:root {
  --bg: #f3f5f9;
  --surface: #ffffff;
  --surface-2: #f6f8fb;
  --text: #101828;
  --text-dim: #667085;
  --border: #e4e7ec;
  --primary: #1d4ed8;
  --primary-dark: #1e40af;
  --primary-soft: #e8effe;
  --danger: #dc2626;
  --danger-soft: #fdeaea;
  --warning: #d97706;
  --warning-soft: #fef3e2;
  --success: #16a34a;
  --success-soft: #e9f9ee;
  --gray-soft: #eef1f5;
  --radius: 14px;
  --radius-sm: 10px;
  --sidebar-w: 240px;
  --topbar-h: 60px;
  --shadow: 0 2px 10px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 16px 40px rgba(16, 24, 40, 0.18);
  font-size: 15px;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, "Cairo", system-ui, -apple-system, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
button, input, textarea, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }

#app { min-height: 100vh; display: flex; }

/* ---------- Sidebar ---------- */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: #0f1b3d;
  color: #cdd6f0;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 40;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 18px; font-weight: 800; font-size: 16px; color: #fff;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand .logo { font-size: 22px; }
.sidebar-nav { flex: 1; padding: 14px 10px; overflow-y: auto; }
.sidebar-section { font-size: 10.5px; text-transform: uppercase; letter-spacing: .06em; color: #7684ad; padding: 14px 10px 6px; }
.side-link {
  display: flex; align-items: center; gap: 11px;
  padding: 11px 12px; border-radius: 10px; margin-bottom: 2px;
  font-size: 13.5px; font-weight: 600; cursor: pointer; color: #cdd6f0;
}
.side-link .ic { font-size: 16px; width: 20px; text-align: center; }
.side-link:hover { background: rgba(255,255,255,.06); }
.side-link.active { background: var(--primary); color: #fff; }
.side-link .count {
  margin-inline-start: auto; background: rgba(255,255,255,.15); font-size: 10.5px;
  padding: 2px 7px; border-radius: 999px; font-weight: 700;
}
.side-link.active .count { background: rgba(255,255,255,.25); }
.sidebar-footer { padding: 14px; border-top: 1px solid rgba(255,255,255,.08); }
.lang-switch { display: flex; background: rgba(255,255,255,.08); border-radius: 999px; padding: 3px; }
.lang-switch button {
  flex: 1; border: none; background: transparent; padding: 7px 8px; border-radius: 999px;
  font-size: 12px; font-weight: 700; color: #97a3c9; cursor: pointer;
}
.lang-switch button.active { background: var(--primary); color: #fff; }

/* ---------- Main ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 22px;
  position: sticky; top: 0; z-index: 30;
}
.topbar h1 { font-size: 18px; margin: 0; font-weight: 800; }
.topbar .sub { font-size: 12px; color: var(--text-dim); margin-top: 1px; }
.topbar-actions { display: flex; gap: 10px; align-items: center; }
.menu-toggle { display: none; background: none; border: none; font-size: 20px; cursor: pointer; }

.content { padding: 22px; flex: 1; }

.btn {
  border: none; border-radius: var(--radius-sm); padding: 10px 16px;
  font-size: 13.5px; font-weight: 700; cursor: pointer; background: var(--primary); color: #fff;
  display: inline-flex; align-items: center; gap: 6px;
}
.btn:active { background: var(--primary-dark); }
.btn.secondary { background: var(--gray-soft); color: var(--text); }
.btn.danger { background: var(--danger-soft); color: var(--danger); }
.btn.sm { padding: 7px 12px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-icon { background:none; border:none; cursor:pointer; font-size:15px; padding:6px; border-radius:8px; color: var(--text-dim); }
.btn-icon:hover { background: var(--gray-soft); }

/* ---------- KPI Cards ---------- */
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 20px; }
.kpi-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.kpi-card .top-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.kpi-card .ic { width: 36px; height: 36px; border-radius: 10px; display:flex; align-items:center; justify-content:center; font-size: 17px; }
.kpi-card .num { font-size: 26px; font-weight: 800; display: block; }
.kpi-card .lbl { font-size: 12px; color: var(--text-dim); font-weight: 600; }
.kpi-card.blue .ic { background: var(--primary-soft); }
.kpi-card.orange .ic { background: var(--warning-soft); }
.kpi-card.green .ic { background: var(--success-soft); }
.kpi-card.red .ic { background: var(--danger-soft); }

/* ---------- Grid layout ---------- */
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; align-items: start; }

.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-bottom: 16px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.panel-head h3 { margin: 0; font-size: 14.5px; font-weight: 800; }
.panel-body { padding: 16px 18px; }
.panel-body.no-pad { padding: 0; }
.link-btn { background:none;border:none;color:var(--primary);font-size:12.5px;font-weight:700;cursor:pointer; }

