/*
Theme Name: muco.dev
Theme URI: https://muco.dev
Author: Mehmet Mücahit Kaya
Author URI: https://muco.dev
Description: Personal portfolio theme for an embedded software engineer. Terminal / CRT aesthetic with dark/light mode and EN/TR i18n.
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: mucodev
*/

:root {
  --bg: #0a0e0c;
  --bg-2: #0f1412;
  --bg-3: #141a17;
  --line: #1e2623;
  --line-2: #2a332f;
  --ink: #d4e6d9;
  --ink-dim: #7a8a81;
  --ink-faint: #4a5a52;
  --phosphor: #7dff9a;
  --phosphor-dim: #3a8a4e;
  --amber: #ffb347;
  --amber-dim: #8a6024;
  --red: #ff6b6b;
  --cyan: #6bc9ff;
  --magenta: #ff8fdf;

  --mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --serif: 'Instrument Serif', Georgia, serif;
}
html[data-theme="light"] {
  --bg: #f4f1e8;
  --bg-2: #ece7d8;
  --bg-3: #e0dac8;
  --line: #c8c0a8;
  --line-2: #b0a888;
  --ink: #1a1f1c;
  --ink-dim: #4a5a52;
  --ink-faint: #8a9288;
  --phosphor: #1a6b2a;
  --phosphor-dim: #3a8a4e;
  --amber: #a85f00;
  --amber-dim: #6a3d00;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); font-family: var(--mono); font-size: 15px; line-height: 1.55; }
body {
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, color-mix(in oklab, var(--phosphor) 6%, transparent), transparent 60%),
    linear-gradient(var(--bg), var(--bg));
  min-height: 100vh;
}
html[data-theme="light"] body {
  background-image:
    radial-gradient(ellipse 80% 60% at 50% -10%, color-mix(in oklab, var(--phosphor) 10%, transparent), transparent 60%),
    linear-gradient(var(--bg), var(--bg));
}

/* Subtle CRT scanlines — only in dark mode */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0, transparent 2px,
    rgba(125, 255, 154, 0.012) 2px, rgba(125, 255, 154, 0.012) 3px
  );
  pointer-events: none;
  z-index: 1000;
  mix-blend-mode: screen;
}
html[data-theme="light"] body::before { display: none; }

/* Vignette */
body::after {
  content: '';
  position: fixed; inset: 0;
  background: radial-gradient(ellipse 100% 90% at 50% 50%, transparent 60%, rgba(0,0,0,0.35) 100%);
  pointer-events: none;
  z-index: 999;
}
html[data-theme="light"] body::after {
  background: radial-gradient(ellipse 100% 90% at 50% 50%, transparent 60%, rgba(80,70,40,0.15) 100%);
}

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

canvas#hero-canvas, canvas[data-proj] { display: block; width: 100%; height: 100%; }

a { color: inherit; text-decoration: none; }

/* --- Window chrome --- */
.window {
  max-width: 1320px;
  margin: 18px auto;
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  box-shadow: 0 40px 80px -40px rgba(0,0,0,0.6), 0 0 0 1px color-mix(in oklab, var(--phosphor) 4%, transparent);
  position: relative;
}
.window-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-3);
  font-size: 12px;
  color: var(--ink-dim);
}
.dots { display: flex; gap: 6px; }
.dot { width: 11px; height: 11px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.2); }
.dot.r { background: #ff5f57; }
.dot.y { background: #febc2e; }
.dot.g { background: #28c840; }
.win-title { flex: 1; text-align: center; letter-spacing: 0.08em; }
.win-title b { color: var(--ink); font-weight: 500; }
.win-controls { display: flex; gap: 8px; align-items: center; }

/* Header controls */
.ctrl {
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  font: inherit;
  font-size: 11px;
  padding: 4px 9px;
  cursor: pointer;
  letter-spacing: 0.05em;
  text-transform: lowercase;
  transition: all 0.12s;
}
.ctrl:hover { color: var(--phosphor); border-color: var(--phosphor-dim); }
.ctrl.active { color: var(--phosphor); border-color: var(--phosphor-dim); background: color-mix(in oklab, var(--phosphor) 8%, transparent); }

