/* ====================================================
   Beta Homepage – Clean Professional Theme
   Low-saturation blue palette, recruiter-friendly layout
   Wide grid with hero + sidebar, education + skills row
   ==================================================== */

/* ---------- Fonts ---------- */
@import url("https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;700&family=Space+Grotesk:wght@500;700&display=swap");

/* ---------- Design tokens ---------- */
:root {
  --beta-bg: #f5f8ff;
  --beta-bg-subtle: #eef3fc;
  --beta-surface: #ffffff;
  --beta-border: rgba(17, 32, 79, 0.10);
  --beta-border-strong: rgba(17, 32, 79, 0.16);
  --beta-shadow-sm: 0 2px 8px rgba(25, 46, 98, 0.06);
  --beta-shadow-md: 0 8px 24px rgba(25, 46, 98, 0.08);
  --beta-shadow-lg: 0 16px 48px rgba(25, 46, 98, 0.10);
  --beta-text: #1a2744;
  --beta-text-secondary: #5a6a8a;
  --beta-text-muted: #8694b0;
  --beta-accent: #3b7ddd;
  --beta-accent-hover: #2d6bc4;
  --beta-accent-soft: #e4edfa;
  --beta-accent-bg: #f0f5ff;
  --beta-user-bubble: #3b7ddd;
  --beta-assistant-bubble: #f0f4fb;
  --beta-success: #1f9d71;
  --beta-danger: #d64252;
  --beta-danger-bg: #fff2f4;
  --beta-danger-border: rgba(214, 66, 82, 0.18);
  --beta-radius-sm: 8px;
  --beta-radius-md: 12px;
  --beta-radius-lg: 16px;
  --beta-radius-xl: 20px;
  --beta-font-display: "Space Grotesk", "Avenir Next", "Segoe UI", sans-serif;
  --beta-font-body: "IBM Plex Sans", "Noto Sans SC", "Segoe UI", sans-serif;

  /* Used for bottom-padding calculation; actual bar height is dynamic. */
  --chat-bar-height: 280px;
  --header-height: 60px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--beta-bg);
  color: var(--beta-text);
  font-family: var(--beta-font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }

/* ---------- Header ---------- */
.beta-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--header-height);
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--beta-border);
}

.beta-logo {
  font-family: var(--beta-font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--beta-text);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.beta-nav {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: auto;
}

.beta-nav a {
  font-size: 0.9rem;
  color: var(--beta-text-secondary);
  transition: color 0.15s;
}

.beta-nav a:hover { color: var(--beta-text); }

.beta-nav-back {
  color: var(--beta-accent) !important;
  font-weight: 500;
}

.beta-nav-back:hover {
  color: var(--beta-accent-hover) !important;
}

.beta-lang-toggle {
  display: flex;
  gap: 6px;
  margin-left: 8px;
}

.beta-lang-btn {
  background: transparent;
  border: 1px solid var(--beta-border);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 0.82rem;
  color: var(--beta-text-secondary);
  cursor: pointer;
  transition: all 0.15s;
}

.beta-lang-btn.is-active {
  background: var(--beta-accent);
  color: #fff;
  border-color: var(--beta-accent);
}

.beta-lang-btn:hover:not(.is-active) {
  border-color: var(--beta-accent);
  color: var(--beta-accent);
}

/* ---------- Main layout ---------- */
.beta-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 32px;
  padding-bottom: calc(var(--chat-bar-height) + 40px);
}

/* ---------- Profile Zone ---------- */
.profile-zone {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* --- Grid rows --- */
.profile-row {
  display: grid;
  gap: 24px;
}

.profile-row-top {
  grid-template-columns: 1fr 1fr;
}

.profile-row-mid {
  grid-template-columns: 1fr 1fr;
}

.profile-row-bottom {
  grid-template-columns: 1fr 1fr;
}

/* --- Hero --- */
.profile-hero {
  background: var(--beta-surface);
  border: 1px solid var(--beta-border);
  border-radius: var(--beta-radius-xl);
  padding: 40px 36px 36px;
  box-shadow: var(--beta-shadow-md);
}

.profile-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--beta-accent);
  background: var(--beta-accent-bg);
  border: 1px solid var(--beta-accent-soft);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

