/* ===== CSS Variables — matches portfolio.udaykp.dev ===== */
:root {
  --bg-color: #ffffff;
  --surface-color: #ffffff;
  --surface-hover: #f8f9fa;
  --text-main: #202124;
  --text-muted: #5f6368;
  --accent-color: #202124;
  --accent-hover: #000000;
  --border-color: #9aa0a6;
  --grid-dot: #a8adb3;
  --nav-height: 72px;
  --blue-accent: #1a73e8;
  --blue-hover: #1557b0;
}

/* ===== Reset ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Google Sans', 'Roboto', system-ui, -apple-system, sans-serif;
}

html {
  font-size: 18px;
}

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  font-weight: 500;
  color: var(--text-main);
  line-height: 1.2;
}

p {
  color: var(--text-muted);
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

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

/* ===== Navigation ===== */
nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  transition: all 0.4s ease;
}

nav.scrolled {
  top: 16px;
  width: max-content;
  max-width: calc(100% - 32px);
  height: 56px;
  border-radius: 28px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1), 0 1px 4px rgba(0, 0, 0, 0.06);
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  padding: 0 1.5rem;
}

.nav-links {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.nav-links a {
  font-family: 'Google Sans', 'Roboto', sans-serif;
  font-size: 1.05rem;
  font-weight: 400;
  color: #3c4043;
  transition: all 0.2s ease;
  padding: 0.5rem 1.2rem;
  border-radius: 24px;
}

.nav-links a:hover {
  color: #202124;
  background: #f1f3f4;
}

.nav-links a.active {
  color: var(--blue-accent);
  background: #e8f0fe;
  font-weight: 500;
}

/* ===== Hero ===== */
.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  background-color: var(--bg-color);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--grid-dot) 1.5px, transparent 1.5px);
  background-size: 36px 36px;
  background-position: calc(50% + var(--bg-x, 0px)) calc(50% + var(--bg-y, 0px));
  transition: background-position 0.15s cubic-bezier(0.25, 1, 0.5, 1);
  z-index: 0;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(700px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(26, 115, 232, 0.25), transparent 55%);
  z-index: 1;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 1) 100%);
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
}

.hero h1 {
  font-size: 4rem;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
}

.hero h2 {
  font-size: 1.5rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 2.5rem;
}

/* Typewriter */
.type-animate .char {
  opacity: 0;
  transition: opacity 0.05s;
}

.type-animate .char.visible {
  opacity: 1;
}

.typing-cursor {
  display: inline-block;
  width: 0;
  overflow: visible;
  color: var(--blue-accent);
  font-weight: 300;
  animation: blink 1s step-start infinite;
  pointer-events: none;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* Hero buttons */
.hero-cta-container {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.hero-fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Buttons ===== */
.btn-primary {
  background: var(--blue-accent);
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 1.05rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--blue-accent);
  cursor: pointer;
  font-family: 'Google Sans', 'Roboto', sans-serif;
}

.btn-primary:hover {
  background: var(--blue-hover);
  box-shadow: 0 4px 12px rgba(26, 115, 232, 0.3);
  transform: translateY(-1px);
}

.btn-primary:disabled {
  background: var(--border-color);
  border-color: var(--border-color);
  color: var(--text-muted);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: #f8f9fa;
  color: var(--text-main);
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 1.05rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--border-color);
  cursor: pointer;
  font-family: 'Google Sans', 'Roboto', sans-serif;
}

.btn-secondary:hover {
  background: #f1f3f4;
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== Container & Section Wrapper ===== */
.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
}

.section-wrapper {
  display: flex;
  padding: 6rem 0;
  border-bottom: 1px solid var(--border-color);
  gap: 4rem;
}

.section-wrapper:last-child {
  border-bottom: none;
}

/* Sticky left column */
.left-col {
  flex: 0 0 120px;
  position: sticky;
  top: calc(var(--nav-height) + 40px);
  height: max-content;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.icon-container {
  width: 56px;
  height: 56px;
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-color);
  margin-bottom: 1rem;
  transition: all 0.2s ease;
}

