/* ============================================================
   لوحة تحكم الأسطول — طراز غرفة عمليات (Cockpit)
   الألوان: كحلي أردوازي عميق + سماوي قياسات + كهرماني تحذير
   ============================================================ */

:root {
  --bg: #0d1524;          /* خلفية عامة */
  --bg-deep: #091019;     /* الشريط الجانبي */
  --surface: #16213a;     /* البطاقات والجداول */
  --surface-2: #1c2a47;   /* صفوف بديلة / حقول */
  --line: #263a5e;        /* حدود */
  --text: #dbe4f3;
  --muted: #8296b8;
  --cyan: #3ec6e0;        /* قياسات / روابط / نشط */
  --green: #3fce8f;       /* متصل / سليم */
  --amber: #f5b13d;       /* تحذير */
  --red: #ef6b6b;         /* خطر */
  --radius: 10px;
  --mono: 'IBM Plex Mono', monospace;
}

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

html { font-size: 15px; }

body {
  font-family: 'IBM Plex Sans Arabic', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--cyan); text-decoration: none; }

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

.sidebar {
  width: 232px;
  background: var(--bg-deep);
  border-inline-end: 1px solid var(--line);
  padding: 18px 12px;
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column; gap: 4px;
  flex-shrink: 0;
}

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 10px 18px;
  font-weight: 700; font-size: 1.05rem;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(63,206,143,.55);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(63,206,143,.55); }
  70% { box-shadow: 0 0 0 9px rgba(63,206,143,0); }
  100% { box-shadow: 0 0 0 0 rgba(63,206,143,0); }
}
@media (prefers-reduced-motion: reduce) {
  .brand .dot, .stat .pulse { animation: none; }
}

.nav-group-label {
  font-size: .68rem; color: var(--muted);
  letter-spacing: .08em; padding: 14px 10px 4px;
}

.nav a {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 10px; border-radius: 8px;
  color: var(--text); font-size: .92rem;
}
.nav a:hover { background: var(--surface); }
.nav a.active { background: var(--surface-2); color: var(--cyan); }
.nav a .ic { width: 17px; text-align: center; opacity: .8; }

.main { flex: 1; padding: 22px 26px; min-width: 0; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.topbar h1 { font-size: 1.25rem; font-weight: 700; }
.topbar .user { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: .88rem; }

/* ---------- شريط القياسات (العنصر المميز) ---------- */
.stat-strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 20px;
}
.stat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 15px;
  position: relative; overflow: hidden;
}
.stat::before {
  content: ''; position: absolute; inset-inline-start: 0; top: 0; bottom: 0;
  width: 3px; background: var(--cyan);
}
.stat.green::before { background: var(--green); }
.stat.amber::before { background: var(--amber); }
.stat.red::before { background: var(--red); }
.stat .label { font-size: .74rem; color: var(--muted); margin-bottom: 4px; }
.stat .value { font-family: var(--mono); font-size: 1.45rem; font-weight: 600; }
.stat .pulse {
  position: absolute; top: 12px; inset-inline-end: 12px;
  width: 7px; height: 7px; border-radius: 50%; background: var(--green);
  animation: pulse 2.2s infinite;
}

/* ---------- البطاقات والجداول ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  margin-bottom: 18px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 16px; border-bottom: 1px solid var(--line);
}
.card-head h2 { font-size: .98rem; font-weight: 600; }
.card-body { padding: 16px; }

table { width: 100%; border-collapse: collapse; font-size: .88rem; }
th {
  text-align: right; padding: 10px 14px;
  color: var(--muted); font-weight: 500; font-size: .78rem;
  border-bottom: 1px solid var(--line);
}
td { padding: 10px 14px; border-bottom: 1px solid rgba(38,58,94,.5); }
tr:hover td { background: var(--surface-2); }
td.mono, .mono { font-family: var(--mono); font-size: .84rem; }

