/* ============================================================
   Theme: Light / Dark mode with CSS custom properties
   ============================================================ */

/* --- Light theme (default) --------------------------------- */
:root {
  --body-bg: #f8fafc;
  --body-color: #334155;
  --sidenav-bg: #1e293b;
  --nav-text: #f1f5f9;
  --nav-link-active: #e07a5a;
  --accent: #c0623a;
  --accent-rgb: 192, 98, 58;
  --social-icon-bg: #64748b;
  --social-icon-hover: #c0623a;
  --project-link: #0369a1;
  --hr-color: #e2e8f0;
  --subheading-color: #c0623a;
  --toggle-bg: #1e293b;
  --toggle-color: #f1f5f9;
}

/* --- Dark theme -------------------------------------------- */
[data-theme="dark"] {
  --body-bg: #0f172a;
  --body-color: #cbd5e1;
  --sidenav-bg: #020617;
  --nav-text: #e2e8f0;
  --nav-link-active: #e07a5a;
  --accent: #e07a5a;
  --accent-rgb: 224, 122, 90;
  --social-icon-bg: #334155;
  --social-icon-hover: #e07a5a;
  --project-link: #38bdf8;
  --hr-color: #1e293b;
  --subheading-color: #e07a5a;
  --toggle-bg: #f1f5f9;
  --toggle-color: #0f172a;
}

/* --- Smooth transitions ------------------------------------ */
body,
#sideNav,
.navbar,
section,
.resume-section,
.resume-section-content,
a,
.social-icon,
.subheading,
hr,
h1, h2, h3, h4, h5, h6,
p, li, span, div {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* --- Bootstrap variable overrides -------------------------- */
:root,
[data-theme="dark"] {
  --bs-primary: var(--accent);
  --bs-primary-rgb: var(--accent-rgb);
}

/* --- Body -------------------------------------------------- */
body {
  background-color: var(--body-bg) !important;
  color: var(--body-color) !important;
}

/* --- Side nav ---------------------------------------------- */
#sideNav {
  background-color: var(--sidenav-bg) !important;
}

#sideNav .navbar-nav .nav-link {
  color: var(--nav-text) !important;
}

#sideNav .navbar-nav .nav-link:hover,
#sideNav .navbar-nav .nav-link.active {
  color: var(--nav-link-active) !important;
}

/* --- Text accent / primary --------------------------------- */
.text-primary {
  color: var(--accent) !important;
}

/* --- Subheadings ------------------------------------------- */
.subheading {
  color: var(--subheading-color) !important;
}

/* --- HR dividers ------------------------------------------- */
hr {
  border-color: var(--hr-color) !important;
  opacity: 1;
}

/* --- Social icons ------------------------------------------ */
.social-icons .social-icon {
  background-color: var(--social-icon-bg) !important;
}

.social-icons .social-icon:hover {
  background-color: var(--social-icon-hover) !important;
}

/* --- Project / external links ------------------------------ */
.projectLinks {
  color: var(--project-link) !important;
  text-decoration: none;
}

.projectLinks:hover {
  text-decoration: underline;
  opacity: 0.85;
}

/* --- Theme toggle button ----------------------------------- */
.theme-toggle {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: none;
  background-color: var(--toggle-bg);
  color: var(--toggle-color);
  font-size: 1.2rem;
  cursor: pointer !important;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.2s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
}

/* --- Cursor pointer on interactive elements ---------------- */
a,
button,
.theme-toggle {
  cursor: pointer !important;
}

/* ============================================================
   Timeline — Experience section
   ============================================================ */

.timeline {
  position: relative;
  padding-left: 2.5rem;
}

/* The vertical connecting line */
.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}

/* Individual timeline row */
.timeline-item {
  position: relative;
  margin-bottom: 2.8rem;
}

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

/* Dot / icon on the line */
.timeline-dot {
  position: absolute;
  left: -2.5rem;
  top: 2px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  box-shadow: 0 0 0 4px var(--body-bg), 0 0 0 6px var(--accent);
  flex-shrink: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  z-index: 1;
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.12);
  box-shadow: 0 0 0 4px var(--body-bg), 0 0 0 7px var(--accent);
}

/* Content card */
.timeline-content {
  background-color: var(--body-bg);
  border: 1px solid var(--hr-color);
  border-radius: 10px;
  padding: 1.2rem 1.5rem;
  margin-left: 0.75rem;
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.timeline-item:hover .timeline-content {
  border-color: var(--accent);
}

.timeline-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--body-color);
}

.timeline-company {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

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

.timeline-list li {
  padding: 0.3rem 0;
  border-bottom: 1px dashed var(--hr-color);
}

.timeline-list li:last-child {
  border-bottom: none;
}

.timeline-note {
  display: block;
  font-size: 0.8rem;
  color: var(--social-icon-bg);
  margin-top: 0.1rem;
}

.timeline-badge {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  background-color: var(--accent);
  color: #fff;
  border-radius: 4px;
  padding: 1px 7px;
  vertical-align: middle;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}