/* ==========================================================================
   ANDRZEJ PARA — PERSONAL EXECUTIVE CARD
   Palantir Defense-Tech Visual System · Pitch-Black Monochrome (#000000)
   Precision Hairline Grids · Telemetry Architecture · Zero Dependencies
   ========================================================================== */

:root {
  /* PALANTIR DEFENSE-TECH VISUAL SYSTEM — Permanent Pitch-Black Canvas */
  --bg: #000000;
  --bg-card: #000000;
  --bg-card-subtle: #050505;
  --bg-hover: #0e0e11;
  --border: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(255, 255, 255, 0.32);
  --hairline: 1px solid rgba(255, 255, 255, 0.12);
  --text-main: #ffffff;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --accent: #ffffff;
  --accent-inv: #000000;
  --kbd-bg: #101012;
  --kbd-border: rgba(255, 255, 255, 0.16);
  --pulse-dot: #ffffff;
  --pulse-glow: rgba(255, 255, 255, 0.45);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Fallback / compatibility stub: maintains pitch-black environment */
[data-theme="light"] {
  --bg: #000000;
  --bg-card: #000000;
  --bg-hover: #0e0e11;
  --border: rgba(255, 255, 255, 0.12);
  --border-hover: rgba(255, 255, 255, 0.32);
  --text-main: #ffffff;
  --text-muted: #a1a1aa;
  --text-dim: #71717a;
  --accent: #ffffff;
  --accent-inv: #000000;
  --kbd-bg: #101012;
  --kbd-border: rgba(255, 255, 255, 0.16);
  --pulse-dot: #ffffff;
  --pulse-glow: rgba(255, 255, 255, 0.45);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--bg);
}

body {
  background-color: var(--bg);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 3rem 1.25rem 4rem;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.mono {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
}

.bold {
  font-weight: 600;
}

/* Branch arrow marker */
.branch-arrow {
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 0.85em;
  margin-right: 0.35rem;
  display: inline-block;
  user-select: none;
}

/* Skip link for accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1.5rem;
  background: var(--accent);
  color: var(--accent-inv);
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  border-radius: 2px;
  z-index: 1000;
  text-decoration: none;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 1rem;
}

/* Container */
.site-wrap {
  width: 100%;
  max-width: 660px;
  display: flex;
  flex-direction: column;
  gap: 2.75rem;
}

/* ==========================================================================
   MASTHEAD / TOP UTILITY BAR & VECTOR 'AP' MONOGRAM
   ========================================================================== */

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.masthead-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ap-monogram {
  display: block;
  flex-shrink: 0;
  transition: transform 0.28s var(--ease);
}

.masthead-brand:hover .ap-monogram {
  transform: rotate(45deg);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.6875rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.status-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--pulse-dot);
  box-shadow: 0 0 6px var(--pulse-glow);
  animation: pulse-silver 2.4s infinite ease-in-out;
}

@keyframes pulse-silver {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.masthead-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.btn-ctrl {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  height: 28px;
  padding: 0 0.55rem;
  border-radius: 2px;
  font-size: 0.6875rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  transition: all 0.18s var(--ease);
}

.btn-ctrl:hover {
  background: var(--bg-hover);
  color: var(--text-main);
  border-color: var(--border-hover);
}

/* ==========================================================================
   HERO / IDENTITY
   ========================================================================== */

.hero {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.hero-topline {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 0.8125rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-statement {
  font-size: 0.9375rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.hero-statement em {
  font-style: normal;
  color: var(--text-main);
  font-weight: 500;
}

/* Print-only contact strip */
.print-contact-strip {
  display: none;
  font-size: 0.75rem;
  color: var(--text-dim);
  gap: 0.5rem;
  margin-top: 0.25rem;
}

/* Action Buttons Bar */
.action-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 500;
  border-radius: 2px;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.18s var(--ease);
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-inv);
  border-color: var(--accent);
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border-color: var(--border);
}

.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.arrow-glyph {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* Metrics Row — Telemetry Column Grid with Vertical Dividers */
.metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  padding: 0.85rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-top: 0.5rem;
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0 0.85rem;
  border-right: 1px solid var(--border);
}

.metric:first-child {
  padding-left: 0;
}

.metric:last-child {
  border-right: none;
  padding-right: 0;
}

.m-val {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
}

.m-lbl {
  font-size: 0.625rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
}

