:root {
  color-scheme: dark;
  --bg: #070a08;
  --panel: #0b100d;
  --panel-deep: #080c09;
  --line: #1c2d22;
  --line-soft: rgba(119, 255, 166, 0.12);
  --text: #d9e8dc;
  --muted: #73917d;
  --dim: #456151;
  --green: #7dffa4;
  --green-bright: #b7ffcb;
  --green-deep: #1d9f50;
  --amber: #f5c96a;
  --red: #ff6b68;
  --shadow: rgba(0, 0, 0, 0.45);
  --mono: "SFMono-Regular", "Cascadia Code", "Roboto Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #070a08;
  --panel: #0b100d;
  --panel-deep: #080c09;
  --line: #1c2d22;
  --line-soft: rgba(119, 255, 166, 0.12);
  --text: #d9e8dc;
  --muted: #73917d;
  --dim: #456151;
  --green: #7dffa4;
  --green-bright: #b7ffcb;
  --green-deep: #1d9f50;
  --amber: #f5c96a;
  --red: #ff6b68;
  --shadow: rgba(0, 0, 0, 0.45);
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f4f6f4;
  --panel: #ffffff;
  --panel-deep: #f0f3f1;
  --line: #d4e3d9;
  --line-soft: rgba(25, 130, 75, 0.10);
  --text: #1a2e22;
  --muted: #557865;
  --dim: #7a9a88;
  --green: #15803d;
  --green-bright: #166534;
  --green-deep: #22c55e;
  --amber: #d97706;
  --red: #dc2626;
  --shadow: rgba(0, 0, 0, 0.12);
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  min-height: 100vh;
  margin: 0;
  padding: clamp(18px, 4vw, 64px) clamp(12px, 3vw, 48px) 22px;
  color: var(--text);
  background:
    radial-gradient(circle at 80% 10%, rgba(30, 101, 55, 0.12), transparent 32rem),
    linear-gradient(145deg, var(--bg) 0%, #050705 100%);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.65;
  transition: color 200ms ease, background-color 200ms ease;
}

:root[data-theme="light"] body {
  background:
    radial-gradient(circle at 80% 10%, rgba(34, 197, 94, 0.10), transparent 32rem),
    linear-gradient(145deg, var(--bg) 0%, #eef2ef 100%);
}

body::before {
  position: fixed;
  z-index: 10;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.035;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(180, 255, 205, 0.8) 3px, transparent 4px);
  mix-blend-mode: screen;
}

:root[data-theme="light"] body::before {
  opacity: 0.018;
  background: repeating-linear-gradient(0deg, transparent 0, transparent 2px, rgba(20, 110, 60, 0.8) 3px, transparent 4px);
}

button, input { font: inherit; }
button { cursor: pointer; }

.terminal-shell {
  width: min(1160px, 100%);
  min-height: min(760px, calc(100vh - 100px));
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid #263b2d;
  border-radius: 12px;
  background: var(--panel);
  box-shadow: 0 28px 90px var(--shadow), 0 0 0 1px rgba(125, 255, 164, 0.04), inset 0 1px rgba(255, 255, 255, 0.03);
  transition: background-color 200ms ease, border-color 200ms ease, box-shadow 200ms ease;
}

:root[data-theme="light"] .terminal-shell {
  border-color: #caddd2;
  box-shadow: 0 18px 60px var(--shadow), 0 0 0 1px rgba(21, 128, 61, 0.06), inset 0 1px rgba(255, 255, 255, 0.8);
}

.window-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 43px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(#151c17, #101611);
  color: #9caf9f;
  user-select: none;
  transition: background 200ms ease, border-color 200ms ease;
}

:root[data-theme="light"] .window-bar {
  background: linear-gradient(#f5faf7, #e8f0eb);
  color: #557865;
}

.traffic-lights { display: flex; gap: 8px; width: 120px; }
.traffic-light { display: block; width: 12px; height: 12px; border-radius: 50%; box-shadow: inset 0 1px rgba(255, 255, 255, 0.28), 0 0 0 1px rgba(0, 0, 0, 0.25); }
.traffic-light.close { background: var(--red); }
.traffic-light.minimize { background: var(--amber); }
.traffic-light.maximize { background: #65d489; }

