/*
 * custom.css
 *
 * Project-specific styles for the ECGFix paper page.
 * Bulma handles base layout and component primitives; this file keeps
 * only the overrides and custom components used by this page.
 */

:root {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-text: #1e293b;
  --color-muted: #64748b;
  --color-muted-soft: #94a3b8;
  --color-border: #e2e8f0;
  --color-border-strong: #cbd5e1;
  --color-bg-soft: #f8fafc;
  --color-bg-card: #ffffff;
  --color-accent: #0ea5e9;
  --color-accent-hover: #0284c7;
  --color-dark: #0f172a;
  --radius-md: 12px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 20px rgba(15, 23, 42, 0.08);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.section {
  padding: 2.5rem 1.5rem;
}

/* Buttons used for arXiv/code links */
.button {
  border-radius: var(--radius-md) !important;
  font-weight: 600 !important;
}

.button.is-dark {
  background: var(--color-dark) !important;
  box-shadow: var(--shadow-sm);
}

.button.is-dark:hover {
  background: #1f2937 !important;
}

.button:focus-visible,
.copy-bibtex-btn:focus-visible,
.icon-btn:focus-visible,
.name-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.link-block a {
  margin: 8px 4px;
}

.publication-links .link-block {
  display: inline-block;
  vertical-align: middle;
}

.publication-links .button {
  vertical-align: middle;
}

.publication-links .button .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.publication-links .button .icon .ai {
  font-size: 1em;
  line-height: 1;
}

.publication-links .button .icon .icon-svg {
  width: 1em;
  height: 1em;
  display: block;
}

/* Heading and content typography */
.publication-title {
  font-weight: 800 !important;
  color: var(--color-text) !important;
  line-height: 1.1 !important;
  margin-bottom: 2rem !important;
}

.title.is-3 {
  font-weight: 700 !important;
  color: var(--color-text);
  margin-bottom: 1.5rem !important;
  position: relative;
  padding-bottom: 0.9rem;
}

.title.is-3::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.content.has-text-justified {
  color: var(--color-muted);
  line-height: 1.8;
}

/* Top author strip */
.top-authors {
  margin-top: 0.75rem;
}

.top-authors-grid {
  display: flex;
  justify-content: space-evenly;
  align-items: flex-start;
  gap: 1.25rem;
  flex-wrap: wrap;
  max-width: 980px;
  margin: 0 auto;
}

.top-author {
  min-width: 190px;
  text-align: center;
}

.top-author-name {
  font-size: 1.1rem;
  font-weight: 600;
}

.top-author-affil {
  margin-top: 0.15rem;
  font-size: 0.95rem;
  color: var(--color-muted);
}

.equal-note {
  margin-top: 0.75rem;
  color: var(--color-muted-soft);
  text-align: center;
}

.name-link {
  position: relative;
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
}

.name-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 2px;
  width: 0;
  background: currentColor;
  transition: width 220ms ease;
  border-radius: 2px;
  pointer-events: none;
}

.name-link:hover {
  color: var(--color-accent-hover);
}

.name-link:hover::after {
  width: 100%;
}

.name-link,
.icon-btn {
  -webkit-tap-highlight-color: transparent;
}

/* Teaser and section spacing */
.top-hero .hero-body {
  padding-bottom: 1.25rem !important;
}

.tldr-section {
  padding-top: 1.25rem !important;
}

.tldr-line {
  font-size: 1.15rem;
  line-height: 1.4;
}

.figure-slot {
  margin-top: 1rem;
}

.conference-block {
  display: block;
  margin-top: 1.25rem;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.25;
}

/* BibTeX card and copy button */
pre {
  background: var(--color-bg-soft) !important;
  border: 1px solid var(--color-border) !important;
  border-radius: var(--radius-md) !important;
  padding: 1.25rem !important;
  overflow-x: auto;
}

code {
  background: transparent !important;
  color: var(--color-text) !important;
  font-family: "SF Mono", "Monaco", "Cascadia Code", "Roboto Mono", monospace !important;
}

.bibtex-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.copy-bibtex-btn {
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  padding: 0.65rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  transition: background 120ms ease, transform 120ms ease;
}

.copy-bibtex-btn:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
}

.copy-bibtex-btn.is-copied {
  background: #059669;
}

/* Author cards */
#authors .title::before,
#authors .title::after {
  display: none !important;
}

#authors .title {
  border: 0 !important;
  padding-left: 0 !important;
  box-shadow: none !important;
}

.author-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  margin-top: 1rem;
}

.author-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--color-bg-card);
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  flex: 0 0 auto;
  background: #f1f5f9;
  display: grid;
  place-items: center;
}

.author-avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.author-avatar-fallback {
  display: none;
  width: 100%;
  height: 100%;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  color: var(--color-dark);
}

.author-avatar.avatar-missing .author-avatar-img {
  display: none;
}

.author-avatar.avatar-missing .author-avatar-fallback {
  display: flex;
}

.author-info {
  flex: 1 1 auto;
  min-width: 0;
}

.author-name-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.author-card-name {
  font-size: 1.05rem;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.author-icons {
  display: inline-flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #475569;
  border: 1px solid transparent;
  text-decoration: none;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.icon-btn:hover {
  background: var(--color-border);
  border-color: var(--color-border-strong);
  color: var(--color-dark);
}

.icon-btn .icon-svg {
  font-size: 18px;
  width: 18px;
  height: 18px;
  display: inline-block;
  line-height: 1;
}

.copy-bibtex-btn .icon-svg {
  width: 16px;
  height: 16px;
  display: inline-block;
}

.icon-svg {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
}

/* Toast used for unreleased-code message */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%) translateY(8px);
  background: rgba(15, 23, 42, 0.95);
  color: #ffffff;
  padding: 0.7rem 0.95rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
  z-index: 9999;
  max-width: min(520px, calc(100vw - 32px));
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 768px) {
  .section {
    padding: 2rem 1rem;
  }

  .publication-title {
    font-size: 2.2rem !important;
    line-height: 1.2 !important;
  }

  .author-cards {
    grid-template-columns: 1fr;
  }

  .button {
    margin: 0.25rem !important;
  }
}

@media (min-width: 769px) {
  .author-cards {
    grid-template-columns: 1fr 1fr;
  }
}