:root {
  --t: #1a1a1a;
  --tl: #6b7280;
  --tm: #9ca3af;
  --b: #fff;
  --ba: #f8fafc;
  --bs: #fefefe;
  --bd: #e5e7eb;
  --bl: #f3f4f6;
  --p: #374151;
  --pl: #4b5563;
  --a: #2563eb;
  --al: #3b82f6;
  --s: #10b981;
  --e: #ef4444;
  --w: #f59e0b;
  --f: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --fm: "SF Mono", Monaco, monospace;
}

[data-theme="dark"] {
  --t: #f8fafc;
  --tl: #94a3b8;
  --tm: #64748b;
  --b: #0f172a;
  --ba: #1e293b;
  --bs: #1e293b;
  --bd: #334155;
  --bl: #475569;
  --p: #cbd5e1;
  --pl: #e2e8f0;
  --a: #3b82f6;
  --al: #60a5fa;
  --s: #22c55e;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

body {
  font: 14px/1.6 var(--f);
  color: var(--t);
  background: var(--b);
  -webkit-font-smoothing: antialiased;
}

.site-nav {
  background: var(--b);
  border-bottom: 1px solid var(--bd);
  padding: 0;
}

.nav-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  position: relative;
}

.brand {
  font: 700 20px var(--f);
  color: var(--t);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-pill {
  list-style: none;
  display: flex;
  gap: 2px;
}

.nav-pill a {
  color: var(--tl);
  text-decoration: none;
  font: 500 14px var(--f);
  padding: 8px 16px;
  border-radius: 6px;
}

.nav-pill a:hover {
  color: var(--t);
  background: var(--ba);
}

.nav-pill a.active {
  color: var(--p);
  background: var(--ba);
  font-weight: 600;
}

.nav-toggle {
  display: none;
}

.nav-toggle-label {
  display: none;
  cursor: pointer;
  font-size: 18px;
  padding: 8px;
  user-select: none;
  color: var(--tl);
  border: 1px solid var(--bl);
  border-radius: 4px;
}

.nav-toggle-label:hover {
  color: var(--t);
  border-color: var(--bd);
  background: var(--ba);
}

@media (max-width: 768px) {
  .nav-toggle-label {
    display: block;
  }

  .nav-pill {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--b);
    border: 1px solid var(--bd);
    border-radius: 8px;
    flex-direction: column;
    gap: 0;
    min-width: 160px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 999;
    max-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
  }

  .nav-toggle:checked ~ .nav-pill {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-toggle:checked + .nav-toggle-label {
    color: var(--t);
    background: var(--ba);
  }

  .nav-toggle:checked + .nav-toggle-label::before {
    content: "✕";
  }

  .nav-pill a {
    padding: 12px 16px;
    border-bottom: 1px solid var(--bl);
    border-radius: 0;
  }

  .nav-pill a:first-child {
    border-radius: 8px 8px 0 0;
  }

  .nav-pill a:last-child {
    border-bottom: none;
    border-radius: 0 0 8px 8px;
  }
}

header {
  background: var(--bs);
  border-bottom: 1px solid var(--bd);
  padding: 30px 24px;
  text-align: center;
}

header h1 {
  font: 700 32px var(--f);
  margin-bottom: 12px;
  color: var(--t);
  letter-spacing: -0.025em;
}

header p {
  font: 400 18px var(--f);
  color: var(--tl);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px 24px;
}

section {
  margin-bottom: 20px;
  padding: 24px;
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
}

section h2 {
  font: 700 22px var(--f);
  margin-bottom: 20px;
  color: var(--t);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--bl);
  letter-spacing: -0.02em;
}

section h3 {
  font: 600 18px var(--f);
  margin: 20px 0 12px 0;
  color: var(--t);
}

section p {
  margin-bottom: 16px;
  color: var(--t);
  line-height: 1.7;
  font-size: 15px;
}

form {
  background: var(--ba);
  padding: 24px;
  border: 1px solid var(--bd);
  border-radius: 8px;
}

form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: var(--t);
  font-size: 14px;
}

form input,
form textarea,
form select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--bd);
  border-radius: 6px;
  font-size: 14px;
  margin-bottom: 16px;
  font-family: var(--f);
  background: var(--b);
  color: var(--t);
  transition: border-color 0.15s ease;
}

form input:focus,
form textarea:focus,
form select:focus,
form button:focus,
.copy-xmr-btn:focus,
.nav-toggle-label:focus,
.filter-btn:focus {
  outline: none;
  border-color: var(--a);
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

form button {
  background: var(--b);
  color: var(--t);
  border: 1px solid var(--bd);
  padding: 10px 20px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--f);
  transition: all 0.2s ease;
}

form button:hover {
  background: var(--ba);
  border-color: var(--tl);
  transform: translateY(-1px);
}

form button:disabled {
  background: var(--ba);
  color: var(--tm);
  border-color: var(--bl);
  cursor: not-allowed;
  transform: none;
  opacity: 0.6;
}

