/* CyberSim Lab — styles
   Uses CSS logical properties (margin-inline-start, padding-inline, inset-inline…)
   so the whole layout mirrors automatically when <html dir="rtl">. */

:root {
  --bg: #0b1220;
  --panel: #121b2e;
  --panel-2: #18233a;
  --border: #26344f;
  --text: #e6ecf5;
  --muted: #9aa8c0;
  --accent: #38bdf8;
  --accent-2: #22d3ee;
  --bad: #f87171;
  --warn: #fbbf24;
  --ok: #34d399;
  --radius: 12px;
  --font-en: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-ar: "Segoe UI", Tahoma, "Noto Sans Arabic", "Geeza Pro", "Arial", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, #13213d 0%, var(--bg) 55%);
  color: var(--text);
  font-family: var(--font-en);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
html[dir="rtl"] body { font-family: var(--font-ar); line-height: 1.8; }
a { color: var(--accent); }
button { font: inherit; }
:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }

/* ---------- Training banner ---------- */
.sim-banner {
  position: sticky; top: 0; z-index: 50;
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: .5rem 1rem;
  padding: .45rem 1rem;
  background: repeating-linear-gradient(45deg, #b45309, #b45309 14px, #92400e 14px, #92400e 28px);
  color: #fff; font-size: .9rem; text-align: center;
  border-bottom: 2px solid #fbbf24;
}
.sim-banner strong { letter-spacing: .02em; }
.sim-banner__note { opacity: .9; font-size: .82rem; }

/* ---------- Header ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  padding: .9rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--border);
  background: rgba(11, 18, 32, .85);
}
.brand { display: flex; align-items: center; gap: .75rem; color: var(--text); text-decoration: none; }
.brand__logo { font-size: 2rem; }
.brand__name { display: block; font-weight: 700; font-size: 1.2rem; }
.brand__tag { display: block; color: var(--muted); font-size: .8rem; max-width: 46ch; }
.topnav { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.topnav a {
  color: var(--text); text-decoration: none; padding: .45rem .8rem; border-radius: 8px;
}
.topnav a:hover, .topnav a.active { background: var(--panel-2); color: var(--accent); }

/* Language switch */
.lang-toggle {
  display: inline-flex; align-items: center; gap: .45rem;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 999px;
  padding: .35rem .8rem .35rem .45rem; cursor: pointer;
  margin-inline-start: .5rem;
  direction: ltr; /* the switch itself keeps a fixed physical orientation */
}
.lang-toggle__track {
  width: 38px; height: 20px; border-radius: 999px; background: #334155; position: relative; transition: background .2s;
}
.lang-toggle__thumb {
  position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: left .2s;
}
.lang-toggle[aria-checked="true"] .lang-toggle__track { background: var(--accent); }
.lang-toggle[aria-checked="true"] .lang-toggle__thumb { left: 20px; }
.lang-toggle__label { font-weight: 700; opacity: .5; }
.lang-toggle[aria-checked="false"] .lang-toggle__label:nth-of-type(2),
.lang-toggle[aria-checked="true"] .lang-toggle__label:nth-of-type(4) { opacity: 1; color: var(--accent); }
.lang-toggle__sep { opacity: .3; }

/* ---------- Layout ---------- */
main { flex: 1; width: 100%; max-width: 1180px; margin: 0 auto; padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 3rem; outline: none; }
h1, h2, h3 { line-height: 1.3; }
h1 { font-size: clamp(1.5rem, 3vw, 2rem); margin: .5rem 0; }
.lead { color: var(--muted); max-width: 70ch; }
.panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem;
}
.footer { text-align: center; color: var(--muted); font-size: .85rem; padding: 1rem; border-top: 1px solid var(--border); }

/* ---------- Catalog ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.1rem; display: flex; flex-direction: column; gap: .4rem;
  color: var(--text); text-decoration: none; transition: transform .15s, border-color .15s;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent); }
.card__icon { font-size: 2rem; }
.card__name { font-weight: 700; font-size: 1.05rem; }
.card__cat { color: var(--accent); font-size: .82rem; }
.card__cta { margin-top: auto; color: var(--accent-2); font-weight: 600; font-size: .9rem; }

