/* ============================================
   Abstract Submission v2.0
   Premium Light Theme
   ============================================ */

.abstract-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.abstract-header {
  position: relative;
  padding: var(--sp-10) var(--sp-6) var(--sp-8);
  text-align: center;
  background: var(--white);
  border-bottom: 1px solid var(--border-light);
}

.abstract-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 100% at 50% 0%, rgba(79, 70, 229, 0.04) 0%, transparent 70%);
  z-index: 0;
  pointer-events: none;
}

.abstract-header > * {
  position: relative;
  z-index: 1;
}

.abstract-header h1 {
  font-size: var(--text-2xl);
  color: var(--gray-900);
  margin-bottom: var(--sp-2);
  font-weight: 800;
}

.abstract-header p {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.abstract-container {
  flex: 1;
  max-width: 660px;
  width: 100%;
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-4) var(--sp-20);
}

.abstract-form-card {
  animation: fadeInUp 0.4s var(--ease-out);
}

/* Authors Section */
.authors-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}

.author-entry {
  display: flex;
  gap: var(--sp-3);
  align-items: flex-end;
  animation: fadeInUp 0.3s var(--ease-out);
  background: var(--gray-50);
  padding: var(--sp-3);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
}

.author-entry .form-group {
  flex: 1;
  margin-bottom: 0;
}

.author-remove {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(239, 68, 68, 0.2);
  background: var(--danger-light);
  color: var(--danger-dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.author-remove:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.4);
}

.add-author-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  background: none;
  border: 1.5px dashed var(--gray-300);
  border-radius: var(--radius-lg);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  justify-content: center;
}

.add-author-btn:hover {
  border-color: var(--accent);
  background: var(--accent-light);
}

/* Guidelines */
.guidelines-card {
  margin-bottom: var(--sp-5);
}

.guidelines-card .accordion-content ul {
  padding-left: var(--sp-5);
}

.guidelines-card .accordion-content li {
  margin-bottom: var(--sp-2);
  color: var(--gray-600);
}

/* Submit area */
.abstract-submit-area {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--sp-4) var(--sp-6) var(--sp-5);
  background: linear-gradient(to top, var(--white) 70%, rgba(247, 248, 252, 0));
  display: flex;
  justify-content: center;
  z-index: var(--z-sticky);
  border-top: 1px solid var(--border-light);
  backdrop-filter: blur(12px);
}

.abstract-submit-area .btn {
  max-width: 400px;
  width: 100%;
}

/* Verification section */
.verify-section {
  margin-bottom: var(--sp-6);
  padding: var(--sp-5);
  background: var(--accent-light);
  border: 1px solid rgba(79, 70, 229, 0.12);
  border-radius: var(--radius-xl);
}

.verify-section .verify-status {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
}

.verify-status.verified {
  background: var(--success-light);
  border: 1px solid rgba(16, 185, 129, 0.15);
  color: var(--success-dark);
}

.verify-status.not-found {
  background: var(--danger-light);
  border: 1px solid rgba(239, 68, 68, 0.15);
  color: var(--danger-dark);
}

@media (max-width: 480px) {
  .author-entry {
    flex-direction: column;
    align-items: stretch;
  }

  .author-remove {
    width: 100%;
    height: 32px;
  }

  .abstract-container {
    padding: var(--sp-4) var(--sp-2) var(--sp-20);
  }
}