/*!
 * RusWatch Theme
 * Theme Name: RusWatch Theme
 * Theme URI: https://whistleblower-platform.local
 * Description: Secure, minimal, tracking-free theme for investigative journalism. Zero external requests, privacy-first design.
 * Version: 1.1.0
 * Author: RusWatch
 * Author URI: https://whistleblower-platform.local
 * License: GPL v2 or later
 * License URI: https://www.gnu.org/licenses/gpl-2.0.html
 * Text Domain: whistleblower-theme
 * Domain Path: /languages
 * Requires at least: 5.0
 * Requires PHP: 7.4
 */

/* ============================================================================
   CSS RESET & NORMALIZE (Inline)
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
  font-weight: 400;
  color: var(--color-text);
  background-color: var(--color-bg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
main,
nav,
section {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--color-heading);
}

h1 {
  font-size: 2.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.1rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease, text-decoration 0.2s ease;
}

a:hover,
a:focus {
  color: var(--color-accent-dark);
  text-decoration: underline;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

a:focus {
  outline: 2px solid var(--color-accent);
}

ul,
ol {
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

blockquote {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
  border-left: 4px solid var(--color-accent);
  color: var(--color-text-secondary);
  font-style: italic;
}

code,
pre {
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  font-size: 0.95em;
  background-color: var(--color-code-bg);
  border-radius: 4px;
}

code {
  padding: 0.2rem 0.4rem;
  color: var(--color-code);
}

pre {
  padding: 1rem;
  overflow-x: auto;
  margin-bottom: 1rem;
  border: 1px solid var(--color-border);
}

pre code {
  padding: 0;
  background: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='url'],
input[type='number'],
textarea,
select {
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 0.75rem;
  font-size: 16px;
  background-color: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input[type='text']:focus,
input[type='email']:focus,
input[type='password']:focus,
input[type='url']:focus,
input[type='number']:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-light);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1rem;
}

th,
td {
  padding: 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  font-weight: 600;
  background-color: var(--color-table-header-bg);
}

/* ============================================================================
   CSS CUSTOM PROPERTIES (Theme Variables)
   ========================================================================== */

:root {
  /* Light Mode (Default) — Charcoal + Amber/Gold */
  --color-bg: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-heading: #1a1a2e;
  --color-border: #e0e0e0;
  --color-accent: #d4a017;
  --color-accent-dark: #b8860b;
  --color-accent-light: rgba(212, 160, 23, 0.1);
  --color-code-bg: #f5f5f5;
  --color-code: #d63384;
  --color-input-bg: #fafafa;
  --color-table-header-bg: #f9f9f9;
  --color-card-bg: #ffffff;
  --color-card-shadow: rgba(0, 0, 0, 0.08);
  --color-button-bg: #d4a017;
  --color-button-text: #ffffff;
  --color-button-hover: #b8860b;
  --color-button-disabled: #cccccc;
  --color-alert-bg: #fff3cd;
  --color-alert-text: #856404;
  --color-success-bg: #d4edda;
  --color-success-text: #155724;
  --color-error-bg: #f8d7da;
  --color-error-text: #721c24;
  --color-info-bg: #d1ecf1;
  --color-info-text: #0c5460;
  --color-nav-bg: #ffffff;
  --color-nav-text: #333333;
  --color-nav-hover: #d4a017;
  --color-footer-bg: #1a1a2e;
  --color-footer-text: #c0c0c0;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #1a1a2e;
    --color-text: #e0e0e0;
    --color-text-secondary: #a0a0a0;
    --color-heading: #ffffff;
    --color-border: #333333;
    --color-accent: #f0c040;
    --color-accent-dark: #d4a017;
    --color-accent-light: rgba(240, 192, 64, 0.15);
    --color-code-bg: #0f0f1a;
    --color-code: #ff69b4;
    --color-input-bg: #252535;
    --color-table-header-bg: #242430;
    --color-card-bg: #262641;
    --color-card-shadow: rgba(0, 0, 0, 0.3);
    --color-button-bg: #f0c040;
    --color-button-text: #1a1a2e;
    --color-button-hover: #d4a017;
    --color-button-disabled: #444444;
    --color-alert-bg: #332701;
    --color-alert-text: #ffb81c;
    --color-success-bg: #1b3a1b;
    --color-success-text: #7dd87d;
    --color-error-bg: #3a1b1b;
    --color-error-text: #ff9999;
    --color-info-bg: #1b3a3a;
    --color-info-text: #7dd8d8;
    --color-nav-bg: #0f0f1a;
    --color-nav-text: #e0e0e0;
    --color-nav-hover: #f0c040;
    --color-footer-bg: #0f0f1a;
    --color-footer-text: #a0a0a0;
  }
}

