/*
 * kthread.dev - Tactical / Military UI
 * Copyright (c) 2025 kthread
 */

:root {
  --font-main: 'Recursive', monospace;
  --c-bg: #0b0b0b;
  --c-panel: #141414;
  --c-accent: #ccff00; /* Tactical Lime */
  --c-text: #eeeeee;
  --c-dim: #666666;
  --c-border: #333333;
  
  --corner-size: 12px;
}

* {
  box-sizing: border-box;
}

::selection {
  background: var(--c-accent);
  color: var(--c-bg);
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--c-bg);
  color: var(--c-text);
  font-family: var(--font-main);
  font-variation-settings: 'MONO' 1, 'CASL' 0, 'CRSV' 0;
  line-height: 1.5;
  overflow-x: hidden;
  background-image: 
    radial-gradient(var(--c-border) 1px, transparent 1px);
  background-size: 40px 40px;
}

#noise-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.08;
  pointer-events: none;
  mix-blend-mode: overlay;
}

.layout-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
  max-width: 1600px;
  margin: 0 auto;
}

/* Sidebar / Operator Panel */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid var(--c-border);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background: rgba(11, 11, 11, 0.9);
  backdrop-filter: blur(10px);
}

.brand {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--c-text);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 3rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand::before {
  content: '';
  display: block;
  width: 12px;
  height: 12px;
  background: var(--c-accent);
  box-shadow: 0 0 10px var(--c-accent);
}

.nav-links {
  display: flex;
  flex-direction: column;
  gap: 2px; /* Tight stacking */
}

.nav-item {
  position: relative;
  color: var(--c-dim);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 600;
  background: linear-gradient(90deg, transparent, transparent);
  transition: all 0.2s ease;
  border-left: 2px solid transparent;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.nav-item:hover {
  color: var(--c-bg);
  background: var(--c-accent);
  border-left-color: var(--c-text);
  padding-left: 1.5rem;
  clip-path: polygon(0 0, 95% 0, 100% 50%, 95% 100%, 0 100%);
}

.status-panel {
  border: 1px solid var(--c-border);
  padding: 1rem;
  font-size: 0.7rem;
  color: var(--c-dim);
  background: var(--c-panel);
  position: relative;
}

.status-panel::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 10px;
  height: 10px;
  background: var(--c-border);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

.status-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.status-value {
  color: var(--c-accent);
}

/* Main Content */
.content {
  padding: 4rem 6rem;
}

.section-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 0.5rem;
}

.section-marker {
  font-size: 3rem;
  font-weight: 900;
  color: var(--c-border);
  line-height: 1;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  margin: 0;
  color: var(--c-text);
  letter-spacing: 1px;
}

/* Tactical Cards */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.project-card {
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  position: relative;
  transition: transform 0.2s, border-color 0.2s;
  /* Chamfered corner top-right only */
  clip-path: polygon(
    0 0, 
    calc(100% - var(--corner-size)) 0, 
    100% var(--corner-size), 
    100% 100%, 
    0 100%
  );
}

.project-card:hover {
  border-color: var(--c-accent);
  transform: translateY(-2px);
}

.project-card:hover .project-header {
  background: var(--c-accent);
  color: var(--c-bg);
}

.project-header {
  padding: 0.75rem 1.5rem;
  background: var(--c-border);
  color: var(--c-text);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  display: flex;
  justify-content: space-between;
  transition: background 0.2s, color 0.2s;
}

.project-body {
  padding: 1.5rem;
}

.project-title {
  font-size: 1.25rem;
  margin: 0 0 0.5rem 0;
  color: var(--c-text);
  font-weight: 600;
}

.project-desc {
  color: var(--c-dim);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tech-tag {
  font-size: 0.7rem;
  background: rgba(255,255,255,0.05);
  padding: 0.25rem 0.5rem;
  text-transform: uppercase;
  color: var(--c-text);
  border-left: 2px solid var(--c-accent);
}

/* Skills Grid */
.skills-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 1rem;
}

.skill-block {
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  position: relative;
  transition: all 0.2s;
}

.skill-block::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--c-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s;
}

