/* ---------- THEME TOKENS ---------- */
:root {
  --bg: #0d1117;
  --bg-soft: #0a0e14;
  --panel: #151b23;
  --panel-hover: #1a2230;
  --line: #2a3140;
  --text: #e6edf3;
  --text-soft: #c9d1d9;
  --dim: #8b949e;
  --green: #3fb950;
  --green-glow: rgba(63, 185, 80, 0.35);
  --amber: #d29922;
  --blue: #58a6ff;
  --purple: #bc8cff;
  --red: #f85149;
  --mono: "JetBrains Mono", "Fira Code", "SF Mono", ui-monospace,
          Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --radius: 8px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
}

[data-theme="light"] {
  --bg: #f6f8fa;
  --bg-soft: #ffffff;
  --panel: #ffffff;
  --panel-hover: #f0f3f6;
  --line: #d0d7de;
  --text: #1f2328;
  --text-soft: #24292f;
  --dim: #57606a;
  --green: #1a7f37;
  --green-glow: rgba(26,127,55,.25);
  --amber: #9a6700;
  --blue: #0969da;
  --purple: #8250df;
  --red: #cf222e;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 56px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-soft);
  font-family: var(--mono);
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background var(--transition), color var(--transition);
}

a { color: var(--blue); text-decoration: none; transition: color .15s; }
a:hover { text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
  border-radius: 4px;
}

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- TOP PROGRESS BAR ---------- */
#progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0;
  background: var(--green);
  box-shadow: 0 0 8px var(--green-glow);
  z-index: 100;
  transition: width .08s linear;
}

/* ---------- NAV ---------- */
nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
  transition: background var(--transition), border-color var(--transition);
}

nav .wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  height: 48px;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}
nav .wrap::-webkit-scrollbar { display: none; }

nav .brand {
  color: var(--green);
  font-weight: 600;
  margin-right: auto;
  position: relative;
}
nav .brand::after {
  content: "";
  position: absolute;
  right: -10px; top: 50%;
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 50%;
  transform: translateY(-50%);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; box-shadow: 0 0 0 0 var(--green-glow); }
  50% { opacity: .7; box-shadow: 0 0 0 6px transparent; }
}

nav a { color: var(--dim); transition: color .15s; }
nav a:hover { color: var(--text); text-decoration: none; }

nav a.active {
  color: var(--green);
  position: relative;
}
nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -15px;
  height: 2px;
  background: var(--green);
}

nav a.cv {
  color: var(--bg);
  background: var(--green);
  padding: 2px 12px;
  border-radius: 4px;
  font-weight: 500;
  transition: transform .15s, box-shadow .15s;
}
nav a.cv:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--green-glow);
}

.nav-btn {
  background: transparent;
  color: var(--dim);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 3px 10px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
.nav-btn:hover {
  color: var(--text);
  border-color: var(--green);
  transform: translateY(-1px);
}

/* ---------- TERMINAL ---------- */
.term {
  margin: 32px 0;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
  transition: background var(--transition), border-color var(--transition);
}

.bar {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 10px 14px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
  user-select: none;
}

.bar i {
  width: 10px; height: 10px;
  border-radius: 50%;
  display: inline-block;
  transition: transform .15s;
}
.bar:hover i { transform: scale(1.15); }

.bar span { margin-left: 8px; }
.bar .clock { margin-left: auto; color: var(--dim); font-variant-numeric: tabular-nums; }

.body { padding: 18px 20px; }

.ps { color: var(--green); }
.ps b { color: var(--dim); font-weight: 400; }

.name {
  font-size: clamp(24px, 5vw, 38px);
  line-height: 1.2;
  font-weight: 600;
  color: var(--text);
  margin: 4px 0 8px;
  min-height: 1.2em;
}
.name .role {
  color: var(--green);
  border-right: 2px solid var(--green);
  padding-right: 2px;
  animation: caret 1s steps(1) infinite;
}
@keyframes caret { 50% { border-color: transparent; } }

.cursor {
  display: inline-block;
  width: 8px;
  height: 16px;
  background: var(--green);
  vertical-align: -3px;
  animation: blink 1.1s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.out { margin: 0 0 14px; }

/* ---------- INTERACTIVE TERMINAL INPUT ---------- */
.cmd-line {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.cmd-input {
  flex: 1;
  min-width: 120px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: inherit;
  padding: 0;
  caret-color: var(--green);
}
.cmd-log {
  margin-bottom: 8px;
  white-space: pre-wrap;
  font-size: 13.5px;
}
.cmd-log .echo { color: var(--dim); }
.cmd-log .ok { color: var(--green); }
.cmd-log .err { color: var(--red); }
.cmd-log .info { color: var(--blue); }

