/*
Theme Name: Engenharia de Prompts
Theme URI: https://engenhariaprompt.com
Author: Jeferson Belliero
Author URI: https://linkedin.com/in/jeferson-belliero
Description: Uma Single Page Application (SPA) de geração de prompts com IA. Transforme ideias vagas em prompts de engenharia avançada.
Version: 1.0.0
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: engenharia-prompt
Domain Path: /languages
Requires at least: 5.0
Requires PHP: 7.4
*/

/* ============================================
   DESIGN SYSTEM
   ============================================ */

:root {
  --color-bg: #050505;
  --color-text-primary: #E0E0E0;
  --color-accent: #00FF41;
  --color-accent-dark: #00CC33;
  --color-border: #1a1a1a;
  --color-input-bg: #0a0a0a;
  --color-code-bg: #0f0f0f;
  --font-family-primary: 'Inter', 'Roboto Mono', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-mono: 'Roboto Mono', 'Courier New', monospace;
  --transition-speed: 0.3s;
  --shadow-sm: 0 2px 8px rgba(0, 255, 65, 0.1);
  --shadow-md: 0 8px 24px rgba(0, 255, 65, 0.15);
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--color-accent-dark);
}

button {
  cursor: pointer;
  font-family: var(--font-family-primary);
  transition: all var(--transition-speed) ease;
}

input,
textarea {
  font-family: var(--font-family-primary);
}

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

.ep-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

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

#masthead {
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 1px;
  margin: 0;
}

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 15px;
}

.ep-article-link-minimal {
  margin-top: 60px;
  padding: 20px 0;
  text-align: center;
  border-top: 1px solid rgba(0, 255, 65, 0.2);
}

.ep-article-link-content {
  display: flex;
  justify-content: center;
  align-items: center;
}

.ep-article-link-content p {
  margin: 0;
  color: #808080;
  font-size: 13px;
}

.ep-article-link-content a {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  margin-left: 5px;
  transition: all var(--transition-speed) ease;
}

.ep-article-link-content a:hover {
  color: #00E03A;
  text-decoration: underline;
}

.consultoria-btn {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border: none;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  text-decoration: none;
  display: inline-block;
}

.consultoria-btn:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

/* ============================================
   ARTICLE STYLES
   ============================================ */

.ep-article {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
}

.ep-article-header {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.ep-article-title {
  font-size: 42px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 15px;
  line-height: 1.2;
}

.ep-article-meta {
  display: flex;
  gap: 20px;
  font-size: 13px;
  color: #808080;
  flex-wrap: wrap;
}

.ep-article-meta span {
  display: flex;
  align-items: center;
}

.ep-article-toc {
  background-color: rgba(0, 255, 65, 0.05);
  border-left: 3px solid var(--color-accent);
  padding: 20px;
  margin-bottom: 40px;
  border-radius: 4px;
}

.ep-article-toc h3 {
  color: var(--color-accent);
  margin-bottom: 15px;
  font-size: 16px;
}

.ep-article-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ep-article-toc li {
  margin-bottom: 8px;
}

.ep-article-toc a {
  color: #E0E0E0;
  text-decoration: none;
  transition: color var(--transition-speed) ease;
  font-size: 14px;
}

.ep-article-toc a:hover {
  color: var(--color-accent);
}

.ep-article-content {
  display: grid;
  grid-template-columns: 1fr 250px;
  gap: 40px;
  margin-bottom: 60px;
}

.ep-article-section {
  margin-bottom: 40px;
}

.ep-article-section h2 {
  font-size: 28px;
  color: var(--color-accent);
  margin-bottom: 20px;
  margin-top: 0;
  padding-top: 20px;
}

.ep-article-section h3 {
  font-size: 18px;
  color: #E0E0E0;
  margin-bottom: 12px;
  margin-top: 20px;
}

.ep-article-section p {
  color: #C0C0C0;
  line-height: 1.8;
  margin-bottom: 15px;
  font-size: 15px;
}