/* --- Top nav --- */
nav.topnav {
  display: flex; align-items: center; gap: 28px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--line);
  font-size: 12.5px;
}
nav.topnav .brand {
  color: var(--phosphor);
  letter-spacing: 0.04em;
  font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
nav.topnav .brand::before {
  content: '●';
  color: var(--phosphor);
  animation: pulse 2s ease-in-out infinite;
  text-shadow: 0 0 8px currentColor;
}
@keyframes pulse { 0%,100% {opacity:1;} 50% {opacity:0.3;} }

nav.topnav ul {
  list-style: none; margin: 0; padding: 0;
  display: flex; gap: 22px;
}
nav.topnav ul a {
  color: var(--ink-dim);
  letter-spacing: 0.05em;
  position: relative;
  transition: color 0.12s;
}
nav.topnav ul a:hover { color: var(--ink); }
nav.topnav ul a::before {
  content: './';
  color: var(--ink-faint);
  margin-right: 2px;
}
nav.topnav .spacer { flex: 1; }

/* --- Layout with line numbers --- */
.line-numbers {
  display: grid;
  grid-template-columns: 52px 1fr;
  min-height: calc(100vh - 120px);
}
.gutter {
  border-right: 1px solid var(--line);
  padding: 24px 0;
  color: var(--ink-faint);
  font-size: 11px;
  text-align: right;
  user-select: none;
  line-height: 1.55;
}
.gutter span { display: block; padding-right: 12px; }
.gutter span.mark { color: var(--phosphor-dim); }

main { padding: 0; }

section { padding: 56px 44px; border-bottom: 1px dashed var(--line); position: relative; }
section:last-child { border-bottom: none; }

/* Section command header */
.cmd {
  font-size: 12px;
  color: var(--ink-dim);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}
.cmd .prompt { color: var(--phosphor); }
.cmd .path { color: var(--amber); }
.cmd .flag { color: var(--cyan); }

/* --- Hero --- */
.hero { padding-top: 48px; padding-bottom: 64px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 11.5px;
  color: var(--ink-dim);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--line-2);
  padding: 5px 11px;
  border-radius: 2px;
  margin-bottom: 22px;
}
.hero-eyebrow .blink {
  width: 7px; height: 7px;
  background: var(--phosphor);
  box-shadow: 0 0 8px var(--phosphor);
  animation: blink 1.4s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0.2; } }

h1.hero-title {
  font-family: var(--mono);
  font-weight: 600;
  font-size: clamp(34px, 4.6vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  color: var(--ink);
}
h1.hero-title .accent { color: var(--phosphor); }
h1.hero-title .caret {
  display: inline-block;
  width: 0.55em; height: 1em;
  background: var(--phosphor);
  vertical-align: -0.15em;
  animation: blink 1s steps(2) infinite;
  margin-left: 4px;
  box-shadow: 0 0 10px color-mix(in oklab, var(--phosphor) 60%, transparent);
}

.hero-tagline {
  font-size: 14px;
  color: var(--ink-dim);
  margin: 14px 0 28px;
  letter-spacing: 0.04em;
  max-width: 52ch;
  line-height: 1.75;
}
.hero-tagline b { color: var(--ink); font-weight: 500; }
.hero-tagline .tag { color: var(--phosphor); }

.cta-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }
.btn {
  font: inherit;
  font-size: 12.5px;
  padding: 11px 18px;
  border: 1px solid var(--line-2);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: all 0.15s;
  display: inline-flex; align-items: center; gap: 10px;
  text-transform: lowercase;
}
.btn:hover { border-color: var(--phosphor); color: var(--phosphor); box-shadow: inset 0 0 0 1px var(--phosphor-dim); }
.btn.primary {
  background: var(--phosphor);
  color: #0a1410;
  border-color: var(--phosphor);
}
html[data-theme="light"] .btn.primary { color: #f4f1e8; }
.btn.primary:hover { background: transparent; color: var(--phosphor); }
.btn .arrow { transition: transform 0.15s; }
.btn:hover .arrow { transform: translateX(3px); }

