/* ========================================
   Portfolio 2 — Terminal Theme
   ======================================== */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Terminal palette */
  --bg:            #0d1117;
  --bg-lighter:    #161b22;
  --bg-card:       #1c2129;
  --bg-hover:      #21262d;
  --border:        #30363d;

  /* Text */
  --text:          #c9d1d9;
  --text-dim:      #6e7681;
  --text-bright:   #f0f6fc;

  /* Prompt / syntax colors */
  --green:         #3fb950;
  --green-dim:     #238636;
  --blue:          #58a6ff;
  --cyan:          #39d2e0;
  --yellow:        #e3b341;
  --orange:        #d29922;
  --red:           #f85149;
  --purple:        #bc8cff;
  --pink:          #f778ba;

  /* Font */
  --font: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;

  /* Nav width */
  --nav-w: 200px;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ----------------------------------------
   Scrollbar
   ---------------------------------------- */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #484f58; }
* { scrollbar-width: thin; scrollbar-color: var(--border) var(--bg); }

/* ----------------------------------------
   Terminal Title Bar
   ---------------------------------------- */
.terminal-bar {
  display: flex;
  align-items: center;
  height: 38px;
  background: var(--bg-lighter);
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  user-select: none;
  flex-shrink: 0;
  z-index: 100;
}

.terminal-dots {
  display: flex;
  gap: 8px;
  margin-right: 16px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  transition: opacity 0.15s;
}
.dot:hover { opacity: 0.75; }
.dot.close    { background: #ff5f57; }
.dot.minimize { background: #febc2e; }
.dot.maximize { background: #28c840; }

.terminal-title {
  flex: 1;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.terminal-bar-spacer { width: 68px; }

/* ----------------------------------------
   Sidebar Navigation
   ---------------------------------------- */
.cmd-nav {
  position: fixed;
  top: 38px;
  left: 0;
  width: var(--nav-w);
  height: calc(100vh - 38px);
  background: var(--bg-lighter);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  z-index: 50;
  overflow-y: auto;
}

.nav-label {
  font-size: 0.65rem;
  color: var(--text-dim);
  letter-spacing: 2px;
  padding: 0 16px 12px;
  text-transform: uppercase;
}

.nav-cmd {
  display: block;
  padding: 8px 16px;
  font-size: 0.78rem;
  color: var(--text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: all 0.15s;
  font-family: var(--font);
}

.nav-cmd::before {
  content: "$ ";
  color: var(--green-dim);
}

.nav-cmd:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.nav-cmd.active {
  color: var(--green);
  border-left-color: var(--green);
  background: rgba(63, 185, 80, 0.06);
}

.nav-cmd.active::before {
  color: var(--green);
}

/* ----------------------------------------
   Terminal Main Area
   ---------------------------------------- */
.terminal {
  margin-left: var(--nav-w);
  margin-top: 38px;
  height: calc(100vh - 38px);
  overflow-y: auto;
  padding: 40px 48px 120px;
}

/* ----------------------------------------
   Blocks (Sections)
   ---------------------------------------- */
.block {
  margin-bottom: 64px;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.block.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------
   Prompt Lines
   ---------------------------------------- */
.prompt-line {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.prompt {
  color: var(--green);
  font-weight: 700;
  white-space: nowrap;
  font-size: 0.9rem;
}

.cmd-text {
  color: var(--text-bright);
  font-size: 0.9rem;
}

/* ----------------------------------------
   Output Container
   ---------------------------------------- */
.output {
  padding-left: 24px;
  margin-bottom: 16px;
}

/* ----------------------------------------
   Hero Section
   ---------------------------------------- */
.ascii-art pre {
  color: var(--cyan);
  font-size: 0.7rem;
  line-height: 1.2;
  margin-bottom: 8px;
  overflow-x: auto;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.hero-text .hi {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-bright);
}

.hero-text .sub {
  font-size: 0.9rem;
  color: var(--text-dim);
  max-width: 560px;
  line-height: 1.6;
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-top: 8px;
}

.status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 4px 12px;
  border-radius: 3px;
}

.status-badge.available {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid var(--green-dim);
}

.status-uptime {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.status-uptime .num {
  color: var(--yellow);
  font-weight: 700;
}

/* ----------------------------------------
   JSON Block (About)
   ---------------------------------------- */
.json-block {
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px 24px;
  max-width: 640px;
}

.json-line {
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.85rem;
}

.json-key    { color: var(--blue); }
.json-string { color: var(--orange); }
.json-bool   { color: var(--purple); }
.json-colon  { color: var(--text-dim); }
.json-comma  { color: var(--text-dim); }
.json-brace  { color: var(--text-bright); font-weight: 700; }
.json-bracket{ color: var(--yellow); }

/* ----------------------------------------
   LS Output (Skills)
   ---------------------------------------- */
.ls-output {
  max-width: 700px;
}

.ls-header {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 20px;
}

.ls-group {
  margin-bottom: 20px;
}

.ls-dir-label {
  font-size: 0.78rem;
  color: var(--blue);
  margin-bottom: 10px;
  font-weight: 700;
}

