/* ================================================================
   nusport — Production Console Portfolio
   Stylesheet
   ================================================================ */

/* ── Reset & Variables ── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Dark theme (default) */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-terminal: #0d1117;
  --bg-terminal-bar: #1c2129;
  --bg-card: #161b22;
  --bg-overlay: rgba(0, 0, 0, 0.85);

  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;

  --accent-green: #3fb950;
  --accent-blue: #58a6ff;
  --accent-cyan: #39d2c0;
  --accent-yellow: #d29922;
  --accent-red: #f85149;
  --accent-purple: #bc8cff;

  --border-color: #21262d;
  --border-subtle: #30363d;

  --font-mono: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 900px;
}

/* Light theme */
[data-theme="light"] {
  --bg-primary: #f6f8fa;
  --bg-secondary: #ffffff;
  --bg-terminal: #ffffff;
  --bg-terminal-bar: #f0f1f3;
  --bg-card: #ffffff;
  --bg-overlay: rgba(255, 255, 255, 0.92);

  --text-primary: #1f2328;
  --text-secondary: #656d76;
  --text-muted: #8b949e;

  --accent-green: #1a7f37;
  --accent-blue: #0969da;
  --accent-cyan: #0a7d6c;
  --accent-yellow: #9a6700;
  --accent-red: #cf222e;
  --accent-purple: #8250df;

  --border-color: #d0d7de;
  --border-subtle: #d8dee4;

  --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ── Base ── */
html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-mono);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

::selection {
  background: var(--accent-blue);
  color: #fff;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-cyan);
}

/* ── Boot Overlay ── */
.boot-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.boot-overlay.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.boot-content {
  max-width: 700px;
  width: 90%;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #3fb950;
  line-height: 1.7;
}

.boot-log {
  white-space: pre-wrap;
  word-break: break-word;
}

.boot-cursor {
  display: inline-block;
  animation: blink 0.8s step-end infinite;
  color: #3fb950;
  font-weight: 700;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

/* ── Top Navigation ── */
.top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 48px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  transition: background var(--transition), border-color var(--transition);
  opacity: 0;
  transform: translateY(-100%);
}

.top-nav.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.5s ease, transform 0.5s ease, background var(--transition);
}

.nav-brand {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--accent-green);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  gap: 20px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-secondary);
  padding: 4px 0;
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--accent-blue);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-controls {
  display: flex;
  gap: 8px;
}

.theme-toggle,
.resume-toggle {
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: all var(--transition);
}

.theme-toggle:hover,
.resume-toggle:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

/* ── Main Content ── */
.main-content {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 80px 20px 40px;
}

.section {
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Terminal Window ── */
.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.terminal-bar {
  display: flex;
  align-items: center;
  padding: 0 16px;
  height: 40px;
  background: var(--bg-terminal-bar);
  border-bottom: 1px solid var(--border-color);
  gap: 12px;
  transition: background var(--transition), border-color var(--transition);
}

.terminal-dots {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #febc2e; }
.dot-green { background: #28c840; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
}

.terminal-bar-right {
  min-width: 56px;
  display: flex;
  justify-content: flex-end;
}

.bar-badge {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.badge-live {
  background: rgba(63, 185, 80, 0.15);
  color: var(--accent-green);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.terminal-body {
  padding: 20px 24px;
  font-size: 0.82rem;
  line-height: 1.7;
  min-height: 120px;
}

/* ── Prompt & Typed Command ── */
.prompt-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.prompt {
  color: var(--accent-green);
  font-weight: 600;
  flex-shrink: 0;
}

.typed-cmd {
  color: var(--accent-blue);
  font-weight: 400;
}

.typing-cursor {
  color: var(--accent-green);
  animation: blink 0.8s step-end infinite;
  margin-left: 2px;
  display: inline-block;
  font-weight: bold;
}

.typed-cmd.done .typing-cursor {
  display: none;
}

.output {
  color: var(--text-primary);
  font-size: 0.82rem;
  line-height: 1.7;
}

/* ── About / whoami ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

.hero-name {
  font-family: var(--font-sans);
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.hero-title {
  color: var(--accent-blue);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.hero-sub {
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--accent-green);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(63, 185, 80, 0.4); }
  50% { box-shadow: 0 0 0 6px rgba(63, 185, 80, 0); }
}

.about-meta {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 8px;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.78rem;
}

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

.meta-val {
  color: var(--text-primary);
  font-weight: 500;
}

/* ── Deploy Logs ── */
.deploy-body {
  max-height: 420px;
  overflow-y: auto;
}

.deploy-logs {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.deploy-line {
  display: flex;
  gap: 12px;
  font-size: 0.76rem;
  padding: 2px 0;
  opacity: 0;
  transform: translateX(-8px);
  animation: log-in 0.3s ease forwards;
}

.deploy-line .log-time {
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 80px;
}

.deploy-line .log-level {
  flex-shrink: 0;
  min-width: 50px;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.68rem;
  padding: 1px 0;
}

.deploy-line .log-level.info { color: var(--accent-blue); }
.deploy-line .log-level.ok { color: var(--accent-green); }
.deploy-line .log-level.warn { color: var(--accent-yellow); }
.deploy-line .log-level.deploy { color: var(--accent-cyan); }

.deploy-line .log-msg {
  color: var(--text-secondary);
}

.deploy-line .log-repo {
  color: var(--accent-cyan);
  font-weight: 500;
  font-size: 0.72rem;
  opacity: 0.9;
  margin-right: 6px;
}