/* Captcha styling */
.captcha-container {
  margin: 8px 0 5px 0;
  padding: 5px;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 1000;
  background: transparent;
  border-radius: 4px;
}

[data-theme="dark"] .captcha-container {
  background: transparent;
}

.h-captcha {
  margin: 0 auto !important;
  position: relative;
  z-index: 1001;
}

/* Force minimal spacing for captcha */
.captcha-container .h-captcha {
  margin: 0 !important;
  padding: 0 !important;
}

/* Ensure captcha appears directly above submit buttons */
.captcha-container + button[type="submit"] {
  margin-top: 5px !important;
}

button.captcha-disabled {
  background: var(--ba) !important;
  color: var(--tm) !important;
  border-color: var(--bl) !important;
  cursor: not-allowed !important;
  transform: none !important;
  opacity: 0.6 !important;
  pointer-events: none;
}

/* Ensure captcha iframe has proper z-index */
.captcha-container iframe {
  z-index: 1002 !important;
  position: relative;
}

/* Form spacing adjustments for captcha */
form .captcha-container {
  clear: both;
  width: 100%;
  max-width: 100%;
}

/* Special positioning for contact form captcha */
#contact-form .captcha-container {
  position: relative;
  z-index: 1010;
}

/* Special positioning for anonymous message form captcha */
#anon-message-form .captcha-container {
  position: relative;
  z-index: 1010;
  margin-top: 8px;
  margin-bottom: 0;
}

/* Mobile responsiveness for captcha */
@media (max-width: 768px) {
  .captcha-container {
    margin: 5px 0 3px 0;
    padding: 3px;
    border-radius: 4px;
  }
  
  .captcha-container + button[type="submit"] {
    margin-top: 3px !important;
  }
}

/* Ensure captcha is always visible and above other elements */
.captcha-container,
.captcha-container *,
.captcha-container iframe {
  position: relative !important;
  z-index: 9999 !important;
}

.site-footer {
  background: var(--ba);
  padding: 40px 24px;
  border-top: 1px solid var(--bd);
  margin-top: 60px;
}

.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-address {
  font-family: var(--fm);
  font-size: 12px;
  background: var(--b);
  padding: 8px 12px;
  border: 1px solid var(--bd);
  border-radius: 6px;
  cursor: pointer;
  word-break: break-all;
  max-width: 320px;
  transition: all 0.15s ease;
}

.footer-address:hover {
  background: var(--ba);
  border-color: var(--p);
}

.copy-xmr-btn {
  padding: 6px 12px;
  font-size: 12px;
  background: transparent;
  color: var(--tl);
  border: 1px solid var(--bl);
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--f);
  font-weight: 400;
  transition: all 0.2s ease;
}

.copy-xmr-btn:hover {
  background: var(--ba);
  color: var(--t);
  border-color: var(--bd);
  transform: translateY(-1px);
}

.footer-center p {
  color: var(--tm);
  font-size: 13px;
  font-weight: 500;
}

.social-media-icons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.social-media-icons a {
  color: var(--tl);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  transition: all 0.15s ease;
}

.social-media-icons a:hover {
  background: var(--bs);
  color: var(--t);
}

.blog-controls {
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 32px;
}

.search-container {
  margin-bottom: 16px;
}

.search-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--bd);
  border-radius: 6px;
  font-size: 14px;
  font-family: var(--f);
  transition: border-color 0.15s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--a);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.filter-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 6px 12px;
  border: 1px solid var(--bl);
  background: transparent;
  color: var(--tl);
  border-radius: 3px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 400;
  font-family: var(--f);
  transition: all 0.2s ease;
}

.filter-btn:hover {
  background: var(--ba);
  color: var(--t);
  border-color: var(--bd);
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--t);
  color: var(--b);
  border-color: var(--t);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
  margin-top: 24px;
}

.blog-card {
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 24px;
  transition: all 0.15s ease;
}