.icon-container svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.section-wrapper:hover .icon-container {
  background: rgba(26, 115, 232, 0.04);
  border-color: var(--blue-accent);
  transform: scale(1.02);
}

.section-title {
  font-size: 1rem;
  letter-spacing: 0.5px;
  color: var(--text-main);
  font-weight: 600;
  text-transform: uppercase;
}

.right-col {
  flex: 1;
}

/* ===== Cards ===== */
.card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 2.5rem;
  margin-bottom: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(26, 115, 232, 0.08), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

.card>* {
  position: relative;
  z-index: 1;
}

.card:hover {
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
  border-color: transparent;
}

.card:hover::before {
  opacity: 1;
}

.card:last-child {
  margin-bottom: 0;
}

.card h3 {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p,
.card li {
  font-weight: 450;
}

.cta-card {
  border: 1.5px solid var(--border-color);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.minimal-card {
  background: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
  transition: all 0.2s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.minimal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  background: radial-gradient(600px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(26, 115, 232, 0.08), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

.minimal-card>* {
  position: relative;
  z-index: 1;
}

.minimal-card:hover {
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
  border-color: transparent;
}

.minimal-card:hover::before {
  opacity: 1;
}

/* ===== Grid ===== */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* ===== Tags ===== */
.skills-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-tag {
  background: #f1f3f4;
  border: 1px solid transparent;
  padding: 0.375rem 1rem;
  border-radius: 16px;
  font-weight: 450;
  font-size: 1rem;
  color: var(--text-main);
  font-weight: 400;
  transition: all 0.2s ease;
}

.skill-tag:hover {
  background: #e8eaed;
}

.skill-tag.accent {
  background: #e8f0fe;
  color: var(--blue-accent);
}

/* ===== Tier list ===== */
.tier-item {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: 16px;
  border: 1px solid var(--border-color);
  margin-bottom: 0.75rem;
  transition: all 0.2s ease;
}

.tier-item:hover {
  border-color: transparent;
  box-shadow: 0 1px 2px 0 rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);
}

.tier-item:last-child {
  margin-bottom: 0;
}

.tier-badge {
  display: inline-block;
  padding: 0.25rem 1rem;
  border-radius: 16px;
  font-size: 0.85rem;
  font-weight: 500;
  min-width: 110px;
  text-align: center;
}

.tier-badge.warmup {
  background: #e6f4ea;
  color: #137333;
}

.tier-badge.beginner {
  background: #e8f0fe;
  color: #174ea6;
}

.tier-badge.intermediate {
  background: #fef7e0;
  color: #b05a00;
}

.tier-badge.advanced {
  background: #fce8e6;
  color: #c5221f;
}

.tier-badge.expert {
  background: #f3e8fd;
  color: #7627bb;
}

.tier-tasks {
  font-size: 0.9rem;
  color: var(--text-muted);
  min-width: 60px;
}

.tier-desc {
  font-size: 0.95rem;
  color: var(--text-main);
}

/* ===== Feature grid ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 16px;
  background: #e8f0fe;
  color: var(--blue-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 1rem;
}

/* ===== Code block ===== */
.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #f1f3f4;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  font-family: 'Google Sans', 'Roboto', sans-serif;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.copy-btn:hover {
  background: #e8eaed;
  color: var(--text-main);
}

.copy-btn.copied {
  background: #e6f4ea;
  border-color: #34a853;
  color: #137333;
}

/* Syntax highlighting */
.code-block span {
  font-family: inherit;
  font-size: inherit;
}
.hl-keyword { color: #1a73e8; font-weight: 500; }
.hl-string { color: #137333; }
.hl-comment { color: #9aa0a6; font-style: italic; }
.hl-builtin { color: #7627bb; }
.hl-punct { color: #5f6368; }

.code-block {
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.5rem;
  font-family: 'Google Sans Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  overflow-x: auto;
  white-space: pre;
  color: var(--text-main);
  line-height: 1.7;
}

/* ===== Playground ===== */
.pg-row-2col {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1rem;
  align-items: start;
}

