/* =====================================================================
   MashhadHost Script Center — style.css
   Dark, minimal, DevOps-oriented. No external dependencies.
   Layout: right sidebar (scripts) + left documentation on desktop.
   Overall page is RTL; code blocks / commands / IPs are forced LTR.
   ===================================================================== */

:root {
  /* Colors */
  --bg: #0a0d12;                 /* very dark, not pure black */
  --bg-panel: #0e131a;           /* sidebar / panels */
  --bg-elevated: #121821;        /* inputs, hovers */
  --bg-code: #11161f;            /* code blocks (slightly lighter) */
  --border: #1d2530;
  --border-soft: #18202b;
  --text: #d8dee7;
  --text-secondary: #9aa5b1;
  --text-muted: #6b7684;
  --accent: #3fb950;             /* limited accent: green */
  --accent-dim: rgba(63, 185, 80, 0.09);
  --accent-border: rgba(63, 185, 80, 0.35);
  --scrollbar: #242d3a;

  /* Typography */
  --font-ui: "Vazirmatn", "Iranian Sans", "Segoe UI", Tahoma,
             "Noto Sans", system-ui, -apple-system, sans-serif;
  --font-mono: "Cascadia Code", "JetBrains Mono", "SFMono-Regular",
               Consolas, "Liberation Mono", Menlo, monospace;

  /* Metrics */
  --topbar-h: 52px;
  --radius: 8px;
  --radius-sm: 6px;
}

/* ---------- Reset / base ---------- */
* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

html { color-scheme: dark; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: var(--accent-dim); }

/* ---------- Scrollbars (subtle) ---------- */
* { scrollbar-width: thin; scrollbar-color: var(--scrollbar) transparent; }
*::-webkit-scrollbar { height: 8px; width: 8px; }
*::-webkit-scrollbar-thumb { background: var(--scrollbar); border-radius: 4px; }
*::-webkit-scrollbar-track { background: transparent; }

code, pre, kbd {
  font-family: var(--font-mono);
}

/* =====================================================================
   Top bar
   ===================================================================== */
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border-soft);
  direction: ltr;               /* topbar content is English */
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.brand-mark { color: var(--accent); flex-shrink: 0; }
.brand-sep { color: var(--text-muted); font-weight: 400; }
.brand-sub { color: var(--text-secondary); font-weight: 500; }

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* small status dot (used in topbar + script items) */
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  flex-shrink: 0;
}

/* =====================================================================
   Layout: sidebar right + content left (RTL grid)
   ===================================================================== */
.layout {
  display: grid;
  grid-template-columns: minmax(280px, 33%) 1fr;
  min-height: calc(100vh - var(--topbar-h));
}

/* ---------------- Sidebar ---------------- */
.sidebar {
  background: var(--bg-panel);
  border-left: 1px solid var(--border-soft);   /* divider toward content */
  padding: 18px 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: var(--topbar-h);
  height: calc(100vh - var(--topbar-h));
  direction: ltr;               /* sidebar content is English */
}

.sidebar-head { padding: 0 4px; }

.sidebar-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}
.sidebar-title .sep { color: var(--text-muted); font-weight: 400; }

.sidebar-subtitle {
  margin-top: 3px;
  font-size: 11.5px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

/* Search */
.search-wrap { position: relative; }

.search-icon {
  position: absolute;
  inset-inline-start: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 9px 12px;
  padding-inline-start: 34px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-family: var(--font-ui);
  outline: none;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.search-input::placeholder { color: var(--text-muted); }

.search-input:focus {
  border-color: var(--accent-border);
  background: var(--bg-code);
}

/* Script list */
.script-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
  overflow-y: auto;
  margin-inline: -4px;
  padding-inline: 4px;
}

.script-item {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  width: 100%;
  padding: 10px 11px;
  background: transparent;
  border: 1px solid transparent;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font-ui);
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.script-item:hover { background: var(--bg-elevated); }

.script-item.active {
  background: var(--accent-dim);
  border-color: var(--border-soft);
  border-left-color: var(--accent);
}

.script-icon {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 2px;
}

.script-body { flex: 1; min-width: 0; }

.script-name {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.script-item.active .script-name { color: #eaffef; }

.script-desc {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.script-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
}

.script-version { color: var(--text-muted); }

.script-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
}
.script-status.muted { color: var(--text-muted); }

.script-empty {
  padding: 24px 8px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

/* ---------------- Documentation ---------------- */
.content {
  padding: 36px 44px 64px;
  min-width: 0;
  max-width: 100%;
  scroll-margin-top: calc(var(--topbar-h) + 12px);
}

/* Section spacing */
.doc-section { margin-top: 30px; }

/* Title block */
.doc-title {
  margin: 0;
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--text);
}

.doc-tagline {
  margin: 8px 0 0;
  font-size: 14.5px;
  color: var(--text-secondary);
}

