/* RentSplitter.org - rs- prefix */

:root {
  --rs-primary: #4f46e5;
  --rs-secondary: #f59e0b;
  --rs-accent: #10b981;
  --rs-bg: #f8fafc;
  --rs-text: #1e293b;
  --rs-muted: #64748b;
  --rs-card-bg: #ffffff;
  --rs-border: #e2e8f0;
  --rs-font: 'Inter', system-ui, -apple-system, sans-serif;
  --rs-radius: 12px;
  --rs-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.05);
  --rs-shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

.rs-body {
  font-family: var(--rs-font);
  background: var(--rs-bg);
  color: var(--rs-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.rs-header {
  background: var(--rs-card-bg);
  border-bottom: 1px solid var(--rs-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.rs-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.rs-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--rs-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.rs-nav {
  display: flex;
  gap: 8px;
}

.rs-nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  color: var(--rs-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.rs-nav-link:hover, .rs-nav-link.active {
  color: var(--rs-primary);
  background: rgba(79,70,229,0.08);
}

.rs-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--rs-text);
}

/* Main */
.rs-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 24px;
  min-height: calc(100vh - 200px);
}

/* Hero */
.rs-hero {
  text-align: center;
  padding: 60px 0 40px;
}

.rs-hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.15;
  color: var(--rs-text);
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.rs-hero-desc {
  font-size: 18px;
  color: var(--rs-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.rs-hero-btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--rs-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--rs-radius);
  font-weight: 600;
  font-size: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.rs-hero-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--rs-shadow-lg);
}

/* Section Title */
.rs-section-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--rs-text);
}

/* Tools Grid (Homepage) */
.rs-tools-section {
  margin: 48px 0;
}

.rs-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.rs-tool-card {
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: block;
}

.rs-tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--rs-shadow-lg);
  border-color: var(--card-color, var(--rs-primary));
}

.rs-tool-icon {
  font-size: 36px;
  margin-bottom: 16px;
}

.rs-tool-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--rs-text);
}

.rs-tool-card-desc {
  font-size: 14px;
  color: var(--rs-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.rs-tool-card-btn {
  font-size: 14px;
  font-weight: 600;
  color: var(--card-color, var(--rs-primary));
}

/* Articles Section (Homepage) */
.rs-articles-section {
  margin: 48px 0;
}

.rs-home-articles {
  display: grid;
  gap: 16px;
}

.rs-home-article-link {
  display: block;
  padding: 20px 24px;
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.rs-home-article-link:hover {
  border-color: var(--rs-primary);
  box-shadow: var(--rs-shadow);
}

.rs-home-article-cat {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(79,70,229,0.1);
  color: var(--rs-primary);
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rs-home-article-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--rs-text);
}

.rs-home-article-excerpt {
  font-size: 14px;
  color: var(--rs-muted);
  line-height: 1.5;
}

.rs-view-all {
  display: inline-block;
  margin-top: 20px;
  color: var(--rs-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
}

/* Blog Page */
.rs-blog-hero {
  text-align: center;
  padding: 40px 0 32px;
}

.rs-blog-hero-title {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 12px;
}

.rs-blog-hero-desc {
  font-size: 16px;
  color: var(--rs-muted);
  max-width: 500px;
  margin: 0 auto;
}

.rs-blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.rs-blog-card {
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  overflow: hidden;
  transition: all 0.2s;
}

.rs-blog-card:hover {
  box-shadow: var(--rs-shadow-lg);
  transform: translateY(-2px);
}

.rs-blog-card-link {
  display: block;
  padding: 24px;
  text-decoration: none;
  color: inherit;
}

.rs-blog-category {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(79,70,229,0.1);
  color: var(--rs-primary);
  font-size: 11px;
  font-weight: 700;
  border-radius: 6px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rs-blog-card-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.3;
  color: var(--rs-text);
}

.rs-blog-card-excerpt {
  font-size: 14px;
  color: var(--rs-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.rs-blog-card-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--rs-muted);
}

/* Article Page */
.rs-article {
  max-width: 720px;
  margin: 0 auto;
}

.rs-article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--rs-border);
}

.rs-article-category {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(79,70,229,0.1);
  color: var(--rs-primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 8px;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.rs-article-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.rs-article-meta {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--rs-muted);
}

