/* ==========================================================================
   Reusable components
   ========================================================================== */

/* ---- Glass panel ---- */
.glass {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-glass);
}

/* ---- Mouse-driven 3D tilt target (see js/tilt.js) ---- */
.js-tilt {
  transition: transform 150ms var(--ease-out);
  transform-style: preserve-3d;
  will-change: transform;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  box-shadow: 0 4px 16px rgba(var(--accent-1-rgb), 0.3);
}

.btn-primary:hover {
  box-shadow: 0 8px 28px rgba(var(--accent-1-rgb), 0.5);
}

.btn-secondary {
  position: relative;
  background: transparent;
  color: var(--text-primary);
  border-color: transparent;
  isolation: isolate;
}

.btn-secondary::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(120deg, rgba(var(--accent-1-rgb), 0.8), transparent 40%, transparent 60%, rgba(var(--accent-1-rgb), 0.8));
  background-size: 220% 220%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  z-index: -1;
  animation: borderFlow 5s linear infinite;
}

@keyframes borderFlow {
  to { background-position: 220% 220%; }
}

.btn-ghost {
  color: var(--text-secondary);
  border-color: var(--border-glass);
}

.btn-ghost:hover {
  color: var(--text-primary);
  border-color: var(--border-glass-strong);
}

/* ---- Badges ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.badge-sm {
  padding: 0.25rem 0.65rem;
  font-size: 0.74rem;
}

.tech-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-block: 0.75rem;
}

/* ==========================================================================
   1. HERO
   ========================================================================== */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-3);
  box-shadow: 0 0 8px var(--accent-3);
  animation: pulse 2s ease-in-out infinite;
}

.terminal-cursor {
  color: var(--accent-2);
  animation: blink 1s step-end infinite;
}

/* Streaming "is generating" cursor — trails whatever text is being
   revealed by js/stream.js (explorer response + sidebar project view). */
.is-streaming::after {
  content: "▍";
  display: inline-block;
  margin-left: 1px;
  color: var(--accent-1);
  animation: blink 0.9s step-end infinite;
}

/* ==========================================================================
   2. PROFILE CARD
   ========================================================================== */
.profile-card-top {
  display: flex;
  gap: 2rem;
  padding: 2rem;
  flex-wrap: wrap;
}

.profile-avatar {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.profile-avatar svg,
.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 0 0 3px var(--border-glass-strong);
}

.availability-badge {
  position: absolute;
  bottom: 4px;
  right: 4px;
  color: var(--accent-3);
  background: var(--bg-primary);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  border: 2px solid var(--bg-primary);
}

.profile-main {
  flex: 1;
  min-width: 240px;
}

.profile-name {
  font-size: 1.5rem;
  margin-bottom: 0.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.profile-role {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.profile-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 1.25rem;
}

.profile-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
}

.stat strong {
  font-size: 1.3rem;
  color: var(--text-primary);
}

.stat span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  padding: 0 2rem 2rem;
}

/* ==========================================================================
   3. CONTRIBUTION HEATMAP
   ========================================================================== */
.heatmap-wrapper {
  padding: 1.75rem;
}

.heatmap-scroll {
  overflow-x: auto;
  padding-bottom: 0.5rem;
}

.heatmap-grid {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 1fr);
  gap: 3px;
  width: max-content;
}

.heatmap-grid .cell {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  cursor: pointer;
  transition: transform var(--transition-fast), outline var(--transition-fast);
  /* background color comes from the .level-N classes below —
     kept out of this rule so specificity doesn't override them */
}

.heatmap-grid .cell:hover,
.heatmap-grid .cell:focus-visible {
  transform: scale(1.35);
}

.level-0 { background: var(--heat-0); }
.level-1 { background: var(--heat-1); }
.level-2 { background: var(--heat-2); }
.level-3 { background: var(--heat-3); }
.level-4 { background: var(--heat-4); }

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 1rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.heatmap-legend .cell {
  width: 11px;
  height: 11px;
  border-radius: 3px;
  cursor: default;
}

.heatmap-tooltip {
  margin-top: 1rem;
  min-height: 1.5rem;
  color: var(--accent-2);
  font-size: 0.9rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   4. ACTIVITY TIMELINE (feed)
   ========================================================================== */
.activity-feed {
  border-left: 2px solid var(--border-glass);
  margin-left: 0.6rem;
}

.activity-item {
  position: relative;
  padding: 0.9rem 0 0.9rem 2rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.activity-item::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 1.3rem;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-1);
  box-shadow: 0 0 0 3px var(--bg-primary);
}

.activity-icon {
  font-size: 1.2rem;
  line-height: 1.4;
}

.activity-item time {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 0.15rem;
}

/* ==========================================================================
   5. SKILLS DASHBOARD
   ========================================================================== */
.skill-category {
  padding: 1.75rem;
}

.skill-category h3 {
  margin-bottom: 1.25rem;
  font-size: 1.05rem;
}

.skill-bar-item {
  margin-bottom: 1rem;
}

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

.skill-bar-label {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 0.75rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.skill-bar-label span:first-child {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.skill-icon-sm {
  width: 16px;
  height: 16px;
  object-fit: contain;
  flex-shrink: 0;
}

.skill-bar-label span:last-child {
  flex-shrink: 0;
  color: var(--text-muted);
}

.skill-bar-track {
  height: 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent-1), var(--accent-2));
  transition: width 1.1s var(--ease-out);
}

/* ==========================================================================
   6. PROJECTS
   ========================================================================== */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.75rem;
}

.filter-chip {
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}

.filter-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-glass-strong);
}

.filter-chip.is-active {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  border-color: transparent;
}