/* Dark Mode Class (for manual toggle) */
body.dark-mode {
  --color-bg: #1a1a2e;
  --color-text: #e0e0e0;
  --color-text-secondary: #a0a0a0;
  --color-heading: #ffffff;
  --color-border: #333333;
  --color-accent: #f0c040;
  --color-accent-dark: #d4a017;
  --color-accent-light: rgba(240, 192, 64, 0.15);
  --color-code-bg: #0f0f1a;
  --color-code: #ff69b4;
  --color-input-bg: #252535;
  --color-table-header-bg: #242430;
  --color-card-bg: #262641;
  --color-card-shadow: rgba(0, 0, 0, 0.3);
  --color-button-bg: #f0c040;
  --color-button-text: #1a1a2e;
  --color-button-hover: #d4a017;
  --color-button-disabled: #444444;
  --color-alert-bg: #332701;
  --color-alert-text: #ffb81c;
  --color-success-bg: #1b3a1b;
  --color-success-text: #7dd87d;
  --color-error-bg: #3a1b1b;
  --color-error-text: #ff9999;
  --color-info-bg: #1b3a3a;
  --color-info-text: #7dd8d8;
  --color-nav-bg: #0f0f1a;
  --color-nav-text: #e0e0e0;
  --color-nav-hover: #f0c040;
  --color-footer-bg: #0f0f1a;
  --color-footer-text: #a0a0a0;
}

/* Light Mode Class (for manual toggle) */
body.light-mode {
  --color-bg: #ffffff;
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-heading: #1a1a2e;
  --color-border: #e0e0e0;
  --color-accent: #d4a017;
  --color-accent-dark: #b8860b;
  --color-accent-light: rgba(212, 160, 23, 0.1);
  --color-code-bg: #f5f5f5;
  --color-code: #d63384;
  --color-input-bg: #fafafa;
  --color-table-header-bg: #f9f9f9;
  --color-card-bg: #ffffff;
  --color-card-shadow: rgba(0, 0, 0, 0.08);
  --color-button-bg: #d4a017;
  --color-button-text: #ffffff;
  --color-button-hover: #b8860b;
  --color-button-disabled: #cccccc;
  --color-alert-bg: #fff3cd;
  --color-alert-text: #856404;
  --color-success-bg: #d4edda;
  --color-success-text: #155724;
  --color-error-bg: #f8d7da;
  --color-error-text: #721c24;
  --color-info-bg: #d1ecf1;
  --color-info-text: #0c5460;
  --color-nav-bg: #ffffff;
  --color-nav-text: #333333;
  --color-nav-hover: #d4a017;
  --color-footer-bg: #1a1a2e;
  --color-footer-text: #c0c0c0;
}

/* ============================================================================
   LAYOUT
   ========================================================================== */

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
  width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .wrapper {
    grid-template-columns: 1fr 300px;
  }

  .wrapper.no-sidebar {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  background-color: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.site-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  margin: 0;
}

.site-title a {
  color: var(--color-nav-text);
  text-decoration: none;
}

.site-title a:hover,
.site-title a:focus {
  color: var(--color-accent);
}

.site-logo {
  height: 50px;
  width: auto;
  margin-right: var(--spacing-sm);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Primary Navigation */
.primary-nav {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--spacing-sm);
  align-items: center;
}

