@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;0,800;1,600;1,700&display=swap');

/* Modern Retro Vinyl Aesthetic for Mind Over Music */
:root {
  --vinyl-black: #181512;
  --vinyl-charcoal: #2c2520;
  --retro-amber: #c25e1a;
  --retro-gold: #d97706;
  --warm-border: #e7dfd5;
  --text-muted: #786c62;
  --surface-card: #ffffff;
  --card-shadow: 0 4px 16px rgba(35, 25, 15, 0.06);
}

html {
  min-height: 100%;
  background: linear-gradient(135deg,
    #faf6f0 0%,       /* warm vinyl parchment */
    #fdf6ec 25%,      /* soft warm amber glow */
    #f8f2e8 50%,      /* acoustic cream */
    #f6eee3 75%,      /* retro warm groove */
    #faf6f0 100%
  );
  background-attachment: fixed;
  background-size: cover;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--vinyl-charcoal);
  background: transparent;
  line-height: 1.65;
  position: relative;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background-image: url("images/album_collage.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.08;
  pointer-events: none;
}

/* Links */
a {
  color: var(--retro-amber);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.15s ease;
}

a:hover {
  color: #9a4410;
  text-decoration: underline;
}

/* Header & Title Styling */
h1.title {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 800;
  color: var(--vinyl-black);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 400;
  font-style: italic;
  margin-bottom: 2rem;
}

h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  color: var(--vinyl-black);
  letter-spacing: -0.01em;
  font-size: 1.55rem;
  margin-top: 2.75rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--warm-border);
}

h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  color: var(--vinyl-black);
}

/* Executive KPI Metric Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin: 1.75rem 0 2.5rem 0;
}

.kpi-card {
  background: var(--surface-card);
  border: 1px solid var(--warm-border);
  border-radius: 10px;
  padding: 1.35rem 1.25rem;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--retro-amber);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(35, 25, 15, 0.10);
}

.kpi-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.kpi-value {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--vinyl-black);
  line-height: 1.2;
}

.kpi-subtext {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* Navigation & Footer */
.navbar {
  box-shadow: 0 4px 14px rgba(24, 21, 18, 0.12);
  border-bottom: 2px solid var(--retro-amber);
}

.navbar-brand {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.01em;
  font-size: 1.25rem;
}

footer.footer {
  border-top: 1px solid var(--warm-border);
  color: var(--text-muted);
  font-size: 0.85rem;
  padding: 1.5rem 0;
  background: transparent;
}

/* Chart & Content Cards */
.chart-container {
  background: var(--surface-card);
  border: 1px solid var(--warm-border);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
  margin-top: 1rem;
  margin-bottom: 2.25rem;
}

.html-widget {
  background: transparent;
  border: none;
  box-shadow: none;
  margin-top: 0.75rem;
  margin-bottom: 2rem;
  overflow: hidden !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.js-plotly-plot, 
.plot-container,
.svg-container,
.cell-output-display,
.tab-pane,
.tab-content {
  overflow: hidden !important;
  max-width: 100% !important;
}

.js-plotly-plot,
.js-plotly-plot .plotly,
.js-plotly-plot .plotly .draglayer,
.js-plotly-plot .plotly .svg-container,
.js-plotly-plot .plotly .main-svg {
  touch-action: pan-y !important;
  overscroll-behavior: auto !important;
}

/* Callouts and Tables */
.callout {
  border-radius: 8px;
  border-left-width: 4px;
  border-color: var(--retro-amber);
  box-shadow: var(--card-shadow);
  background-color: var(--surface-card);
}

.gt_table {
  font-size: 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--warm-border);
  box-shadow: var(--card-shadow);
}

/* Author & Organization Profile Card */
.profile-card {
  background: var(--surface-card);
  border: 1px solid var(--warm-border);
  border-left: 5px solid var(--retro-amber);
  border-radius: 10px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--card-shadow);
}

.profile-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-top: 0.75rem;
}

.profile-item-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.profile-item-value {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--vinyl-black);
  margin-top: 0.2rem;
}

/* Tabset Toggle Buttons */
.panel-tabset .nav-tabs {
  border-bottom: 2px solid var(--warm-border);
  margin-bottom: 1.5rem;
  gap: 0.5rem;
}

.panel-tabset .nav-link {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-bottom: 3px solid transparent;
  padding: 0.65rem 1.25rem;
  border-top-left-radius: 6px;
  border-top-right-radius: 6px;
  transition: all 0.15s ease-in-out;
}

.panel-tabset .nav-link:hover {
  color: var(--vinyl-black);
  border-bottom-color: var(--retro-gold);
}

.panel-tabset .nav-link.active {
  color: var(--retro-amber);
  background-color: var(--surface-card);
  border: 1px solid var(--warm-border);
  border-bottom: 3px solid var(--retro-amber);
  box-shadow: 0 -1px 2px rgba(35, 25, 15, 0.04);
}