.ls-items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-left: 16px;
}

.ls-file {
  font-size: 0.78rem;
  padding: 5px 14px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: all 0.2s;
  cursor: default;
}

.ls-file:hover {
  border-color: var(--text-dim);
  transform: translateY(-1px);
}

.ls-file.lang      { color: var(--yellow); }
.ls-file.framework  { color: var(--cyan); }
.ls-file.tool       { color: var(--purple); }
.ls-file.learning   { color: var(--pink); border-style: dashed; }

/* ----------------------------------------
   Git Log (Experience)
   ---------------------------------------- */
.git-log {
  max-width: 700px;
}

.commit {
  position: relative;
  padding: 20px 24px;
  margin-bottom: 24px;
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  border-radius: 6px;
  transition: border-color 0.2s;
}

.commit:hover {
  border-color: var(--text-dim);
}

.commit-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.commit-hash {
  font-size: 0.78rem;
  color: var(--yellow);
  font-weight: 700;
}

.commit-tag {
  font-size: 0.65rem;
  padding: 2px 8px;
  border-radius: 3px;
  background: rgba(63, 185, 80, 0.12);
  color: var(--green);
  border: 1px solid var(--green-dim);
}

.commit-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 12px;
}

.commit-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-bright);
  margin-bottom: 14px;
}

.commit-diff {
  margin-bottom: 14px;
}

.diff-line {
  font-size: 0.8rem;
  line-height: 1.7;
  padding: 1px 8px;
  border-radius: 3px;
}

.diff-line.add {
  color: var(--green);
  background: rgba(63, 185, 80, 0.08);
}

.diff-line.remove {
  color: var(--red);
  background: rgba(248, 81, 73, 0.08);
}

.commit-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.stack-tag {
  font-size: 0.68rem;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--bg-hover);
  color: var(--text-dim);
  border: 1px solid var(--border);
}

/* ----------------------------------------
   Projects Grid
   ---------------------------------------- */
.projects-output {
  display: flex;
  flex-direction: column;
  gap: 30px;
  max-width: 900px;
}

.category-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 7px;
  border-bottom: 1px dashed var(--border);
}

.category-name {
  color: var(--text-dim);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.category-name::before {
  content: "# ";
  color: var(--green);
}

.category-count {
  color: var(--text-dim);
  font-size: 0.68rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1px 8px;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  max-width: 900px;
}

.project-card {
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 20px;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}

.project-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.project-path {
  font-size: 0.7rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.project-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: 8px;
}

.project-desc {
  font-size: 0.8rem;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 14px;
}

.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.project-links {
  display: flex;
  align-items: center;
  gap: 14px;
}

.proj-link {
  font-size: 0.75rem;
  color: var(--blue);
  text-decoration: none;
  transition: color 0.15s;
}

.proj-link:hover {
  color: var(--text-bright);
  text-decoration: underline;
}

.proj-stars {
  font-size: 0.73rem;
  color: var(--yellow);
  margin-left: auto;
}

.proj-stars::before {
  content: "★ ";
}

.proj-private {
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.03em;
}

.proj-private::before {
  content: "🔒 ";
  filter: grayscale(1) opacity(0.7);
}

/* ----------------------------------------
   Contact Section
   ---------------------------------------- */
.contact-block {
  max-width: 560px;
}

.contact-msg {
  font-size: 0.88rem;
  color: var(--text);
  line-height: 1.7;
  margin-bottom: 24px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.contact-item {
  display: flex;
  gap: 16px;
  padding: 10px 16px;
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 0.2s;
}

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

.contact-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  min-width: 70px;
}

.contact-value {
  font-size: 0.8rem;
  color: var(--green);
}

/* ----------------------------------------
   Final Prompt + Cursor
   ---------------------------------------- */
.final-prompt {
  margin-top: 40px;
}

.cursor-block {
  color: var(--green);
  font-weight: 700;
  animation: cursorBlink 1s step-end infinite;
}

@keyframes cursorBlink {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0; }
}

/* ----------------------------------------
   Typing Animation
   ---------------------------------------- */
.typed {
  overflow: hidden;
  border-right: 2px solid var(--green);
  white-space: nowrap;
  width: 0;
  animation: none;
}

.typed.animate {
  animation: typeCursor 0.6s step-end 4;
}

@keyframes typeCursor {
  0%, 100% { border-right-color: var(--green); }
  50%      { border-right-color: transparent; }
}

.typed.done {
  border-right-color: transparent;
}

/* ----------------------------------------
   Selection
   ---------------------------------------- */
::selection {
  background: rgba(88, 166, 255, 0.3);
  color: var(--text-bright);
}

/* ----------------------------------------
   Chat Widget (Terminal-themed)
   ---------------------------------------- */
.chat-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-lighter);
  border: 1px solid var(--border);
  color: var(--green);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: border-color 0.2s, transform 0.2s;
}

.chat-btn:hover {
  border-color: var(--green);
  transform: scale(1.08);
}

.chat-btn-icon {
  line-height: 1;
}

.chat-window {
  position: fixed;
  bottom: 90px;
  right: 24px;
  width: 370px;
  height: 480px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  display: none;
  flex-direction: column;
  z-index: 900;
  overflow: hidden;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.chat-window.open {
  display: flex;
}