.primary-nav li {
  white-space: nowrap;
}

.primary-nav.active {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  background-color: var(--color-nav-bg);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md);
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .primary-nav {
    display: flex;
    position: static;
    flex-direction: row;
    background-color: transparent;
    border: none;
    padding: 0;
  }

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

.primary-nav a {
  color: var(--color-nav-text);
  text-decoration: none;
  transition: color var(--transition-fast);
  padding: 0.5rem 0;
  white-space: nowrap;
  font-size: var(--font-size-sm);
}

.primary-nav a:hover,
.primary-nav a:focus {
  color: var(--color-nav-hover);
  text-decoration: underline;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Hamburger Menu Toggle */
.menu-toggle {
  display: flex;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 5px;
  align-items: center;
  color: var(--color-nav-text);
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background-color: currentColor;
  border-radius: 3px;
  transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

/* Mode Toggle */
.mode-toggle {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.5rem 0.75rem;
  cursor: pointer;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.mode-toggle:hover,
.mode-toggle:focus {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.mode-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}

/* Submit Tip Button */
.btn-submit-tip {
  background-color: var(--color-button-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.5rem 0.9rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-block;
  white-space: nowrap;
}

.btn-submit-tip:hover,
.btn-submit-tip:focus {
  background-color: var(--color-button-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* ============================================================================
   MAIN CONTENT
   ========================================================================== */

.content-area {
  padding: var(--spacing-xl) 0;
}

.site-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

@media (min-width: 1024px) {
  .site-content {
    grid-template-columns: 1fr 300px;
  }

  .site-content.no-sidebar {
    grid-template-columns: 1fr;
  }
}

/* ============================================================================
   CARDS & ARTICLES
   ========================================================================== */

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  }
}

.article-card {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.article-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.article-card-image {
  margin: calc(var(--spacing-lg) * -1) calc(var(--spacing-lg) * -1) var(--spacing-md) calc(var(--spacing-lg) * -1);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  max-height: 200px;
}

.article-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-card-title {
  margin-top: 0;
}

.article-card-title a {
  color: var(--color-heading);
  text-decoration: none;
}

.article-card-title a:hover,
.article-card-title a:focus {
  color: var(--color-accent);
}

.article-card-excerpt {
  color: var(--color-text-secondary);
  margin-bottom: auto;
  line-height: 1.6;
}

.article-card-meta {
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.article-card-date {
  display: inline-block;
  color: var(--color-accent);
  font-weight: 600;
}

/* ============================================================================
   SINGLE ARTICLE
   ========================================================================== */

.single-article {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  line-height: 1.8;
}

.article-header {
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--color-border);
}

.article-title {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  flex-wrap: wrap;
}

.article-date {
  color: var(--color-accent);
  font-weight: 600;
}

.article-content {
  margin-bottom: var(--spacing-xl);
}

.article-content img {
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-lg);
  max-width: 100%;
}

.article-content > p:first-child {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  font-style: italic;
}

.article-navigation {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-border);
}

@media (max-width: 768px) {
  .article-navigation {
    grid-template-columns: 1fr;
  }
}

.article-nav-item {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.article-nav-item:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
}

.article-nav-item a {
  text-decoration: none;
  color: var(--color-text);
}

.article-nav-item a:hover,
.article-nav-item a:focus {
  color: var(--color-accent);
}

.article-nav-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}

.article-nav-title {
  font-weight: 600;
  display: block;
}

/* CTA Section */
.article-cta {
  background-color: var(--color-accent-light);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-xl);
  text-align: center;
}

.article-cta h3 {
  margin-top: 0;
  color: var(--color-accent);
}

.article-cta p {
  margin-bottom: var(--spacing-md);
}

.article-cta .btn-submit-tip {
  margin-top: var(--spacing-md);
}

/* ============================================================================
   SHARE BUTTONS
   ========================================================================== */

.share-buttons {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  flex-wrap: wrap;
  padding: var(--spacing-sm) 0;
  margin-bottom: var(--spacing-md);
}