.hero-stats {
  display: grid; grid-template-columns: repeat(3, auto);
  gap: 28px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}
.stat-label { font-size: 10.5px; color: var(--ink-faint); letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 6px; }
.stat-value { font-size: 18px; color: var(--ink); }
.stat-value .unit { color: var(--ink-dim); font-size: 12px; margin-left: 4px; }

/* Hero visual */
.hero-visual {
  position: relative;
  aspect-ratio: 5/4.4;
  border: 1px solid var(--line-2);
  background: var(--bg);
  overflow: hidden;
}
html[data-theme="light"] .hero-visual { background: #1a1f1c; color: var(--phosphor); }
.hero-visual-label {
  position: absolute; top: 10px; left: 12px;
  font-size: 10px; letter-spacing: 0.15em;
  color: var(--phosphor-dim);
  text-transform: uppercase;
  z-index: 3;
}
html[data-theme="light"] .hero-visual-label { color: var(--phosphor); }
.hero-visual-label::before { content: '● '; color: var(--phosphor); animation: pulse 2s ease-in-out infinite; }
.hero-visual-meta {
  position: absolute; bottom: 10px; right: 12px;
  font-size: 10px; letter-spacing: 0.1em;
  color: var(--phosphor-dim);
  z-index: 3;
  text-align: right;
}
html[data-theme="light"] .hero-visual-meta { color: var(--phosphor); }
.hero-visual-meta div + div { margin-top: 2px; }

/* Visual selector tabs */
.visual-tabs {
  display: none;
  position: absolute; top: 10px; right: 12px;
  gap: 4px;
  z-index: 4;
}
body.edit-mode .visual-tabs { display: flex; }
.visual-tabs button {
  font: inherit; font-size: 9.5px;
  padding: 3px 7px;
  background: rgba(10,14,12,0.8);
  border: 1px solid var(--phosphor-dim);
  color: var(--phosphor-dim);
  cursor: pointer;
  letter-spacing: 0.1em;
}
.visual-tabs button.active { color: var(--phosphor); border-color: var(--phosphor); }

/* --- About --- */
.about-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 48px; align-items: start; }
.about h2 { font-family: var(--mono); font-weight: 500; font-size: 28px; letter-spacing: -0.01em; margin: 0 0 6px; }
.about .subhead { color: var(--ink-dim); font-size: 13px; margin-bottom: 24px; letter-spacing: 0.02em; }
.about p { color: var(--ink); font-size: 14.5px; line-height: 1.8; margin: 0 0 16px; max-width: 60ch; }
.about .card-stack { display: grid; gap: 12px; }
.about-card {
  border: 1px solid var(--line);
  background: var(--bg-3);
  padding: 18px 20px;
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center;
}
.about-card .ic { width: 36px; height: 36px; border: 1px solid var(--phosphor-dim); color: var(--phosphor); display: grid; place-items: center; }
.about-card .ttl { font-size: 13px; color: var(--ink); letter-spacing: 0.02em; }
.about-card .sub { font-size: 11.5px; color: var(--ink-dim); margin-top: 2px; }
.about-card .v { font-size: 10.5px; color: var(--phosphor); letter-spacing: 0.1em; }

/* --- Skills --- */
.skills h2 { font-family: var(--mono); font-weight: 500; font-size: 28px; margin: 0 0 24px; }
.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.skill-col {
  border: 1px solid var(--line);
  background: var(--bg-3);
  padding: 22px 22px 18px;
}
.skill-col h3 {
  font-size: 12px;
  color: var(--amber);
  font-weight: 500;
  margin: 0 0 14px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: flex; align-items: center; gap: 8px;
}
.skill-col h3::before { content: '[ '; color: var(--ink-faint); }
.skill-col h3::after { content: ' ]'; color: var(--ink-faint); margin-left: auto; font-size: 10px; color: var(--ink-faint); text-transform: none; letter-spacing: 0.05em; }
.skill-col h3 .count { margin-left: auto; color: var(--ink-faint); font-size: 10px; }
.skill-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.skill-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  font-size: 13px;
}
.skill-list li .name { color: var(--ink); }
.skill-bar {
  width: 80px; height: 6px;
  background: var(--bg);
  border: 1px solid var(--line-2);
  position: relative;
  overflow: hidden;
}
.skill-bar > i {
  display: block; height: 100%;
  background: var(--phosphor);
  background-image: repeating-linear-gradient(90deg, transparent 0 3px, rgba(0,0,0,0.2) 3px 4px);
  box-shadow: 0 0 6px color-mix(in oklab, var(--phosphor) 40%, transparent);
}