.ep-article-section ul {
  list-style: none;
  padding: 0;
  margin-bottom: 20px;
}

.ep-article-section ul li {
  color: #C0C0C0;
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
  line-height: 1.6;
}

.ep-article-section ul li:before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.ep-article-highlight {
  background-color: rgba(0, 255, 65, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 4px;
}

.ep-article-highlight p {
  margin: 0;
  color: #E0E0E0;
}

.ep-article-example {
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 255, 65, 0.2);
  padding: 20px;
  margin: 20px 0;
  border-radius: 4px;
}

.ep-article-example h4 {
  color: var(--color-accent);
  margin-top: 0;
  margin-bottom: 10px;
}

.ep-article-example p {
  margin: 0;
}

.ep-article-tips {
  margin-bottom: 30px;
}

.ep-article-tips h3 {
  color: var(--color-accent);
  margin-bottom: 20px;
}

.ep-tip {
  background-color: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--color-accent);
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 4px;
}

.ep-article-tips-negative .ep-tip {
  border-left-color: #FF6B6B;
}

.ep-tip strong {
  color: var(--color-accent);
  display: block;
  margin-bottom: 8px;
}

.ep-article-tips-negative .ep-tip strong {
  color: #FF6B6B;
}

.ep-tip p {
  margin: 0;
  color: #C0C0C0;
  font-size: 14px;
}

.ep-article-cta {
  background: linear-gradient(135deg, rgba(0, 255, 65, 0.1), rgba(0, 255, 65, 0.05));
  border: 1px solid rgba(0, 255, 65, 0.3);
  padding: 30px;
  border-radius: 8px;
  text-align: center;
  margin: 40px 0;
}

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

.ep-article-cta p {
  color: #C0C0C0;
  margin-bottom: 20px;
}

.ep-cta-button {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: 12px 30px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all var(--transition-speed) ease;
  border: none;
  cursor: pointer;
}

.ep-cta-button:hover {
  background-color: #00E03A;
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
  transform: translateY(-2px);
}

.ep-article-closing {
  background-color: rgba(0, 255, 65, 0.05);
  padding: 20px;
  border-radius: 4px;
  margin-top: 30px;
}

.ep-article-closing p {
  margin-bottom: 12px;
  color: #E0E0E0;
}

.ep-article-closing p:last-child {
  margin-bottom: 0;
}

.ep-article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ep-sidebar-widget {
  background-color: rgba(0, 255, 65, 0.05);
  border: 1px solid rgba(0, 255, 65, 0.2);
  padding: 20px;
  border-radius: 6px;
  position: sticky;
  top: 20px;
}

.ep-sidebar-widget h4 {
  color: var(--color-accent);
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 14px;
}

.ep-sidebar-widget p {
  color: #C0C0C0;
  font-size: 13px;
  margin-bottom: 12px;
  line-height: 1.6;
}

.ep-sidebar-link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition-speed) ease;
}

.ep-sidebar-link:hover {
  color: #00E03A;
}

.ep-sidebar-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ep-sidebar-list li {
  margin-bottom: 8px;
}

.ep-sidebar-list a {
  color: #C0C0C0;
  text-decoration: none;
  font-size: 13px;
  transition: color var(--transition-speed) ease;
}

.ep-sidebar-list a:hover {
  color: var(--color-accent);
}

.ep-articles-page {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
  max-width: 1000px;
  margin: 50px auto;
  padding: 0 20px;
}

.ep-article-page-header {
  grid-column: 1 / -1;
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 30px;
  border-bottom: 1px solid rgba(0, 255, 65, 0.2);
}

.ep-article-page-header h1 {
  font-size: 36px;
  color: var(--color-accent);
  margin: 0 0 10px 0;
  font-weight: 700;
}

.ep-article-subtitle {
  color: #C0C0C0;
  font-size: 18px;
  margin: 0 0 15px 0;
}