.card-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue-accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
  display: block;
}

.cmd-input {
  width: 100%;
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 12px;
  color: var(--text-main);
  font-family: 'Google Sans Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.9rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cmd-input:focus {
  border-color: var(--blue-accent);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.12);
}

.cmd-input::placeholder {
  color: #9aa0a6;
}

.cmd-input:disabled {
  background: #f1f3f4;
  color: #9aa0a6;
  cursor: not-allowed;
}

.btn-secondary:disabled {
  background: #f1f3f4;
  color: #9aa0a6;
  cursor: not-allowed;
  border-color: var(--border-color);
  box-shadow: none;
}

/* State box */
.state-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.state-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.state-label {
  font-size: 0.9rem;
  color: var(--text-main);
  font-weight: 500;
}

/* Solution button */
.btn-solution {
  background: #fef7e0;
  color: #b05a00;
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  border: 1px solid #f9ab00;
  cursor: pointer;
  font-family: 'Google Sans', 'Roboto', sans-serif;
}

.btn-solution:hover {
  background: #f9ab00;
  color: #fff;
}

.btn-solution:disabled {
  background: #f1f3f4;
  border-color: var(--border-color);
  color: #9aa0a6;
  cursor: not-allowed;
}

/* Solution panel */
.solution-panel {
  border-radius: 16px;
  padding: 1.25rem;
  background: #fffbeb;
  border: 1px solid #f9ab00;
  border-left: 4px solid #f9ab00;
}

.solution-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.solution-commands {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.solution-cmd {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #fff;
  border: 1px solid #f0e6c8;
  border-radius: 10px;
  padding: 0.75rem 1rem;
}

.solution-step {
  min-width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #f9ab00;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  flex-shrink: 0;
  margin-top: 0.1rem;
}

.solution-cmd code {
  font-family: 'Google Sans Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  color: var(--text-main);
  word-break: break-all;
  line-height: 1.5;
}

.solution-cmd.is-note {
  background: #fff8e1;
  border-style: dashed;
}

.solution-cmd.is-note code {
  color: #b05a00;
  font-style: italic;
  font-family: 'Google Sans', 'Roboto', sans-serif;
  font-size: 0.9rem;
}

.solution-cmd.is-note .solution-step {
  background: #e0a800;
}

.solution-commands-scroll {
  max-height: 150px;
  overflow-y: auto;
}

.state-value {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
}

.progress-bar-container {
  flex: 1;
  max-width: 120px;
  height: 8px;
  background: #f1f3f4;
  border-radius: 4px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--blue-accent);
  border-radius: 4px;
  transition: width 0.4s ease;
}

/* Infrastructure tiles */
.infra-tiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 0.75rem;
}

.infra-tile {
  aspect-ratio: 1;
  border: 1px solid var(--border-color);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  padding: 0.5rem;
}

.infra-tile:hover {
  border-color: var(--blue-accent);
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.12);
  transform: translateY(-2px);
}

.infra-tile.has-resources {
  border-color: var(--blue-accent);
  background: rgba(26, 115, 232, 0.04);
}

.infra-tile-icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.infra-tile.has-resources .infra-tile-icon {
  color: var(--blue-accent);
}

.infra-tile-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.5;
}

.infra-tile-name {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.2px;
  color: var(--text-muted);
  font-weight: 600;
  text-align: center;
  line-height: 1.2;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.infra-tile.has-resources .infra-tile-name {
  color: var(--blue-accent);
}

.infra-tile-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  border-radius: 10px;
  background: var(--blue-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
}

/* Log scroll */
.log-scroll {
  max-height: 250px;
  overflow-y: auto;
}

.log-table tbody tr {
  cursor: pointer;
  transition: background 0.15s ease;
}

.log-table tbody tr:hover {
  background: #f8f9fa;
}

/* Infra modal */
#infra-modal .modal-container,
#log-modal .modal-container {
  max-width: 700px;
}

#infra-modal,
#log-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow-y: auto;
  padding: 4rem 1rem;
}