.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); }
table { width: 100%; border-collapse: collapse; background: var(--panel); font-size: .92rem; }
th, td { padding: .7rem .9rem; text-align: start; vertical-align: top; border-bottom: 1px solid var(--border); }
th { background: var(--panel-2); color: var(--accent); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td a { font-weight: 600; }

/* ---------- Attack view ---------- */
.back-link { display: inline-flex; gap: .35rem; align-items: center; color: var(--muted); text-decoration: none; font-size: .9rem; }
.back-link:hover { color: var(--accent); }
.back-link .arrow { display: inline-block; }
html[dir="rtl"] .arrow { transform: scaleX(-1); }   /* mirror directional arrows */
.attack-head { display: flex; align-items: center; gap: .9rem; margin: .5rem 0 1rem; }
.attack-head__icon { font-size: 2.6rem; }
.badge { display: inline-block; background: rgba(56, 189, 248, .12); color: var(--accent); border: 1px solid rgba(56,189,248,.35); padding: .15rem .6rem; border-radius: 999px; font-size: .8rem; }

.tabs { display: flex; gap: .4rem; border-bottom: 1px solid var(--border); margin-bottom: 1.25rem; flex-wrap: wrap; }
.tab {
  background: none; border: 0; color: var(--muted); padding: .65rem 1rem; cursor: pointer;
  border-bottom: 3px solid transparent; font-weight: 600;
}
.tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); }

.overview-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1rem; }
.overview-grid h2 { font-size: 1.05rem; margin-top: 0; color: var(--accent); }
.list { margin: 0; padding-inline-start: 1.2rem; }
.list li { margin-bottom: .4rem; }
.list--warn li::marker { color: var(--warn); }
.list--ok li::marker { color: var(--ok); }

.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  background: var(--accent); color: #04121f; border: 0; border-radius: 8px;
  padding: .6rem 1.1rem; font-weight: 700; cursor: pointer; text-decoration: none;
}
.btn:hover { filter: brightness(1.1); }
.btn:disabled { opacity: .4; cursor: not-allowed; }
.btn--ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: 1.25rem; align-items: center; }
.actions .spacer { flex: 1; }

/* ---------- Simulation ---------- */
.stepper { list-style: none; display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; padding: 0; margin: 0 0 1.25rem; counter-reset: s; }
.stepper li {
  position: relative; padding: .6rem .5rem; text-align: center; border-radius: 8px;
  background: var(--panel); border: 1px solid var(--border); color: var(--muted); font-size: .85rem; cursor: pointer;
}
.stepper li .num { display: block; font-weight: 800; font-size: 1.1rem; }
.stepper li.done { border-color: var(--ok); color: var(--ok); }
.stepper li.current { border-color: var(--accent); color: var(--text); background: var(--panel-2); box-shadow: 0 0 0 2px rgba(56,189,248,.25); }

.sim-stage { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 1rem; animation: fade .35s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.narr { display: flex; flex-direction: column; gap: .8rem; }
.narr__box { border-radius: 10px; padding: .9rem 1rem; background: var(--panel); border: 1px solid var(--border); border-inline-start: 4px solid var(--border); }
.narr__box h3 { margin: 0 0 .3rem; font-size: .92rem; }
.narr__box p { margin: 0; }
.narr__box--attacker { border-inline-start-color: var(--bad); }
.narr__box--attacker h3 { color: var(--bad); }
.narr__box--victim { border-inline-start-color: var(--warn); }
.narr__box--victim h3 { color: var(--warn); }
.narr__box--notice { border-inline-start-color: var(--ok); background: rgba(52, 211, 153, .07); }
.narr__box--notice h3 { color: var(--ok); }

