/**
 * Community Questions Styles (Phase 2)
 * Mobile-first responsive design
 */

/* =============================================================================
   Community Page Base
============================================================================= */

.community-page {
  padding: 16px;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .community-page {
    padding: 24px;
  }
}

/* =============================================================================
   Community Header
============================================================================= */

.community-header {
  margin-bottom: 24px;
}

.community-header-top {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .community-header-top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.community-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 4px 0;
}

.community-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
}

.community-header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.community-sort-select {
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  cursor: pointer;
}

/* =============================================================================
   Community Tabs
============================================================================= */

.community-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.community-tabs::-webkit-scrollbar {
  display: none;
}

.community-tab {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s ease;
  flex-shrink: 0; /* Prevent pills from shrinking - allow horizontal scroll on mobile */
}

.community-tab:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-border-hover);
}

.community-tab.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* =============================================================================
   Question Cards (Board Page)
============================================================================= */

.community-questions-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.community-question-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.community-question-card:hover {
  border-color: var(--color-border-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.community-question-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.community-question-author {
  display: flex;
  align-items: center;
  gap: 8px;
}

.community-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
}

.community-avatar.large {
  width: 48px;
  height: 48px;
  font-size: 16px;
}

.community-author-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.community-time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.community-question-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.community-question-preview {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0 0 12px 0;
  line-height: 1.5;
}

.community-question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.community-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.community-type-badge {
  background: var(--color-bg-hover);
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.community-question-stats {
  display: flex;
  gap: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

.community-stat {
  font-size: 13px;
  color: var(--color-text-secondary);
}

/* =============================================================================
   Loading & Empty States
============================================================================= */

.community-loading,
.community-empty,
.community-error {
  text-align: center;
  padding: 48px 24px;
}

.community-loading .loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 1s linear infinite;
}

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

.community-empty-icon,
.community-error-icon {
  font-size: 48px;
  margin-bottom: 16px;
}

.community-empty h3,
.community-error h3 {
  font-size: 18px;
  color: var(--color-text);
  margin: 0 0 8px 0;
}

.community-empty p,
.community-error p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0 0 16px 0;
}

/* =============================================================================
   Pagination
============================================================================= */

.community-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
}

.community-pagination.hidden {
  display: none;
}

.pagination-btn {
  padding: 8px 16px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--color-bg-hover);
}

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

.pagination-info {
  font-size: 14px;
  color: var(--color-text-muted);
}

/* =============================================================================
   Submit Form Page
============================================================================= */

.community-submit-header {
  margin-bottom: 24px;
}

.community-submit-header h1 {
  font-size: 24px;
  font-weight: 700;
  margin: 16px 0 8px 0;
}

.community-submit-header p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
}

.community-submit-form {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 8px;
}

.form-group .required {
  color: var(--color-error);
}

.form-group input[type="text"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-hint {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.form-hint.error {
  color: var(--color-error);
}

.form-row {
  display: grid;
  gap: 16px;
}

@media (min-width: 768px) {
  .form-row {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.form-checkbox {
  margin-bottom: 24px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.form-error {
  background: var(--color-error-bg);
  color: var(--color-error);
  padding: 12px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}

.form-error.hidden {
  display: none;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

/* =============================================================================
   My Submissions Page
============================================================================= */

.community-submissions-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.community-submission-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 16px;
}

.submission-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.submission-status {
  display: inline-flex;
}

.status-badge {
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
}

.status-pending {
  background: #FEF3C7;
  color: #92400E;
}

.status-approved {
  background: #D1FAE5;
  color: #065F46;
}

.status-rejected {
  background: #FEE2E2;
  color: #991B1B;
}

.submission-time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.submission-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px 0;
}

.submission-preview {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0 0 12px 0;
  line-height: 1.5;
}

.submission-rejection {
  background: #FEE2E2;
  color: #991B1B;
  padding: 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 12px;
}

.submission-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.meta-item {
  font-size: 12px;
  color: var(--color-text-muted);
}

.type-badge {
  background: var(--color-bg-hover);
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 500;
}

.submission-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--color-text-secondary);
}

.submission-actions {
  display: flex;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-danger:hover {
  background: var(--color-error);
  color: white;
}

/* =============================================================================
   Question Detail Page
============================================================================= */

.detail-back {
  margin-bottom: 24px;
}

.community-detail-article {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
}

.detail-header {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

@media (min-width: 768px) {
  .detail-header {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.detail-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.detail-author-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.author-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
}

.author-time {
  font-size: 13px;
  color: var(--color-text-muted);
}

.detail-meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-tag {
  padding: 4px 10px;
  border-radius: 16px;
  font-size: 12px;
  font-weight: 500;
  background: var(--color-bg-hover);
  color: var(--color-text-secondary);
}

.meta-tag.type {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.detail-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 16px 0;
  line-height: 1.3;
}

.detail-question-text {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.detail-submitter-answer {
  background: var(--color-bg-hover);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}

.detail-submitter-answer h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0 0 8px 0;
}

.answer-content {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.detail-footer {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border-light);
}

@media (min-width: 768px) {
  .detail-footer {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.detail-stats {
  display: flex;
  gap: 16px;
}

.stat-item {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.detail-actions {
  display: flex;
  gap: 12px;
}