#infra-modal.open,
#log-modal.open {
  display: block;
  opacity: 1;
}

.infra-res-group {
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.infra-res-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background 0.15s ease;
  user-select: none;
}

.infra-res-header:hover {
  background: #f8f9fa;
}

.infra-res-title {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  text-transform: capitalize;
}

.infra-res-count {
  font-size: 0.85rem;
  color: var(--text-muted);
  background: #f1f3f4;
  padding: 0.15rem 0.6rem;
  border-radius: 8px;
}

.infra-res-body {
  display: none;
  padding: 0 1rem 0.75rem;
  border-top: 1px solid var(--border-color);
}

.infra-res-body.open {
  display: block;
}

.infra-res-item {
  font-size: 0.85rem;
  font-family: 'Google Sans Mono', monospace;
  color: var(--text-main);
  padding: 0.35rem 0;
  border-bottom: 1px solid #f1f3f4;
}

.infra-res-item:last-child {
  border-bottom: none;
}

.chaos-active {
  color: #ea4335;
  font-weight: 500;
}

.chaos-inactive {
  color: var(--text-muted);
}

.state-episode-id {
  font-size: 0.7rem;
  word-break: break-all;
}

/* Task box */
.task-box {
  border-radius: 24px;
  padding: 2rem;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--border-color);
  min-height: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: border-color 0.2s ease;
}

.task-box.empty {
  text-align: center;
  color: var(--text-muted);
}

.task-box .task-badge {
  display: inline-block;
  padding: 0.15rem 0.9rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-right: 0.5rem;
}

.task-meta {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.task-desc {
  color: var(--text-main);
  font-size: 1rem;
  line-height: 1.5;
  margin-top: 0.75rem;
}

/* Status bar */
.status-bar {
  font-size: 0.9rem;
  padding: 0.75rem 1.25rem;
  border-radius: 16px;
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-left: 3px solid var(--border-color);
  min-height: 40px;
  color: var(--text-muted);
}

.status-bar.success {
  border-left-color: #34a853;
  background: #e6f4ea;
  color: #137333;
}

.status-bar.error {
  border-left-color: #ea4335;
  background: #fce8e6;
  color: #c5221f;
}

.status-bar.info {
  border-left-color: var(--blue-accent);
  background: #e8f0fe;
  color: #174ea6;
}

/* Output box */
.output-box {
  background: #f8f9fa;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 1.25rem;
  font-family: 'Google Sans Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.85rem;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 100px;
  max-height: 280px;
  overflow-y: auto;
  color: var(--text-main);
  line-height: 1.6;
}

/* Log table */
.log-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.log-table th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 500;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.log-table td {
  padding: 0.6rem 1rem;
  border-bottom: 1px solid #f1f3f4;
  color: var(--text-main);
}

.log-table .cmd {
  font-family: 'Google Sans Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
  font-size: 0.8rem;
}

.log-table .yes {
  color: #34a853;
  font-weight: 500;
}

.log-table .no {
  color: #ea4335;
  font-weight: 500;
}

.log-empty {
  color: var(--text-muted);
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
}

/* Spinner */
.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-color);
  border-top-color: var(--blue-accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Animations */
.animate-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Timeline ===== */
.timeline {
  border-left: 2px dashed var(--border-color);
  padding-left: 2.5rem;
  margin-left: 0.5rem;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.85rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  background: var(--dot-bg, var(--surface-color));
  border: 2.5px solid var(--dot-color, var(--border-color));
  border-radius: 50%;
  transition: all 0.2s ease;
}

.timeline-item.active::before {
  background: var(--dot-color, var(--blue-accent));
  border-color: var(--dot-color, var(--blue-accent));
  box-shadow: 0 0 0 4px var(--dot-bg, rgba(26, 115, 232, 0.1));
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.role-title {
  font-size: 1.3rem;
  color: var(--text-main);
  font-weight: 600;
}

.date-badge {
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 450;
}

.timeline-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 450;
  margin-bottom: 0.75rem;
}