/* Heatmap specific styling */
.deploy-line.heatmap-line {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  letter-spacing: 0.05em;
}

.deploy-line.heatmap-line .log-msg {
  color: var(--accent-green);
  font-weight: 500;
  white-space: pre;
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Year navigation styling */
.deploy-line.year-nav {
  transition: all 0.2s ease;
}

.deploy-line.year-nav:hover {
  background: rgba(52, 211, 153, 0.1);
  transform: translateX(2px);
}

.deploy-line.year-nav .log-msg {
  color: var(--accent-cyan);
  font-weight: 600;
}

.deploy-line.year-nav:hover .log-msg {
  color: var(--accent-green);
}

@keyframes log-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ── Stack Grid ── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

.stack-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  transition: border-color var(--transition), background var(--transition);
}

.stack-category:hover {
  border-color: var(--accent-blue);
}

.stack-category-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
  font-weight: 600;
}

.stack-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack-tag {
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-weight: 400;
  transition: all var(--transition);
}

.stack-tag:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* ── Git Log ── */
.git-log {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.git-entry {
  display: grid;
  grid-template-columns: 24px 70px 1fr auto;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
  transition: background var(--transition);
}

.git-entry:last-child {
  border-bottom: none;
}

.git-graph {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  position: relative;
}

.git-node {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-blue);
  border: 2px solid var(--bg-terminal);
  z-index: 1;
  flex-shrink: 0;
}

.git-entry:nth-child(odd) .git-node {
  background: var(--accent-green);
}

.git-entry:nth-child(3n) .git-node {
  background: var(--accent-purple);
}

.git-hash {
  font-size: 0.74rem;
  color: var(--accent-yellow);
  font-weight: 500;
  padding-top: 0;
}

.git-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.git-msg {
  font-size: 0.82rem;
  color: var(--text-primary);
  font-weight: 500;
}

.git-desc {
  font-size: 0.76rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  line-height: 1.5;
}

.git-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.git-tag {
  font-size: 0.66rem;
  padding: 2px 8px;
  border-radius: 4px;
  background: rgba(88, 166, 255, 0.1);
  color: var(--accent-blue);
  font-weight: 500;
}

.git-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
  padding-top: 1px;
}

/* ── Education ── */
.edu-card {
  padding: 8px 0;
}

.edu-degree {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
  font-family: var(--font-sans);
}

.edu-school {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
}

.edu-details {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.edu-details span {
  font-size: 0.74rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* ── Interests ── */
.interests-output {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.interest-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: border-color var(--transition), background var(--transition);
}

.interest-item:hover {
  border-color: var(--accent-cyan);
}

.interest-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.interest-item strong {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-primary);
  display: block;
  margin-bottom: 2px;
}

.interest-item p {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  margin: 0;
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all var(--transition);
  text-decoration: none;
}

.contact-card:hover {
  border-color: var(--accent-blue);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.contact-label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

.contact-value {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 500;
}

/* ── Interactive Terminal ── */
.terminal-interactive .terminal-body {
  padding-bottom: 16px;
}

.interactive-body {
  display: flex;
  flex-direction: column;
}

.interactive-history {
  max-height: 320px;
  overflow-y: auto;
  padding-bottom: 12px;
}

.interactive-history .output {
  margin-bottom: 8px;
}

.interactive-history .prompt-line {
  margin-bottom: 4px;
}

.interactive-history strong {
  color: var(--accent-cyan);
}

.interactive-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.cmd-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  caret-color: var(--accent-green);
}

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

.suggestions {
  display: none;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px 0 0 22px;
}

.suggestions.active {
  display: flex;
}

.suggestion-tag {
  font-size: 0.72rem;
  padding: 3px 10px;
  border-radius: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.suggestion-tag:hover,
.suggestion-tag.active {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

/* ── Resume Overlay ── */
.resume-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.resume-overlay.active {
  opacity: 1;
  visibility: visible;
}

.resume-sheet {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  width: 90%;
  max-width: 680px;
  max-height: 85vh;
  overflow-y: auto;
  padding: 40px;
  position: relative;
  box-shadow: var(--shadow);
  transform: translateY(20px);
  transition: transform 0.4s ease;
}

.resume-overlay.active .resume-sheet {
  transform: translateY(0);
}

.resume-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.resume-close:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.resume-content h2 {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.resume-content .resume-subtitle {
  color: var(--accent-blue);
  font-size: 0.88rem;
  margin-bottom: 24px;
}

.resume-content h3 {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 24px;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-color);
}

.resume-content p,
.resume-content li {
  font-family: var(--font-sans);
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.resume-content ul {
  list-style: none;
  padding: 0;
}

.resume-content li {
  padding: 3px 0;
  padding-left: 14px;
  position: relative;
}

.resume-content li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent-green);
  font-weight: 700;
}

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: 24px 20px;
  font-size: 0.72rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-subtle);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ── Responsive ── */
@media (max-width: 700px) {
  .nav-links {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

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

  .git-entry {
    grid-template-columns: 20px 1fr;
    gap: 8px;
  }

  .git-hash,
  .git-date {
    display: none;
  }

  .terminal-body {
    padding: 16px;
  }

  .hero-name {
    font-size: 1.5rem;
  }

  .resume-sheet {
    padding: 24px;
  }

  .main-content {
    padding: 64px 12px 24px;
  }
}

@media (max-width: 480px) {
  .terminal-title {
    display: none;
  }

  .terminal-bar {
    height: 36px;
    padding: 0 12px;
  }

  .dot {
    width: 10px;
    height: 10px;
  }
}