.profile-name {
  font-family: var(--beta-font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--beta-text);
  margin: 0 0 10px;
}

.profile-headline {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--beta-text-secondary);
  line-height: 1.55;
  margin: 0 0 16px;
  max-width: 600px;
}

.profile-description {
  font-size: 0.95rem;
  color: var(--beta-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.profile-description p {
  margin: 0 0 10px;
}

.profile-description p:last-child {
  margin-bottom: 0;
}

.profile-description:empty {
  display: none;
}

.profile-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 24px;
  border: 1px solid var(--beta-border-strong);
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--beta-text);
  background: var(--beta-surface);
  transition: all 0.18s;
  white-space: nowrap;
}

.quick-link-btn:hover {
  border-color: var(--beta-accent);
  color: var(--beta-accent);
  box-shadow: var(--beta-shadow-sm);
}

.quick-link-primary {
  background: var(--beta-accent);
  color: #fff;
  border-color: var(--beta-accent);
}

.quick-link-primary:hover {
  background: var(--beta-accent-hover);
  color: #fff;
  border-color: var(--beta-accent-hover);
}

/* --- Sidebar --- */
.profile-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-card {
  flex: 1;
}

/* --- Profile cards --- */
.profile-card {
  background: var(--beta-surface);
  border: 1px solid var(--beta-border);
  border-radius: var(--beta-radius-lg);
  padding: 28px 32px;
  box-shadow: var(--beta-shadow-sm);
}

.card-title {
  font-family: var(--beta-font-display);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--beta-text-secondary);
  margin: 0 0 16px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.card-body {
  font-size: 0.92rem;
  color: var(--beta-text-secondary);
  line-height: 1.7;
}

.card-body p { margin: 0 0 12px; }
.card-body p:last-child { margin-bottom: 0; }

/* Education entries */
.edu-entry {
  padding: 14px 0;
  border-bottom: 1px solid var(--beta-border);
}

.edu-entry:last-child { border-bottom: none; }

.edu-info h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--beta-text);
}

.edu-info p {
  margin: 3px 0 0;
  font-size: 0.88rem;
  color: var(--beta-text-secondary);
}

.edu-description {
  margin: 4px 0 0;
  font-size: 0.86rem;
  color: var(--beta-text-muted);
}

/* Skill tags */
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-tag {
  display: inline-block;
  padding: 8px 18px;
  background: var(--beta-surface);
  color: var(--beta-text);
  border-radius: var(--beta-radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  border: 1px solid var(--beta-border-strong);
  transition: all 0.15s;
}

.skill-tag:hover {
  border-color: var(--beta-accent);
  color: var(--beta-accent);
}

/* Contact items */
.contact-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 0;
}

.contact-label {
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--beta-text);
  white-space: nowrap;
}

.contact-value {
  font-size: 0.88rem;
  color: var(--beta-text-secondary);
  word-break: break-word;
}

a.contact-value:hover {
  color: var(--beta-accent);
}

/* Experience entries */
.exp-entry {
  padding: 14px 0;
  border-bottom: 1px solid var(--beta-border);
}

.exp-entry:last-child { border-bottom: none; }

.exp-entry h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--beta-text);
}

.exp-entry .exp-role {
  margin: 3px 0 0;
  font-size: 0.88rem;
  color: var(--beta-text-secondary);
}

.exp-entry .exp-desc {
  margin: 4px 0 0;
  font-size: 0.86rem;
  color: var(--beta-text-muted);
  line-height: 1.6;
}

/* ---------- Chat Bar (compact sticky) ---------- */
.chat-zone {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--beta-surface);
  border-top: 2px solid var(--beta-accent);
  box-shadow: 0 -4px 24px rgba(25, 46, 98, 0.12);
  transition: box-shadow 0.2s;
}

/* Toolbar: clear + minimize buttons */
.chat-zone-toolbar {
  position: absolute;
  top: 6px;
  right: 12px;
  display: flex;
  gap: 4px;
  z-index: 5;
}

.chat-toolbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--beta-border);
  border-radius: 6px;
  background: var(--beta-surface);
  color: var(--beta-text-muted);
  cursor: pointer;
  transition: all 0.15s;
}