.doc-desc {
  margin: 0;
  font-size: 14.5px;
  color: var(--text-secondary);
  line-height: 2;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 11px;
  font-size: 12px;
  font-weight: 500;
  font-family: var(--font-mono);
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  white-space: nowrap;
}

.badge:last-child { color: var(--accent); border-color: var(--accent-border); }

/* Section headings */
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text);
}

.section-title::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--accent);
  flex-shrink: 0;
}

/* ---------- Quick Install (highlighted) ---------- */
.quick-install {
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
  background: var(--accent-dim);
  padding: 12px;
}

/* ---------- Code blocks & copy rows ---------- */
.copy-row {
  display: flex;
  align-items: stretch;
  gap: 10px;
}

.code-block {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  background: var(--bg-code);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow-x: auto;
  direction: ltr;               /* commands are always LTR */
  text-align: left;
}

.code-block code {
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  white-space: pre;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  flex-shrink: 0;
  min-width: 72px;
  padding: 0 14px;
  background: transparent;
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.12s ease, color 0.12s ease;
}

.copy-btn:hover { background: var(--accent-dim); }
.copy-btn:active { transform: translateY(1px); }

.copy-btn.copied {
  background: var(--accent);
  border-color: var(--accent);
  color: #0a0d12;
}

/* ---------- Usage ---------- */
.usage-list { display: flex; flex-direction: column; gap: 14px; }

.usage-item { display: flex; flex-direction: column; gap: 7px; }

.usage-label {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-secondary);
}

/* ---------- Terminal preview ---------- */
.terminal-window {
  direction: ltr;               /* terminal output is always LTR */
  background: var(--bg-code);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-soft);
}

.term-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--scrollbar);
}

.term-title {
  margin-inline-start: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body {
  margin: 0;
  padding: 15px 17px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text-secondary);
  white-space: pre;
  overflow-x: auto;
}

.terminal-body .menu-title { color: var(--text); font-weight: 600; }
.terminal-body .menu-item { color: var(--text); }
.terminal-body .prompt { color: var(--accent); }
.terminal-body .cursor { color: var(--accent); animation: blink 1.1s steps(1) infinite; }

@keyframes blink {
  50% { opacity: 0; }
}

/* ---------- SSH keys ---------- */
.key-list { display: flex; flex-direction: column; gap: 8px; }

.key-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  background: var(--bg-panel);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
}

.key-name {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  direction: ltr;               /* key names are LTR */
  unicode-bidi: isolate;
}

.key-ips {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  direction: ltr;               /* IPs are LTR */
  unicode-bidi: isolate;
  font-size: 12.5px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
}

.key-ips svg { color: var(--text-muted); flex-shrink: 0; }

.section-note {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-secondary);
}

.section-note-muted {
  margin: 5px 0 0;
  font-size: 12.5px;
  color: var(--text-muted);
}

/* ---------- Safety & Behavior ---------- */
.safety-list { list-style: none; margin: 0; padding: 0; }

.safety-list li {
  position: relative;
  padding: 6px 0;
  padding-inline-start: 18px;   /* room for bullet on the inline-start (right in RTL) */
  font-size: 14px;
  color: var(--text-secondary);
}

.safety-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 2px;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--accent);
}

/* ---------- Script information ---------- */
.info-list {
  margin: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 14px;
  background: var(--bg-panel);
}

.info-row + .info-row { border-top: 1px solid var(--border-soft); }

.info-row dt {
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.info-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  direction: ltr;               /* values are LTR */
  unicode-bidi: isolate;
  text-align: left;
  word-break: break-all;
  overflow-wrap: anywhere;
}

/* =====================================================================
   Responsive — Tablet / Mobile
   ===================================================================== */
@media (max-width: 960px) {
  .layout { grid-template-columns: 1fr; }

  /* Sidebar moves to the top; list becomes a horizontal selector */
  .sidebar {
    position: static;
    height: auto;
    border-left: none;
    border-bottom: 1px solid var(--border-soft);
    padding: 14px 14px 10px;
    gap: 12px;
  }

  .sidebar-head { display: none; }   /* brand already in topbar */

  .script-list {
    flex-direction: row;
    overflow-x: auto;
    gap: 8px;
    padding: 2px 2px 6px;
    margin: 0;
  }

  .script-item {
    flex: 0 0 auto;
    width: 240px;
    padding: 10px 12px;
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-sm);
  }

  .script-item.active {
    border-color: var(--accent-border);
    border-left-color: var(--accent);
  }

  .content {
    padding: 26px 18px 56px;
  }

  .doc-title { font-size: 21px; }
}

@media (max-width: 560px) {
  .topbar { padding: 0 14px; }

  .content { padding: 22px 14px 48px; }

  .quick-install { padding: 10px; }

  .copy-row { gap: 8px; }

  .code-block { padding: 10px 12px; }

  .copy-btn { min-width: 64px; padding: 0 10px; }

  .key-item { flex-direction: column; align-items: flex-start; gap: 6px; }

  .info-row { align-items: flex-start; flex-direction: column; gap: 2px; }
  .info-row dd { text-align: left; }
}