/* ---------- Bars (simple chart) ---------- */
.bars { display: flex; align-items: flex-end; gap: 10px; height: 140px; padding-top: 10px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; }
.bar-track { width: 100%; max-width: 34px; height: 110px; background: var(--gray-soft); border-radius: 6px; display: flex; align-items: flex-end; overflow:hidden; }
.bar-fill { width: 100%; background: linear-gradient(180deg, var(--primary), var(--primary-dark)); border-radius: 6px 6px 0 0; }
.bar-lbl { font-size: 10.5px; color: var(--text-dim); font-weight: 700; }
.bar-val { font-size: 10.5px; color: var(--text); font-weight: 700; }

.donut-wrap { display: flex; align-items: center; gap: 18px; }
.donut-legend { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.legend-item { display: flex; align-items: center; gap: 8px; font-size: 12.5px; }
.legend-dot { width: 10px; height: 10px; border-radius: 3px; flex-shrink: 0; }
.legend-item .lv { margin-inline-start: auto; font-weight: 700; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: start; font-size: 11px; text-transform: uppercase; letter-spacing: .04em;
  color: var(--text-dim); font-weight: 700; padding: 10px 18px; border-bottom: 1px solid var(--border);
  background: var(--surface-2); white-space: nowrap;
}
tbody td { padding: 12px 18px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--surface-2); }
.cell-strong { font-weight: 700; }
.cell-dim { color: var(--text-dim); font-size: 12px; }

/* ---------- Badges ---------- */
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.badge-active { background: var(--success-soft); color: var(--success); }
.badge-maintenance { background: var(--warning-soft); color: var(--warning); }
.badge-outofservice { background: var(--danger-soft); color: var(--danger); }
.badge-new { background: var(--primary-soft); color: var(--primary-dark); }
.badge-progress { background: var(--warning-soft); color: var(--warning); }
.badge-resolved { background: var(--success-soft); color: var(--success); }
.badge-normal { background: var(--gray-soft); color: var(--text-dim); }
.badge-urgent { background: var(--warning-soft); color: var(--warning); }
.badge-critical { background: var(--danger-soft); color: var(--danger); }
.badge-ok { background: var(--success-soft); color: var(--success); }
.badge-soon { background: var(--warning-soft); color: var(--warning); }
.badge-overdue { background: var(--danger-soft); color: var(--danger); }

/* ---------- Filters / toolbar ---------- */
.toolbar { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; }
.search-input {
  border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius-sm);
  padding: 9px 14px; font-size: 13px; min-width: 220px; flex: 1;
}
.select-input {
  border: 1px solid var(--border); background: var(--surface); border-radius: var(--radius-sm);
  padding: 9px 12px; font-size: 13px; color: var(--text);
}
.tab-row { display: flex; gap: 6px; overflow-x: auto; }
.tab { border: none; background: var(--gray-soft); color: var(--text-dim); padding: 8px 14px; border-radius: 999px; font-size: 12.5px; font-weight: 700; white-space: nowrap; cursor: pointer; }
.tab.active { background: var(--primary); color: #fff; }

/* ---------- Empty state ---------- */
.empty { text-align: center; padding: 50px 20px; color: var(--text-dim); }
.empty .emoji { font-size: 38px; display: block; margin-bottom: 10px; }
.empty p { margin: 2px 0; font-size: 13px; }

/* ---------- Forms / Modal ---------- */
.modal-overlay { position: fixed; inset: 0; background: rgba(16,24,40,.55); z-index: 100; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal { background: var(--surface); border-radius: 16px; width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto; box-shadow: var(--shadow-lg); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--border); position: sticky; top:0; background: var(--surface); }
.modal-head h3 { margin: 0; font-size: 16px; font-weight: 800; }
.modal-body { padding: 20px; }
.modal-foot { padding: 16px 20px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; position: sticky; bottom:0; background: var(--surface); }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { margin-bottom: 14px; }
.form-label { font-size: 12.5px; font-weight: 700; margin-bottom: 6px; display: block; color: var(--text); }
.form-label .req { color: var(--danger); }
.input, .textarea, .select {
  width: 100%; border: 1px solid var(--border); background: var(--surface);
  border-radius: var(--radius-sm); padding: 10px 12px; font-size: 13.5px; color: var(--text); outline: none;
}
.input:focus, .textarea:focus, .select:focus { border-color: var(--primary); }
.textarea { resize: vertical; min-height: 70px; }
.hint { font-size: 11px; color: var(--text-dim); margin-top: 4px; }

