e3e8ee;
  --text: #1f2a36;
  --muted: #6b7684;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", Tahoma, "Noto Kufi Arabic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

header {
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  color: #fff;
  padding: 16px 24px;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
header h1 { font-size: 22px; margin-bottom: 12px; }

nav { display: flex; gap: 8px; flex-wrap: wrap; }
nav button {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: none;
  padding: 9px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 15px;
  transition: background .15s;
}
nav button:hover { background: rgba(255,255,255,.28); }
nav button.active { background: #fff; color: var(--green-dark); font-weight: 700; }

main { padding: 24px; max-width: 1200px; margin: 0 auto; }

/* بطاقات الملخص */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card {
  background: var(--card);
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  border: 1px solid var(--line);
}
.card .label { color: var(--muted); font-size: 14px; }
.card .value { font-size: 28px; font-weight: 700; margin-top: 6px; }
.card.red .value { color: var(--red); }
.card.green .value { color: var(--green); }
.card.amber .value { color: var(--amber); }

/* الجداول */
.section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 12px; }
.section-head h2 { font-size: 20px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: 12px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.06); }
th, td { padding: 12px 14px; text-align: right; border-bottom: 1px solid var(--line); font-size: 14px; }
th { background: #f0f4f7; color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #fafcfd; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 13px; font-weight: 600; }
.badge.pos { background: #fdecea; color: var(--red); }
.badge.zero { background: #e8f5ee; color: var(--green); }
.badge.neg { background: #fef5e7; color: var(--amber); }
.badge.gray { background: #eef1f4; color: var(--muted); }

button.btn {
  background: var(--green); color: #fff; border: none;
  padding: 9px 18px; border-radius: 8px; cursor: pointer; font-size: 14px; transition: background .15s;
}
button.btn:hover { background: var(--green-dark); }
button.btn.sm { padding: 5px 12px; font-size: 13px; }
button.btn.ghost { background: #eef1f4; color: var(--text); }
button.btn.danger { background: var(--red); }
.row-actions { display: flex; gap: 6px; }

/* النموذج */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--muted); }
.field input, .field select, .field textarea {
  padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--green); border-color: var(--green); }

/* النافذة المنبثقة */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: flex-start; justify-content: center; padding: 40px 16px; z-index: 100; overflow-y: auto; }
.modal-overlay.hidden { display: none; }
.modal { background: #fff; border-radius: 14px; width: 100%; max-width: 640px; box-shadow: 0 12px 40px rgba(0,0,0,.25); }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.modal-header h3 { font-size: 18px; }
#modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--muted); }
#modal-body { padding: 22px; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; justify-content: flex-start; }

/* شريط تحذير النسخة — مقلّم بارز حتى يستحيل الخلط بين الاختبار والإنتاج */
.instance-banner {
  position: sticky; top: 0; z-index: 200;
  background: repeating-linear-gradient(45deg, #d68910, #d68910 12px, #b8760d 12px, #b8760d 24px);
  color: #fff; text-align: center; padding: 7px 14px;
  font-size: 14px; font-weight: 700; letter-spacing: .5px;
  box-shadow: 0 2px 6px rgba(0,0,0,.2);
}
body.has-banner .login-screen { padding-top: 56px; }

/* تسجيل الدخول */
.login-screen { position: fixed; inset: 0; background: linear-gradient(135deg, var(--green), var(--green-dark)); display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-box { background: #fff; border-radius: 16px; padding: 34px; width: 100%; max-width: 380px; box-shadow: 0 16px 50px rgba(0,0,0,.3); }
.login-box h2 { font-size: 26px; text-align: center; color: var(--green-dark); }
.login-box > p { text-align: center; margin-bottom: 22px; }
.login-box .field { margin-bottom: 14px; }
.login-box .btn { width: 100%; padding: 12px; font-size: 16px; margin-top: 6px; }
.login-error { background: #fdecea; color: var(--red); padding: 10px 12px; border-radius: 8px; font-size: 14px; margin-bottom: 10px; }
.hidden { display: none !important; }

