/* ==========================================================================
   monir-dev portfolio — hacker terminal theme
   Mobile-first. CSS variables drive theming. Dark is the hero experience.
   ========================================================================== */

/* ---------- theme variables ---------- */
:root,
:root[data-theme="dark"] {
  --bg: #0a0a0a;
  --bg-2: #101214;
  --bg-3: #16191c;
  --fg: #d8dee4;
  --fg-dim: #8b949e;
  --green: #00ff41;
  --cyan: #00d4ff;
  --amber: #ffb000;
  --red: #ff3860;
  --border: #232a30;
  --glow-green: 0 0 8px rgba(0, 255, 65, 0.55);
  --glow-cyan: 0 0 8px rgba(0, 212, 255, 0.55);
  --card-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  --scanline-opacity: 0.05;
}

:root[data-theme="light"] {
  --bg: #f6f8fa;
  --bg-2: #ffffff;
  --bg-3: #eef1f4;
  --fg: #1f2328;
  --fg-dim: #57606a;
  --green: #0a7d2c;
  --cyan: #0969da;
  --amber: #9a6700;
  --red: #cf222e;
  --border: #d0d7de;
  --glow-green: 0 0 0 rgba(0, 0, 0, 0);
  --glow-cyan: 0 0 0 rgba(0, 0, 0, 0);
  --card-shadow: 0 2px 12px rgba(31, 35, 40, 0.08);
  --scanline-opacity: 0;
}

/* ---------- base ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: "Inter", system-ui, sans-serif;
  font-weight: 300;
  line-height: 1.65;
  overflow-x: hidden;
  transition: background 0.3s ease, color 0.3s ease;
}

.mono, h1, h2, h3, button, select, input, textarea, code, pre {
  font-family: "JetBrains Mono", "Fira Code", monospace;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-shadow: var(--glow-cyan); }

main { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }

section { padding: 4.5rem 0 2rem; }

.section-title {
  font-size: clamp(1.15rem, 3vw, 1.6rem);
  color: var(--green);
  text-shadow: var(--glow-green);
  margin-bottom: 1.75rem;
  font-weight: 600;
  word-break: break-word;
}

.section-sub { color: var(--fg-dim); margin: -1rem 0 2rem; font-size: 0.85rem; }

.prompt-char { color: var(--cyan); margin-right: 0.4ch; }

/* ---------- code-snippet dividers ---------- */
.divider {
  text-align: center;
  color: var(--fg-dim);
  opacity: 0.6;
  font-size: 0.78rem;
  padding: 1.5rem 0 0;
  user-select: none;
}

/* ---------- boot screen ---------- */
#boot-screen {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #050505;
  color: var(--green);
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* real terminals boot from the top-left */
  align-items: flex-start;
  padding: 1.5rem clamp(1rem, 4vw, 3rem);
  transition: opacity 0.6s ease;
}
#boot-screen.done { opacity: 0; pointer-events: none; }
#boot-log { font-size: clamp(0.7rem, 2.2vw, 0.95rem); white-space: pre-wrap; }
#boot-skip {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: none;
  border: 1px solid var(--green);
  color: var(--green);
  padding: 0.35rem 0.8rem;
  cursor: pointer;
  font-size: 0.75rem;
}
#boot-skip:hover { background: var(--green); color: #000; }

/* ---------- background fx ---------- */
#matrix-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0;
  transition: opacity 0.8s ease;
}
#matrix-canvas.on { opacity: 0.25; }

#scanlines {
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  /* light + faint green lines — black lines are invisible on a dark bg */
  background: repeating-linear-gradient(
    to bottom,
    transparent 0 2px,
    rgba(180, 255, 200, var(--scanline-opacity)) 2px 3px,
    transparent 3px 4px
  );
  display: none;
}
#scanlines.on { display: block; }

/* ---------- nav ---------- */
#nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.25rem;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: "JetBrains Mono", monospace;
  color: var(--green);
  font-weight: 800;
  text-shadow: var(--glow-green);
}
.nav-links { display: none; gap: 1.1rem; margin-left: auto; }
.nav-links a { color: var(--fg-dim); font-size: 0.85rem; font-family: "JetBrains Mono", monospace; }
.nav-links a:hover { color: var(--green); text-shadow: var(--glow-green); }
.nav-links.open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  padding: 1rem 1.25rem;
}
.sys-panel { display: flex; gap: 0.4rem; margin-left: auto; }
.nav-links.open ~ .sys-panel { margin-left: 0; }
.sys-btn {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--fg-dim);
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
}
.sys-btn[aria-pressed="true"] { color: var(--green); border-color: var(--green); box-shadow: var(--glow-green); }
#nav-burger {
  background: none;
  border: 1px solid var(--border);
  color: var(--fg);
  width: 2rem;
  height: 2rem;
  border-radius: 4px;
  cursor: pointer;
}