.empty {
  padding: 42px 20px; text-align: center; color: var(--muted);
}
.empty strong { display: block; color: var(--text); margin-bottom: 6px; }

/* ---------- الشارات والحالات ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .74rem; padding: 3px 9px; border-radius: 20px;
  background: var(--surface-2); border: 1px solid var(--line);
}
.badge .d { width: 7px; height: 7px; border-radius: 50%; }
.badge.on .d { background: var(--green); }
.badge.off .d { background: var(--muted); }
.badge.warn { color: var(--amber); border-color: rgba(245,177,61,.4); }
.badge.danger { color: var(--red); border-color: rgba(239,107,107,.4); }
.badge.ok { color: var(--green); border-color: rgba(63,206,143,.4); }

/* ---------- الأزرار والنماذج ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--cyan); color: #06202a;
  border: none; border-radius: 8px;
  padding: 8px 16px; font-size: .88rem; font-weight: 600;
  font-family: inherit; cursor: pointer;
}
.btn:hover { filter: brightness(1.1); }
.btn.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn.danger { background: var(--red); color: #2a0808; }
.btn.sm { padding: 4px 10px; font-size: .78rem; }
.btn:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
  outline: 2px solid var(--cyan); outline-offset: 2px;
}

label { display: block; font-size: .8rem; color: var(--muted); margin-bottom: 5px; }
input, select, textarea {
  width: 100%; background: var(--surface-2); color: var(--text);
  border: 1px solid var(--line); border-radius: 8px;
  padding: 8px 11px; font-size: .88rem; font-family: inherit;
}
.field { margin-bottom: 13px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 14px; }
.filters { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.filters .field { margin-bottom: 0; min-width: 150px; }

/* ---------- النوافذ المنبثقة ---------- */
.modal-back {
  position: fixed; inset: 0; background: rgba(5,10,20,.72);
  display: none; align-items: flex-start; justify-content: center;
  padding: 6vh 16px; z-index: 60; overflow-y: auto;
}
.modal-back.open { display: flex; }
.modal {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; width: 100%; max-width: 560px;
}

/* ---------- التنبيهات المنبثقة (Toast) ---------- */
#toasts { position: fixed; bottom: 18px; inset-inline-start: 18px; z-index: 90; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--surface-2); border: 1px solid var(--line);
  border-inline-start: 3px solid var(--green);
  padding: 10px 15px; border-radius: 8px; font-size: .86rem;
  min-width: 230px;
}
.toast.err { border-inline-start-color: var(--red); }

/* ---------- الخريطة ---------- */
.map-wrap { height: calc(100vh - 210px); min-height: 420px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
#map { height: 100%; width: 100%; background: #0a111e; }
.live-layout { display: grid; grid-template-columns: 290px 1fr; gap: 16px; }
.live-list { max-height: calc(100vh - 210px); overflow-y: auto; }
.live-item {
  padding: 10px 13px; border-bottom: 1px solid rgba(38,58,94,.5);
  cursor: pointer; font-size: .86rem;
}
.live-item:hover { background: var(--surface-2); }
.live-item .meta { display: flex; justify-content: space-between; color: var(--muted); font-size: .76rem; margin-top: 3px; }

/* ---------- صفحة الدخول ---------- */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background:
    radial-gradient(700px 340px at 85% -10%, rgba(62,198,224,.13), transparent),
    radial-gradient(600px 300px at 10% 110%, rgba(63,206,143,.09), transparent),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 390px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 14px; padding: 32px 30px;
}
.login-card h1 { font-size: 1.2rem; margin-bottom: 4px; display: flex; align-items: center; gap: 10px; }
.login-card p { color: var(--muted); font-size: .85rem; margin-bottom: 24px; }

.pagination { display: flex; gap: 6px; padding: 12px 16px; }
.pagination button { min-width: 34px; }

@media (max-width: 900px) {
  .sidebar { display: none; }
  .live-layout { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
}