.chat-bar {
  display: flex;
  align-items: center;
  height: 34px;
  background: var(--bg-lighter);
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-bar-dots {
  display: flex;
  gap: 6px;
  margin-right: 10px;
}

.chat-bar-dots .dot {
  width: 10px;
  height: 10px;
}

.chat-bar-title {
  flex: 1;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.5px;
}

.chat-bar-close {
  font-size: 1.1rem;
  color: var(--text-dim);
  cursor: pointer;
  line-height: 1;
  padding: 2px 4px;
  transition: color 0.15s;
}

.chat-bar-close:hover {
  color: var(--red);
}

.chat-messages {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg);
}

.chat-msg {
  display: flex;
  gap: 8px;
  max-width: 90%;
  font-size: 0.8rem;
  line-height: 1.5;
}

.chat-msg.user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.chat-msg.bot {
  align-self: flex-start;
}

.chat-msg-prompt {
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.75rem;
}

.chat-msg.bot .chat-msg-prompt {
  color: var(--cyan);
}

.chat-msg.user .chat-msg-prompt {
  color: var(--green);
}

.chat-msg-text {
  padding: 6px 12px;
  border-radius: 6px;
  word-break: break-word;
}

.chat-msg.bot .chat-msg-text {
  background: var(--bg-lighter);
  color: var(--text);
  border: 1px solid var(--border);
}

.chat-msg.user .chat-msg-text {
  background: rgba(63, 185, 80, 0.12);
  color: var(--green);
  border: 1px solid var(--green-dim);
}

.chat-input-area {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  background: var(--bg-lighter);
}

.chat-input-prompt {
  color: var(--green);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.8rem;
  padding: 7px 10px;
  border-radius: 4px;
  outline: none;
  transition: border-color 0.15s;
}

.chat-input:focus {
  border-color: var(--green);
}

.chat-input::placeholder {
  color: var(--text-dim);
}

.chat-send {
  background: var(--green-dim);
  color: #fff;
  border: none;
  font-family: var(--font);
  font-size: 0.75rem;
  padding: 7px 14px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.15s;
  flex-shrink: 0;
}

.chat-send:hover {
  background: var(--green);
}

/* Typing indicator dots */
.typing-dots span {
  animation: typingBounce 1.4s infinite;
  display: inline-block;
  font-weight: 700;
  font-size: 1.1rem;
  line-height: 1;
}
.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30%           { opacity: 1;   transform: translateY(-3px); }
}

/* ----------------------------------------
   Responsive
   ---------------------------------------- */
@media (max-width: 900px) {
  :root { --nav-w: 160px; }

  .terminal { padding: 32px 28px 120px; }

  .ascii-art pre { font-size: 0.5rem; }

  .json-block { max-width: 100%; }

  .ls-output,
  .git-log,
  .contact-block { max-width: 100%; }
}

@media (max-width: 700px) {
  /* ── Bottom tab nav ── */
  .cmd-nav {
    position: fixed;
    top: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    height: auto;
    flex-direction: row;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0;
    gap: 0;
    border-right: none;
    border-top: 1px solid var(--border);
    z-index: 200;
    -webkit-overflow-scrolling: touch;
  }

  .nav-label { display: none; }

  .nav-cmd {
    white-space: nowrap;
    padding: 12px 14px;
    font-size: 0.68rem;
    border-left: none;
    border-bottom: 2px solid transparent;
    flex-shrink: 0;
  }

  .nav-cmd.active {
    border-left-color: transparent;
    border-bottom-color: var(--green);
  }

  /* ── Terminal body ── */
  .terminal {
    margin-left: 0;
    padding: 24px 16px 110px;
  }

  .output { padding-left: 12px; }

  /* ── Hero ── */
  .hero-text .hi { font-size: 1.15rem; }

  .ascii-art pre { font-size: 0.38rem; }

  .hero-status {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  /* ── JSON block ── */
  .json-block { padding: 14px 16px; }

  /* ── Projects ── */
  .projects-grid { grid-template-columns: 1fr; }

  /* ── Contact ── */
  .contact-item { flex-direction: column; gap: 4px; }

  .contact-label { min-width: unset; }

  /* ── Chat ── */
  .chat-btn {
    bottom: 68px;
    right: 16px;
    width: 46px;
    height: 46px;
    font-size: 0.85rem;
  }

  .chat-window {
    bottom: 120px;
    right: 10px;
    left: 10px;
    width: auto;
    height: 380px;
  }
}

@media (max-width: 480px) {
  html { font-size: 12px; }

  .terminal-title { font-size: 0.68rem; letter-spacing: 0; }
  .terminal-bar-spacer { display: none; }

  .prompt { font-size: 0.75rem; }

  .ascii-art pre { font-size: 0.32rem; }

  .hero-text .hi { font-size: 1rem; }

  .block { margin-bottom: 48px; }

  .commit { padding: 14px 16px; }

  .ls-items { padding-left: 8px; gap: 6px; }

  .project-card { padding: 16px; }

  .output { padding-left: 8px; }
}