.skill-block:hover {
  background: #1a1a1a;
  color: var(--c-accent);
}

.skill-block:hover::before {
  transform: scaleX(1);
}

/* Contact List */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  background: var(--c-panel);
  border: 1px solid var(--c-border);
  padding: 1rem 2rem;
  text-decoration: none;
  color: var(--c-text);
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}

.contact-item::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--c-accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.contact-item:hover {
  border-color: var(--c-accent);
  padding-left: 2.5rem;
}

.contact-item:hover::after {
  opacity: 1;
}

.contact-label {
  width: 120px;
  color: var(--c-dim);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.contact-value {
  font-weight: 600;
}

/* Footer */
.footer {
  margin-top: 6rem;
  border-top: 1px solid var(--c-border);
  padding-top: 2rem;
  color: var(--c-dim);
  font-size: 0.75rem;
  display: flex;
  justify-content: space-between;
  text-transform: uppercase;
}

/* Cursor */
body {
  cursor: none;
}

#tactical-cursor {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  pointer-events: none;
  z-index: 9999;
  transform: translate3d(-50%, -50%, 0);
  mix-blend-mode: difference;
  transition: width 0.2s, height 0.2s;
}

/* Crosshair lines */
#tactical-cursor::before,
#tactical-cursor::after {
  content: '';
  position: absolute;
  background: var(--c-accent);
  transition: all 0.2s;
}

/* Horizontal line */
#tactical-cursor::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

/* Vertical line */
#tactical-cursor::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

/* Locked state (Latching) - REMOVED */

/* Text Scramble Dud */
.dud {
  color: var(--c-dim);
  opacity: 0.7;
}

/* Term Triggers */
.term-trigger {
  color: var(--c-accent);
  cursor: pointer;
  border-bottom: 1px dashed var(--c-accent);
  position: relative;
  transition: all 0.2s;
}

.term-trigger:hover {
  background: rgba(204, 255, 0, 0.1);
  color: #fff;
}

/* Tactical Popup */
#tactical-popup {
  position: fixed;
  z-index: 1000;
  background: rgba(11, 11, 11, 0.95);
  border: 1px solid var(--c-accent);
  padding: 0;
  width: 300px;
  pointer-events: none;
  opacity: 0;
  /* Initial state for animation */
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s;
  backdrop-filter: blur(5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  /* Chamfered corners */
  clip-path: polygon(
    0 0, 
    100% 0, 
    100% calc(100% - 10px), 
    calc(100% - 10px) 100%, 
    0 100%
  );
}

#tactical-popup.visible {
  opacity: 1;
  transform: translateY(0);
}

.popup-header {
  background: var(--c-accent);
  color: var(--c-bg);
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.25rem 0.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.popup-content {
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--c-text);
  line-height: 1.4;
}

/* Status Line & Carousel */
.bio-text {
  font-size: 1.1rem;
  max-width: 800px;
  margin-bottom: 2rem;
  color: #ccc;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-family: var(--font-main);
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.25rem 0.75rem;
  border-left: 2px solid var(--c-accent);
}

.status-label {
  color: var(--c-dim);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.status-dynamic {
  color: var(--c-accent);
  font-weight: 600;
  min-width: 150px;
}

/* Preloader */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--c-bg);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease-out;
}

#preloader.fade-out {
  opacity: 0;
  pointer-events: none;
}

#ascii-skull {
  font-family: monospace;
  font-size: 10px; /* Smaller font for Petya skull */
  line-height: 1.2;
  color: var(--c-accent);
  text-align: center;
  white-space: pre;
  text-shadow: 0 0 10px var(--c-accent);
}

/* Mobile */
@media (max-width: 900px) {
  body {
    cursor: auto;
  }
  #tactical-cursor {
    display: none;
  }

  .layout-grid {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    height: auto;
    position: relative;
    border-right: none;
    border-bottom: 1px solid var(--c-border);
    padding: 1.5rem;
  }
  
  .content {
    padding: 2rem 1.5rem;
  }
  
  .nav-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .nav-item {
    flex: 1;
    text-align: center;
    clip-path: none;
    border: 1px solid var(--c-border);
    border-left: 1px solid var(--c-border);
  }
  
  .nav-item:hover {
    padding-left: 1rem;
    clip-path: none;
  }
}