/*
 * AI Took My Job — Petition System Styles
 * Scoped with .petition-* prefix
 * Human Signal design system — dark editorial, amber accents
 */

/* ── Section wrapper ── */
.petition-section {
  padding: var(--sp-16) 0;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.petition-section .container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--sp-6);
}

/* ── Section header ── */
.petition-section-header {
  margin-bottom: var(--sp-10);
}

.petition-eyebrow {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.petition-eyebrow-line {
  width: 2rem;
  height: 2px;
  background: var(--amber);
}

.petition-eyebrow-text {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.petition-section-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-2);
}

.petition-section-subtitle {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ── Open Letter (featured) ── */
.petition-featured {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-left: 4px solid var(--amber);
  border-radius: var(--radius-xl);
  padding: var(--sp-8);
  margin-bottom: var(--sp-10);
  position: relative;
  overflow: hidden;
}

.petition-featured::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--amber-glow) 0%, transparent 70%);
  pointer-events: none;
}

.petition-featured-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--amber-glow);
  border: 1px solid rgba(212, 149, 107, 0.3);
  border-radius: var(--radius-full);
  padding: var(--sp-1) var(--sp-3);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-4);
}

.petition-featured-badge i {
  font-size: 0.875em;
}

.petition-featured-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--sp-4);
  line-height: 1.3;
}

.petition-featured-meta {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--sp-5);
  font-style: italic;
}

/* Letter expand toggle */
.petition-letter-toggle {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  background: none;
  border: none;
  color: var(--amber);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  cursor: pointer;
  padding: 0;
  margin-bottom: var(--sp-4);
  transition: opacity var(--dur-fast);
}

.petition-letter-toggle:hover {
  opacity: 0.8;
}

.petition-letter-toggle i {
  transition: transform var(--dur-normal) var(--ease-out);
}

.petition-letter-toggle.is-open i {
  transform: rotate(180deg);
}

.petition-letter-body {
  display: none;
  background: var(--bg-deep);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  margin-bottom: var(--sp-6);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--text-secondary);
  max-height: 300px;
  overflow-y: auto;
}

.petition-letter-body.is-open {
  display: block;
}

.petition-letter-body p + p {
  margin-top: var(--sp-4);
}

/* Signature counter */
.petition-sig-block {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin-bottom: var(--sp-6);
  flex-wrap: wrap;
}

.petition-sig-count {
  display: flex;
  flex-direction: column;
}

.petition-sig-number {
  font-family: var(--font-display);
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--amber);
  line-height: 1;
  transition: transform 0.3s var(--ease-spring);
}

.petition-sig-number.bump {
  transform: scale(1.15);
}

.petition-sig-label {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--sp-1);
}

.petition-sig-subtext {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  max-width: 300px;
  line-height: 1.5;
}

.petition-featured-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.petition-btn-sign {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--amber);
  color: var(--bg-deep);
  border: none;
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-6);
  font-size: var(--text-base);
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}

.petition-btn-sign:hover:not(:disabled) {
  background: var(--amber-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.petition-btn-sign:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.petition-btn-sign.is-signed {
  background: var(--signal-green);
  color: #fff;
}

.petition-btn-share {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: var(--sp-3) var(--sp-5);
  font-size: var(--text-sm);
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
}

.petition-btn-share:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Share panel (post-sign) */
.petition-share-panel {
  display: none;
  background: var(--signal-green-dim);
  border: 1px solid rgba(90, 168, 108, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  margin-top: var(--sp-5);
}

.petition-share-panel.is-visible {
  display: block;
  animation: slideDown 0.3s var(--ease-out);
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.petition-share-panel p {
  font-size: var(--text-sm);
  color: var(--signal-green);
  font-weight: 600;
  margin-bottom: var(--sp-3);
}

.petition-share-links {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.petition-share-link {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--text-xs);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--font-body);
  transition: opacity var(--dur-fast);
}