.timeline-points {
  list-style: none;
  padding: 0;
  margin: 0;
}

.timeline-points li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.25rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 450;
  line-height: 1.5;
}

.timeline-points li::before {
  content: '\2022';
  position: absolute;
  left: 0.15rem;
  color: var(--dot-color, var(--blue-accent));
  font-weight: bold;
  font-size: 1.1rem;
  line-height: 1.4;
}

.timeline-points li strong {
  color: var(--text-main);
  font-weight: 600;
}

/* Footer */
footer {
  padding: 4rem 2rem 2rem;
  border-top: 1px solid var(--border-color);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.6;
  max-width: 300px;
}

.footer-links-group h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.footer-links-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links-group li {
  margin-bottom: 0.6rem;
}

.footer-links-group a {
  font-size: 0.9rem;
  font-weight: 450;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-links-group a:hover {
  color: var(--text-main);
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 0;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .hero-cta-container {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }

  .section-wrapper {
    flex-direction: column;
    gap: 2rem;
    padding: 4rem 0;
  }

  .left-col {
    position: relative;
    top: 0;
    flex: none;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 1rem;
    text-align: left;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
  }

  .icon-container {
    margin-bottom: 0;
    width: 48px;
    height: 48px;
    border-radius: 14px;
  }

  .section-title {
    font-size: 1.2rem;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .pg-row-2col {
    grid-template-columns: 1fr;
  }

  .nav-links {
    display: none;
  }

  nav.scrolled {
    max-width: max-content;
    padding: 0 1.5rem;
  }

  nav::after {
    content: attr(data-active-section);
    font-weight: 500;
    font-family: 'Google Sans', 'Roboto', sans-serif;
    color: var(--text-main);
    font-size: 1.1rem;
  }

  .modal-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ===== Feature Chips ===== */
.feature-chips {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.feature-chip {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border-color);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.feature-chip::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(400px circle at var(--mouse-x, 0) var(--mouse-y, 0), rgba(26, 115, 232, 0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.feature-chip:hover {
  border-color: var(--blue-accent);
  box-shadow: 0 2px 8px rgba(26, 115, 232, 0.12);
  transform: translateX(4px);
}

.feature-chip:hover::before {
  opacity: 1;
}

.feature-chip-icon {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 12px;
  background: #e8f0fe;
  color: var(--blue-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all 0.2s ease;
}

.feature-chip:hover .feature-chip-icon {
  background: var(--blue-accent);
  color: white;
}

.feature-chip div {
  flex: 1;
  min-width: 0;
}

.feature-chip strong {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 0.15rem;
}

.feature-chip span {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.feature-chip code {
  background: #f1f3f4;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: 'Google Sans Mono', 'SF Mono', monospace;
}

.feature-chip-arrow {
  color: var(--border-color);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.feature-chip:hover .feature-chip-arrow {
  color: var(--blue-accent);
  transform: translateX(2px);
}

/* ===== Feature Modal ===== */
#feature-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2000;
  display: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  overflow-y: auto;
  padding: 4rem 1rem;
}

#feature-modal.open {
  display: block;
  opacity: 1;
}

.modal-container {
  max-width: 900px;
  margin: 0 auto;
  background: #fff;
  border-radius: 32px;
  padding: 3rem;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
  position: relative;
}

.close-modal {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #f1f3f4;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.close-modal:hover {
  background: #e8eaed;
  transform: scale(1.1);
}

.modal-container h2 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  padding-right: 3rem;
}

.modal-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  margin-top: 1rem;
}

.modal-section {
  margin-bottom: 1rem;
}

.modal-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--blue-accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
  display: block;
}

.modal-section p {
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}

.diag-container {
  background: #f8f9fa;
  border-radius: 20px;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  margin-top: 0.5rem;
}

.diag-container svg {
  width: 100%;
  height: auto;
}

.perf-card {
  background: #e8f0fe;
  border-radius: 16px;
  padding: 1rem;
  margin-bottom: 0.75rem;
  border: 1px solid rgba(26, 115, 232, 0.1);
}

.perf-val {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--blue-accent);
  display: block;
}

.perf-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}