.window-title { font-size: 12px; letter-spacing: 0.02em; }
.title-mark { margin-right: 7px; color: #819a87; }
:root[data-theme="light"] .title-mark { color: #7a9a88; }
.window-actions { position: relative; display: flex; justify-content: flex-end; width: 120px; }
.command-menu .menu-toggle { display: flex; align-items: center; gap: 5px; padding: 6px; border: 0; border-radius: 6px; background: transparent; color: #6b8271; cursor: pointer; opacity: 0.55; transition: opacity 120ms ease, background-color 120ms ease; }
.command-menu .menu-toggle:hover, .command-menu.open .menu-toggle { opacity: 1; background-color: rgba(125, 255, 164, 0.08); }
.command-menu .menu-toggle span { display: block; width: 4px; height: 4px; border-radius: 50%; background: #6b8271; }
.command-menu .menu-list { display: none; position: absolute; top: calc(100% + 6px); right: 0; z-index: 50; min-width: 180px; margin: 0; padding: 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); box-shadow: 0 14px 40px var(--shadow); }
.command-menu.open .menu-list { display: flex; flex-direction: column; gap: 2px; }
.command-menu .menu-command { display: block; width: 100%; padding: 7px 10px; border: 0; border-radius: 6px; background: transparent; color: var(--green-bright); font-family: var(--mono); font-size: 12px; text-align: left; cursor: pointer; transition: background-color 120ms ease; }
.command-menu .menu-command:hover, .command-menu .menu-command:focus-visible { background: var(--line-soft); outline: none; }

:root[data-theme="light"] .command-menu .menu-toggle span { background: #557865; }
:root[data-theme="light"] .command-menu .menu-toggle { color: #557865; }
:root[data-theme="light"] .command-menu .menu-list { background: var(--panel); border-color: var(--line); }
:root[data-theme="light"] .command-menu .menu-command:hover, :root[data-theme="light"] .command-menu .menu-command:focus-visible { background: rgba(25, 130, 75, 0.10); }

.terminal-body {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: calc(min(760px, 100vh - 100px) - 43px);
  padding: clamp(22px, 4vw, 42px) clamp(18px, 5vw, 58px) 28px;
  background: linear-gradient(180deg, rgba(7, 13, 9, 0.85), rgba(8, 12, 9, 0.98));
  transition: background 200ms ease;
}

:root[data-theme="light"] .terminal-body {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(244, 248, 245, 0.98));
}

.boot-sequence { margin-bottom: 24px; color: var(--muted); font-size: 12px; }
.boot-line { min-height: 1.55em; }
.boot-command { color: var(--green); }
.muted { color: var(--dim); }
.boot-status { margin-top: 3px; }
.prompt-symbol { margin: 0 5px 0 2px; color: var(--green); font-weight: 700; }
.cursor-block { display: inline-block; width: 8px; height: 1.1em; margin-left: 4px; vertical-align: -0.16em; background: var(--green); animation: blink 1.1s steps(2, jump-none) infinite; }
.progress-track { width: min(300px, 80%); height: 2px; margin-top: 8px; overflow: hidden; background: #193020; }
:root[data-theme="light"] .progress-track { background: #cfe5d7; }
.progress-fill { display: block; width: 0; height: 100%; background: var(--green); animation: boot-progress 1.1s ease-out forwards; }

.terminal-output { flex: 1; min-height: 460px; }
.output-entry { margin: 0 0 26px; animation: reveal 220ms ease-out both; }
.output-command { margin-bottom: 8px; color: var(--muted); }
.output-command .prompt-user, .output-command .prompt-host, .output-command .prompt-path { color: var(--green); }

.prompt-user { color: var(--green-bright); }
.prompt-at, .prompt-path { color: var(--muted); }
.prompt-host { color: var(--green); }

.ascii-art {
  margin: 0 0 18px;
  overflow-x: auto;
  color: var(--green);
  font-size: clamp(7px, 1.2vw, 13px);
  line-height: 1.2;
  text-shadow: 0 0 14px rgba(125, 255, 164, 0.22);
  white-space: pre;
}

:root[data-theme="light"] .ascii-art {
  text-shadow: 0 0 14px rgba(21, 128, 61, 0.18);
}