.share-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-right: var(--spacing-xs);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  min-width: 32px;
  min-height: 32px;
  max-width: 32px;
  max-height: 32px;
  border: none;
  border-radius: 50%;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.share-btn:hover,
.share-btn:focus {
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  text-decoration: none;
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.share-btn svg {
  width: 18px;
  height: 18px;
  max-width: 18px;
  max-height: 18px;
  fill: currentColor;
  flex-shrink: 0;
}

/* ============================================================================
   LANGUAGE SWITCHER
   ========================================================================== */

.lang-switcher {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.lang-switcher a {
  display: inline-block;
  padding: 0.4rem 0.6rem;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--transition-fast);
  line-height: 1;
}

.lang-switcher a:hover,
.lang-switcher a:focus {
  color: var(--color-accent);
  text-decoration: none;
  outline: none;
}

.lang-switcher a.lang-active {
  background-color: var(--color-accent);
  color: var(--color-button-text);
}

.lang-switcher a.lang-active:hover {
  background-color: var(--color-accent-dark);
}

.lang-switcher .lang-sep {
  color: var(--color-border);
  font-weight: 400;
  user-select: none;
}

@media (max-width: 767px) {
  .lang-switcher {
    order: -1;
  }
}

/* ============================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background-color: var(--color-footer-bg);
  border-top: 1px solid var(--color-border);
  color: var(--color-footer-text);
  margin-top: auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
  margin-top: 0;
  color: #ffffff;
}

.footer-section a {
  color: var(--color-accent);
}

.footer-bottom {
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: var(--font-size-sm);
}

.footer-copyright {
  margin: 0;
}

.footer-notice {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-sm);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

.btc-address {
  word-break: break-all;
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
  color: var(--color-footer-text);
}

.btc-address code {
  background: none;
  padding: 0;
  font-size: var(--font-size-xs);
  color: var(--color-accent);
}

/* ============================================================================
   FORMS
   ========================================================================== */

.form-group {
  margin-bottom: var(--spacing-lg);
  display: flex;
  flex-direction: column;
}

label {
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  color: var(--color-heading);
}

label .required {
  color: #e74c3c;
  margin-left: 0.25rem;
}

.form-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
}

input[type='checkbox'],
input[type='radio'] {
  margin-right: 0.5rem;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.checkbox-group,
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  font-weight: 400;
  cursor: pointer;
}

/* File Upload */
.file-upload {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all var(--transition-fast);
  background-color: var(--color-input-bg);
}

.file-upload:hover {
  border-color: var(--color-accent);
  background-color: var(--color-accent-light);
}

.file-upload input[type='file'] {
  display: none;
}

.file-upload-button {
  background-color: var(--color-button-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.file-upload-button:hover {
  background-color: var(--color-button-hover);
  transform: translateY(-2px);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background-color: var(--color-button-bg);
  color: var(--color-button-text);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  text-align: center;
}

.btn:hover,
.btn:focus {
  background-color: var(--color-button-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:disabled,
.btn.disabled {
  background-color: var(--color-button-disabled);
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background-color: var(--color-accent-light);
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: var(--font-size-lg);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ============================================================================
   ALERTS & NOTICES
   ========================================================================== */

.alert,
.notice,
.message {
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-bottom: var(--spacing-lg);
}

.alert-success,
.notice-success {
  background-color: var(--color-success-bg);
  color: var(--color-success-text);
  border-color: var(--color-success-text);
}

.alert-error,
.notice-error {
  background-color: var(--color-error-bg);
  color: var(--color-error-text);
  border-color: var(--color-error-text);
}

.alert-warning,
.notice-warning {
  background-color: var(--color-alert-bg);
  color: var(--color-alert-text);
  border-color: var(--color-alert-text);
}

.alert-info,
.notice-info {
  background-color: var(--color-info-bg);
  color: var(--color-info-text);
  border-color: var(--color-info-text);
}

/* ============================================================================
   PAGINATION
   ========================================================================== */