/* --- Projects --- */
.projects h2 { font-family: var(--mono); font-weight: 500; font-size: 28px; margin: 0 0 6px; }
.projects .subhead { color: var(--ink-dim); font-size: 13px; margin-bottom: 28px; }
.proj-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.proj {
  border: 1px solid var(--line);
  background: var(--bg-3);
  padding: 0;
  transition: border-color 0.15s, transform 0.15s;
  position: relative;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.proj:hover { border-color: var(--phosphor-dim); }
.proj-thumb {
  aspect-ratio: 16/8;
  border-bottom: 1px solid var(--line);
  position: relative;
  background: var(--bg);
  overflow: hidden;
}
html[data-theme="light"] .proj-thumb { background: #1a1f1c; }
.proj-body { padding: 18px 20px 20px; }
.proj-meta {
  display: flex; gap: 10px; font-size: 10.5px; color: var(--ink-faint);
  letter-spacing: 0.1em; text-transform: uppercase;
  margin-bottom: 10px;
}
.proj-meta .status { color: var(--phosphor); }
.proj-meta .status.wip { color: var(--amber); }
.proj-meta .status.archived { color: var(--ink-dim); }
.proj h3 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 18px;
  margin: 0 0 6px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.proj p { font-size: 13px; color: var(--ink-dim); margin: 0 0 14px; line-height: 1.7; }
.proj-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.tag {
  font-size: 10.5px;
  padding: 2px 7px;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  letter-spacing: 0.03em;
}

/* --- Blog --- */
.blog h2 { font-family: var(--mono); font-weight: 500; font-size: 28px; margin: 0 0 24px; }
.blog-list { display: grid; gap: 0; border-top: 1px solid var(--line); }
.blog-row {
  display: grid;
  grid-template-columns: 100px 1fr auto auto;
  gap: 24px;
  align-items: baseline;
  padding: 16px 4px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  transition: background 0.12s;
  cursor: pointer;
}
.blog-row:hover { background: color-mix(in oklab, var(--phosphor) 4%, transparent); }
.blog-row .date { color: var(--ink-faint); font-size: 12px; letter-spacing: 0.05em; }
.blog-row .title { color: var(--ink); }
.blog-row:hover .title { color: var(--phosphor); }
.blog-row .cat { font-size: 10.5px; color: var(--amber); letter-spacing: 0.1em; text-transform: uppercase; }
.blog-row .read { color: var(--ink-faint); font-size: 11px; }

/* --- Contact --- */
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: start; }
.contact h2 {
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(32px, 3.6vw, 46px);
  line-height: 1.1;
  margin: 0 0 16px;
  letter-spacing: -0.015em;
}
.contact h2 .accent { color: var(--phosphor); }
.contact p { color: var(--ink-dim); font-size: 14px; line-height: 1.8; max-width: 42ch; margin: 0 0 24px; }
.contact-links { display: grid; gap: 2px; }
.contact-link {
  display: grid; grid-template-columns: 24px 1fr auto; gap: 14px; align-items: center;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  transition: all 0.15s;
}
.contact-link:last-child { border-bottom: 1px solid var(--line); }
.contact-link:hover { color: var(--phosphor); padding-left: 8px; }
.contact-link .glyph { color: var(--phosphor); font-size: 14px; }
.contact-link .label { color: var(--ink-dim); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; }
.contact-link .value { color: var(--ink); }
.contact-link:hover .value { color: var(--phosphor); }