@media (min-width: 820px) {
  .nav-links { display: flex; }
  #nav-burger { display: none; }
  .sys-panel { margin-left: 0; }
}

/* ---------- hero ---------- */
#hero {
  min-height: 92vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.hero-pre { color: var(--fg-dim); font-size: 0.85rem; margin-bottom: 0.75rem; min-height: 1.2em; }

.glitch {
  font-size: clamp(2.2rem, 9vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fg);
  position: relative;
  width: fit-content;
}
/* glitch layers */
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  overflow: hidden;
  clip-path: inset(0 0 0 0);
}
.glitch::before {
  color: var(--green);
  animation: glitch-a 3.2s infinite steps(1);
  text-shadow: var(--glow-green);
}
.glitch::after {
  color: var(--cyan);
  animation: glitch-b 2.7s infinite steps(1);
  text-shadow: var(--glow-cyan);
}
@keyframes glitch-a {
  0%, 91%, 100% { clip-path: inset(100% 0 0 0); transform: none; }
  92% { clip-path: inset(10% 0 55% 0); transform: translate(-4px, -2px); }
  94% { clip-path: inset(60% 0 15% 0); transform: translate(4px, 1px); }
  96% { clip-path: inset(30% 0 40% 0); transform: translate(-2px, 2px); }
  98% { clip-path: inset(80% 0 5% 0); transform: translate(3px, -1px); }
}
@keyframes glitch-b {
  0%, 88%, 100% { clip-path: inset(100% 0 0 0); transform: none; }
  89% { clip-path: inset(45% 0 30% 0); transform: translate(4px, 2px); }
  92% { clip-path: inset(5% 0 75% 0); transform: translate(-4px, -1px); }
  95% { clip-path: inset(70% 0 10% 0); transform: translate(2px, 1px); }
}

.hero-role { margin-top: 1rem; font-size: clamp(0.9rem, 3vw, 1.2rem); color: var(--fg-dim); }
#typed-role { color: var(--cyan); text-shadow: var(--glow-cyan); margin-left: 0.6ch; }
.caret {
  display: inline-block;
  width: 0.6ch;
  height: 1.1em;
  background: var(--green);
  vertical-align: text-bottom;
  animation: blink 1s steps(1) infinite;
  box-shadow: var(--glow-green);
}
@keyframes blink { 50% { opacity: 0; } }

.hero-tagline { margin-top: 1.25rem; max-width: 46ch; color: var(--fg-dim); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }

/* command-prompt style buttons */
.cmd-btn {
  display: inline-block;
  border: 1px solid var(--green);
  color: var(--green);
  background: transparent;
  padding: 0.6rem 1.1rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
  border-radius: 3px;
}
.cmd-btn:hover { background: var(--green); color: var(--bg); box-shadow: var(--glow-green); text-shadow: none; }
.cmd-btn:hover .prompt-char { color: var(--bg); }
.cmd-btn--alt { border-color: var(--cyan); color: var(--cyan); }
.cmd-btn--alt:hover { background: var(--cyan); box-shadow: var(--glow-cyan); }

.hero-socials { display: flex; gap: 1.2rem; margin-top: 2.2rem; flex-wrap: wrap; }
.hero-socials a {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.85rem;
  color: var(--fg-dim);
  border-bottom: 1px dashed var(--border);
  transition: all 0.2s ease;
}
.hero-socials a:hover { color: var(--green); text-shadow: var(--glow-green); border-color: var(--green); }

.hero-scroll-hint {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  color: var(--fg-dim);
  font-size: 0.75rem;
  animation: bob 2s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* ---------- terminal window chrome ---------- */
.terminal-window {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--card-shadow);
  overflow: hidden;
}
.tw-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.9rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--border);
}
.tw-bar span { width: 11px; height: 11px; border-radius: 50%; background: var(--border); }
.tw-bar span:nth-child(1) { background: var(--red); }
.tw-bar span:nth-child(2) { background: var(--amber); }
.tw-bar span:nth-child(3) { background: var(--green); }
.tw-bar em { margin-left: auto; font-style: normal; font-size: 0.72rem; color: var(--fg-dim); }

/* ---------- about ---------- */
.about-grid { display: grid; gap: 2rem; }
@media (min-width: 820px) { .about-grid { grid-template-columns: 3fr 2fr; } }

.about-highlights { list-style: none; margin-top: 1.25rem; }
.about-highlights li {
  padding: 0.45rem 0 0.45rem 1.6rem;
  position: relative;
  color: var(--fg);
}
.about-highlights li::before {
  content: ">";
  position: absolute;
  left: 0;
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  text-shadow: var(--glow-green);
}
#about-stats { padding: 1rem 1.2rem; font-size: 0.82rem; color: var(--cyan); overflow-x: auto; }