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-xl) 0;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--color-text);
  transition: all var(--transition-fast);
  display: inline-block;
}

.pagination a:hover,
.pagination a:focus {
  background-color: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
}

.pagination .current {
  background-color: var(--color-accent);
  color: var(--color-button-text);
  border-color: var(--color-accent);
  font-weight: 600;
}

/* ============================================================================
   SIDEBAR & WIDGETS
   ========================================================================== */

.sidebar {
  padding-top: 0;
}

.widget {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
}

.widget h3 {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

.widget ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget li {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--color-border);
  margin: 0;
}

.widget li:last-child {
  border-bottom: none;
}

.widget a {
  display: block;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.widget a:hover,
.widget a:focus {
  color: var(--color-accent-dark);
}

/* ============================================================================
   404 PAGE
   ========================================================================== */

.error-404 {
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.error-404 h1 {
  font-size: 5rem;
  color: var(--color-accent);
  margin-bottom: 0;
}

.error-404-message {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-secondary);
}

/* ============================================================================
   ACCESSIBILITY
   ========================================================================== */

.skip-to-content {
  position: absolute;
  top: -9999px;
  left: -9999px;
  z-index: 999;
  background-color: var(--color-accent);
  color: var(--color-button-text);
  padding: var(--spacing-sm);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
}

.skip-to-content:focus {
  top: var(--spacing-md);
  left: var(--spacing-md);
  outline: 2px solid var(--color-text);
  outline-offset: 2px;
}

/* Focus Visible Styles */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
  :root {
    --color-border: #666666;
  }

  body.dark-mode {
    --color-border: #999999;
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ============================================================================
   RESPONSIVE DESIGN
   ========================================================================== */

/* Tablets (768px) */
@media (max-width: 767px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  .header-inner {
    padding: var(--spacing-md);
    flex-wrap: wrap;
  }

  .site-title {
    font-size: 1.5rem;
  }

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

  .article-navigation {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  .content-area {
    padding: var(--spacing-lg) 0;
  }

  .btn-submit-tip {
    white-space: nowrap;
    padding: 0.5rem 0.75rem;
    font-size: var(--font-size-sm);
  }

  .nav-wrapper {
    gap: var(--spacing-sm);
    flex-shrink: 0;
  }

  .lang-switcher {
    flex-shrink: 0;
    overflow: visible;
  }

  .header-inner {
    flex-wrap: nowrap;
    gap: var(--spacing-sm);
  }

  .site-branding {
    flex-shrink: 1;
    min-width: 0;
  }

  .site-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}

/* Small Mobile (480px and below) */
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.35rem;
  }

  .header-inner {
    padding: var(--spacing-sm);
  }

  .site-title {
    font-size: 1.25rem;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .single-article {
    padding: var(--spacing-md);
  }

  .article-cta {
    padding: var(--spacing-md);
  }

  .error-404 h1 {
    font-size: 3rem;
  }

  .btn-submit-tip {
    padding: 0.4rem 0.6rem;
    font-size: 0.75rem;
  }

  .site-logo-svg {
    width: 30px;
    height: 30px;
  }

  .mode-toggle {
    padding: 0.35rem 0.5rem;
  }

  .mode-toggle svg {
    width: 16px;
    height: 16px;
  }

  .lang-switcher a {
    padding: 0.3rem 0.4rem;
    font-size: 0.75rem;
  }
}

/* ============================================================================
   HOMEPAGE TEMPLATE
   ========================================================================== */

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo-svg {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.hero-section {
  background-color: #1a1a2e;
  color: #e0e0e0;
  padding: var(--spacing-xxl) var(--spacing-md);
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-content h1 {
  color: #ffffff;
  font-size: 3rem;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.hero-content .hero-tagline {
  color: #d4a017;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-content .hero-mission {
  color: #c0c0c0;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.hero-content .btn {
  background-color: #d4a017;
  color: #ffffff;
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.hero-content .btn:hover {
  background-color: #b8860b;
}

.featured-investigations {
  padding: var(--spacing-xxl) var(--spacing-md);
  max-width: 1200px;
  margin: 0 auto;
}