/* Mock screen */
.screen { border-radius: 10px; overflow: hidden; border: 1px solid var(--border); background: #070c16; align-self: start; }
.screen__label {
  background: #b45309; color: #fff; font-size: .75rem; font-weight: 700; text-align: center; padding: .25rem .5rem; letter-spacing: .03em;
}
.screen__bar { display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem; background: #1e293b; font-size: .82rem; color: var(--muted); }
.dots { display: inline-flex; gap: 5px; direction: ltr; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: #ef4444; display: inline-block; }
.dots i:nth-child(2) { background: #f59e0b; } .dots i:nth-child(3) { background: #22c55e; }
.screen__url { flex: 1; background: #0f172a; border-radius: 6px; padding: .2rem .6rem; font-family: var(--mono); direction: ltr; text-align: left; color: var(--bad); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.screen__body { padding: .85rem 1rem; font-family: var(--mono); font-size: .82rem; line-height: 1.7; }
.screen__body .ln { white-space: pre-wrap; word-break: break-word; }
.screen--email .screen__body, .screen--note .screen__body, .screen--browser .screen__body { font-family: inherit; font-size: .9rem; }
.ln.bad { color: var(--bad); } .ln.warn { color: var(--warn); } .ln.ok { color: var(--ok); } .ln.dim { color: var(--muted); }
/* System output (raw logs/code) stays LTR even in Arabic mode */
.ln[dir="ltr"] { text-align: left; }
.screen--ransom .screen__body { background: #2a0b0b; }
.file-row { display: flex; justify-content: space-between; gap: 1rem; padding: .25rem .4rem; border-radius: 4px; direction: ltr; }
.file-row.locked { color: var(--bad); background: rgba(248,113,113,.08); text-decoration: line-through; text-decoration-color: rgba(248,113,113,.4); }
.file-row .st { font-size: .75rem; opacity: .8; }

.sim-done { margin-top: 1rem; padding: 1rem; border-radius: 10px; background: rgba(52,211,153,.08); border: 1px solid var(--ok); }

/* ---------- Quiz ---------- */
.quiz-q { margin-bottom: 1.1rem; }
.quiz-q h3 { font-size: 1rem; margin: 0 0 .6rem; }
.quiz-q .qn { color: var(--accent); margin-inline-end: .35rem; }
.opts { display: grid; gap: .5rem; }
.opt {
  text-align: start; background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; padding: .65rem .9rem; cursor: pointer; display: flex; gap: .6rem; align-items: flex-start;
}
.opt:hover:not(:disabled) { border-color: var(--accent); }
.opt:disabled { cursor: default; }
.opt .letter { font-weight: 800; color: var(--accent); min-width: 1.2em; }
.opt.correct { border-color: var(--ok); background: rgba(52,211,153,.12); }
.opt.incorrect { border-color: var(--bad); background: rgba(248,113,113,.12); }
.feedback { margin-top: .6rem; padding: .7rem .9rem; border-radius: 8px; font-size: .92rem; }
.feedback.ok { background: rgba(52,211,153,.1); border: 1px solid var(--ok); }
.feedback.bad { background: rgba(248,113,113,.1); border: 1px solid var(--bad); }
.feedback strong { display: block; }
.score { font-size: 1.1rem; font-weight: 700; padding: 1rem; border-radius: 10px; background: var(--panel-2); border: 1px solid var(--accent); }

/* ---------- Glossary ---------- */
.search { width: 100%; max-width: 420px; padding: .6rem .9rem; border-radius: 8px; border: 1px solid var(--border); background: var(--panel); color: var(--text); margin: .75rem 0 1rem; }
.gloss td:first-child { direction: ltr; unicode-bidi: isolate; font-weight: 600; white-space: nowrap; }
html[dir="rtl"] .gloss td:first-child { text-align: right; }
.gloss td:nth-child(2) { color: var(--accent); font-weight: 600; }

/* Keep embedded Latin terms readable inside Arabic */
bdi, .ltr { unicode-bidi: isolate; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .sim-stage { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .stepper { grid-template-columns: repeat(2, 1fr); }
  .brand__tag { display: none; }
  .gloss td:first-child { white-space: normal; }
}