/* --- Footer / status bar --- */
.statusbar {
  display: grid;
  grid-template-columns: auto 1fr auto auto auto;
  gap: 24px;
  padding: 10px 22px;
  border-top: 1px solid var(--line);
  background: var(--bg-3);
  font-size: 11px;
  color: var(--ink-dim);
  letter-spacing: 0.05em;
}
.statusbar .seg { display: flex; align-items: center; gap: 8px; }
.statusbar .k { color: var(--ink-faint); }
.statusbar .v { color: var(--ink); }
.statusbar .v.ok { color: var(--phosphor); }
.statusbar .v.warn { color: var(--amber); }

/* --- Tweak panel --- */
.tweak-panel {
  display: none;
  position: fixed;
  bottom: 20px; right: 20px;
  width: 260px;
  background: var(--bg-2);
  border: 1px solid var(--phosphor-dim);
  z-index: 100;
  font-size: 12px;
  box-shadow: 0 20px 60px -20px rgba(0,0,0,0.8), 0 0 0 1px color-mix(in oklab, var(--phosphor) 20%, transparent);
}
body.tweaks-open .tweak-panel { display: block; }
.tweak-panel h4 {
  margin: 0; padding: 10px 14px;
  font-size: 11px;
  color: var(--phosphor);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px;
}
.tweak-panel h4::before { content: '◆'; color: var(--phosphor); }
.tweak-body { padding: 14px; display: grid; gap: 16px; }
.tweak-row { display: grid; gap: 8px; }
.tweak-label { font-size: 10px; letter-spacing: 0.1em; color: var(--ink-faint); text-transform: uppercase; }
.tweak-opts { display: flex; gap: 6px; }
.tweak-opts button {
  flex: 1;
  font: inherit; font-size: 10.5px;
  padding: 7px 8px;
  background: transparent;
  border: 1px solid var(--line-2);
  color: var(--ink-dim);
  cursor: pointer;
  letter-spacing: 0.05em;
}
.tweak-opts button.active {
  color: var(--phosphor);
  border-color: var(--phosphor-dim);
  background: color-mix(in oklab, var(--phosphor) 8%, transparent);
}

/* Single post */
.post-content {
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}
.post-content h1, .post-content h2, .post-content h3 {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--ink);
  margin: 2em 0 0.5em;
}
.post-content h1 { font-size: 28px; }
.post-content h2 { font-size: 22px; }
.post-content h3 { font-size: 18px; color: var(--amber); }
.post-content p { margin: 0 0 1.2em; }
.post-content a { color: var(--phosphor); border-bottom: 1px solid var(--phosphor-dim); }
.post-content a:hover { color: var(--ink); }
.post-content code {
  font-family: var(--mono);
  font-size: 13px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  padding: 1px 5px;
  color: var(--amber);
}
.post-content pre {
  background: var(--bg-3);
  border: 1px solid var(--line);
  padding: 18px 20px;
  overflow-x: auto;
  margin: 1.5em 0;
}
.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--phosphor);
}
.post-content blockquote {
  border-left: 3px solid var(--phosphor-dim);
  margin: 1.5em 0;
  padding: 0 0 0 20px;
  color: var(--ink-dim);
}
.post-meta { font-size: 11.5px; color: var(--ink-faint); margin-bottom: 32px; letter-spacing: 0.05em; }
.post-meta span + span::before { content: ' · '; }
.back-link { font-size: 12px; color: var(--ink-dim); margin-bottom: 28px; display: inline-flex; align-items: center; gap: 6px; }
.back-link:hover { color: var(--phosphor); }

/* --- Responsive --- */
@media (max-width: 900px) {
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 36px; }
  .skills-grid { grid-template-columns: 1fr; }
  .proj-grid { grid-template-columns: 1fr; }
  .line-numbers { grid-template-columns: 34px 1fr; }
  .gutter { font-size: 10px; }
  section { padding: 40px 22px; }
  nav.topnav { padding: 12px 18px; gap: 14px; overflow-x: auto; }
  nav.topnav ul { gap: 14px; }
  .blog-row { grid-template-columns: 80px 1fr; gap: 12px; }
  .blog-row .cat, .blog-row .read { display: none; }
  .statusbar { grid-template-columns: 1fr 1fr; font-size: 10px; padding: 8px 14px; }
  .statusbar .seg:nth-child(n+3) { display: none; }
  .tweak-panel { width: calc(100vw - 40px); }
}