.rs-article-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--rs-text);
}

.rs-article-body p {
  margin-bottom: 20px;
}

.rs-article-h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--rs-text);
}

.rs-article-list {
  margin: 20px 0;
  padding-left: 24px;
}

.rs-article-li {
  margin-bottom: 10px;
  line-height: 1.6;
}

.rs-article-hr {
  border: none;
  border-top: 1px solid var(--rs-border);
  margin: 32px 0;
}

.rs-article-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--rs-border);
}

.rs-share-box {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 32px;
}

.rs-share-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--rs-muted);
}

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

.rs-share-btn:hover {
  background: var(--rs-primary);
  color: white;
  border-color: var(--rs-primary);
}

.rs-author-box {
  padding: 24px;
  background: var(--rs-bg);
  border-radius: var(--rs-radius);
  margin-bottom: 40px;
}

.rs-author-name {
  font-size: 16px;
  color: var(--rs-text);
}

.rs-author-bio {
  font-size: 14px;
  color: var(--rs-muted);
  margin-top: 6px;
  line-height: 1.5;
}

.rs-related-section {
  margin-top: 48px;
}

.rs-related-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.rs-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.rs-related-card {
  padding: 20px;
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  transition: all 0.2s;
}

.rs-related-card:hover {
  border-color: var(--rs-primary);
  box-shadow: var(--rs-shadow);
}

.rs-related-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--rs-text);
  text-decoration: none;
  display: block;
  margin-bottom: 8px;
  line-height: 1.4;
}

.rs-related-link:hover {
  color: var(--rs-primary);
}

.rs-related-excerpt {
  font-size: 13px;
  color: var(--rs-muted);
  line-height: 1.5;
}

/* Tool Recommendation Card in Article */
.rs-tool-rec {
  margin: 32px 0;
  padding: 24px;
  background: linear-gradient(135deg, rgba(79,70,229,0.08), rgba(16,185,129,0.08));
  border: 1px solid rgba(79,70,229,0.2);
  border-radius: var(--rs-radius);
  text-align: center;
}

.rs-tool-rec-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--rs-text);
}

.rs-tool-rec-text {
  font-size: 14px;
  color: var(--rs-muted);
  margin-bottom: 16px;
}

.rs-tool-rec-btn {
  display: inline-block;
  padding: 10px 24px;
  background: var(--rs-primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s;
}

.rs-tool-rec-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--rs-shadow);
}

/* Tool Page */
.rs-tool-page {
  max-width: 800px;
  margin: 0 auto;
}

.rs-tool-page-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
}

.rs-tool-page-desc {
  font-size: 16px;
  color: var(--rs-muted);
  margin-bottom: 32px;
}

/* Calculator */
.rs-calc-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.rs-calc-inputs {
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  padding: 28px;
}

.rs-calc-row {
  margin-bottom: 20px;
}

.rs-calc-label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--rs-text);
}

.rs-calc-input, .rs-calc-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--rs-border);
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
  background: var(--rs-bg);
  color: var(--rs-text);
  transition: border-color 0.2s;
}

.rs-calc-input:focus, .rs-calc-select:focus {
  outline: none;
  border-color: var(--rs-primary);
}

.rs-calc-mode {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.rs-mode-btn {
  padding: 10px 20px;
  background: var(--rs-bg);
  border: 1px solid var(--rs-border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  color: var(--rs-muted);
  transition: all 0.2s;
  font-family: inherit;
}

.rs-mode-btn.active, .rs-mode-btn:hover {
  background: var(--rs-primary);
  color: white;
  border-color: var(--rs-primary);
}

.rs-room-card {
  background: var(--rs-bg);
  border: 1px solid var(--rs-border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

.rs-room-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--rs-text);
}

.rs-room-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}

.rs-add-room-btn {
  width: 100%;
  padding: 12px;
  background: var(--rs-bg);
  border: 2px dashed var(--rs-border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--rs-muted);
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
  margin-bottom: 16px;
}

.rs-add-room-btn:hover {
  border-color: var(--rs-primary);
  color: var(--rs-primary);
}

.rs-remove-room {
  margin-top: 12px;
  padding: 6px 12px;
  background: transparent;
  border: 1px solid #ef4444;
  color: #ef4444;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  font-family: inherit;
}