/* ---------- HEADINGS ---------- */
h2 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 12px;
  color: var(--text);
}
h2 .ps { margin-right: 8px; }

section { margin: 40px 0; }

/* ---------- GRID / PANELS ---------- */
.grid { display: grid; gap: 12px; }
.tiles { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: transform .2s, border-color .2s, background .2s, box-shadow .2s;
}

.panel.interactive:hover {
  transform: translateY(-3px);
  border-color: var(--green);
  background: var(--panel-hover);
  box-shadow: 0 8px 20px var(--green-glow);
}

.tile .k { font-size: 12px; color: var(--dim); }
.tile .v {
  font-size: 26px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
}

.two { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ---------- SKILLS ---------- */
.skill {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.track {
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  margin: 4px 0 11px;
  overflow: hidden;
  position: relative;
}

.track div {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--green), #4ade80);
  border-radius: 3px;
  transition: width 1.2s cubic-bezier(.4,0,.2,1);
}

.track.learn div {
  background: linear-gradient(90deg, var(--amber), #fbbf24);
}

/* ---------- TABLES ---------- */
.scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }

th {
  color: var(--dim);
  font-weight: 400;
  text-align: left;
  padding: 6px 14px 6px 0;
  white-space: nowrap;
}

td {
  padding: 9px 14px 9px 0;
  border-top: 1px solid var(--line);
  vertical-align: top;
  transition: background .15s;
}

tbody tr:hover td, table tr:hover td {
  background: var(--panel-hover);
}

td small {
  display: block;
  color: var(--dim);
  font-size: 12px;
  max-width: 44ch;
}

.run { color: var(--green); }
.done { color: var(--blue); }

.run::before { content: "● "; animation: pulse 2s infinite; }

/* ---------- PROJECT LIST ---------- */
.ls { list-style: none; margin: 0; padding: 0; }

.ls li {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 12px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  transition: padding-left .2s, background .2s;
}

.ls li:hover {
  padding-left: 6px;
  background: linear-gradient(90deg, var(--panel-hover), transparent);
}

.ls li:first-child { border-top: 0; }
.ls .lang { color: var(--amber); }
.ls small {
  display: block;
  color: var(--dim);
  font-size: 12px;
}

/* ---------- PLAIN LIST ---------- */
.plain { margin: 0; padding-left: 18px; }
.plain li {
  margin: 4px 0;
  transition: color .15s, transform .15s;
}
.plain li:hover {
  color: var(--text);
  transform: translateX(3px);
}

.dim { color: var(--dim); }

/* ---------- FOOTER ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 20px 0 40px;
  color: var(--dim);
  font-size: 12px;
}
footer .heart { color: var(--green); }

/* ---------- PAGE HEADER ---------- */
.page-head { margin: 40px 0 20px; }
.page-head .ps { color: var(--green); }
.page-head h1 {
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 600;
  color: var(--text);
  margin: 6px 0 0;
}

/* ---------- SCROLL REVEAL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.on {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- COMMAND PALETTE ---------- */
#palette {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 15vh;
  animation: fadeIn .15s ease;
}
#palette.on { display: flex; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

#palette .box {
  width: min(520px, 92vw);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
  animation: slideDown .2s ease;
}
@keyframes slideDown {
  from { transform: translateY(-12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

#palette input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}
#palette ul {
  list-style: none;
  margin: 0;
  padding: 6px;
  max-height: 320px;
  overflow-y: auto;
}
#palette li {
  padding: 10px 14px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-soft);
  font-size: 13.5px;
  display: flex;
  justify-content: space-between;
  transition: background .1s;
}
#palette li.on, #palette li:hover {
  background: var(--panel-hover);
  color: var(--text);
}
#palette li .k {
  color: var(--dim);
  font-size: 12px;
}

/* ---------- COPY TOAST ---------- */
#toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--panel);
  border: 1px solid var(--green);
  color: var(--text);
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  transition: transform .3s cubic-bezier(.4,0,.2,1), opacity .3s;
  opacity: 0;
  z-index: 300;
  pointer-events: none;
}
#toast.on {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ---------- HINT KEY ---------- */
kbd {
  background: var(--bg);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
  font-family: inherit;
  font-size: 11px;
  color: var(--dim);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 560px) {
  .ls li { grid-template-columns: 1fr; gap: 0; }
  nav .wrap { gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .cursor, .run::before { animation: none; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .track div { transition: none; }
}