:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, Monaco, "Cascadia Code", "Fira Code", monospace;
  
  /* Dark Theme (Default) */
  --color-accent: #22c55e;
  --color-accent-dark: #16a34a;
  --color-accent-light: rgba(34, 197, 94, 0.12);
  --color-accent-glow: rgba(34, 197, 94, 0.25);
  --color-text-main: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dim: #64748b;
  --color-border: #16361d;
  --color-border-subtle: #102615;
  --color-bg-page: #060907;
  --color-bg-card: #090e0b;
  --color-bg-subtle: #050806;
  --color-badge-bg: rgba(34, 197, 94, 0.1);
  --color-badge-border: #1a4323;
  --card-shadow: 0 16px 45px rgba(0, 0, 0, 0.65), 0 0 0 1px rgba(34, 197, 94, 0.1);
}

:root[data-theme="light"] {
  --color-accent: #15803d;
  --color-accent-dark: #166534;
  --color-accent-light: #dcfce7;
  --color-accent-glow: rgba(21, 128, 61, 0.15);
  --color-text-main: #0f172a;
  --color-text-muted: #475569;
  --color-text-dim: #64748b;
  --color-border: #e2e8f0;
  --color-border-subtle: #f1f5f9;
  --color-bg-page: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-subtle: #f1f5f9;
  --color-badge-bg: #f0fdf4;
  --color-badge-border: #bbf7d0;
  --card-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08), 0 0 0 1px rgba(15, 23, 42, 0.05);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--color-bg-page);
  color: var(--color-text-main);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
  overflow-x: hidden;
}

/* Action Bar */
.resume-actions-bar {
  max-width: 900px;
  margin: 20px auto 0;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-mono);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid var(--color-border);
  background: var(--color-bg-card);
  color: var(--color-text-main);
}

.action-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-1px);
}

.resume-actions-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.theme-btn {
  background: var(--color-bg-subtle);
}

.theme-btn:hover {
  background: var(--color-accent-light);
}

.download-btn {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

.download-btn:hover {
  background: var(--color-accent);
  color: #020603;
}

.print-btn {
  background: var(--color-accent);
  color: #020603;
  border-color: var(--color-accent);
  font-weight: 700;
}

.print-btn:hover {
  box-shadow: 0 0 15px var(--color-accent-glow);
  color: #020603;
}

/* Resume Document Sheet */
.resume {
  max-width: 900px;
  margin: 16px auto 60px;
  padding: clamp(28px, 5vw, 60px);
  background: var(--color-bg-card);
  border-radius: 8px;
  border: 1px solid var(--color-border);
  box-shadow: var(--card-shadow);
  transition: background-color 0.25s ease, border-color 0.25s ease;
}

/* Header */
.resume-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  padding-bottom: 24px;
  border-bottom: 2.5px solid var(--color-accent);
}

.header-main {
  flex: 1;
}

.eyebrow {
  margin: 0;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 6px 0 6px;
  font-size: clamp(26px, 4vw, 36px);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-text-main);
  line-height: 1.15;
}

.role {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-muted);
  line-height: 1.4;
}

.resume-links {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  font-size: 12.5px;
  white-space: nowrap;
  font-family: var(--font-mono);
}

.resume-links a,
.resume-links .location {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.resume-icon {
  flex-shrink: 0;
  display: inline-block;
  vertical-align: middle;
  color: var(--color-accent);
}

.resume-links a {
  color: var(--color-text-main);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s;
}

.resume-links a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.resume-links .location {
  color: var(--color-text-dim);
  font-size: 11.5px;
  margin-top: 2px;
}

/* Section */
section {
  padding: 24px 0;
  border-bottom: 1px solid var(--color-border);
}

section:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}

h2 {
  margin: 0 0 16px;
  font-size: 12.5px;
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 10px;
}

h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

h3 {
  margin: 0;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--color-text-main);
  line-height: 1.35;
}

p {
  margin: 6px 0 0;
  color: var(--color-text-muted);
}

/* Education & Items */
.item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}

.item + .item {
  margin-top: 22px;
  padding-top: 20px;
  border-top: 1px dashed var(--color-border);
}

.institution {
  font-weight: 600;
  color: var(--color-text-main);
  margin: 3px 0 6px;
  font-size: 14px;
}

.item-desc {
  font-size: 13.5px;
  color: var(--color-text-muted);
  margin-top: 5px;
  line-height: 1.6;
}

.item-meta {
  flex: 0 0 auto;
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.badge {
  display: inline-block;
  background: var(--color-badge-bg);
  color: var(--color-accent);
  border: 1px solid var(--color-badge-border);
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