.rs-calc-btn {
  width: 100%;
  padding: 14px;
  background: var(--rs-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.rs-calc-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--rs-shadow-lg);
}

.rs-calc-results {
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
  padding: 28px;
}

.rs-results-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
}

.rs-results-table {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.rs-result-row {
  display: grid;
  grid-template-columns: 1fr 1.5fr 1fr;
  gap: 12px;
  align-items: center;
  padding: 16px;
  background: var(--rs-bg);
  border-radius: 8px;
}

.rs-result-name {
  font-weight: 700;
  font-size: 15px;
}

.rs-result-details {
  font-size: 13px;
  color: var(--rs-muted);
}

.rs-result-amount {
  text-align: right;
}

.rs-result-total {
  font-size: 18px;
  font-weight: 700;
  color: var(--rs-primary);
}

.rs-result-per {
  font-size: 12px;
  color: var(--rs-muted);
  margin-top: 2px;
}

.rs-result-total-row {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--rs-border);
  font-size: 18px;
  font-weight: 700;
  text-align: right;
  color: var(--rs-text);
}

.rs-results-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.rs-results-btn {
  padding: 10px 20px;
  background: var(--rs-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.rs-results-btn.secondary {
  background: var(--rs-bg);
  color: var(--rs-text);
  border: 1px solid var(--rs-border);
}

.rs-results-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--rs-shadow);
}

/* Tool Info */
.rs-tool-info {
  margin-top: 48px;
}

.rs-tool-info-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 24px;
}

.rs-tool-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.rs-tool-info-card {
  padding: 24px;
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
}

.rs-tool-info-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--rs-text);
}

.rs-tool-info-card p {
  font-size: 14px;
  color: var(--rs-muted);
  line-height: 1.6;
}

/* Placeholder */
.rs-placeholder-box {
  text-align: center;
  padding: 80px 40px;
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
}

.rs-placeholder-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.rs-placeholder-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
}

.rs-placeholder-text {
  font-size: 16px;
  color: var(--rs-muted);
  max-width: 400px;
  margin: 0 auto;
}

.rs-placeholder-link {
  color: var(--rs-primary);
  font-weight: 600;
  text-decoration: none;
}

/* About Page */
.rs-about-page {
  max-width: 680px;
  margin: 0 auto;
}

.rs-about-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 32px;
}

.rs-about-content p {
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 20px;
  color: var(--rs-text);
}

.rs-about-lead {
  font-size: 19px !important;
  color: var(--rs-muted) !important;
}

.rs-about-link {
  color: var(--rs-primary);
  font-weight: 600;
  text-decoration: none;
}

.rs-about-contact {
  margin-top: 40px;
  padding: 24px;
  background: var(--rs-bg);
  border-radius: var(--rs-radius);
}

.rs-about-contact h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

/* Contact Page */
.rs-contact-page {
  max-width: 600px;
  margin: 0 auto;
}

.rs-contact-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 16px;
}

.rs-contact-desc {
  font-size: 16px;
  color: var(--rs-muted);
  margin-bottom: 32px;
  line-height: 1.6;
}

.rs-contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}

.rs-contact-card {
  padding: 24px;
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
}

.rs-contact-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}

.rs-contact-link {
  color: var(--rs-primary);
  font-weight: 600;
  text-decoration: none;
}

.rs-contact-note {
  font-size: 13px;
  color: var(--rs-muted);
  margin-top: 6px;
}

.rs-contact-faq-link {
  padding: 20px;
  background: var(--rs-bg);
  border-radius: var(--rs-radius);
  font-size: 15px;
}

/* FAQ Page */
.rs-faq-page {
  max-width: 720px;
  margin: 0 auto;
}

.rs-faq-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 32px;
}

.rs-faq-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rs-faq-item {
  padding: 24px;
  background: var(--rs-card-bg);
  border: 1px solid var(--rs-border);
  border-radius: var(--rs-radius);
}

.rs-faq-q {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--rs-text);
}

.rs-faq-a {
  font-size: 15px;
  line-height: 1.7;
  color: var(--rs-muted);
}

.rs-faq-link {
  color: var(--rs-primary);
  font-weight: 600;
  text-decoration: none;
}

/* Legal Pages */
.rs-legal-page {
  max-width: 680px;
  margin: 0 auto;
}

.rs-legal-title {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 8px;
}

.rs-legal-date {
  font-size: 14px;
  color: var(--rs-muted);
  margin-bottom: 32px;
}