.ep-article-meta {
  display: flex;
  justify-content: center;
  gap: 10px;
  font-size: 13px;
  color: #808080;
  flex-wrap: wrap;
}

.ep-toc {
  grid-column: 1 / -1;
  background-color: rgba(0, 255, 65, 0.05);
  border-left: 3px solid var(--color-accent);
  padding: 20px;
  margin-bottom: 30px;
  border-radius: 4px;
}

.ep-toc h3 {
  color: var(--color-accent);
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 14px;
}

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

.ep-toc li {
  margin-bottom: 8px;
}

.ep-toc a {
  color: #C0C0C0;
  text-decoration: none;
  font-size: 13px;
  transition: color var(--transition-speed) ease;
}

.ep-toc a:hover {
  color: var(--color-accent);
}

.ep-article-body {
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.ep-section {
  scroll-margin-top: 80px;
}

.ep-section h2 {
  font-size: 26px;
  color: var(--color-accent);
  margin: 0 0 15px 0;
}

.ep-section h3 {
  font-size: 16px;
  color: #E0E0E0;
  margin: 20px 0 10px 0;
}

.ep-section p {
  color: #C0C0C0;
  line-height: 1.8;
  margin: 0 0 12px 0;
  font-size: 14px;
}

.ep-section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 15px 0;
}

.ep-section ul li {
  color: #C0C0C0;
  margin-bottom: 8px;
  padding-left: 20px;
  position: relative;
  font-size: 14px;
}

.ep-section ul li:before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.ep-highlight {
  background-color: rgba(0, 255, 65, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 15px 20px;
  margin: 20px 0;
  border-radius: 4px;
}

.ep-highlight strong {
  color: var(--color-accent);
}

.ep-highlight p {
  margin: 8px 0 0 0;
}

.ep-tips {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 20px 0;
}

.ep-tip {
  background-color: rgba(0, 0, 0, 0.2);
  border-left: 3px solid var(--color-accent);
  padding: 12px 15px;
  border-radius: 4px;
}

.ep-tips-negative .ep-tip {
  border-left-color: #FF6B6B;
}

.ep-tip strong {
  color: var(--color-accent);
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
}

.ep-tips-negative .ep-tip strong {
  color: #FF6B6B;
}

.ep-tip p {
  margin: 0;
  font-size: 13px;
}

.ep-final-cta {
  background: linear-gradient(135deg, rgba(0, 255, 65, 0.1), rgba(0, 255, 65, 0.05));
  border: 1px solid rgba(0, 255, 65, 0.3);
  padding: 25px;
  border-radius: 6px;
  text-align: center;
  margin: 30px 0;
}

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

.ep-final-cta p {
  color: #C0C0C0;
  margin-bottom: 15px;
}

.ep-cta-btn {
  display: inline-block;
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: 11px 28px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  font-size: 13px;
  transition: all var(--transition-speed) ease;
  border: none;
  cursor: pointer;
}

.ep-cta-btn:hover {
  background-color: #00E03A;
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
  transform: translateY(-2px);
}

.ep-closing {
  background-color: rgba(0, 255, 65, 0.05);
  padding: 20px;
  border-radius: 4px;
  margin-top: 20px;
}

.ep-closing p {
  margin-bottom: 10px;
  color: #E0E0E0;
}

.ep-closing p:last-child {
  margin-bottom: 0;
}

.ep-article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ep-sidebar-box {
  background-color: rgba(0, 255, 65, 0.05);
  border: 1px solid rgba(0, 255, 65, 0.2);
  padding: 18px;
  border-radius: 6px;
  position: sticky;
  top: 20px;
}

.ep-sidebar-box h4 {
  color: var(--color-accent);
  margin: 0 0 10px 0;
  font-size: 13px;
}

.ep-sidebar-box p {
  color: #C0C0C0;
  font-size: 12px;
  margin-bottom: 10px;
  line-height: 1.5;
}

.ep-linkedin-link,
.ep-back-link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: all var(--transition-speed) ease;
}