.date {
  margin: 0;
  font-size: 12.5px;
  font-weight: 500;
  color: var(--color-text-dim);
  font-family: var(--font-mono);
}

.track-code {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  color: var(--color-accent);
}

/* Skills Grid */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.skill-category {
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 14px 16px;
}

.skill-category h4 {
  margin: 0 0 10px;
  font-size: 11.5px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 700;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tags span {
  display: inline-block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-main);
  font-size: 11.5px;
  font-weight: 500;
  font-family: var(--font-mono);
  padding: 3px 8px;
  border-radius: 4px;
}

/* Projects */
.project-item .item-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
}

.tech-stack {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-accent);
  background: var(--color-badge-bg);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--color-badge-border);
}

.item-bullets {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 13.5px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.item-bullets li {
  margin-bottom: 5px;
}

.project-link {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 12px;
  font-family: var(--font-mono);
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-subtle);
  border-radius: 4px;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.project-link:hover {
  background: var(--color-accent);
  color: #020603;
  border-color: var(--color-accent);
  box-shadow: 0 0 10px var(--color-accent-glow);
}

/* Competencies */
.competencies-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.comp-item {
  font-size: 13px;
  color: var(--color-text-muted);
  background: var(--color-bg-subtle);
  padding: 11px 14px;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 4px 4px 0;
  border-top: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  line-height: 1.55;
}

.comp-item strong {
  color: var(--color-text-main);
  font-family: var(--font-mono);
  font-size: 12px;
}

/* Responsive */
@media (max-width: 768px) {
  .resume-actions-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  
  .resume-actions-right {
    width: 100%;
    justify-content: space-between;
  }

  .action-btn {
    justify-content: center;
    flex: 1;
    padding: 8px 10px;
    font-size: 12px;
  }

  .resume {
    margin: 12px 10px 40px;
    padding: 24px 16px;
    border-radius: 4px;
  }

  .resume-header {
    flex-direction: column;
    gap: 16px;
  }

  .resume-links {
    align-items: flex-start;
    white-space: normal;
    width: 100%;
  }

  .resume-links a,
  .resume-links .location {
    word-break: break-all;
  }

  .item {
    flex-direction: column;
    gap: 8px;
  }

  .item-meta {
    align-items: flex-start;
    text-align: left;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 12px;
  }

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

/* Print Optimization */
@media print {
  @page {
    margin: 0.4in 0.45in;
    size: A4 portrait;
  }

  body {
    background: #ffffff !important;
    color: #0f172a !important;
    font-size: 13px !important;
    line-height: 1.45 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .resume-actions-bar {
    display: none !important;
  }

  .resume {
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none !important;
    border: none !important;
    border-radius: 0 !important;
    background: #ffffff !important;
  }

  section {
    padding: 12px 0 !important;
    page-break-inside: avoid;
    break-inside: avoid;
    border-bottom: 1px solid #e2e8f0 !important;
  }

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

  h1 {
    color: #0f172a !important;
    font-size: 28px !important;
  }

  .role {
    color: #475569 !important;
  }

  .resume-header {
    padding-bottom: 14px !important;
    border-bottom: 2.5px solid #15803d !important;
  }

  .resume-icon {
    color: #15803d !important;
  }

  .resume-links a {
    color: #15803d !important;
    text-decoration: none !important;
  }

  h2 {
    color: #15803d !important;
  }

  h2::after {
    background: #e2e8f0 !important;
  }

  h3 {
    color: #0f172a !important;
  }

  p,
  .item-desc,
  .item-bullets {
    color: #334155 !important;
  }

  .tech-stack {
    background: #f0fdf4 !important;
    border: 1px solid #bbf7d0 !important;
    color: #15803d !important;
  }

  .badge {
    background: #f0fdf4 !important;
    border: 1px solid #bbf7d0 !important;
    color: #15803d !important;
  }

  .project-link {
    border-color: #cbd5e1 !important;
    background: #ffffff !important;
    color: #15803d !important;
  }

  .skill-category {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
  }

  .skill-category h4 {
    color: #15803d !important;
  }

  .skill-tags span {
    background: #ffffff !important;
    border: 1px solid #cbd5e1 !important;
    color: #0f172a !important;
  }

  .comp-item {
    background: #f8fafc !important;
    border: 1px solid #e2e8f0 !important;
    border-left: 3px solid #15803d !important;
  }

  .comp-item strong {
    color: #0f172a !important;
  }
}