/**
 * Qybic Datalab — Minimal Dark Style
 * Стилистика: Proxmox / Grafana / GitHub Dark.
 * Чистый плоский интерфейс, строгие границы #2d333b, отсутствие неоновых подсветок.
 */

:root {
  --bg-main: #0d1117;
  --bg-panel: #161b22;
  --bg-subtle: #21262d;
  --border: #2d333b;
  --border-subtle: #30363d;
  
  --text-main: #c9d1d9;
  --text-bright: #f0f6fc;
  --text-muted: #8b949e;
  
  --accent: #58a6ff;
  --status-up: #3fb950;
  --status-err: #f85149;
  --badge-bg: #1c2128;

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;

  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
}

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

html {
  font-size: 15px;
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  scroll-behavior: smooth;
}

body {
  line-height: 1.5;
  background-color: var(--bg-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 1.25rem;
  width: 100%;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-panel);
  padding: 0.75rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-logo {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-bright);
  text-decoration: none;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.15rem 0.4rem;
  border-radius: var(--radius-sm);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background-color: var(--bg-main);
  padding: 0.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.82rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.nav-link:hover {
  color: var(--text-bright);
  background-color: var(--bg-subtle);
}

.nav-link.active {
  color: var(--text-bright);
  background-color: var(--bg-panel);
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
}

/* Центрированная Hero-карточка на главной */
.center-hero-wrapper {
  padding: 3rem 0;
  display: flex;
  justify-content: center;
}

.center-hero-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  max-width: 820px;
  width: 100%;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.center-hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--accent);
  background-color: rgba(88, 166, 255, 0.08);
  border: 1px solid rgba(88, 166, 255, 0.2);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.25rem;
}

.center-hero-title {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.center-hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.hero-paragraph {
  font-size: 0.94rem;
  color: var(--text-main);
  line-height: 1.65;
}

.hero-paragraph strong {
  color: var(--text-bright);
}

.hero-paragraph code {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  padding: 0.15rem 0.35rem;
  border-radius: 3px;
  color: #7ee787;
}

.hero-inquiry-box {
  margin-top: 1rem;
  background-color: var(--bg-main);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.inquiry-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.inquiry-text {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 0.9rem;
}

.inquiry-email-wrap {
  margin-bottom: 0.8rem;
}

.inquiry-email-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.15s ease;
}

.inquiry-email-link:hover {
  border-color: var(--accent);
  background-color: rgba(88, 166, 255, 0.1);
}

.inquiry-note {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.inquiry-note code {
  font-family: var(--font-mono);
  color: var(--status-err);
}

/* Sections */
.section-block {
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--border);
}

.section-block:last-of-type {
  border-bottom: none;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}

.section-head h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-bright);
}

.section-meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.section-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  max-width: 840px;
  line-height: 1.55;
  margin-bottom: 1.5rem;
}

.section-desc-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  line-height: 1.5;
}

/* Metrics Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}

.metric-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

.metric-value {
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.5rem;
}

.progress-track {
  height: 5px;
  background-color: var(--bg-subtle);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.4rem;
}

.progress-bar {
  height: 100%;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.metric-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Security Stats */
.sec-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.sec-stat-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.15rem;
}

.sec-stat-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
}

.sec-stat-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
}

.sec-stat-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

.sec-bar-wrap {
  height: 4px;
  background-color: var(--bg-subtle);
  border-radius: 2px;
  overflow: hidden;
}

.sec-bar {
  height: 100%;
  background-color: var(--status-err);
}

.bot-chart-box {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.bot-chart-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 0.5rem;
}

.chart-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.chart-row:last-child {
  margin-bottom: 0;
}

.chart-label {
  font-size: 0.82rem;
  color: var(--text-main);
  width: 280px;
  flex-shrink: 0;
}

.chart-track {
  flex-grow: 1;
  height: 6px;
  background-color: var(--bg-subtle);
  border-radius: 3px;
  overflow: hidden;
}

.chart-fill {
  height: 100%;
  background-color: var(--accent);
}

.chart-val {
  font-size: 0.75rem;
  color: var(--text-muted);
  width: 90px;
  text-align: right;
  flex-shrink: 0;
}

.crowdsec-explanation {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  font-size: 0.84rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.crowdsec-explanation strong {
  color: var(--text-bright);
}

/* Network Tests Grid (6 инструментов) */
.tests-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 1.15rem;
}

.test-card {
  background-color: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.test-title {
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.4rem;
}

.test-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  line-height: 1.5;
}

.btn-action {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-bright);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  padding: 0.5rem 0.8rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
  width: 100%;
  margin-bottom: 0.75rem;
}

.btn-action:hover:not(:disabled) {
  background-color: var(--border);
  border-color: var(--text-muted);
}

.btn-action:disabled {
  opacity: 0.7;
  cursor: wait;
}

.test-output {
  background-color: #0b0e14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.75rem;
  font-size: 0.76rem;
  color: var(--text-muted);
  min-height: 56px;
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
  transition: all 0.2s ease;
}

.test-output.running {
  color: var(--accent);
  border-color: rgba(88, 166, 255, 0.4);
}

/* Terminal */
.terminal-wrapper {
  background-color: #0a0d12;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.terminal-bar {
  background-color: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-lock-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  background-color: rgba(248, 81, 73, 0.1);
  border: 1px solid rgba(248, 81, 73, 0.3);
  color: var(--status-err);
}

.terminal-hints {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.hint-pill {
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.hint-pill:hover:not(:disabled) {
  background-color: var(--border);
  color: var(--text-bright);
}

.hint-pill:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.terminal-body {
  padding: 1rem;
  min-height: 240px;
  max-height: 380px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-main);
}

.term-line {
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
  margin-bottom: 0.3rem;
}

.cmd-prompt {
  color: var(--accent);
  margin-top: 0.4rem;
}

.text-err {
  color: var(--status-err);
}

.text-danger {
  color: var(--status-err);
}

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

.terminal-prompt-line {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
}

.term-prompt {
  color: var(--accent);
  font-weight: 500;
  white-space: nowrap;
}

.term-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  width: 100%;
}

.term-input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* 404 Page */
.error-page-container {
  padding: 4rem 1rem;
  text-align: center;
}

.error-code {
  font-family: var(--font-mono);
  font-size: 4rem;
  font-weight: 700;
  color: var(--status-err);
  line-height: 1;
  margin-bottom: 1rem;
}

.error-title {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 0.75rem;
}

.error-msg {
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto 1.5rem auto;
  font-size: 0.92rem;
  line-height: 1.6;
}

.btn-back {
  display: inline-block;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border);
  color: var(--text-bright);
  text-decoration: none;
  font-size: 0.85rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
}

.btn-back:hover {
  background-color: var(--border);
}

/* Footer */
.site-footer {
  margin-top: auto;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  background-color: var(--bg-panel);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-mail {
  color: var(--accent);
  text-decoration: none;
}

.footer-mail:hover {
  text-decoration: underline;
}

.font-mono {
  font-family: var(--font-mono);
}

@media (max-width: 768px) {
  .nav-wrapper {
    flex-direction: column;
    align-items: flex-start;
  }
  .main-nav {
    width: 100%;
    overflow-x: auto;
  }
  .center-hero-card {
    padding: 1.5rem;
  }
  .center-hero-title {
    font-size: 1.4rem;
  }
  .chart-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
  }
  .chart-label {
    width: 100%;
  }
  .chart-track {
    width: 100%;
  }
  .footer-content {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}