/* ==========================================================================
   SUBNAV / TERMINAL JUMP LINKS
   ========================================================================== */

.subnav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.6875rem;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.65rem;
  overflow-x: auto;
  white-space: nowrap;
}

.subnav-link {
  color: var(--text-dim);
  text-decoration: none;
  padding: 0.2rem 0.35rem;
  border-radius: 2px;
  transition: all 0.15s ease;
}

.subnav-link:hover {
  color: var(--text-main);
  background: var(--bg-hover);
}

.subnav-link .num {
  opacity: 0.7;
  margin-right: 0.25rem;
}

/* ==========================================================================
   SECTIONS & SECTION HEADINGS
   ========================================================================== */

.section {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.section-tag {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.tag-index {
  font-size: 0.6875rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.tag-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-sans);
}

/* ==========================================================================
   01 // FOCUS AREAS (Clean, compact 2x2 grid)
   ========================================================================== */

.focus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.focus-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.85rem;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: border-color 0.2s var(--ease);
}

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

.focus-head {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
}

.focus-marker {
  font-size: 0.5rem;
  opacity: 0.5;
}

.focus-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.sector-capsules {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.625rem;
  color: var(--text-dim);
  padding: 0.4rem 0.65rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
}

.sector-sep {
  opacity: 0.3;
}

/* ==========================================================================
   02 // SELECTED ENGAGEMENTS (Compact rows)
   ========================================================================== */

.compact-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.compact-row {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 0.85rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  transition: all 0.18s var(--ease);
}

.compact-row:hover {
  border-color: var(--border-hover);
  background: var(--bg-hover);
}

.row-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.6875rem;
}

.row-domain {
  color: var(--text-main);
  font-weight: 600;
  letter-spacing: 0.04em;
}

.row-scope {
  color: var(--text-dim);
  font-size: 0.625rem;
  display: flex;
  align-items: center;
}

.row-detail {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   03 // TRAJECTORY & RECOGNITION (Chronological table)
   ========================================================================== */

.trajectory-table {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.traj-row {
  display: grid;
  grid-template-columns: 100px 1fr;
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  gap: 0.75rem;
  transition: background-color 0.15s ease;
}

.traj-row:last-child {
  border-bottom: none;
}

.traj-row:hover {
  background: var(--bg-hover);
}

.traj-time {
  font-size: 0.6875rem;
  color: var(--text-dim);
  padding-top: 0.1rem;
}

.traj-main {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.traj-entity {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem;
}

.traj-role {
  font-size: 0.8125rem;
  color: var(--text-main);
}

.traj-org {
  font-size: 0.6875rem;
  color: var(--text-dim);
}

.traj-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.badges-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.25rem;
}

.badge-item {
  font-size: 0.625rem;
  color: var(--text-dim);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.25rem 0.5rem;
  border-radius: 2px;
}

/* ==========================================================================
   04 // CONNECT & FOOTER
   ========================================================================== */

.connect-section {
  gap: 1rem;
}

.connect-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.connect-pitch {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.connect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.5rem;
}

.connect-tile {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.6rem 0.7rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 2px;
  text-decoration: none;
  transition: all 0.15s ease;
}

.connect-tile:hover {
  border-color: var(--border-hover);
  transform: translateY(-1px);
}

.tile-label {
  font-size: 0.5625rem;
  color: var(--text-dim);
  letter-spacing: 0.05em;
}

.tile-val {
  font-size: 0.6875rem;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Site Footer */
.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.6875rem;
  color: var(--text-dim);
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.footer .dot {
  margin: 0 0.35rem;
  opacity: 0.4;
}

.f-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.4rem;
  border-radius: 2px;
  transition: color 0.15s ease;
}

.f-btn:hover {
  color: var(--text-main);
}

/* Keyboard keys formatting */
kbd {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  background: var(--kbd-bg);
  color: var(--text-main);
  border: 1px solid var(--kbd-border);
  padding: 0.1rem 0.3rem;
  border-radius: 2px;
  line-height: 1;
}

/* ==========================================================================
   KEYBOARD SHORTCUTS MODAL
   ========================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 999;
}