.hero-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(220px, 0.7fr); gap: 34px; align-items: end; }
.eyebrow { margin: 0 0 5px; color: var(--green); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.hero-title { margin: 0; color: var(--green-bright); font-size: clamp(25px, 4vw, 45px); font-weight: 500; letter-spacing: -0.07em; line-height: 1.05; }
.hero-title span { color: var(--text); }
.hero-title-banner { display: block; margin: 6px 0 0; color: var(--text); font-size: clamp(20px, 3vw, 36px); font-weight: 400; letter-spacing: -0.025em; line-height: 1.18; white-space: nowrap; }
.hero-title-banner .accent { color: var(--green); font-weight: 500; }
:root[data-theme="light"] .hero-title-banner .accent { color: #15803d; }
.hero-copy { max-width: 650px; margin: 16px 0 0; color: #a9bead; }
:root[data-theme="light"] .hero-copy { color: #3e5c4b; }
.hero-copy strong { color: var(--green-bright); font-weight: 500; }
.hero-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 22px; padding: 15px 0 0 19px; border-left: 1px solid var(--green-deep); color: var(--muted); font-size: 11px; }
.meta-value { display: block; margin-top: 1px; color: var(--text); font-size: 13px; }

.section-heading { display: flex; align-items: center; gap: 12px; margin: 0 0 12px; color: var(--green-bright); font-size: 13px; font-weight: 500; }
.section-heading::after { flex: 1; height: 1px; content: ""; background: var(--line); }
.info-table { width: 100%; border-collapse: collapse; }
.info-table tr { border-bottom: 1px solid rgba(119, 255, 166, 0.08); }
:root[data-theme="light"] .info-table tr { border-bottom-color: rgba(21, 128, 61, 0.10); }
.info-table tr:last-child { border-bottom: 0; }
.info-table th, .info-table td { padding: 7px 0; text-align: left; vertical-align: top; }
.info-table th { width: 34%; color: var(--muted); font-weight: 400; }
.info-table td { color: var(--text); }

.experience-list, .skill-list, .contact-list { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.experience-row { display: grid; grid-template-columns: 118px minmax(170px, 1fr) 1.5fr; gap: 16px; padding: 8px 0; border-bottom: 1px solid rgba(119, 255, 166, 0.08); }
:root[data-theme="light"] .experience-row { border-bottom-color: rgba(21, 128, 61, 0.10); }
.experience-row:last-child { border-bottom: 0; }
.experience-year, .skill-number { color: var(--dim); }
.experience-company { color: var(--green-bright); }
.experience-role, .skill-detail { color: #a9bead; }
:root[data-theme="light"] .experience-role, :root[data-theme="light"] .skill-detail { color: #3e5c4b; }

.skill-row { display: grid; grid-template-columns: 26px 150px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px solid rgba(119, 255, 166, 0.08); }
:root[data-theme="light"] .skill-row { border-bottom-color: rgba(21, 128, 61, 0.10); }
.skill-row:last-child { border-bottom: 0; }
.skill-name { color: var(--green-bright); }

.tree { margin: 0; overflow-x: auto; color: #b5c9b8; line-height: 1.7; white-space: pre; }
:root[data-theme="light"] .tree { color: #4a6b57; }
.tree .tree-accent { color: var(--green); }

.contact-list li { display: flex; gap: 15px; padding: 7px 0; border-bottom: 1px solid rgba(119, 255, 166, 0.08); }
:root[data-theme="light"] .contact-list li { border-bottom-color: rgba(21, 128, 61, 0.10); }
.contact-list li:last-child { border-bottom: 0; }
.contact-key { width: 86px; color: var(--muted); }
a { color: var(--green); text-decoration: none; }
a:hover, a:focus-visible { color: var(--green-bright); text-decoration: underline; }

.help-grid { display: grid; grid-template-columns: minmax(160px, 0.8fr) 1fr; gap: 8px 20px; max-width: 700px; }
.help-command { color: var(--green-bright); }
.help-description { color: #a9bead; }
:root[data-theme="light"] .help-description { color: #3e5c4b; }
.error-line { color: #ff8985; }
:root[data-theme="light"] .error-line { color: #dc2626; }
.dim-line { color: var(--muted); }

.command-line { display: flex; align-items: baseline; min-height: 30px; margin-top: 12px; }
.prompt-label { flex: none; white-space: nowrap; }
#command-input { width: 100%; min-width: 0; padding: 0 0 0 9px; border: 0; outline: 0; color: var(--green-bright); background: transparent; caret-color: var(--green); }
#command-input::selection { color: var(--bg); background: var(--green); }
#command-input:focus-visible { outline: 1px solid var(--green-deep); outline-offset: 5px; }
.terminal-hint { margin-top: 17px; color: var(--dim); font-size: 11px; }
.hint-dot { display: inline-block; width: 5px; height: 5px; margin: 0 7px 1px 2px; border-radius: 50%; background: var(--green-deep); }
.inline-command { padding: 0; border: 0; color: var(--green); background: transparent; text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 3px; }
.hint-key { display: inline-block; margin-left: 13px; padding: 1px 5px; border: 1px solid #2b4432; border-radius: 3px; color: var(--muted); font-size: 10px; }
:root[data-theme="light"] .hint-key { border-color: #b8d4c3; }

