/**
 * Bay Area Golf - Empty & Error States
 * Inspired by Slack & Notion's helpful empty states
 *
 * These states provide actionable guidance rather than dead-ends.
 * Users should always have a clear next step when encountering
 * empty or error conditions.
 */

/* ===========================================
   BASE EMPTY STATE
   =========================================== */

/* Base empty state container */
.empty-state {
  text-align: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, var(--bg-paper) 0%, #fefefe 100%);
  border-radius: 16px;
  border: 2px dashed var(--border-light);
  transition: all var(--anim-fast, 200ms) var(--ease-out, ease-out);
}

.empty-state:hover {
  border-color: var(--border);
  box-shadow: var(--shadow-sm);
}

/* Icon container with subtle animation */
.empty-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-paper) 100%);
  border-radius: 50%;
  position: relative;
}

.empty-state-icon svg {
  width: 40px;
  height: 40px;
  stroke: var(--text-muted);
  stroke-width: 1.5;
  fill: none;
}

.empty-state-icon::after {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px dashed var(--border-light);
  animation: emptyStatePulse 3s ease-in-out infinite;
}

@keyframes emptyStatePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.empty-state h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.empty-state p {
  font-size: 0.95rem;
  color: var(--text-muted);
  max-width: 360px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

/* ===========================================
   ACTION BUTTONS
   =========================================== */

.empty-state-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 20px;
}

.empty-state-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: 8px;
  text-decoration: none;
  transition: all var(--anim-fast, 200ms) var(--ease-out, ease-out);
  cursor: pointer;
}

.empty-state-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
}

.empty-state-btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  border: none;
  box-shadow: 0 2px 8px rgba(45, 90, 39, 0.25);
}

.empty-state-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(45, 90, 39, 0.35);
}

.empty-state-btn-secondary {
  background: var(--card-bg);
  color: var(--primary);
  border: 2px solid var(--primary);
}

.empty-state-btn-secondary:hover {
  background: #e8f5e9;
  transform: translateY(-2px);
}

.empty-state-btn-tertiary {
  background: transparent;
  color: var(--text-muted);
  border: 2px solid var(--border-light);
}

.empty-state-btn-tertiary:hover {
  background: var(--bg-paper);
  border-color: var(--border);
  color: var(--text);
}

/* ===========================================
   HELPFUL SUGGESTIONS
   =========================================== */

.empty-state-suggestions {
  text-align: left;
  max-width: 320px;
  margin: 16px auto 0;
  padding: 16px 20px;
  background: var(--card-bg);
  border-radius: 10px;
  border: 1px solid var(--border-light);
}

.empty-state-suggestions-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.empty-state-suggestions ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.empty-state-suggestions li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text);
  border-bottom: 1px solid var(--border-light);
}

.empty-state-suggestions li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.empty-state-suggestions li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  margin-top: 8px;
  flex-shrink: 0;
}

/* ===========================================
   ERROR STATE VARIANT
   =========================================== */

.error-state {
  text-align: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, #fef2f2 0%, #fff5f5 100%);
  border-radius: 16px;
  border: 2px solid #fecaca;
}

.error-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
  border-radius: 50%;
}

.error-state-icon svg {
  width: 40px;
  height: 40px;
  stroke: #dc2626;
  stroke-width: 1.5;
  fill: none;
}

.error-state h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: #991b1b;
  margin-bottom: 8px;
}

.error-state p {
  font-size: 0.95rem;
  color: #b91c1c;
  max-width: 360px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.error-state-code {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(220, 38, 38, 0.1);
  border-radius: 4px;
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  color: #991b1b;
  margin-bottom: 16px;
}

.error-state .empty-state-actions {
  margin-top: 20px;
}

/* ===========================================
   WARNING STATE VARIANT
   =========================================== */

.warning-state {
  text-align: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
  border-radius: 16px;
  border: 2px solid #fcd34d;
}

.warning-state-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  border-radius: 50%;
}

.warning-state-icon svg {
  width: 40px;
  height: 40px;
  stroke: #d97706;
  stroke-width: 1.5;
  fill: none;
}

.warning-state h4 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: #92400e;
  margin-bottom: 8px;
}

.warning-state p {
  font-size: 0.95rem;
  color: #b45309;
  max-width: 360px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

/* ===========================================
   COMPACT INLINE EMPTY STATES
   =========================================== */

.inline-empty {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-paper);
  border-radius: 10px;
  border: 1px dashed var(--border-light);
}

.inline-empty-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 50%;
  flex-shrink: 0;
}

.inline-empty-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--text-muted);
  stroke-width: 1.5;
  fill: none;
}

.inline-empty-content {
  flex: 1;
}

.inline-empty-content h5 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.inline-empty-content p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.inline-empty-action {
  flex-shrink: 0;
}

/* ===========================================
   SKELETON LOADING
   =========================================== */

.empty-state-skeleton {
  padding: 32px 24px;
}

.skeleton-line {
  height: 16px;
  background: linear-gradient(
    90deg,
    var(--border-light) 25%,
    var(--bg-paper) 50%,
    var(--border-light) 75%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite linear;
  border-radius: 4px;
  margin-bottom: 12px;
  will-change: background-position;
}

@keyframes skeletonShimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton-line.short { width: 60%; margin-left: auto; margin-right: auto; }
.skeleton-line.medium { width: 80%; margin-left: auto; margin-right: auto; }
.skeleton-line.tall { height: 24px; }
.skeleton-line.extra-short { width: 40%; margin-left: auto; margin-right: auto; }

/* ===========================================
   MOBILE RESPONSIVE
   =========================================== */

@media (max-width: 600px) {
  .empty-state {
    padding: 32px 20px;
  }

  .empty-state-icon {
    width: 64px;
    height: 64px;
  }

  .empty-state-icon svg {
    width: 32px;
    height: 32px;
  }

  .empty-state h4 {
    font-size: 1.1rem;
  }

  .empty-state p {
    font-size: 0.9rem;
  }

  .empty-state-actions {
    flex-direction: column;
  }

  .empty-state-btn {
    width: 100%;
    justify-content: center;
  }

  .inline-empty {
    flex-direction: column;
    text-align: center;
  }

  .inline-empty-action {
    width: 100%;
  }
}