/* where I shine */
.shine-title {
  margin-top: 1.75rem;
  font-size: 0.9rem;
  color: var(--amber);
  font-weight: 600;
}
.shine-list { list-style: none; margin-top: 0.6rem; }
.shine-list li {
  padding: 0.4rem 0 0.4rem 1.6rem;
  position: relative;
  color: var(--fg);
}
.shine-list li::before {
  content: "✦";
  position: absolute;
  left: 0;
  color: var(--amber);
  text-shadow: 0 0 8px rgba(255, 176, 0, 0.55);
}

/* ---------- experience timeline cards ---------- */
#experience-list { display: flex; flex-direction: column; gap: 1.5rem; }
.xp-card { position: relative; }
.xp-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 1rem;
  align-items: baseline;
  padding: 0.9rem 1.2rem 0;
}
.xp-role { color: var(--green); font-size: 1rem; font-weight: 600; }
.xp-company { color: var(--cyan); font-size: 0.9rem; }
.xp-meta { color: var(--fg-dim); font-size: 0.75rem; margin-left: auto; font-family: "JetBrains Mono", monospace; }
.xp-body { padding: 0.6rem 1.2rem 1.1rem; }
.xp-summary { color: var(--fg-dim); font-size: 0.9rem; margin-bottom: 0.6rem; }
.xp-bullets { list-style: none; }
.xp-bullets li { padding: 0.25rem 0 0.25rem 1.4rem; position: relative; font-size: 0.92rem; }
.xp-bullets li::before { content: "-"; position: absolute; left: 0.2rem; color: var(--cyan); font-family: "JetBrains Mono", monospace; }

/* inline tech tags */
.tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.8rem; }
.tag {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  color: var(--cyan);
  border: 1px solid var(--border);
  background: var(--bg-3);
  padding: 0.15rem 0.5rem;
  border-radius: 3px;
}
.tag:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); }

/* ---------- education ---------- */
.edu-grid { display: grid; gap: 1.25rem; }
@media (min-width: 680px) { .edu-grid { grid-template-columns: 1fr 1fr; } }
.edu-card { padding: 1.1rem 1.3rem; }
.edu-degree { color: var(--green); font-size: 0.98rem; font-weight: 600; }
.edu-school { color: var(--fg); margin-top: 0.2rem; }
.edu-meta { color: var(--fg-dim); font-size: 0.78rem; font-family: "JetBrains Mono", monospace; margin-top: 0.3rem; }
.edu-notes { color: var(--fg-dim); font-size: 0.85rem; margin-top: 0.5rem; }

/* ---------- vertical timelines (learning + projects) ---------- */
.vtimeline { position: relative; padding-left: 1.6rem; }
.vtimeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--green), var(--cyan));
  opacity: 0.35;
}
.vt-item { position: relative; padding: 0 0 2rem 1.2rem; }

/* status markers */
.dot {
  position: absolute;
  left: -1.6rem;
  top: 0.35rem;
  width: 14px;
  height: 14px;
  display: inline-block;
}
.legend { display: flex; gap: 1.5rem; margin-bottom: 1.75rem; font-size: 0.78rem; color: var(--fg-dim); }
.legend .dot { position: static; margin-right: 0.4rem; vertical-align: middle; }

.dot-done { background: var(--green); border-radius: 50%; box-shadow: var(--glow-green); }
.dot-wip {
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: transparent;
  animation: pulse 1.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.5); }
  50% { box-shadow: 0 0 0 7px rgba(0, 212, 255, 0); }
}
.dot-idea {
  background: var(--amber);
  transform: rotate(45deg) scale(0.85);
  animation: blink 1.4s steps(1) infinite;
}

.vt-title { color: var(--fg); font-size: 0.98rem; font-weight: 600; min-height: 1.3em; }
.vt-title .caret2 { display: inline-block; width: 0.55ch; height: 1em; background: var(--green); vertical-align: text-bottom; animation: blink 0.9s steps(1) infinite; }
.vt-meta { font-family: "JetBrains Mono", monospace; font-size: 0.72rem; color: var(--fg-dim); margin-top: 0.15rem; }
.vt-desc { color: var(--fg-dim); font-size: 0.88rem; margin-top: 0.4rem; max-width: 62ch; }
.vt-item.hl .vt-title { color: var(--green); text-shadow: var(--glow-green); }
.vt-item.hl .vt-meta::after {
  content: " [priority_track]";
  color: var(--amber);
}
/* highlighted role line on timeline items */
.vt-role {
  margin-top: 0.45rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--amber);
  text-shadow: 0 0 8px rgba(255, 176, 0, 0.45);
  border-left: 2px solid var(--amber);
  padding-left: 0.6rem;
  max-width: 62ch;
}

