/* ==========================================
   CineAHO Naver Blog Analyzer & Evaluator
   Stylesheet Design System
   ========================================== */

/* 1. Theme and Variables Definitions */
:root {
  --font-family-primary: 'Outfit', 'Inter', 'Noto Sans KR', sans-serif;
  --accent-color: #10b981; /* Emerald/Naver Green */
  --accent-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --bg-glow-green: rgba(16, 185, 129, 0.12);
  --bg-glow-blue: rgba(6, 182, 212, 0.08);
}

/* Light Theme Variables */
:root, [data-theme="light"] {
  --bg-app: #f8fafc;
  --panel-bg: rgba(255, 255, 255, 0.65);
  --panel-border: rgba(15, 23, 42, 0.08);
  --text-main: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --card-shadow: 0 8px 32px 0 rgba(148, 163, 184, 0.12);
  --input-bg: rgba(15, 23, 42, 0.03);
  --input-border: rgba(15, 23, 42, 0.1);
  --btn-secondary: rgba(15, 23, 42, 0.05);
  --btn-secondary-hover: rgba(15, 23, 42, 0.08);
  --table-header-bg: rgba(15, 23, 42, 0.03);
  --table-row-hover: rgba(16, 185, 129, 0.04);
  --modal-overlay-bg: rgba(15, 23, 42, 0.4);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --bg-app: #090d16;
  --panel-bg: rgba(20, 26, 42, 0.65);
  --panel-border: rgba(255, 255, 255, 0.06);
  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
  --input-bg: rgba(255, 255, 255, 0.03);
  --input-border: rgba(255, 255, 255, 0.08);
  --btn-secondary: rgba(255, 255, 255, 0.05);
  --btn-secondary-hover: rgba(255, 255, 255, 0.08);
  --table-header-bg: rgba(255, 255, 255, 0.02);
  --table-row-hover: rgba(16, 185, 129, 0.08);
  --modal-overlay-bg: rgba(0, 0, 0, 0.7);
}

/* 2. Global Resets & Background Glows */
body {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-family-primary);
  margin: 0;
  padding: 0;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
  opacity: 0.75;
}
.bg-glow-green {
  top: 10%;
  left: -10%;
  background: var(--bg-glow-green);
}
.bg-glow-blue {
  bottom: 20%;
  right: -5%;
  background: var(--bg-glow-blue);
}

.blog-page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 110px 20px 40px 20px;
}

/* 3. Hero Header with Integrated Search */
.blog-hero-section {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 30px;
  align-items: center;
  padding: 30px;
  margin-bottom: 25px;
}

.hero-left-info h2.hero-blog-title {
  font-size: 2.1rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  margin: 10px 0;
  background: linear-gradient(135deg, var(--text-main) 30%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-left-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

.blog-search-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrapper i {
  position: absolute;
  left: 15px;
  font-size: 1.15rem;
}

.search-input-wrapper input {
  width: 100%;
  padding: 14px 15px 14px 45px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 12px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: all 0.25s ease;
  box-sizing: border-box;
}

.search-input-wrapper input:focus {
  border-color: var(--accent-color);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.15);
}

.btn-search-submit {
  background: var(--accent-gradient);
  color: white !important;
  border: none;
  padding: 14px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-search-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(16, 185, 129, 0.25);
}

.btn-search-submit:active {
  transform: translateY(0);
}

/* 4. Loader & Error states */
.analysis-loading, .analysis-error {
  padding: 50px;
  text-align: center;
  margin-bottom: 25px;
}

.loader-icon, .error-icon {
  font-size: 3rem;
  margin-bottom: 15px;
}

.analysis-loading h3, .analysis-error h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 10px 0;
}

.analysis-loading p, .analysis-error p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin: 0;
}

.btn-error-retry {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171 !important;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  margin-top: 20px;
  transition: all 0.2s;
}

.btn-error-retry:hover {
  background: rgba(239, 68, 68, 0.25);
}

/* 5. Result Header (Metadata Card) */
.blog-meta-card {
  display: flex;
  align-items: center;
  gap: 25px;
  padding: 25px 30px;
  margin-bottom: 20px;
  position: relative;
}

.meta-avatar {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--accent-color);
}

.meta-info {
  flex: 1;
}

.meta-info h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin: 0 0 5px 0;
}

.meta-info p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin: 0 0 10px 0;
}