.ep-linkedin-link:hover,
.ep-back-link:hover {
  color: #00E03A;
}

@media (max-width: 768px) {
  .ep-articles-page {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ep-article-page-header h1 {
    font-size: 24px;
  }

  .ep-article-sidebar {
    grid-column: 1 / -1;
  }

  .ep-sidebar-box {
    position: static;
  }

  .ep-section h2 {
    font-size: 20px;
  }
}

/* Responsivo */
@media (max-width: 768px) {
  .ep-article-title {
    font-size: 28px;
  }

  .ep-article-meta {
    flex-direction: column;
    gap: 8px;
  }

  .ep-article-content {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .ep-article-section h2 {
    font-size: 22px;
  }

  .ep-sidebar-widget {
    position: static;
  }
}

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

#main {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
}

.ep-hero {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.ep-hero h1 {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 5px;
  line-height: 1.2;
  color: var(--color-text-primary);
  letter-spacing: -1px;
}

.hero-methodology {
  font-family: var(--font-family-mono);
  font-size: 12px;
  color: #888;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.ep-hero .subtitle {
  font-size: 18px;
  color: #a0a0a0;
  margin-bottom: 50px;
  line-height: 1.8;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   SEARCH/INPUT SECTION
   ============================================ */

.ep-search-container {
  margin-bottom: 40px;
  position: relative;
  width: 100%;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.ep-search-wrapper {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  background-color: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  transition: all var(--transition-speed) ease;
  width: 100%;
  max-width: 100%;
}

.ep-input-group {
  position: relative;
  border: 2px solid var(--color-accent);
  border-radius: 8px;
  padding: 12px;
  background-color: transparent;
  transition: all var(--transition-speed) ease;
  width: 100%;
}

.ep-input-group:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(0, 255, 65, 0.3);
}

.ep-char-limit {
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 11px;
  color: #666;
  font-family: var(--font-family-mono);
  letter-spacing: 0.5px;
  font-weight: 600;
}

.ep-search-input {
  width: 100%;
  background: transparent;
  border: none;
  border-radius: 0;
  color: var(--color-text-primary);
  font-size: 13px;
  padding: 28px 0 0 0;
  outline: none;
  font-family: var(--font-family-primary);
  transition: all var(--transition-speed) ease;
  resize: none;
  overflow: visible;
  min-height: 80px;
  max-height: 150px;
  line-height: 1.6;
}

.ep-search-input::placeholder {
  color: #606060;
  font-size: 13px;
}

.ep-search-input:focus {
  outline: none;
}

.ep-search-btn {
  background-color: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: 8px;
  padding: 12px 32px;
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.5px;
  white-space: nowrap;
  transition: all var(--transition-speed) ease;
  cursor: pointer;
  flex-shrink: 0;
  height: fit-content;
  width: auto;
  text-align: center;
  margin: 0;
  display: inline-block;
}

.ep-search-btn:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.ep-search-btn.loading {
  opacity: 0.7;
  pointer-events: none;
}

/* ============================================
   PILLS/SUGGESTIONS
   ============================================ */

.ep-pills-label {
  font-family: var(--font-family-mono);
  font-size: 12px;
  color: #666;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 15px;
  display: block;
  width: 100%;
  text-align: center;
}

.ep-pills-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  max-width: 100%;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.ep-pills-container > button {
  display: inline-block;
  width: auto;
}

.ep-pill {
  background-color: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 10px 16px;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  white-space: nowrap;
  width: auto;
  text-align: center;
  display: inline-block;
}

.ep-pill:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: rgba(0, 255, 65, 0.05);
}

.ep-pill:active {
  transform: scale(0.98);
}

/* ============================================
   RESULT CONTAINER
   ============================================ */

.ep-result-wrapper {
  margin-top: 40px;
  margin-bottom: 40px;
  display: none;
  animation: slideUp 0.5s ease;
  min-height: auto;
}