.project-card.is-hidden {
  display: none;
}

.noscript-projects {
  color: var(--text-secondary);
  line-height: 1.9;
}

.noscript-projects li {
  list-style: disc;
  margin-left: 1.2rem;
}

.project-card {
  padding: 1.5rem;
  cursor: pointer;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glass), var(--shadow-glow-1);
}

.project-card-header {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}

.project-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.project-name {
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.project-tagline {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.expand-indicator {
  margin-left: auto;
  font-size: 1.2rem;
  color: var(--text-muted);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.project-card.is-expanded .expand-indicator {
  transform: rotate(45deg);
  color: var(--accent-2);
}

.project-thumb {
  margin-top: 1rem;
  height: 160px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-glass);
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--transition-slow);
}

.project-card:hover .project-thumb img {
  transform: scale(1.05);
}

.project-thumb.placeholder-thumb {
  background: linear-gradient(135deg, rgba(var(--accent-1-rgb), 0.14), rgba(var(--accent-2-rgb), 0.1));
  border: 1px dashed var(--border-glass-strong);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 1rem;
}

.project-desc {
  margin-top: 1rem;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  font-size: 0.82rem;
  margin-top: 0.5rem;
}

.project-links a {
  color: var(--accent-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.project-expand {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.project-card.is-expanded .project-expand {
  max-height: 640px;
  margin-top: 1rem;
}

.project-expand h4 {
  font-size: 0.85rem;
  color: var(--accent-2);
  margin-top: 1rem;
  margin-bottom: 0.4rem;
}

.project-expand ul {
  padding-left: 1.1rem;
  list-style: disc;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.project-expand li {
  margin-bottom: 0.3rem;
}

.project-expand p {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

/* ==========================================================================
   7 & 9. TIMELINE (experience / education)
   ========================================================================== */
.timeline {
  position: relative;
  padding-left: 2rem;
  border-left: 2px solid var(--border-glass);
}

.timeline-item {
  position: relative;
  margin-bottom: 2rem;
}

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

.timeline-dot {
  position: absolute;
  left: -2.44rem;
  top: 1.6rem;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--accent-1);
}

.timeline-card {
  padding: 1.5rem 1.75rem;
}

.timeline-card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.timeline-card-head h3 {
  font-size: 1.15rem;
}

.timeline-period {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.timeline-company {
  color: var(--accent-2);
  font-size: 0.88rem;
  margin-bottom: 0.75rem;
}

.timeline-card p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
}

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

/* ==========================================================================
   8. CERTIFICATIONS
   ========================================================================== */
.cert-badge {
  padding: 1.75rem;
  text-align: center;
  transition: transform var(--transition-base);
}

.cert-badge:hover {
  transform: translateY(-4px) scale(1.02);
}

.cert-badge-icon {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.cert-badge h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.cert-badge p {
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.cert-date {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  color: var(--accent-3);
  font-family: var(--font-mono);
}

.cert-badge-empty {
  background: transparent;
  border: 1px dashed var(--border-glass-strong);
  box-shadow: none;
}

/* ==========================================================================
   10. CONTACT
   ========================================================================== */
.contact-card {
  padding: 1.75rem;
  text-align: center;
  transition: transform var(--transition-base), border-color var(--transition-base);
}

.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glass-strong);
}

.contact-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 0.75rem;
}

.contact-card h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.contact-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  word-break: break-word;
}

/* ==========================================================================
   11. CHATBOT
   ========================================================================== */
.chatbot {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
}

.chatbot-toggle {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-glow-1);
  transition: transform var(--transition-fast);
}

.chatbot-toggle:hover {
  transform: scale(1.08);
}

.chatbot-panel {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: min(340px, 88vw);
  height: min(480px, 70vh);
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-glass-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glass);
  overflow: hidden;
  transform-origin: bottom right;
  transform: scale(0.9) translateY(12px);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.chatbot-panel.is-open {
  transform: scale(1) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.chatbot-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--border-glass);
  background: var(--surface-glass-strong);
}

.chatbot-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  overflow: hidden;
}

.chatbot-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 8%;
}

.chatbot-header strong {
  display: block;
  font-size: 0.9rem;
}

.chatbot-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.chatbot-close {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 1rem;
}

.chatbot-close:hover {
  color: var(--text-primary);
}

.chatbot-messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.chat-msg {
  max-width: 85%;
  padding: 0.55rem 0.85rem;
  border-radius: 14px;
  font-size: 0.85rem;
  line-height: 1.5;
  animation: msgIn var(--transition-base);
}

.chat-msg-bot {
  align-self: flex-start;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  border-bottom-left-radius: 4px;
}

.chat-msg-user {
  align-self: flex-end;
  background: linear-gradient(135deg, var(--accent-1), #8b7bff);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.chat-goto-btn {
  align-self: flex-start;
  margin-top: -0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent-2);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.chat-goto-btn:hover {
  border-color: var(--accent-2);
  background: var(--surface-glass-strong);
}

.chat-typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 0.7rem 0.9rem;
  background: var(--surface-glass-strong);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}

.chat-typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingDot 1.2s ease-in-out infinite;
}

.chat-typing span:nth-child(2) { animation-delay: 0.15s; }
.chat-typing span:nth-child(3) { animation-delay: 0.3s; }

.chatbot-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0 1rem 0.75rem;
}

.suggestion-chip {
  font-size: 0.72rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.suggestion-chip:hover {
  border-color: var(--accent-2);
  color: var(--text-primary);
}

.chatbot-input-row {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem;
  border-top: 1px solid var(--border-glass);
}

.chatbot-input-row input {
  flex: 1;
  background: var(--surface-glass-strong);
  border: 1px solid var(--border-glass);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  font-size: 0.85rem;
  color: var(--text-primary);
}

.chatbot-input-row input:focus-visible {
  border-color: var(--accent-2);
}

.chatbot-input-row button {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  flex-shrink: 0;
}