.featured-investigations h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.why-section {
  background-color: var(--color-card-bg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-xxl) var(--spacing-md);
}

.why-section h2 {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  max-width: 1200px;
  margin: 0 auto;
}

.why-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.why-card svg {
  width: 48px;
  height: 48px;
  color: var(--color-accent);
  margin-bottom: var(--spacing-md);
}

.why-card h3 {
  margin-top: 0;
  color: var(--color-heading);
}

.why-card p {
  color: var(--color-text-secondary);
}

.cta-band {
  background-color: #d4a017;
  color: #ffffff;
  padding: var(--spacing-xl) var(--spacing-md);
  text-align: center;
}

.cta-band h2 {
  color: #ffffff;
  margin-top: 0;
  margin-bottom: 0.5rem;
}

.cta-band p {
  margin-bottom: 1.5rem;
  opacity: 0.95;
}

.cta-band .btn {
  background-color: #1a1a2e;
  color: #ffffff;
}

.cta-band .btn:hover {
  background-color: #0f0f1a;
}

body.dark-mode .cta-band {
  background-color: #f0c040;
  color: #1a1a2e;
}

body.dark-mode .cta-band h2 {
  color: #1a1a2e;
}

body.dark-mode .cta-band .btn {
  background-color: #1a1a2e;
  color: #f0c040;
}

body.dark-mode .hero-content .hero-tagline {
  color: #f0c040;
}

body.dark-mode .hero-content .btn {
  background-color: #f0c040;
  color: #1a1a2e;
}

body.dark-mode .hero-content .btn:hover {
  background-color: #d4a017;
}

@media (max-width: 767px) {
  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-content .hero-tagline {
    font-size: 1rem;
  }

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

/* ============================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }

  a,
  a:visited {
    text-decoration: underline;
  }

  a[href]::after {
    content: ' (' attr(href) ')';
  }

  abbr[title]::after {
    content: ' (' attr(title) ')';
  }

  img {
    max-width: 100% !important;
  }

  @page {
    margin: 2cm;
  }

  h1,
  h2,
  h3 {
    orphans: 3;
    widows: 3;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    page-break-after: avoid;
  }

  p {
    orphans: 3;
    widows: 3;
  }

  ul,
  ol {
    page-break-inside: avoid;
  }

  blockquote {
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  pre {
    border: 1px solid #ccc;
    overflow: auto;
    page-break-inside: avoid;
    white-space: pre-wrap;
    word-wrap: break-word;
  }

  .site-header,
  .site-footer,
  .sidebar,
  .pagination,
  .article-navigation,
  .article-cta,
  .share-buttons,
  .lang-switcher,
  .menu-toggle,
  .mode-toggle,
  .skip-to-content {
    display: none !important;
  }

  main {
    max-width: 100%;
  }
}

/* ============================================================================
   UTILITY CLASSES
   ========================================================================== */

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-left {
  text-align: left;
}

.text-muted {
  color: var(--color-text-secondary);
}

.text-accent {
  color: var(--color-accent);
}

.text-success {
  color: var(--color-success-text);
}

.text-error {
  color: var(--color-error-text);
}

.mb-0 {
  margin-bottom: 0;
}

.mb-1 {
  margin-bottom: var(--spacing-xs);
}

.mb-2 {
  margin-bottom: var(--spacing-sm);
}

.mb-3 {
  margin-bottom: var(--spacing-md);
}

.mb-4 {
  margin-bottom: var(--spacing-lg);
}

.mb-5 {
  margin-bottom: var(--spacing-xl);
}

.mt-0 {
  margin-top: 0;
}

.mt-1 {
  margin-top: var(--spacing-xs);
}

.mt-2 {
  margin-top: var(--spacing-sm);
}

.mt-3 {
  margin-top: var(--spacing-md);
}

.mt-4 {
  margin-top: var(--spacing-lg);
}

.mt-5 {
  margin-top: var(--spacing-xl);
}

.hidden {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}