.ep-result-wrapper.show {
  display: block;
}

/* Prompt Created Title - same style as collapsible headers */
.ep-prompt-created-title {
  width: 100%;
  padding: 16px 20px;
  background-color: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  text-align: left;
  font-family: var(--font-family-primary);
  box-sizing: border-box;
}

.ep-result-buttons {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}



/* Result Buttons - Same size and aligned */
.ep-copy-btn,
.ep-clear-btn {
  display: inline-block;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed) ease;
  min-width: 80px;
  text-align: center;
}

.ep-copy-btn {
  background-color: var(--color-accent);
  color: var(--color-bg);
}

.ep-copy-btn:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
}

.ep-copy-btn.copied {
  background-color: #00aa33;
}

.ep-clear-btn {
  background-color: #ff6b6b;
  color: var(--color-bg);
}

.ep-clear-btn:hover {
  background-color: #ff5252;
  box-shadow: var(--shadow-md);
}

.ep-code-block {
  background-color: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 20px;
  font-family: var(--font-family-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-primary);
  overflow-x: auto;
  white-space: pre-wrap;
  word-wrap: break-word;
  max-height: none;
  overflow-y: visible;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.5);
  height: auto;
}

.ep-code-block::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.ep-code-block::-webkit-scrollbar-track {
  background: var(--color-input-bg);
  border-radius: 4px;
}

.ep-code-block::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

.ep-code-block::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-dark);
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.ep-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.ep-loading-message {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--color-accent);
  font-size: 14px;
  margin-top: 20px;
}

/* ============================================
   ERROR MESSAGES
   ============================================ */

.ep-error {
  background-color: rgba(255, 59, 48, 0.1);
  border: 1px solid rgba(255, 59, 48, 0.3);
  color: #ff6b6b;
  padding: 16px;
  border-radius: 8px;
  margin-top: 20px;
  font-size: 14px;
  display: none;
}

.ep-error.show {
  display: block;
  animation: slideUp 0.3s ease;
}

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

#colophon {
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 40px 20px;
  margin-top: 60px;
  text-align: center;
}

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

.footer-content {
  font-size: 14px;
  color: #808080;
  line-height: 1.8;
}

.footer-content a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-speed) ease;
}

.footer-content a:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

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

/* ============================================
   RESPONSIVE DESIGN - TABLETS (768px and below)
   ============================================ */

@media (max-width: 768px) {
  .ep-hero h1 {
    font-size: 36px;
    margin-bottom: 10px;
  }

  .ep-hero .subtitle {
    font-size: 16px;
    margin-bottom: 40px;
  }

  .ep-search-wrapper {
    flex-direction: column;
    gap: 16px;
    padding: 0;
    align-items: center;
  }

  .ep-search-input {
    width: 100%;
    padding: 12px 16px;
    font-size: 13px;
    border-radius: 8px;
  }

  .ep-search-btn {
    padding: 12px 32px;
    font-size: 12px;
    border-radius: 8px;
    width: auto;
  }

  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 30px;
  }

  .ep-pill {
    padding: 10px 14px;
    font-size: 12px;
  }

  .ep-code-block {
    padding: 16px;
    font-size: 12px;
    max-height: 400px;
  }

  .ep-copy-btn,
  .ep-clear-btn {
    padding: 10px 14px;
    font-size: 12px;
    width: auto;
    min-width: 80px;
  }

  .ep-error {
    font-size: 12px;
    padding: 12px;
  }

  #main {
    padding: 40px 16px;
  }

  .ep-container {
    padding: 0 16px;
  }
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE (480px and below)
   ============================================ */

@media (max-width: 480px) {
  body {
    font-size: 14px;
  }

  /* Hero Section - Espaçamento compacto */
  .ep-hero {
    padding: 20px 0 24px 0;
  }

  .ep-hero h1 {
    font-size: 26px;
    margin-bottom: 12px;
    line-height: 1.2;
  }

  .ep-hero .subtitle {
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.5;
    padding: 0 8px;
  }

  /* Search Section - Espaçamento otimizado */
  .ep-search-section {
    margin-bottom: 24px;
  }