/* optional bullet points on timeline items */
.vt-points { list-style: none; margin-top: 0.5rem; max-width: 62ch; }
.vt-points li {
  position: relative;
  padding: 0.2rem 0 0.2rem 1.3rem;
  color: var(--fg-dim);
  font-size: 0.87rem;
}
.vt-points li::before {
  content: ">";
  position: absolute;
  left: 0.1rem;
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
}

/* optional screenshots on timeline items / live cards */
.vt-img {
  display: block;
  margin-top: 0.8rem;
  max-width: min(420px, 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.vt-img:hover { border-color: var(--cyan); box-shadow: var(--glow-cyan); }
.live-img {
  display: block;
  width: calc(100% + 2.6rem);
  margin: -1.2rem -1.3rem 0.9rem;
  border-bottom: 1px solid var(--border);
}

.cat-badge {
  font-size: 0.62rem;
  padding: 0.1rem 0.45rem;
  border-radius: 3px;
  margin-left: 0.5rem;
  vertical-align: middle;
  font-family: "JetBrains Mono", monospace;
  border: 1px solid var(--border);
  color: var(--fg-dim);
}
.cat-agentic { color: var(--green); border-color: var(--green); }
.cat-ai { color: var(--cyan); border-color: var(--cyan); }
.cat-robotics { color: var(--amber); border-color: var(--amber); }

/* ---------- live projects grid ---------- */
.live-grid { display: grid; gap: 1.25rem; }
@media (min-width: 680px) { .live-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .live-grid { grid-template-columns: 1fr 1fr 1fr; } }

.live-card {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.2rem 1.3rem;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.live-card:hover { transform: translateY(-4px); border-color: var(--green); }
.live-name { font-family: "JetBrains Mono", monospace; color: var(--green); font-size: 0.95rem; font-weight: 600; }
.live-desc { color: var(--fg-dim); font-size: 0.87rem; margin-top: 0.5rem; min-height: 3.4em; }
.live-links { display: flex; gap: 1rem; margin-top: 0.9rem; font-family: "JetBrains Mono", monospace; font-size: 0.78rem; }

/* terminal-inspect hover overlay */
.live-inspect {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  color: var(--green);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  padding: 1rem 1.2rem;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.25s ease;
  pointer-events: none;
  white-space: pre-wrap;
  overflow: hidden;
}
.live-card:hover .live-inspect { opacity: 1; transform: none; pointer-events: auto; }
.live-inspect a { color: var(--cyan); pointer-events: auto; }

/* ---------- resume picker ---------- */
.resume-body { padding: 1.4rem; }
.resume-quick { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-bottom: 1.4rem; }
.quick-btn {
  border: 1px solid var(--border);
  background: var(--bg-3);
  color: var(--fg-dim);
  padding: 0.45rem 0.9rem;
  font-size: 0.78rem;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.2s ease;
}
.quick-btn:hover, .quick-btn.active { color: var(--green); border-color: var(--green); box-shadow: var(--glow-green); }
.resume-controls { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; }
.resume-controls label { color: var(--fg-dim); font-size: 0.82rem; }
#resume-select {
  background: var(--bg-3);
  color: var(--green);
  border: 1px solid var(--border);
  padding: 0.5rem 0.7rem;
  border-radius: 3px;
  font-size: 0.82rem;
}

/* ---------- contact ---------- */
.contact-grid { display: grid; gap: 1.5rem; }
@media (min-width: 820px) { .contact-grid { grid-template-columns: 1fr 1fr; } }
.contact-typed { padding: 1.1rem 1.3rem 0.4rem; color: var(--green); font-size: 0.85rem; min-height: 5.5em; white-space: pre-wrap; }
.contact-links { display: flex; flex-direction: column; gap: 0.45rem; padding: 0.4rem 1.3rem 1.3rem; font-size: 0.82rem; }
.contact-links a { color: var(--fg-dim); }
.contact-links a:hover { color: var(--cyan); }
.contact-links a::before { content: "-> "; color: var(--green); }

.form-body { display: flex; flex-direction: column; gap: 0.9rem; padding: 1.2rem 1.3rem; }
.form-body label { display: flex; flex-direction: column; gap: 0.3rem; color: var(--green); font-size: 0.8rem; }
.form-body input, .form-body textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--fg);
  padding: 0.55rem 0.7rem;
  border-radius: 3px;
  font-size: 0.85rem;
  resize: vertical;
}
.form-body input:focus, .form-body textarea:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: var(--glow-green);
}
.form-hint { font-size: 0.72rem; color: var(--fg-dim); min-height: 1em; }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--border);
  margin-top: 4rem;
  padding: 1.6rem 1.25rem;
  text-align: center;
  color: var(--fg-dim);
  font-size: 0.75rem;
}

/* ---------- scroll reveal ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ---------- accessibility: reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}