.modal-backdrop[hidden] {
  display: none !important;
}

.modal-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border-hover);
  border-radius: 2px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 1.2rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.75rem;
}

.s-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-muted);
}

/* ==========================================================================
   TOAST NOTIFICATION
   ========================================================================== */

.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  pointer-events: none;
  background: var(--accent);
  color: var(--accent-inv);
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.45rem 0.9rem;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  transition: all 0.2s var(--ease);
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-inv);
}

/* ==========================================================================
   RESPONSIVENESS (MOBILE)
   ========================================================================== */

@media (max-width: 600px) {
  body {
    padding: 1.5rem 1rem 3rem;
  }

  .site-wrap {
    gap: 2rem;
  }

  .hide-mobile {
    display: none !important;
  }

  .focus-grid {
    grid-template-columns: 1fr;
  }

  .metrics-row {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 0;
  }

  .metric:nth-child(2) {
    border-right: none;
    padding-right: 0;
  }

  .metric:nth-child(3) {
    padding-left: 0;
  }

  .traj-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .connect-grid {
    grid-template-columns: 1fr;
  }

  .footer {
    flex-direction: column;
    gap: 0.5rem;
    align-items: flex-start;
  }
}

/* ==========================================================================
   A4 EXECUTIVE 1-PAGER PRINT STYLESHEET
   ========================================================================== */

@media print {
  :root {
    --bg: #ffffff;
    --bg-card: #ffffff;
    --border: #bbbbbb;
    --text-main: #000000;
    --text-muted: #333333;
    --text-dim: #555555;
    --accent: #000000;
    --accent-inv: #ffffff;
  }

  @page {
    size: A4 portrait;
    margin: 10mm 12mm;
  }

  html, body {
    background: #ffffff !important;
    color: #000000 !important;
    font-size: 8pt !important;
    padding: 0 !important;
  }

  .site-wrap {
    max-width: 100% !important;
    gap: 0.65rem !important;
  }

  .masthead-controls,
  .action-bar,
  .subnav,
  .skip-link,
  .modal-backdrop,
  .toast,
  .footer {
    display: none !important;
  }

  .masthead {
    border-bottom: 1pt solid #000 !important;
    padding-bottom: 3pt !important;
  }

  .ap-monogram {
    filter: invert(1) !important;
  }

  .status-badge {
    color: #444444 !important;
  }

  .status-pulse {
    background-color: #000000 !important;
    box-shadow: none !important;
  }

  .print-contact-strip {
    display: flex !important;
    color: #000000 !important;
    font-size: 7.5pt !important;
    margin-top: 0.25rem !important;
  }

  .metrics-row {
    background: #ffffff !important;
    border: 0.5pt solid #999 !important;
    padding: 0.4rem 0.6rem !important;
  }

  .metric:not(:last-child) {
    border-right: 0.5pt solid #bbb !important;
  }

  .m-val {
    color: #000000 !important;
    font-size: 1rem !important;
  }

  .m-lbl {
    color: #444444 !important;
    font-size: 6.5pt !important;
  }

  .focus-grid {
    gap: 0.4rem !important;
  }

  .focus-item,
  .compact-row,
  .traj-row,
  .connect-card,
  .connect-tile {
    background: #ffffff !important;
    border: 0.5pt solid #bbb !important;
    color: #000000 !important;
    box-shadow: none !important;
    padding: 0.35rem 0.6rem !important;
  }

  .badge-item,
  .capsule {
    background: #ffffff !important;
    border: 0.5pt solid #bbb !important;
    color: #222222 !important;
    padding: 0.15rem 0.4rem !important;
  }

  .hero-title,
  .tag-title,
  .focus-name,
  .row-domain,
  .traj-role,
  .tile-val {
    color: #000000 !important;
  }

  .hero-subtitle,
  .tile-label {
    color: #444444 !important;
  }

  .hero-statement,
  .focus-desc,
  .row-detail,
  .traj-sub,
  .connect-pitch {
    color: #222222 !important;
  }

  .hero-statement em {
    color: #000000 !important;
  }

  .branch-arrow {
    color: #444444 !important;
  }

  .section-tag {
    margin-bottom: 0.3rem !important;
  }

  .trajectory-table {
    gap: 0.3rem !important;
  }

  .connect-grid {
    gap: 0.4rem !important;
  }

  .section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}