  .ep-search-container {
    margin-bottom: 24px;
    padding: 0 4px;
  }

  .ep-search-wrapper {
    flex-direction: column;
    gap: 16px;
    padding: 0;
    align-items: center;
  }

  .ep-input-group {
    padding: 10px;
    border-radius: 8px;
  }

  .ep-search-input {
    width: 100%;
    padding: 24px 8px 8px 8px;
    font-size: 14px;
    border-radius: 6px;
    min-height: 100px;
  }

  .ep-char-limit {
    top: 6px;
    left: 10px;
    font-size: 10px;
  }

  /* Botão - Largura automática, centralizado */
  .ep-search-btn {
    width: auto;
    padding: 14px 32px;
    font-size: 13px;
    border-radius: 8px;
    margin: 0 auto;
  }

  /* Pills - Espaçamento uniforme */
  .ep-pills-label {
    font-size: 10px;
    margin-bottom: 12px;
    letter-spacing: 1.5px;
  }

  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 0;
    padding: 0 8px;
  }

  .ep-pill {
    padding: 8px 14px;
    font-size: 12px;
    border-radius: 20px;
  }

  /* Result Section */
  .ep-result-header {
    flex-direction: column;
    gap: 12px;
    align-items: stretch;
  }

  .ep-copy-btn,
  .ep-clear-btn {
    width: auto;
    padding: 10px 16px;
    font-size: 12px;
    min-width: 80px;
  }

  .ep-code-block {
    font-size: 12px;
    padding: 14px;
    max-height: 350px;
  }

  .ep-error {
    font-size: 12px;
    padding: 12px;
  }

  /* Container e Main */
  #main {
    padding: 16px 0;
  }

  .ep-container {
    padding: 0 16px;
  }

  /* Header */
  .site-title {
    font-size: 16px;
  }

  .site-header {
    padding: 12px 0;
  }

  /* Footer */
  .site-footer {
    padding: 20px 16px;
  }

  .footer-content p {
    font-size: 12px;
    line-height: 1.6;
  }
}



/* ============================================
   MODAL - SOBRE O AUTOR
   ============================================ */

.ep-modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s ease;
}

.ep-modal-overlay:target,
.ep-modal-overlay.show {
  display: flex;
}

.ep-modal {
  background-color: var(--color-code-bg);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 40px;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.4s ease;
  box-shadow: var(--shadow-md);
}

.ep-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--color-text-primary);
  font-size: 28px;
  cursor: pointer;
  padding: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color var(--transition-speed) ease;
}

.ep-modal-close:hover {
  color: var(--color-accent);
}

.ep-modal-content {
  padding-right: 20px;
}

.ep-modal-content::-webkit-scrollbar {
  width: 8px;
}

.ep-modal-content::-webkit-scrollbar-track {
  background: var(--color-input-bg);
  border-radius: 4px;
}

.ep-modal-content::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: 4px;
}

.ep-author-header {
  margin-bottom: 30px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 20px;
}

.ep-author-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 10px 0;
  letter-spacing: -0.5px;
}

.ep-author-title {
  font-size: 16px;
  color: #a0a0a0;
  margin: 0;
  font-weight: 500;
}

.ep-author-bio {
  margin-bottom: 30px;
}

.ep-author-bio p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-primary);
  margin-bottom: 16px;
}

.ep-author-bio h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent);
  margin: 24px 0 12px 0;
  letter-spacing: 0.5px;
}

.ep-author-cta {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

.ep-cta-button {
  background-color: var(--color-accent);
  color: var(--color-bg);
  padding: 12px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 14px;
  transition: all var(--transition-speed) ease;
  display: inline-block;
  text-decoration: none;
  letter-spacing: 0.5px;
}

.ep-cta-button:hover {
  background-color: var(--color-accent-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.ep-about-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
  transition: all var(--transition-speed) ease;
}

.ep-about-link:hover {
  color: var(--color-accent-dark);
  text-decoration: underline;
}