.site-footer { display: flex; flex-wrap: wrap; gap: 13px; align-items: center; width: min(1160px, 100%); margin: 16px auto 0; color: var(--dim); font-size: 10px; }
.site-footer .footer-spacer { margin-left: auto; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 18px; height: 18px; padding: 0; font-size: 11px; line-height: 1; }
.footer-separator { color: #294331; }
:root[data-theme="light"] .footer-separator { color: #a8c4b4; }
.lang-switch { display: inline-flex; gap: 0; align-items: center; color: var(--dim); font-size: 10px; }
.lang-switch .lang-btn { padding: 1px 5px; border: 1px solid transparent; border-radius: 4px; background: transparent; color: var(--muted); font: inherit; font-size: 10px; cursor: pointer; transition: color 120ms ease, border-color 120ms ease, background 120ms ease; }
.lang-switch .lang-btn:hover { color: var(--text); }
.lang-switch .lang-btn.is-active { color: var(--green-bright); border-color: var(--green-deep); background: rgba(125, 255, 164, 0.08); }
.lang-switch .lang-sep { color: #294331; }
:root[data-theme="light"] .lang-switch .lang-btn.is-active { color: #166534; border-color: #15803d; background: rgba(21, 128, 61, 0.08); }
:root[data-theme="light"] .lang-switch .lang-sep { color: #a8c4b4; }
.theme-switch { display: inline-flex; gap: 0; align-items: center; color: var(--dim); font-size: 10px; }
.theme-switch .theme-btn { padding: 1px 5px; border: 1px solid transparent; border-radius: 4px; background: transparent; color: var(--muted); font: inherit; font-size: 10px; cursor: pointer; transition: color 120ms ease, border-color 120ms ease, background 120ms ease; }
.theme-switch .theme-btn:hover { color: var(--text); }
.theme-switch .theme-btn.is-active { color: var(--green-bright); border-color: var(--green-deep); background: rgba(125, 255, 164, 0.08); }
.theme-switch .theme-sep { color: #294331; }
:root[data-theme="light"] .theme-switch .theme-btn.is-active { color: #166534; border-color: #15803d; background: rgba(21, 128, 61, 0.08); }
:root[data-theme="light"] .theme-switch .theme-sep { color: #a8c4b4; }
.meta-link { color: var(--green); }
.meta-link:hover, .meta-link:focus-visible { color: var(--green-bright); text-decoration: underline; }

.theme-toggle-hint { margin-left: auto; color: var(--dim); font-size: 10px; }
:root[data-theme="light"] .theme-toggle-hint { color: var(--muted); }

@keyframes blink { 0%, 45% { opacity: 1; } 46%, 100% { opacity: 0; } }
@keyframes boot-progress { to { width: 100%; } }
@keyframes reveal { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; }
}

@media (max-width: 720px) {
  body { padding: 10px 7px 16px; font-size: 12px; }
  .terminal-shell { min-height: calc(100vh - 60px); border-radius: 8px; }
  .window-bar { height: 38px; padding: 0 11px; }
  .traffic-lights { width: 60px; gap: 6px; }
  .traffic-light { width: 10px; height: 10px; }
  .window-title { font-size: 10px; }
  .window-actions { width: 60px; }
  .terminal-body { min-height: calc(100vh - 98px); padding: 21px 14px 20px; }
  .terminal-output { min-height: 430px; }
  .hero-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); padding: 12px 0 0 13px; }
  .hero-title-banner { white-space: normal; font-size: clamp(20px, 6vw, 28px); }
  .experience-row { grid-template-columns: 75px 1fr; gap: 8px; }
  .experience-role { grid-column: 2; margin-top: -8px; }
  .skill-row { grid-template-columns: 23px 1fr; gap: 7px; }
  .skill-detail { grid-column: 2; margin-top: -8px; }
  .help-grid { grid-template-columns: 1fr; gap: 2px; }
  .help-description { margin-bottom: 7px; }
  .site-footer { flex-wrap: wrap; padding: 0 4px; row-gap: 8px; }
  .site-footer .footer-spacer { width: 100%; margin-left: 0; height: 0; }
}