/* ---------- Design tokens ---------- */
:root {
  --bg: #0c0c0e;
  --bg-alt: #131316;
  --surface: #1a1a1e;
  --surface-raised: #202024;
  --border: #2c2c31;
  --border-soft: #232327;

  --text: #f2ede3;
  --text-muted: #b9b3a7;
  --text-faint: #83807b;

  --accent: #c9a15a;
  --accent-dark: #a67f3d;
  --accent-light: #2a2115;
  --accent-contrast: #14110a;

  --danger: #e2665a;

  --radius: 10px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.35), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.45);

  --max-width: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 { color: var(--text); line-height: 1.25; margin: 0 0 12px; }
h1 { font-size: 2.4rem; font-weight: 800; }
h2 { font-size: 1.6rem; font-weight: 700; }
h3 { font-size: 1.15rem; font-weight: 600; }
p { margin: 0 0 12px; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-dark); text-decoration: underline; }

/* ---------- Header / Nav ---------- */
.site-header {
  background: rgba(12, 12, 14, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-soft);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}
.brand:hover { color: var(--accent); text-decoration: none; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-nav a {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
}
.site-nav a:hover { color: var(--accent); text-decoration: none; }

.site-nav .nav-login,
.site-nav .nav-admin {
  color: var(--accent);
  font-weight: 600;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--text);
  margin: 0 auto;
}

/* ---------- Hero ---------- */
.hero {
  background:
    radial-gradient(ellipse 900px 500px at 85% 20%, rgba(201, 161, 90, 0.10), transparent),
    linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
  padding: 88px 0 72px;
  border-bottom: 1px solid var(--border-soft);
  overflow: hidden;
}
.hero-inner { max-width: 760px; }
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin: 0 0 10px;
}
.hero h1 { margin-bottom: 16px; }
.lead { font-size: 1.15rem; color: var(--text-muted); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--accent-contrast); }
.btn-primary:hover { background: var(--accent-dark); color: var(--accent-contrast); }
.btn-secondary { background: transparent; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { padding: 8px 16px; font-size: 0.85rem; }

/* ---------- Quote band ---------- */
.quote-band {
  background: var(--surface);
  color: var(--text-muted);
  padding: 40px 0;
  border-bottom: 1px solid var(--border-soft);
}
.daily-quote { margin: 0; text-align: center; max-width: 760px; margin: 0 auto; }
.daily-quote p {
  font-size: 1.3rem;
  font-style: italic;
  font-weight: 500;
  margin-bottom: 10px;
  color: var(--text);
}
.daily-quote cite {
  font-style: normal;
  color: var(--accent);
  font-size: 0.95rem;
}

/* ---------- Sections ---------- */
.section { padding: 56px 0; }
.section-alt { background: var(--bg-alt); }
.page-header { padding: 56px 0 32px; border-bottom: 1px solid var(--border-soft); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.col-card h2 { margin-bottom: 16px; }
.section-link { display: inline-block; margin-top: 8px; font-weight: 600; font-size: 0.9rem; }

.prose { max-width: 760px; }
.prose { color: var(--text-muted); }
.prose h2 { margin-top: 32px; color: var(--text); }
.prose ul, .prose ol { padding-left: 22px; }
.prose img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.prose code {
  background: var(--surface-raised);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.88em;
}
.prose pre {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  overflow-x: auto;
}
.prose pre code {
  background: none;
  padding: 0;
}
.prose pre.mermaid {
  background: var(--surface);
  text-align: center;
}

.plain-list { list-style: none; padding: 0; margin: 0; }
.plain-list li { padding: 8px 0; border-bottom: 1px solid var(--border-soft); color: var(--text-muted); }
.plain-list li:last-child { border-bottom: none; }
.plain-list strong { color: var(--text); }

/* ---------- Cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
}
.card p { color: var(--text-muted); }
.card h3 { margin-bottom: 8px; }
.card-link { font-weight: 600; font-size: 0.9rem; }
.badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.tag-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 10px 0 14px;
}
.tag-list li {
  background: var(--surface-raised);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
}

.empty-state {
  color: var(--text-faint);
  font-style: italic;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  text-align: center;
}

/* ---------- Skills grid (About page) ---------- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 20px;
}
.skill-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.skill-card h3 { color: var(--accent); margin-bottom: 8px; font-size: 1rem; }
.skill-card p { color: var(--text-muted); margin: 0; font-size: 0.92rem; }

/* ---------- Career timeline (master-detail) ---------- */
.timeline-dates {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
  display: block;
}
.timeline-company { color: var(--text-muted); font-weight: 500; margin-bottom: 10px; }

.career-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 28px;
  align-items: start;
}