/* ---------- Detail page ---------- */
.detail-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.detail-title-row { display: flex; align-items: center; gap: 12px; }
.detail-avatar { width: 46px; height: 46px; border-radius: 12px; background: var(--primary-soft); display: flex; align-items: center; justify-content: center; font-size: 20px; }
.info-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; }
.info-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.info-row .k { color: var(--text-dim); }
.info-row .v { font-weight: 700; }

.subtabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.subtab { background: none; border: none; padding: 10px 16px; font-size: 13px; font-weight: 700; color: var(--text-dim); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.subtab.active { color: var(--primary); border-color: var(--primary); }

.progress-bar { height: 8px; border-radius: 999px; background: var(--gray-soft); overflow: hidden; }
.progress-fill { height: 100%; border-radius: 999px; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: #101828; color: #fff; padding: 12px 20px; border-radius: 999px; font-size: 13px; font-weight: 600;
  z-index: 200; opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s; box-shadow: var(--shadow-lg);
  max-width: 90%; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .sidebar { position: fixed; inset-inline-start: 0; top: 0; transform: translateX(-100%); transition: transform .2s; }
  [dir="rtl"] .sidebar { transform: translateX(100%); }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-flex; }
  .content { padding: 14px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .topbar { padding: 0 12px; }
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #d0d5dd; border-radius: 999px; }

/* ---------- Auth pages ---------- */
.auth-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #0f1b3d 0%, #16234a 45%, #1d4ed8 130%);
  padding: 20px;
}
.auth-card {
  width: 100%; max-width: 420px; background: var(--surface); border-radius: 20px;
  padding: 30px 26px; box-shadow: var(--shadow-lg);
}
.auth-logo { text-align: center; font-size: 30px; margin-bottom: 6px; }
.auth-title { text-align: center; font-size: 19px; font-weight: 800; margin: 0 0 4px; }
.auth-subtitle { text-align: center; font-size: 12.5px; color: var(--text-dim); margin: 0 0 22px; }
.auth-tabs { display: flex; background: var(--gray-soft); border-radius: 999px; padding: 3px; margin-bottom: 20px; }
.auth-tabs button {
  flex: 1; border: none; background: transparent; padding: 9px 10px; border-radius: 999px;
  font-size: 12.5px; font-weight: 700; color: var(--text-dim); cursor: pointer;
}
.auth-tabs button.active { background: var(--primary); color: #fff; }
.auth-error {
  background: var(--danger-soft); color: var(--danger); border-radius: var(--radius-sm);
  padding: 10px 14px; font-size: 12.5px; font-weight: 600; margin-bottom: 16px; text-align: center;
}
.auth-footer { text-align: center; font-size: 12.5px; color: var(--text-dim); margin-top: 16px; }
.auth-footer a, .auth-link { color: var(--primary); font-weight: 700; cursor: pointer; background: none; border: none; font-size: inherit; padding: 0; }
.auth-admin-link { text-align: center; margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--border); }
.auth-admin-link button { background: none; border: none; color: var(--text-dim); font-size: 12px; cursor: pointer; font-weight: 600; }
.auth-hint {
  background: var(--primary-soft); border-radius: var(--radius-sm); padding: 12px 14px;
  font-size: 11.5px; color: var(--primary-dark); margin-top: 18px; line-height: 1.8;
}
.auth-hint b { font-weight: 800; }

/* ---------- Blocked screen ---------- */
.blocked-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); padding: 20px; }
.blocked-card { width: 100%; max-width: 440px; background: var(--surface); border-radius: 20px; padding: 36px 28px; text-align: center; box-shadow: var(--shadow-lg); }
.blocked-icon { font-size: 44px; margin-bottom: 14px; }
.blocked-title { font-size: 18px; font-weight: 800; margin: 0 0 10px; color: var(--danger); }
.blocked-msg { font-size: 13.5px; color: var(--text-dim); line-height: 1.8; margin: 0 0 18px; }
.blocked-contact { font-size: 12.5px; color: var(--text-dim); margin-bottom: 22px; }

/* ---------- Platform admin ---------- */
.platform-shell { min-height: 100vh; }
.platform-header {
  height: var(--topbar-h); background: #0f1b3d; color: #fff; display: flex; align-items: center;
  justify-content: space-between; padding: 0 22px; position: sticky; top: 0; z-index: 30;
}
.platform-header .brand { font-weight: 800; font-size: 15px; display: flex; align-items: center; gap: 8px; }
.platform-content { padding: 22px; max-width: 1200px; margin: 0 auto; }
.plan-select { border: 1px solid var(--border); border-radius: 8px; padding: 5px 8px; font-size: 12px; background: var(--surface); }
.badge-plan-trial { background: var(--primary-soft); color: var(--primary-dark); }
.badge-plan-basic { background: var(--gray-soft); color: var(--text-dim); }
.badge-plan-pro { background: var(--success-soft); color: var(--success); }