/* شريط المستخدم */
.header-top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
#user-area { display: flex; align-items: center; gap: 10px; font-size: 14px; }
#user-area .who { background: rgba(255,255,255,.15); padding: 6px 14px; border-radius: 20px; }
#user-area button { background: rgba(255,255,255,.15); color: #fff; border: none; padding: 6px 14px; border-radius: 20px; cursor: pointer; font-size: 13px; font-family: inherit; }
#user-area button:hover { background: rgba(255,255,255,.3); }

/* القائمة الفرعية */
.subnav { background: #fff; border-bottom: 1px solid var(--line); padding: 0 24px; display: flex; gap: 4px; overflow-x: auto; }
.subnav:empty { display: none; }
.subnav button {
  background: none; border: none; border-bottom: 3px solid transparent; color: var(--muted);
  padding: 12px 16px; cursor: pointer; font-size: 14px; font-family: inherit; white-space: nowrap;
}
.subnav button:hover { color: var(--green); }
.subnav button.active { color: var(--green-dark); border-bottom-color: var(--green); font-weight: 700; }

/* بوابة الصفحة الرئيسية */
.portal { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.portal-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 22px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06); cursor: pointer; transition: transform .12s, box-shadow .12s;
}
.portal-card:hover { transform: translateY(-3px); box-shadow: 0 8px 22px rgba(0,0,0,.11); border-color: var(--green); }
.portal-card h3 { font-size: 19px; margin-bottom: 4px; color: var(--green-dark); }
.portal-card .sub { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.portal-stats { display: flex; gap: 20px; flex-wrap: wrap; }
.portal-stat .n { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.portal-stat .l { font-size: 12px; color: var(--muted); }

/* صناديق التنبيه */
.warn-box, .ok-box {
  border: 1px solid var(--amber); background: #fef5e7; border-radius: 10px;
  padding: 12px 16px; font-size: 14px; margin-bottom: 4px;
}
.ok-box { border-color: var(--green); background: #e8f5ee; }

/* شريط الفلترة */
.filter-bar { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }
.filter-bar select, .filter-bar input {
  padding: 8px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
.filter-bar input { flex: 1; min-width: 180px; }

/* أزرار مجموعة (الفترة / الأساس) */
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fff; }
.seg button {
  background: none; border: none; padding: 8px 13px; cursor: pointer; font-size: 13px;
  font-family: inherit; color: var(--muted); border-inline-start: 1px solid var(--line);
}
.seg button:first-child { border-inline-start: none; }
.seg button:hover { background: #f0f4f7; }
.seg button.active { background: var(--green); color: #fff; font-weight: 700; }

/* قائمة الأرباح والخسائر */
tr.pnl-head td { background: #eef4f8; font-weight: 700; color: var(--green-dark); font-size: 14px; }
tr.pnl-total td { background: #f7f9fb; font-weight: 700; }
tr.pnl-profit td { background: #e8f5ee; font-weight: 700; font-size: 15px; border-top: 2px solid var(--green); }

/* شريط نسبي للمقارنة */
.bar { background: #eef1f4; border-radius: 4px; height: 8px; overflow: hidden; }
.bar-fill { background: var(--green); height: 100%; border-radius: 4px; }

/* شبكة الصلاحيات */
.perm-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 6px; }
.perm-item { display: flex; align-items: center; gap: 8px; background: #f7f9fb; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; cursor: pointer; font-size: 13px; }
.perm-item:hover { background: #eef4f8; }
.perm-item input { width: 16px; height: 16px; accent-color: var(--green); cursor: pointer; }
.preset-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 4px; }
.preset-row button { background: #eef1f4; border: 1px solid var(--line); border-radius: 20px; padding: 5px 12px; font-size: 12px; cursor: pointer; font-family: inherit; }
.preset-row button:hover { background: var(--green); color: #fff; border-color: var(--green); }

.empty { text-align: center; padding: 40px; color: var(--muted); }
.muted { color: var(--muted); font-size: 13px; }
.num { font-variant-numeric: tabular-nums; font-weight: 600; }
.link { color: var(--green); cursor: pointer; text-decoration: underline; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } main { padding: 14px; } }