/* ============================================================
   CSS CUSTOM PROPERTIES — edit these to theme your site!
   TODO: Try asking Copilot to suggest a color palette for you.
   ============================================================ */
:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f5f7fa;
  --color-text: #1a1a2e;
  --color-text-muted: #555577;
  --color-accent: #4f46e5;
  --color-accent-hover: #4338ca;
  --color-border: #e2e8f0;
  --font-main: 'Segoe UI', system-ui, sans-serif;
  --radius: 10px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  --transition: 0.2s ease;
}

html[data-theme="dark"] {
  --color-bg: #121212;
  --color-bg-alt: #1a1a1a;
  --color-text: #f3f4f6;
  --color-text-muted: #c4c4c4;
  --color-accent: #ef4444;
  --color-accent-hover: #dc2626;
  --color-border: #3a3a3a;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

/* TODO: Add a [data-theme="dark"] block here for dark mode.
   Copilot can generate this for you — try:
   "Add a dark mode theme using CSS custom properties" */

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
  position: relative;
}

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

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

/* ============================================================
   NAVIGATION
   ============================================================ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.nav-logo {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-accent);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 500;
}

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

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  border: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

.theme-toggle-track {
  position: relative;
  width: 3.25rem;
  height: 1.8rem;
  border-radius: 999px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  padding: 0.15rem;
  transition: background var(--transition), border-color var(--transition);
}

.theme-toggle-thumb {
  display: block;
  width: 1.45rem;
  height: 1.45rem;
  border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
  position: relative;
  transform: translateX(0);
  transition: transform var(--transition), background var(--transition);
}

.theme-toggle-thumb::before {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  line-height: 1;
  color: var(--color-text-muted);
  transition: color var(--transition), opacity var(--transition);
  content: "☀";
}

.theme-toggle[aria-pressed="true"] .theme-toggle-track {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.theme-toggle[aria-pressed="true"] .theme-toggle-thumb::before {
  content: "☾";
  color: #8e8e8e;
}

.theme-toggle[aria-pressed="false"] .theme-toggle-thumb::before {
  color: #8e8e8e;
}

.theme-toggle[aria-pressed="true"] .theme-toggle-thumb {
  transform: translateX(1.45rem);
}

.theme-toggle[aria-pressed="false"] .theme-toggle-thumb::before {
  opacity: 0.55;
}

.theme-toggle-label {
  font-size: 0.95rem;
  width: 6.5rem;
  text-align: right;
  flex: 0 0 6.5rem;
}

.theme-toggle:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 999px;
}

.draw-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.6rem;
  height: 2.6rem;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-accent);
  font: inherit;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.draw-toggle:hover,
.draw-toggle:focus-visible {
  transform: translateY(-1px);
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.draw-toggle[aria-pressed="true"] {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.draw-toggle-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.drawing-toolbar {
  position: fixed;
  top: 4.6rem;
  right: 1rem;
  z-index: 110;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-bg);
  box-shadow: var(--shadow);
  flex-wrap: wrap;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-0.5rem);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

body.drawing-active .drawing-toolbar {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.drawing-hex-field {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 8.2rem;
}

.drawing-hex-field label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
}

.drawing-hex-field input {
  width: 5.8rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  font: inherit;
  font-size: 0.82rem;
  text-transform: uppercase;
}

.drawing-hex-field input:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.drawing-eraser-toggle {
  padding: 0.5rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg-alt);
  color: var(--color-text);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.drawing-eraser-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
  fill: currentColor;
}

.drawing-eraser-toggle:hover,
.drawing-eraser-toggle:focus-visible {
  transform: translateY(-1px);
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.drawing-eraser-toggle[aria-pressed="true"] {
  background: var(--color-accent);
  color: #ffffff;
  border-color: var(--color-accent);
}

.drawing-slider {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 6rem;
}

.drawing-slider label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-text-muted);
  width: 1rem;
}

.drawing-slider input[type="range"] {
  width: 5rem;
  accent-color: var(--color-accent);
}