.chat-toolbar-btn:hover {
  border-color: var(--beta-accent);
  color: var(--beta-accent);
  background: var(--beta-accent-bg);
}

/* Drag handle */
.chat-zone-drag-handle {
  position: absolute;
  top: 14px; /* sits just below the 12 px resize strip + 2 px gap */
  left: 50%;
  transform: translateX(-50%);
  padding: 2px 16px 0;
  cursor: grab;
  z-index: 5;
  user-select: none;
  color: var(--beta-text-muted);
  font-size: 12px;
  letter-spacing: 2px;
  opacity: 0.5;
  transition: opacity 0.15s;
}

.chat-zone-drag-handle:hover { opacity: 1; }
.chat-zone-drag-handle:active { cursor: grabbing; }

.drag-dots {
  display: block;
  line-height: 1;
}

/* Resize handle (top edge) — visible pill indicator, taller hit target */
.chat-zone-resize-handle {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 12px;
  cursor: ns-resize;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  transition: background 0.15s;
}

.chat-zone-resize-handle::before {
  content: "";
  display: block;
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background: var(--beta-border-strong);
  transition: background 0.15s, width 0.15s;
}

.chat-zone-resize-handle:hover {
  background: var(--beta-accent-soft);
}

.chat-zone-resize-handle:hover::before {
  background: var(--beta-accent);
  width: 48px;
}

/* Minimized state: hide everything except the input form row */
.chat-zone.is-minimized .chat-zone-body,
.chat-zone.is-minimized .chat-suggestions,
.chat-zone.is-minimized .chat-footer,
.chat-zone.is-minimized .chat-zone-drag-handle,
.chat-zone.is-minimized .chat-zone-resize-handle {
  display: none;
}

.chat-zone.is-minimized .chat-zone-inner {
  padding-top: 6px;
  padding-bottom: 4px;
}

/* Detached (dragged) state */
.chat-zone.is-detached {
  left: auto;
  right: auto;
  bottom: auto;
  border-radius: var(--beta-radius-lg);
  border: 1px solid var(--beta-border-strong);
  box-shadow: var(--beta-shadow-lg);
  width: min(800px, 90vw);
  overflow: hidden;
}

.chat-zone-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 32px 8px;
}

/* Chat messages (hidden by default, shown when conversation starts) */
.chat-zone-body {
  display: none;
  /* Tall enough to show multi-paragraph assistant responses; user can resize. */
  max-height: 340px;
  overflow-y: auto;
  padding-bottom: 8px;
}

.chat-zone-body.has-messages {
  display: block;
}

.chat-messages {
  padding: 8px 0;
  scroll-behavior: smooth;
}

/* Messages */
.chat-msg {
  display: flex;
  margin-bottom: 10px;
  gap: 8px;
  max-width: 100%;
}

.chat-msg.user-msg {
  justify-content: flex-end;
}

.chat-msg.assistant-msg {
  justify-content: flex-start;
}

.msg-bubble {
  max-width: 75%;
  padding: 10px 16px;
  border-radius: var(--beta-radius-md);
  font-size: 0.9rem;
  line-height: 1.6;
  word-break: break-word;
}

.user-msg .msg-bubble {
  background: var(--beta-user-bubble);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.assistant-msg .msg-bubble {
  background: var(--beta-assistant-bubble);
  color: var(--beta-text);
  border-bottom-left-radius: 4px;
}

.error-msg .msg-bubble {
  background: var(--beta-danger-bg);
  color: var(--beta-danger);
  border: 1px solid var(--beta-danger-border);
  border-bottom-left-radius: 4px;
}

/* Markdown in assistant messages */
.msg-bubble strong { font-weight: 600; }
.msg-bubble em { font-style: italic; }
.msg-bubble code {
  background: rgba(0, 0, 0, 0.06);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.88em;
  font-family: "SF Mono", "Fira Code", monospace;
}
.msg-bubble pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 12px 16px;
  border-radius: var(--beta-radius-sm);
  overflow-x: auto;
  font-size: 0.85rem;
  margin: 8px 0;
}
.msg-bubble pre code {
  background: none;
  padding: 0;
  color: inherit;
}
.msg-bubble ul, .msg-bubble ol {
  margin: 6px 0;
  padding-left: 20px;
}
.msg-bubble li { margin-bottom: 4px; }
.msg-bubble p { margin: 0 0 8px; }
.msg-bubble p:last-child { margin-bottom: 0; }