.detail-answers-section {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 24px;
}

.detail-answers-section h2 {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 16px 0;
}

.answers-placeholder {
  text-align: center;
  padding: 24px;
  color: var(--color-text-muted);
}

.answers-placeholder p {
  margin: 0 0 16px 0;
}

/* =============================================================================
   Phase 3: Answers Section
============================================================================= */

.answers-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.answers-header h2 {
  margin: 0;
}

.answers-header h2 span {
  font-weight: 400;
  color: var(--color-text-muted);
}

.answers-sort {
  display: flex;
  gap: 4px;
}

.sort-btn {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sort-btn:first-child {
  border-radius: 6px 0 0 6px;
}

.sort-btn:last-child {
  border-radius: 0 6px 6px 0;
  border-left: none;
}

.sort-btn:hover {
  background: var(--color-bg-hover);
}

.sort-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* Answer Cards */
.answer-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 16px;
}

.answer-card.submitter-answer {
  border-left: 3px solid var(--color-primary);
}

.answer-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.answer-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.community-avatar.small {
  width: 28px;
  height: 28px;
  font-size: 10px;
}

.answer-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.author-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.answer-time {
  font-size: 12px;
  color: var(--color-text-muted);
}

.edited-label {
  font-size: 11px;
  color: var(--color-text-muted);
  font-style: italic;
}

.answer-actions-menu {
  position: relative;
}

.btn-icon {
  background: none;
  border: none;
  padding: 4px 8px;
  cursor: pointer;
  font-size: 18px;
  color: var(--color-text-muted);
  border-radius: 4px;
}

.btn-icon:hover {
  background: var(--color-bg-hover);
}

.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  min-width: 120px;
  z-index: 100;
  overflow: hidden;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-menu button {
  display: block;
  width: 100%;
  padding: 10px 16px;
  border: none;
  background: none;
  text-align: left;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text);
}

.dropdown-menu button:hover {
  background: var(--color-bg-hover);
}

.dropdown-menu button.danger {
  color: var(--color-error);
}

.answer-body {
  margin-bottom: 12px;
}

.answer-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.answer-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid var(--color-border-light);
}

.answer-votes {
  display: flex;
  align-items: center;
}

.vote-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-bg);
  color: var(--color-text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.vote-btn:hover {
  background: var(--color-bg-hover);
}

.vote-btn.voted {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Question vote button */
.btn-secondary.voted {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* No answers state */
.no-answers {
  text-align: center;
  padding: 32px 24px;
  color: var(--color-text-muted);
}

.no-answers p {
  margin: 0;
}

/* Answers loading */
.answers-loading {
  text-align: center;
  padding: 24px;
}

.loading-spinner.small {
  width: 24px;
  height: 24px;
  border-width: 2px;
  margin: 0 auto 8px;
}

/* =============================================================================
   Phase 3: AI Evaluation Display
============================================================================= */

.ai-evaluation {
  background: var(--color-bg-hover);
  border-radius: 8px;
  padding: 16px;
  margin: 12px 0;
}

.ai-eval-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.ai-eval-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.ai-eval-score {
  font-size: 14px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 12px;
}

.ai-eval-score.high {
  background: #D1FAE5;
  color: #065F46;
}

.ai-eval-score.medium {
  background: #FEF3C7;
  color: #92400E;
}

.ai-eval-score.low {
  background: #FEE2E2;
  color: #991B1B;
}

.ai-eval-section {
  margin-bottom: 12px;
}

.ai-eval-section:last-child {
  margin-bottom: 0;
}

.ai-eval-section h4 {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  margin: 0 0 6px 0;
}

.ai-eval-section ul {
  margin: 0;
  padding-left: 18px;
}

.ai-eval-section li {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 4px;
}

.ai-eval-section p {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0;
}

/* =============================================================================
   Phase 3: Answer Form
============================================================================= */

.answer-form-container {
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.answer-form-container h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 16px 0;
}

.auth-prompt {
  text-align: center;
  padding: 24px;
  background: var(--color-bg-hover);
  border-radius: 8px;
}

.auth-prompt p {
  margin: 0 0 12px 0;
  color: var(--color-text-muted);
}

.char-count {
  text-align: right;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* =============================================================================
   Phase 3: Toast Notifications
============================================================================= */

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.toast-success {
  background: #065F46;
  color: white;
}

.toast-error {
  background: #991B1B;
  color: white;
}

.toast-info {
  background: var(--color-text);
  color: var(--color-bg);
}

.toast.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* Mobile toast positioning */
@media (max-width: 480px) {
  .toast-container {
    left: 16px;
    right: 16px;
    bottom: 16px;
  }

  .toast {
    width: 100%;
    text-align: center;
  }
}

/* =============================================================================
   Utility Classes
============================================================================= */

.hidden {
  display: none !important;
}

/* =============================================================================
   Dark Mode Support
============================================================================= */

@media (prefers-color-scheme: dark) {
  .status-pending {
    background: #78350F;
    color: #FEF3C7;
  }

  .status-approved {
    background: #064E3B;
    color: #D1FAE5;
  }

  .status-rejected {
    background: #7F1D1D;
    color: #FEE2E2;
  }

  .submission-rejection {
    background: #7F1D1D;
    color: #FEE2E2;
  }
}