.drawing-preview {
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.drawing-canvas {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 30;
  pointer-events: none;
  touch-action: none;
}

body.drawing-active .drawing-canvas {
  pointer-events: auto;
  cursor: crosshair;
}

body.drawing-active .nav-links,
body.drawing-active .theme-toggle {
  position: relative;
  z-index: 120;
}

body.drawing-active .draw-toggle {
  position: relative;
  z-index: 120;
}

body.drawing-active .drawing-canvas {
  cursor: crosshair;
}

body.drawing-active .drawing-canvas[data-draw-color] {
  cursor: none;
}

.draw-cursor-glow {
  position: fixed;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 115;
  transform: translate(-50%, -50%);
  mix-blend-mode: screen;
  opacity: 0;
  box-shadow:
    0 0 0 2px var(--draw-cursor-ring-color, rgba(255, 255, 255, 0.45)) inset,
    0 0 10px 4px var(--draw-cursor-color, rgba(79, 70, 229, 0.65)),
    0 0 20px 8px var(--draw-cursor-color, rgba(79, 70, 229, 0.32));
  background: radial-gradient(circle, var(--draw-cursor-core-color, rgba(255, 255, 255, 0.7)) 0%, var(--draw-cursor-core-soft-color, rgba(255, 255, 255, 0.1)) 35%, rgba(255, 255, 255, 0) 70%);
  transition: opacity var(--transition), box-shadow var(--transition);
}

body.drawing-active .draw-cursor-glow {
  opacity: 1;
}

body.drawing-erase-mode .draw-cursor-glow {
  box-shadow:
    0 0 0 2px rgba(255, 255, 255, 0.45) inset,
    0 0 10px 4px rgba(150, 150, 150, 0.65),
    0 0 20px 8px rgba(150, 150, 150, 0.32);
}

body.drawing-active.drawing-erase-mode .drawing-canvas {
  cursor: cell;
}

/* TODO: The nav isn't responsive on mobile yet.
   Ask Copilot: "Make this navbar collapse into a hamburger menu on small screens" */

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  overflow: hidden;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("images/luffy_animation.gif") center / cover no-repeat;
  filter: invert(1);
  z-index: 0;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 1;
}

html[data-theme="dark"] .hero::before {
  filter: none;
}

html[data-theme="light"] .hero::after {
  background: rgba(0, 0, 0, 0.25);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-title-word {
  -webkit-text-stroke: 1px #ffffff;
  text-shadow:
    1px 0 0 #ffffff,
    -1px 0 0 #ffffff,
    0 1px 0 #ffffff,
    0 -1px 0 #ffffff,
    1px 1px 0 #ffffff,
    -1px 1px 0 #ffffff,
    1px -1px 0 #ffffff,
    -1px -1px 0 #ffffff;
}

html[data-theme="dark"] .hero-title-word {
  -webkit-text-stroke: 1px #000000;
  text-shadow:
    1px 0 0 #000000,
    -1px 0 0 #000000,
    0 1px 0 #000000,
    0 -1px 0 #000000,
    1px 1px 0 #000000,
    -1px 1px 0 #000000,
    1px -1px 0 #000000,
    -1px -1px 0 #000000;
}

.highlight {
  color: #4DCAF6;
  -webkit-text-stroke: 1px #000000;
  text-shadow:
    1px 0 0 #000000,
    -1px 0 0 #000000,
    0 1px 0 #000000,
    0 -1px 0 #000000,
    1px 1px 0 #000000,
    -1px 1px 0 #000000,
    1px -1px 0 #000000,
    -1px -1px 0 #000000;
}

html[data-theme="dark"] .highlight {
  color: #b91c1c;
  -webkit-text-stroke: 1px #ffffff;
  text-shadow:
    1px 0 0 #ffffff,
    -1px 0 0 #ffffff,
    0 1px 0 #ffffff,
    0 -1px 0 #ffffff,
    1px 1px 0 #ffffff,
    -1px 1px 0 #ffffff,
    1px -1px 0 #ffffff,
    -1px -1px 0 #ffffff;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
}

.hero-subtitle-line {
  white-space: nowrap;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  font-weight: 700;
  display: block;
  width: 100%;
  text-align: center;
  -webkit-text-stroke: 1px #ffffff;
  text-shadow:
    1px 0 0 #ffffff,
    -1px 0 0 #ffffff,
    0 1px 0 #ffffff,
    0 -1px 0 #ffffff,
    1px 1px 0 #ffffff,
    -1px 1px 0 #ffffff,
    1px -1px 0 #ffffff,
    -1px -1px 0 #ffffff;
}

html[data-theme="dark"] .hero-subtitle-line {
  -webkit-text-stroke: 1px #000000;
  text-shadow:
    1px 0 0 #000000,
    -1px 0 0 #000000,
    0 1px 0 #000000,
    0 -1px 0 #000000,
    1px 1px 0 #000000,
    -1px 1px 0 #000000,
    1px -1px 0 #000000,
    -1px -1px 0 #000000;
}