/* Thinking animation */
.thinking-dots {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}

.thinking-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--beta-text-muted);
  animation: thinking-pulse 1.2s infinite;
}

.thinking-dots span:nth-child(2) { animation-delay: 0.2s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes thinking-pulse {
  0%, 60%, 100% { opacity: 0.3; transform: scale(0.85); }
  30% { opacity: 1; transform: scale(1); }
}

/* Suggestion buttons */
.chat-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 0 10px;
}

.suggestion-btn {
  background: var(--beta-surface);
  border: 1px solid var(--beta-border-strong);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 0.84rem;
  color: var(--beta-text-secondary);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.suggestion-btn:hover {
  border-color: var(--beta-accent);
  color: var(--beta-accent);
  background: var(--beta-accent-bg);
}

/* Chat input form */
.chat-input-form {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.chat-input {
  flex: 1;
  resize: none;
  border: 1px solid var(--beta-border-strong);
  border-radius: var(--beta-radius-md);
  padding: 12px 16px;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--beta-text);
  background: var(--beta-bg);
  transition: border-color 0.15s;
  max-height: 120px;
  overflow-y: auto;
}

.chat-input:focus {
  outline: none;
  border-color: var(--beta-accent);
  box-shadow: 0 0 0 3px var(--beta-accent-soft);
}

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

.chat-send-btn {
  flex-shrink: 0;
  padding: 10px 24px;
  border: none;
  border-radius: 999px;
  background: var(--beta-accent);
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: background 0.15s;
  white-space: nowrap;
}

.chat-send-btn:hover { background: var(--beta-accent-hover); }
.chat-send-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Chat footer */
.chat-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 0 0;
  font-size: 0.75rem;
  color: var(--beta-text-muted);
}

/* ---------- Responsive ---------- */

/* Tablet */
@media (max-width: 900px) {
  .beta-main {
    padding: 24px 16px;
    padding-bottom: calc(var(--chat-bar-height) + 32px);
  }

  .profile-row-top {
    grid-template-columns: 1fr;
  }

  .profile-row-mid {
    grid-template-columns: 1fr;
  }

  .profile-row-bottom {
    grid-template-columns: 1fr;
  }

  .profile-sidebar {
    flex-direction: row;
  }

  .profile-hero { padding: 28px 24px 24px; }
  .profile-card { padding: 20px 24px; }
  .chat-zone-inner { padding: 14px 16px 8px; }

  .beta-nav { gap: 12px; }
  .beta-nav a { font-size: 0.85rem; }
}

/* Mobile */
@media (max-width: 600px) {
  .beta-header {
    padding: 0 16px;
    gap: 10px;
  }

  .beta-nav { gap: 8px; }
  .beta-nav a { font-size: 0.8rem; }

  .beta-lang-toggle { gap: 4px; }
  .beta-lang-btn { padding: 3px 8px; font-size: 0.78rem; }

  .beta-main {
    padding: 16px 12px;
    padding-bottom: calc(var(--chat-bar-height) + 24px);
  }

  .profile-hero {
    padding: 24px 18px 20px;
  }

  .profile-name { font-size: 1.8rem; }
  .profile-headline { font-size: 0.95rem; }

  .quick-link-btn {
    padding: 7px 14px;
    font-size: 0.82rem;
  }

  .profile-card {
    padding: 18px 16px;
    border-radius: var(--beta-radius-md);
  }

  .profile-sidebar {
    flex-direction: column;
  }

  .msg-bubble { max-width: 88%; }
  .suggestion-btn { font-size: 0.75rem; padding: 4px 10px; }

  .chat-zone-inner { padding: 14px 12px 6px; }
}

/* Small mobile */
@media (max-width: 400px) {
  .beta-nav-back { display: none; }

  .profile-quick-links { flex-direction: column; }
  .quick-link-btn { justify-content: center; }
}

/* Hide drag/resize on touch devices */
@media (pointer: coarse) {
  .chat-zone-drag-handle,
  .chat-zone-resize-handle { display: none; }
}