.petition-share-link:hover { opacity: 0.85; }

.petition-share-link--twitter {
  background: #1DA1F2;
  color: #fff;
}

.petition-share-link--linkedin {
  background: #0A66C2;
  color: #fff;
}

.petition-share-link--copy {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-default);
  cursor: pointer;
}

/* ── Petition list ── */
.petition-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-6);
}

.petition-list-title {
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.petition-count-badge {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: var(--sp-1) var(--sp-3);
}

.petition-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp-5);
}

/* ── Individual petition card ── */
.petition-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  transition: border-color var(--dur-normal), box-shadow var(--dur-normal);
  position: relative;
  overflow: hidden;
}

.petition-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
}

.petition-card-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.35;
}

.petition-card-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Progress bar */
.petition-progress-wrap {
  margin-top: var(--sp-2);
}

.petition-progress-labels {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--sp-2);
}

.petition-progress-sigs {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.petition-progress-goal {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.petition-progress-bar-track {
  height: 8px;
  background: var(--bg-hover);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.petition-progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--amber-dim), var(--amber));
  border-radius: var(--radius-full);
  transition: width 1s var(--ease-out);
  position: relative;
}

.petition-progress-bar-fill::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 16px;
  height: 100%;
  background: rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
}

/* Milestone markers */
.petition-progress-milestones {
  position: relative;
  height: 8px;
  margin-top: -8px;
  pointer-events: none;
}

.petition-milestone {
  position: absolute;
  top: 0;
  width: 2px;
  height: 8px;
  background: var(--bg-deep);
  transform: translateX(-50%);
}

.petition-milestone[data-pct="25"] { left: 25%; }
.petition-milestone[data-pct="50"] { left: 50%; }
.petition-milestone[data-pct="75"] { left: 75%; }

/* Card actions */
.petition-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  gap: var(--sp-3);
}

.petition-card-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: var(--amber-glow);
  color: var(--amber);
  border: 1px solid rgba(212, 149, 107, 0.3);
  border-radius: var(--radius-md);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  flex: 1;
  justify-content: center;
}

.petition-card-btn:hover:not(:disabled) {
  background: rgba(212, 149, 107, 0.25);
  border-color: var(--amber);
  transform: translateY(-1px);
}

.petition-card-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.petition-card-btn.is-signed {
  background: var(--signal-green-dim);
  color: var(--signal-green);
  border-color: rgba(90, 168, 108, 0.3);
}

.petition-card-share-btn {
  background: none;
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  border-radius: var(--radius-md);
  padding: var(--sp-2) var(--sp-3);
  cursor: pointer;
  font-size: var(--text-sm);
  display: inline-flex;
  align-items: center;
  transition: all var(--dur-fast);
}

.petition-card-share-btn:hover {
  color: var(--text-secondary);
  border-color: var(--border-default);
}

/* Celebration burst */
.petition-celebrate {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  border-radius: var(--radius-xl);
}

.petition-confetti {
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  animation: confettiFly 0.8s var(--ease-out) forwards;
  opacity: 0;
}

@keyframes confettiFly {
  0% { opacity: 1; transform: translate(0, 0) scale(1); }
  100% { opacity: 0; transform: translate(var(--tx), var(--ty)) scale(0.3); }
}

/* Loading state */
.petition-loading {
  text-align: center;
  padding: var(--sp-12);
  color: var(--text-muted);
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
}

.petition-loading i {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.petition-empty {
  text-align: center;
  padding: var(--sp-12);
  color: var(--text-muted);
  font-size: var(--text-sm);
  grid-column: 1 / -1;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .petition-featured {
    padding: var(--sp-5);
  }

  .petition-sig-block {
    gap: var(--sp-4);
  }

  .petition-sig-number {
    font-size: var(--text-3xl);
  }

  .petition-grid {
    grid-template-columns: 1fr;
  }

  .petition-section-title {
    font-size: var(--text-2xl);
  }

  .petition-featured-title {
    font-size: var(--text-xl);
  }

  .petition-featured-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .petition-btn-sign,
  .petition-btn-share {
    justify-content: center;
    text-align: center;
  }
}