@import url('https://fonts.googleapis.com/css2?family=Vazirmatn:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-black: #080808;
  --bg-panel: #0f0f0f;
  --bg-subtle: #141414;
  --border-hairline: #222222;
  --border-focus: #444444;
  --border-light: #ffffff;
  --text-main: #f0f0f0;
  --text-dim: #737373;
  --text-dark: #454545;
  --brand-green: #00e676;
  --brand-green-dim: rgba(0, 230, 118, 0.12);
}

* {
  box-sizing: border-box;
  font-family: 'Vazirmatn', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

.font-mono {
  font-family: 'JetBrains Mono', ui-monospace, Menlo, Monaco, Consolas, monospace !important;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-black);
  color: var(--text-main);
  direction: rtl;
  text-align: right;
  min-height: 100vh;
  overflow-x: hidden;
  font-size: 13px;
  line-height: 1.6;
}

/* Cyber Technical Grid Pattern (Subtle & Crisp, Not Blurry) */
.bg-tech-grid {
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Sharp Brutalist Cyber Panel */
.cyber-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  transition: border-color 0.15s ease, background-color 0.15s ease;
  position: relative;
}

.cyber-panel:hover {
  border-color: var(--border-focus);
}

.cyber-panel-active {
  border-color: #555555;
  background: var(--bg-subtle);
}

/* Cyber Hairline Borders & Dividers */
.hairline-border {
  border: 1px solid var(--border-hairline);
}

.hairline-b {
  border-bottom: 1px solid var(--border-hairline);
}

.hairline-t {
  border-top: 1px solid var(--border-hairline);
}

.hairline-l {
  border-left: 1px solid var(--border-hairline);
}

.hairline-r {
  border-right: 1px solid var(--border-hairline);
}

/* Header & Navigation */
.header-bar {
  background: rgba(8, 8, 8, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-hairline);
}

/* Buttons - Sharp & High Contrast (No Bubbly AI SaaS Look) */
.btn-sharp-primary {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 11px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
  text-decoration: none;
}

.btn-sharp-primary:hover {
  background: #d4d4d4;
  border-color: #d4d4d4;
  color: #000000;
}

.btn-sharp-secondary {
  background: #141414;
  color: #d4d4d4;
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 11px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
  text-decoration: none;
}

.btn-sharp-secondary:hover {
  background: #202020;
  border-color: var(--border-focus);
  color: #ffffff;
}

/* Real-time Indicator & LED */
.led-indicator {
  width: 6px;
  height: 6px;
  background-color: var(--brand-green);
  border-radius: 50%;
  display: inline-block;
  box-shadow: 0 0 8px var(--brand-green);
  animation: led-blink 1.8s infinite ease-in-out;
}

@keyframes led-blink {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

/* Terminal Console Box */
.terminal-block {
  background: #050505;
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
}

.terminal-titlebar {
  background: #101010;
  border-bottom: 1px solid var(--border-hairline);
  padding: 8px 12px;
}

/* Tab Switcher - Developer Oriented */
.dev-tab {
  padding: 6px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dev-tab:hover {
  color: var(--text-main);
}

.dev-tab.active {
  color: #ffffff;
  border-bottom-color: #ffffff;
}

/* Kyun Danbo Range Slider */
.danbo-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: #1c1c1c;
  outline: none;
  border: 1px solid var(--border-hairline);
  border-radius: 2px;
}

.danbo-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: #ffffff;
  border: 2px solid #000000;
  border-radius: 2px;
  cursor: pointer;
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.4);
  transition: background-color 0.1s ease;
}

.danbo-slider::-webkit-slider-thumb:hover {
  background: #00e676;
}

.danbo-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: #ffffff;
  border: 2px solid #000000;
  border-radius: 2px;
  cursor: pointer;
}

/* Technical Data Table */
.tech-table {
  width: 100%;
  border-collapse: collapse;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

.tech-table th {
  background: #0c0c0c;
  color: var(--text-dim);
  text-align: right;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-hairline);
  font-weight: 600;
}

.tech-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-hairline);
  color: var(--text-main);
}

.tech-table tr:hover td {
  background: #121212;
}

/* Real-time Bandwidth Canvas Canvas Chart */
#bandwidthChart {
  width: 100%;
  height: 70px;
  background: #050505;
  border-top: 1px solid var(--border-hairline);
}

/* Code Syntax & Command Pill */
.cmd-snippet {
  background: #0c0c0c;
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  padding: 6px 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: #cccccc;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Corner Bracket Accents for Cyber Brutalism */
.bracket-box {
  position: relative;
}
.bracket-box::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 6px;
  height: 6px;
  border-top: 2px solid #ffffff;
  border-left: 2px solid #ffffff;
}
.bracket-box::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 6px;
  height: 6px;
  border-bottom: 2px solid #ffffff;
  border-right: 2px solid #ffffff;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
::-webkit-scrollbar-track {
  background: #080808;
}
::-webkit-scrollbar-thumb {
  background: #222222;
}
::-webkit-scrollbar-thumb:hover {
  background: #383838;
}

/* Backward Compatibility Aliases */
.brick-card {
  background: var(--bg-panel);
  border: 1px solid var(--border-hairline);
  border-radius: 4px;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.brick-card:hover {
  border-color: var(--border-focus);
}
.btn-primary {
  background: #ffffff;
  color: #000000;
  border: 1px solid #ffffff;
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 11px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
  text-decoration: none;
}
.btn-primary:hover {
  background: #d4d4d4;
  border-color: #d4d4d4;
  color: #000000;
}
.btn-secondary {
  background: #141414;
  color: #d4d4d4;
  border: 1px solid var(--border-hairline);
  border-radius: 3px;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 11px;
  padding: 8px 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  transition: all 0.12s ease;
  text-decoration: none;
}
.btn-secondary:hover {
  background: #202020;
  border-color: var(--border-focus);
  color: #ffffff;
}