@media (max-width: 600px) {
  .hero-subtitle-line {
    font-size: clamp(0.8rem, 3.5vw, 1.05rem);
  }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  background: var(--color-accent);
  color: #fff !important;
  border-radius: var(--radius);
  font-weight: 600;
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--color-accent) !important;
  border: 2px solid var(--color-accent);
}

.btn-outline:hover {
  background: var(--color-accent);
  color: #fff !important;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 5rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
  border-top: 2px solid var(--color-accent);
}

.section-alt {
  background: var(--color-bg-alt);
  max-width: 100%;
  padding: 5rem 2rem;
  border-top: 2px solid var(--color-accent);
}

.section-alt > * {
  max-width: 1000px;
  margin: 0 auto;
}

h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

/* Accent underline on section headings */
h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 40px;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
}

.skills-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.skills-rating {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-bg);
  box-shadow: var(--shadow);
  color: var(--color-text);
  font-size: 0.9rem;
  white-space: nowrap;
}

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

.skills-rating-stars {
  color: var(--color-accent);
  letter-spacing: 0.12em;
  font-size: 1rem;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: start;
}

.about-text p + p {
  margin-top: 1rem;
}

.avatar-placeholder {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  border: 3px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.avatar-image {
  width: 180px;
  height: 180px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid #000000;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
  background: var(--color-bg-alt);
}

html[data-theme="dark"] .avatar-image {
  border-color: #ffffff;
}

/* ============================================================
   PROJECTS
   ============================================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(280px, 360px));
  justify-content: center;
  gap: 1.5rem;
}

.project-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.project-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.project-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-muted);
}

.project-links {
  display: flex;
  gap: 0.75rem;
}

.project-links a {
  font-size: 0.875rem;
  font-weight: 600;
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.skill-badge {
  appearance: none;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  cursor: default;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  /* TODO: Ask Copilot to add an emoji or icon prefix to each badge */
}

.skill-badge:hover,
.skill-badge:focus-visible {
  transform: translateY(-2px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow);
  outline: none;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-intro {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.contact-section {
  text-align: center;
}

.contact-section .contact-intro {
  max-width: 38rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.contact-icon-link {
  width: 3.75rem;
  height: 3.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg);
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow);
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.contact-icon-link:hover {
  background: var(--color-accent);
  color: #ffffff;
  transform: translateY(-2px);
}

.contact-icon-link svg {
  width: 1.35rem;
  height: 1.35rem;
  fill: currentColor;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
footer {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  border-top: 2px solid var(--color-accent);
}

/* ============================================================
   RESPONSIVE
   TODO: This is a start, but there's more to do on mobile.
   Ask Copilot: "Improve the responsive styles for screens under 600px"
   ============================================================ */
@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 1rem;
  }

  .theme-toggle {
    margin-left: auto;
  }

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

  .avatar-placeholder {
    width: 100px;
    height: 100px;
  }
}

@media (max-width: 520px) {
  .navbar {
    justify-content: center;
  }

  .nav-links {
    justify-content: center;
  }

  .theme-toggle-label {
    font-size: 0.9rem;
  }
}

@media (max-width: 600px) {
  .navbar {
    padding: 1rem;
    justify-content: center;
  }

  .nav-links {
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
  }

  .theme-toggle {
    margin: 0 auto;
  }

  .hero {
    min-height: auto;
    padding: 3.5rem 1rem;
  }

  .hero h1 {
    font-size: clamp(1.7rem, 8vw, 2.4rem);
  }

  .hero-subtitle {
    font-size: 1rem;
  }

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

  .skills-header {
    align-items: flex-start;
  }

  .skills-rating {
    width: 100%;
    justify-content: space-between;
  }

  .drawing-toolbar {
    left: 1rem;
    right: 1rem;
    justify-content: center;
  }

  .drawing-hex-field {
    width: 100%;
    justify-content: center;
  }
}