.meta-badges {
  display: flex;
  gap: 8px;
}

.meta-badge {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
}

#badge-blog-mode {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.2);
  color: var(--accent-color);
}

.meta-tabs-wrapper {
  display: flex;
  gap: 10px;
  background: var(--input-bg);
  padding: 5px;
  border-radius: 12px;
  border: 1px solid var(--panel-border);
}

.blog-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.88rem;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.blog-tab-btn:hover {
  color: var(--text-main);
  background: var(--btn-secondary);
}

.blog-tab-btn.active {
  background: var(--panel-bg);
  color: var(--accent-color);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

/* 6. KPI Grid */
.blog-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-bottom: 20px;
}

.kpi-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
}

.kpi-icon {
  width: 50px;
  height: 50px;
  border-radius: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.icon-green { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.icon-blue { background: rgba(6, 182, 212, 0.1); color: #06b6d4; }
.icon-red { background: rgba(244, 63, 94, 0.1); color: #f43f5e; }
.icon-purple { background: rgba(168, 85, 247, 0.1); color: #a855f7; }

.kpi-data {
  display: flex;
  flex-direction: column;
}

.kpi-label {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.kpi-value {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 2px 0 0 0;
  font-family: 'Outfit', sans-serif;
}

/* 7. Tab Panels & Reports Dashboard */
.blog-tab-panel {
  display: none;
}

.blog-tab-panel.active {
  display: block;
}

.report-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.report-card {
  padding: 25px;
}

.chart-header {
  margin-bottom: 20px;
}

.chart-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0 0 4px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.chart-header span {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.chart-canvas-wrapper {
  position: relative;
  height: 250px;
  width: 100%;
}

/* Score displays */
.score-card {
  display: flex;
  flex-direction: column;
}

.score-display-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex: 1;
  padding: 10px 0;
}

.radial-progress-wrapper {
  position: relative;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-ring {
  position: absolute;
  transform: rotate(-90deg);
}

.progress-ring__circle {
  stroke-dasharray: 502; /* 2 * pi * r (80) = 502.4 */
  stroke-dashoffset: 502;
  transition: stroke-dashoffset 1s ease-in-out;
  stroke-linecap: round;
}

.score-center-value {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#overall-score-number {
  font-size: 3.2rem;
  font-weight: 800;
  font-family: 'Outfit', sans-serif;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.total-label {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-top: 2px;
}

.grade-banner {
  max-width: 200px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.grade-badge {
  font-size: 2.5rem;
  font-weight: 900;
  font-family: 'Outfit', sans-serif;
  color: var(--accent-color);
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 0 15px rgba(16, 185, 129, 0.25);
}

.grade-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.grade-desc {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

/* 8. Table tab styles */
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 25px;
  margin-bottom: 15px;
  gap: 20px;
}

.table-toolbar .search-box {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1;
  max-width: 400px;
}

.table-toolbar .search-box i {
  position: absolute;
  left: 15px;
  color: var(--text-secondary);
}

.table-toolbar .search-box input {
  width: 100%;
  padding: 10px 15px 10px 42px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-main);
  font-size: 0.85rem;
  outline: none;
  font-family: inherit;
}

.table-toolbar .search-box input:focus {
  border-color: var(--accent-color);
}

.filter-controls {
  display: flex;
  gap: 10px;
}

.blog-select {
  padding: 8px 15px;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  border-radius: 8px;
  color: var(--text-main);
  font-family: inherit;
  font-size: 0.82rem;
  outline: none;
  cursor: pointer;
}

.btn-reset-filters {
  background: var(--btn-secondary);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  padding: 8px 15px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.82rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
  transition: all 0.2s;
}

.btn-reset-filters:hover {
  color: var(--text-main);
  background: var(--btn-secondary-hover);
}

/* Post Table */
.posts-table-wrapper {
  padding: 5px;
}

.table-scroll-container {
  overflow-x: auto;
  border-radius: 12px;
}

.posts-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.posts-table th {
  background: var(--table-header-bg);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 14px 18px;
  font-size: 0.8rem;
  white-space: nowrap;
}

.posts-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.posts-table th.sortable:hover {
  color: var(--text-main);
  background: rgba(255,255,255,0.02);
}

.posts-table th i {
  margin-left: 4px;
  font-size: 0.72rem;
}

.posts-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--panel-border);
  color: var(--text-main);
}