.career-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.career-list-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  font-family: inherit;
  width: 100%;
}
.career-list-item:hover { border-color: var(--accent); }
.career-list-item.is-active { background: var(--surface-raised); border-color: var(--accent); }
.career-list-item .timeline-company { margin-bottom: 0; font-size: 0.85rem; }
.career-list-title { color: var(--text); font-weight: 600; }

.career-detail-panel { position: relative; }
.career-detail {
  display: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow);
}
.career-detail.is-active { display: block; }
.career-detail p, .career-detail li { color: var(--text-muted); }
.career-detail ul { padding-left: 20px; margin: 8px 0 0; font-size: 0.92rem; }

/* ---------- Forms ---------- */
.auth-section { padding: 72px 0; }
.auth-container { max-width: 420px; }
.auth-form, .admin-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}
.admin-form { max-width: 720px; }

label { font-weight: 600; font-size: 0.88rem; color: var(--text-muted); margin-top: 12px; }
label:first-of-type { margin-top: 0; }
.hint { font-weight: 400; color: var(--text-faint); }

select {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface-raised);
}
select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.upload-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.upload-row input[type="file"] { color: var(--text-muted); font-size: 0.9rem; }
.upload-form { margin-bottom: 0; }

input[type="text"], input[type="email"], input[type="password"], input[type="url"], textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--surface-raised);
}
input:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
textarea { resize: vertical; }

.checkbox-label { display: flex; align-items: center; gap: 8px; font-weight: 500; margin-top: 16px; color: var(--text-muted); }
.checkbox-label input { margin: 0; }

.form-error { color: var(--danger); font-size: 0.88rem; margin: 4px 0 0; }

/* ---------- Admin dashboard ---------- */
.admin-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.admin-table { width: 100%; border-collapse: collapse; background: var(--surface); }
.admin-table th, .admin-table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border-soft);
  font-size: 0.92rem;
  color: var(--text-muted);
}
.admin-table th { color: var(--text-faint); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.03em; }
.admin-row-actions { display: flex; gap: 14px; }
.admin-row-actions form { margin: 0; }
.link-button {
  background: none;
  border: none;
  padding: 0;
  color: var(--danger);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
}
.link-button:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border-soft);
  background: var(--bg-alt);
  padding: 28px 0;
  margin-top: 40px;
}
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }
.site-footer p { margin: 0; color: var(--text-faint); font-size: 0.88rem; }
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: var(--text-muted); }

/* ---------- Chat widget ---------- */
.chat-widget {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 100;
}
.chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-contrast);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.chat-toggle:hover { background: var(--accent-dark); }

.chat-panel {
  position: absolute;
  right: 0;
  bottom: 70px;
  width: 340px;
  max-width: calc(100vw - 48px);
  max-height: 70vh;
  display: none;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.chat-panel.is-open { display: flex; }
.chat-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-soft);
}
.chat-panel-header h3 { margin: 0; font-size: 1rem; }
.chat-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}
.chat-close:hover { color: var(--text); }
.chat-intro {
  padding: 10px 16px 0;
  color: var(--text-faint);
  font-size: 0.82rem;
  margin: 0;
}
.chat-mode-toggle {
  display: flex;
  gap: 6px;
  padding: 10px 16px 0;
}
.chat-mode-btn {
  flex: 1;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.chat-mode-btn.is-active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}
.chat-steps {
  align-self: flex-start;
  font-size: 0.76rem;
  font-style: italic;
  color: var(--text-faint);
  max-width: 88%;
}
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
}
.chat-message {
  font-size: 0.9rem;
  line-height: 1.5;
  padding: 8px 12px;
  border-radius: 10px;
  max-width: 88%;
}
.chat-message-user {
  align-self: flex-end;
  background: var(--accent);
  color: var(--accent-contrast);
}
.chat-message-assistant {
  align-self: flex-start;
  background: var(--surface-raised);
  color: var(--text);
  border: 1px solid var(--border-soft);
}
.chat-sources {
  align-self: flex-start;
  font-size: 0.78rem;
  color: var(--text-faint);
  max-width: 88%;
}
.chat-sources a { margin-left: 2px; }
.chat-input-row {
  display: flex;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border-soft);
}
.chat-input-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text);
  background: var(--surface-raised);
}
.chat-input-row input:focus {
  outline: none;
  border-color: var(--accent);
}

@media (max-width: 480px) {
  .chat-widget { right: 16px; bottom: 16px; }
  .chat-panel { width: calc(100vw - 32px); }
}

/* ---------- Responsive ---------- */
@media (max-width: 800px) {
  .two-col { grid-template-columns: 1fr; }

  .career-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border-soft);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 24px 16px;
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 10px 0; width: 100%; }

  h1 { font-size: 1.9rem; }
  .hero { padding: 48px 0 40px; }
}