:root {
  --black: #050505;
  --panel: #0a0a0a;
  --white: #f1f1ed;
  --gray: #868686;
  --dim: #4a4a4a;
  --line: #292929;
  --green: #668db5;
  --green-hover: #8eafd0;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas,
    "Liberation Mono", "DejaVu Sans Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--black);
  color: var(--white);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--black);
  font-family: var(--mono);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

::selection {
  color: var(--black);
  background: var(--green);
}

.shell {
  width: 100%;
  height: 100vh;
}

.terminal {
  overflow: hidden;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.92);
}

.terminal-bar {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 50px;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
  color: #777;
  font-size: 16px;
}

.terminal-dots {
  display: flex;
  gap: 9px;
}

.terminal-dots i {
  width: 9px;
  height: 9px;
  border: 1px solid #606060;
  border-radius: 50%;
}

.terminal-body {
  height: calc(100vh - 50px);
  overflow-y: auto;
  padding: clamp(24px, 5vw, 64px);
  scrollbar-width: thin;
  scrollbar-color: var(--dim) transparent;
}

.output-block {
  margin-bottom: 24px;
}

.output-block p {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.65;
}

.welcome-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}

.ascii {
  margin: 0 0 30px;
  color: var(--white);
  font-family: var(--mono);
  font-size: clamp(7px, 1.05vw, 15px);
  font-weight: 500;
  line-height: 1.15;
}

.contact-links {
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: flex-end;
  gap: 14px;
  padding-top: 2px;
  font-size: 21px;
}

.contact-links span {
  margin-bottom: 5px;
  color: var(--gray);
  font-size: 16px;
  letter-spacing: 0.14em;
}

.contact-links a {
  color: var(--green);
  text-decoration: none;
  border-bottom: 1px solid var(--green);
}

.contact-links a:hover {
  color: var(--green-hover);
  border-color: var(--green-hover);
}

.muted,
.output-muted {
  color: var(--gray);
}

.error {
  color: #c9c9c9;
}

.inline-command {
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--green);
  color: var(--green);
  background: none;
  cursor: pointer;
}

.inline-command:hover {
  color: var(--green-hover);
  border-color: var(--green-hover);
}

.command-line,
.history-line {
  display: flex;
  align-items: baseline;
  font-size: 19px;
  line-height: 1.65;
}

.prompt {
  flex: 0 0 auto;
  margin-right: 12px;
}

.prompt b {
  color: #7d7d7d;
  font-weight: 400;
}

#command-input {
  min-width: 0;
  flex: 1;
  padding: 0;
  border: 0;
  outline: 0;
  color: var(--white);
  background: transparent;
  caret-color: var(--white);
}

.command-grid {
  display: grid;
  grid-template-columns: 135px 1fr;
  gap: 10px 22px;
  margin-top: 12px;
}

.command-grid button {
  width: max-content;
  padding: 0;
  border: 0;
  color: var(--green);
  background: none;
  text-align: left;
  cursor: pointer;
}

.command-grid button:hover {
  color: var(--green-hover);
  text-decoration: underline;
}

.command-grid span {
  color: var(--gray);
  font-size: 18px;
}

.project {
  padding: 17px 0;
  border-top: 1px solid var(--line);
}

.project:first-of-type {
  margin-top: 12px;
}

.project-title {
  color: var(--green);
}

.project-meta {
  color: var(--gray);
}

.link {
  color: var(--green);
  text-underline-offset: 3px;
}

.link:hover {
  color: var(--green-hover);
}

a:focus-visible,
button:focus-visible {
  outline: 1px solid var(--green-hover);
  outline-offset: 4px;
}

@media (max-width: 850px) {
  .welcome-header {
    flex-direction: column;
    gap: 0;
  }

  .contact-links {
    align-items: flex-start;
    flex-direction: row;
    flex-wrap: wrap;
    margin-bottom: 28px;
  }

  .contact-links span {
    width: 100%;
    margin: 0;
  }

  .ascii {
    font-size: clamp(5.5px, 1.42vw, 9px);
  }
}

@media (max-width: 700px) {
  .terminal-bar {
    font-size: 14px;
  }

  .terminal-body {
    padding: 28px 20px 40px;
  }

  .output-block p,
  .command-line,
  .history-line {
    font-size: 17px;
  }

  .command-grid {
    grid-template-columns: 88px minmax(0, 1fr);
    column-gap: 16px;
    row-gap: 14px;
  }

  .command-grid span {
    font-size: 16px;
    line-height: 1.5;
  }
}

@media (max-width: 480px) {
  .terminal-body {
    padding-inline: 16px;
  }

  .output-block {
    margin-bottom: 28px;
  }

  .command-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
    margin-top: 18px;
  }

  .command-grid span {
    margin-bottom: 14px;
    padding-left: 12px;
  }

  .command-grid button {
    line-height: 1.5;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation: none !important;
  }
}

.guestbook { max-width: 780px; }
.guestbook-form { display: grid; gap: 12px; margin: 24px 0 32px; }
.guestbook-form label { color: var(--gray); }
.guestbook input, .guestbook textarea {
  width: 100%; min-width: 0; padding: 12px;
  border: 1px solid var(--line); border-radius: 0;
  background: var(--black); color: var(--white);
  font: inherit; font-size: 16px; line-height: 1.5;
}
.guestbook textarea { resize: vertical; min-height: 110px; }
.guestbook input:focus, .guestbook textarea:focus {
  outline: 1px solid var(--green); outline-offset: 1px;
}
.guestbook button {
  padding: 10px 12px; border: 1px solid var(--line);
  background: transparent; color: var(--green); cursor: pointer;
}
.guestbook button:hover:not(:disabled) { color: var(--green-hover); border-color: var(--green); }
.guestbook button:disabled { opacity: 0.45; cursor: default; }
.guestbook-actions, .guestbook-heading, .guestbook-pagination {
  display: flex; align-items: center; flex-wrap: wrap; gap: 12px;
}
.guestbook-actions span { font-size: 13px; }
.guestbook-heading, .guestbook-pagination {
  justify-content: space-between; color: var(--gray); font-size: 14px;
}
.guestbook-heading { margin-bottom: 16px; }
.guestbook-entry { padding: 18px 0; border-top: 1px solid var(--line); overflow-wrap: anywhere; }
.guestbook .guestbook-author { color: var(--green); font-size: 16px; }
.guestbook .guestbook-message { white-space: pre-wrap; margin-bottom: 0; }
.guestbook .guestbook-feedback, .guestbook .guestbook-status { color: var(--gray); font-size: 14px; }
.guestbook-feedback:empty, .guestbook-status:empty { display: none; }
.guestbook-pagination { padding-top: 16px; border-top: 1px solid var(--line); }