.rs-legal-content h2 {
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 16px;
  color: var(--rs-text);
}

.rs-legal-content p {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 16px;
  color: var(--rs-text);
}

.rs-legal-link {
  color: var(--rs-primary);
  font-weight: 600;
  text-decoration: none;
}

/* 404 */
.rs-notfound {
  text-align: center;
  padding: 80px 24px;
}

.rs-notfound-code {
  font-size: 120px;
  font-weight: 800;
  color: var(--rs-border);
  line-height: 1;
  margin-bottom: 16px;
}

.rs-notfound-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.rs-notfound-desc {
  font-size: 16px;
  color: var(--rs-muted);
  margin-bottom: 32px;
}

.rs-notfound-btn {
  display: inline-block;
  padding: 12px 28px;
  background: var(--rs-primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  margin: 0 8px 8px;
  transition: all 0.2s;
}

.rs-notfound-btn.secondary {
  background: var(--rs-bg);
  color: var(--rs-text);
  border: 1px solid var(--rs-border);
}

.rs-notfound-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--rs-shadow);
}

/* Ad Slots */
.rs-ad-slot {
  min-height: 120px;
  max-height: 150px;
  margin: 32px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.02);
  border: 1px dashed var(--rs-border);
  border-radius: var(--rs-radius);
  position: relative;
}

.rs-ad-slot.has-content {
  border-style: solid;
  background: transparent;
}

.rs-ad-label {
  font-size: 11px;
  color: var(--rs-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0.5;
}

.rs-ad-slot.has-content .rs-ad-label {
  position: absolute;
  top: 4px;
  right: 8px;
  font-size: 10px;
}

/* Footer */
.rs-footer {
  background: var(--rs-card-bg);
  border-top: 1px solid var(--rs-border);
  margin-top: 60px;
}

.rs-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.rs-footer-copy {
  font-size: 14px;
  color: var(--rs-muted);
}

.rs-footer-links {
  display: flex;
  gap: 24px;
}

.rs-footer-link {
  font-size: 14px;
  color: var(--rs-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.rs-footer-link:hover {
  color: var(--rs-primary);
}

/* Mobile */
@media (max-width: 768px) {
  .rs-header-inner {
    padding: 0 16px;
  }

  .rs-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--rs-card-bg);
    border-bottom: 1px solid var(--rs-border);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
  }

  .rs-nav.active {
    display: flex;
  }

  .rs-menu-btn {
    display: block;
  }

  .rs-main {
    padding: 24px 16px;
  }

  .rs-hero {
    padding: 40px 0 24px;
  }

  .rs-hero-title {
    font-size: 32px;
  }

  .rs-hero-desc {
    font-size: 16px;
  }

  .rs-tools-grid {
    grid-template-columns: 1fr;
  }

  .rs-blog-grid {
    grid-template-columns: 1fr;
  }

  .rs-article-title {
    font-size: 26px;
  }

  .rs-article-body {
    font-size: 16px;
  }

  .rs-room-grid {
    grid-template-columns: 1fr 1fr;
  }

  .rs-result-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .rs-result-amount {
    text-align: left;
  }

  .rs-footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .rs-calc-mode {
    flex-direction: column;
  }

  .rs-mode-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .rs-room-grid {
    grid-template-columns: 1fr;
  }

  .rs-notfound-code {
    font-size: 80px;
  }
}

/* ===== 广告位隐藏机制 (规范6.2) ===== */
.rs-ad-slot { display: none; }
.rs-ad-slot.has-content { display: flex; }

/* ===== 粘性功能栏 ===== */
.rs-sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--rs-card-bg);
  border-top: 1px solid var(--rs-border);
  padding: 12px 24px;
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  z-index: 90;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.05);
}

.rs-sticky-bar-left {
  display: flex;
  gap: 12px;
  align-items: center;
}

.rs-sticky-btn {
  background: rgba(79,70,229,0.1);
  color: var(--rs-primary);
  border: none;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.rs-sticky-btn:hover {
  background: var(--rs-primary);
  color: white;
}

.rs-sticky-btn svg {
  stroke: currentColor;
}

@media (max-width: 768px) {
  .rs-sticky-bar {
    padding: 10px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .rs-sticky-btn {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
}