.blog-card:hover {
  border-color: var(--p);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.blog-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--t);
  line-height: 1.4;
}

.blog-card p {
  color: var(--tl);
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.blog-card .blog-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--tm);
}

.blog-card .blog-category {
  background: #f8fafc !important;
  color: #374151 !important;
  border: 1px solid #e5e7eb !important;
  padding: 4px 8px;
  border-radius: 4px;
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.blog-card a {
  color: var(--a);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.blog-card a:hover {
  color: var(--al);
}

.loading-state,
.no-results {
  text-align: center;
  padding: 60px 24px;
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  color: var(--tl);
}

.admin-container {
  max-width: none;
}

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

.form-help {
  font-size: 12px;
  color: var(--tm);
  margin-top: 4px;
}

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

.blog-form-section,
.email-management-section,
.anon-messages-section,
.existing-blogs-section {
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 32px;
  margin-bottom: 32px;
}

.anon-messages-list,
.blogs-list {
  background: var(--ba);
  border: 1px solid var(--bd);
  border-radius: 6px;
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
}

.status-success {
  color: var(--s);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
}

.status-error {
  color: var(--e);
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .container {
    padding: 16px 16px;
  }

  header {
    padding: 25px 16px;
  }

  header h1 {
    font-size: 28px;
  }

  section {
    padding: 20px;
    margin-bottom: 20px;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }

  .footer-left {
    justify-content: center;
  }

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

  .social-media-icons {
    justify-content: center;
  }

  .nav-inner {
    padding: 0 16px;
    position: relative;
  }

  form {
    padding: 20px;
  }

  form input,
  form textarea {
    font-size: 16px;
  }

  form button {
    padding: 12px 20px;
    font-size: 16px;
    min-height: 44px;
  }

  .filter-btn {
    padding: 8px 12px;
    min-height: 36px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 12px 12px;
  }

  header {
    padding: 20px 12px;
  }

  header h1 {
    font-size: 24px;
  }

  section {
    padding: 16px;
    margin-bottom: 16px;
  }

  .nav-inner {
    padding: 0 12px;
  }

  .filter-buttons {
    flex-direction: column;
    gap: 4px;
  }

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

a {
  color: var(--a);
  text-decoration: none;
}

a:hover {
  color: var(--al);
}

.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.theme-toggle:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border-color: var(--bl);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  color: var(--tl);
  transition: all 0.3s ease;
}

.theme-toggle:hover svg {
  color: var(--t);
  transform: rotate(180deg);
}

@media (max-width: 768px) {
  .theme-toggle {
    top: 15px;
    right: 80px;
    width: 40px;
    height: 40px;
    z-index: 1001;
  }

  .theme-toggle svg {
    width: 18px;
    height: 18px;
  }
}

.portfolio-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin: 30px 0;
}

.stat-card {
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.stat-card h3 {
  font-size: 14px;
  color: var(--tl);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-number {
  font-size: 24px;
  font-weight: 700;
  color: var(--t);
  margin: 8px 0;
}

.stat-number.positive {
  color: var(--s);
}

.stat-number.negative {
  color: var(--e);
}

.stat-label {
  font-size: 12px;
  color: var(--tm);
}

.investment-list {
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 24px;
  margin: 30px 0;
}

.investment-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--bl);
}

.investment-item:last-child {
  border-bottom: none;
}

.investment-name {
  font-weight: 600;
  color: var(--t);
}

.investment-return {
  font-weight: 600;
  font-size: 14px;
}

.investment-return.positive {
  color: var(--s);
}

.investment-return.negative {
  color: var(--e);
}

.disclaimer {
  background: var(--ba);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 20px;
  margin: 30px 0;
}

.disclaimer h3 {
  color: var(--e);
  margin-bottom: 12px;
  font-size: 16px;
}

.disclaimer p {
  color: var(--tl);
  font-size: 14px;
  line-height: 1.6;
}

.investing-time {
  text-align: center;
  color: var(--tm);
  font-size: 13px;
  margin-bottom: 30px;
}

.chart-container {
  background: var(--bs);
  border: 1px solid var(--bd);
  border-radius: 8px;
  padding: 24px;
  margin: 30px 0;
}

.chart-wrapper {
  position: relative;
  height: 400px;
  margin: 20px 0;
  background: var(--b);
  border: 1px solid var(--bl);
  border-radius: 6px;
  overflow: hidden;
}

#portfolioChart {
  width: 100%;
  height: 100%;
  display: block;
}

* {
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}