.posts-table tr:last-child td {
  border-bottom: none;
}

.posts-table tr:hover td {
  background: var(--table-row-hover);
}

.post-title-cell {
  max-width: 280px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.btn-post-detail {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--accent-color);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s;
}

.btn-post-detail:hover {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

.table-footer {
  padding: 15px 20px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--panel-border);
}

/* 9. Solution tab styles */
.solution-layout-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.solution-card {
  padding: 25px;
}

.solution-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 12px;
}

.solution-header i {
  font-size: 1.25rem;
}

.solution-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 0;
  color: var(--text-main);
}

.solution-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.solution-list li {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.solution-list li::before {
  content: "•";
  color: var(--accent-color);
  font-weight: bold;
  margin-right: 4px;
}

/* Roadmap step cards */
.roadmap-steps {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 15px;
}

.step-card {
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 18px 22px;
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all 0.2s;
}

.step-card:hover {
  border-color: rgba(6, 182, 212, 0.25);
  box-shadow: 0 4px 15px rgba(6, 182, 212, 0.05);
}

.step-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: white;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-info {
  flex: 1;
}

.step-info h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 5px 0;
  color: var(--text-main);
}

.step-info p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin: 0;
}

/* 10. Modal styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--modal-overlay-bg);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  width: 100%;
  max-width: 650px;
  padding: 30px;
  border-radius: 20px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: var(--card-shadow);
}

.modal-overlay.open .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: transparent;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  transition: color 0.2s;
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-header {
  margin-bottom: 22px;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 15px;
}

.category-badge {
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-color);
  padding: 4px 10px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 8px;
}

.modal-header h3 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 6px 0;
  line-height: 1.4;
}

.modal-pubdate {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin: 0;
}

.modal-metric-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 22px;
}

.metric-block {
  background: var(--input-bg);
  border: 1px solid var(--panel-border);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.metric-block .m-label {
  font-size: 0.68rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.metric-block .m-val {
  font-size: 0.95rem;
  font-weight: 700;
  font-family: 'Outfit', sans-serif;
}

.modal-section {
  margin-bottom: 20px;
}

.modal-section h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 10px 0;
  border-left: 3px solid var(--accent-color);
  padding-left: 8px;
}

.post-preview-text {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--text-secondary);
  background: var(--input-bg);
  padding: 15px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  margin: 0;
}

.seo-audit-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.85rem;
  background: var(--input-bg);
  padding: 15px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
}

.audit-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.audit-label {
  color: var(--text-secondary);
  width: 120px;
  flex-shrink: 0;
}

.audit-val {
  font-weight: 600;
}

.keyword-tags-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.modal-kw-tag {
  font-size: 0.72rem;
  font-weight: 600;
  background: var(--btn-secondary);
  border: 1px solid var(--panel-border);
  color: var(--text-secondary);
  padding: 3px 8px;
  border-radius: 6px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 25px;
  border-top: 1px solid var(--panel-border);
  padding-top: 18px;
}

.btn-outer-link {
  background: var(--accent-color);
  color: white !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.btn-outer-link:hover {
  opacity: 0.9;
}

/* 11. Responsive media queries */
@media (max-width: 992px) {
  .blog-hero-section {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .blog-hero-section .hero-left-info {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .blog-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .report-grid {
    grid-template-columns: 1fr;
  }
  .report-card.score-card {
    grid-column: span 1;
  }
  .report-card[style*="grid-column: span 2"] {
    grid-column: span 1 !important;
  }
  .solution-layout-grid {
    grid-template-columns: 1fr;
  }
  .solution-card[style*="grid-column: span 2"] {
    grid-column: span 1 !important;
  }
}

@media (max-width: 600px) {
  .blog-hero-section {
    padding: 20px;
  }
  .blog-meta-card {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }
  .meta-badges {
    justify-content: center;
  }
  .meta-tabs-wrapper {
    width: 100%;
    flex-direction: column;
  }
  .blog-kpi-grid {
    grid-template-columns: 1fr;
  }
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .modal-metric-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Helper Classes */
.hidden {
  display: none !important;
}

.text-green { color: #10b981 !important; }
.text-blue { color: #06b6d4 !important; }
.text-red { color: #ef4444 !important; }
.text-purple { color: #a855f7 !important; }
.text-orange { color: #f97316 !important; }
.text-muted { color: var(--text-muted) !important; }