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

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

.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-width: 0;
}

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

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

@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--color-bg);
    color: var(--color-text-primary);
  }
}


/* ============================================
   RESPONSIVE DESIGN - MOBILE FIRST
   ============================================ */

/* Tablets (768px and up) */
@media (min-width: 768px) {
  .ep-container {
    padding: 0 30px;
  }

  .ep-hero h1 {
    font-size: 48px;
  }

  .ep-search-wrapper {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

  .ep-search-input {
    width: 100%;
  }

  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
  }

  .ep-pill {
    padding: 12px 20px;
    font-size: 14px;
  }
}

/* Desktops (1024px and up) */
@media (min-width: 1024px) {
  .ep-container {
    padding: 0 40px;
  }

  .ep-hero h1 {
    font-size: 56px;
  }

  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .ep-pill {
    padding: 14px 24px;
    font-size: 15px;
  }
}

/* Extra Large Desktops (1440px and up) */
@media (min-width: 1440px) {
  .ep-container {
    max-width: 1400px;
  }

  .ep-hero h1 {
    font-size: 64px;
  }

  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }
}

/* Mobile Specific Fixes */
@media (max-width: 767px) {
  /* Header */
  #masthead {
    padding: 16px 0;
  }

  .site-header {
    flex-direction: column;
    align-items: center;
    gap: 16px;
  }

  .site-logo {
    font-size: 20px;
  }

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

  .ep-hero h1 {
    font-size: 28px;
    line-height: 1.3;
    margin-bottom: 16px;
  }

  .ep-hero .subtitle {
    font-size: 14px;
    line-height: 1.5;
  }

  /* Search Section */
  .ep-search-section {
    padding: 30px 0;
  }

  .ep-search-wrapper {
    flex-direction: column;
    gap: 12px;
  }

  .ep-search-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    min-height: 48px;
  }

  .ep-search-input::placeholder {
    font-size: 12px;
    opacity: 0.7;
  }

  .ep-search-btn {
    width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 600;
    min-height: 48px;
  }

  /* Pills Container */
  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
  }

  .ep-pills-label {
    font-size: 13px;
    margin-bottom: 16px;
    text-align: center;
  }

  .ep-pill {
    padding: 12px 16px;
    font-size: 13px;
    border-radius: 6px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  /* Result Container */
  .ep-result-wrapper {
    padding: 20px 0;
  }

  .ep-result-container {
    padding: 20px;
    border-radius: 8px;
    font-size: 14px;
    max-height: 400px;
  }

  .ep-code-block {
    padding: 16px;
    font-size: 12px;
    max-height: 400px;
    border-radius: 6px;
  }

  .ep-copy-btn,
  .ep-clear-btn {
    width: auto;
    padding: 10px 16px;
    font-size: 12px;
    min-height: 40px;
    min-width: 80px;
  }

  /* Error Message */
  .ep-error {
    font-size: 13px;
    padding: 12px;
    margin-top: 16px;
  }

  /* Footer */
  #colophon {
    padding: 30px 0;
    text-align: center;
  }

  .site-footer-text {
    font-size: 12px;
    line-height: 1.6;
  }

  .site-footer-text a {
    display: inline-block;
    margin: 0 4px;
  }

  /* Modal */
  .ep-modal {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: 12px;
  }

  .ep-modal-content {
    padding: 24px;
    max-height: calc(90vh - 60px);
  }

  .ep-modal-header h2 {
    font-size: 20px;
  }

  .ep-modal-body {
    font-size: 14px;
    line-height: 1.6;
  }

  /* Ensure touch targets are at least 44px */
  button,
  a,
  input {
    min-height: 44px;
    min-width: 44px;
  }

  /* Better spacing for mobile */
  section {
    margin-bottom: 20px;
  }

  /* Prevent horizontal scroll */
  body,
  html {
    overflow-x: hidden;
    width: 100%;
  }
}

/* Extra Small Devices (320px - 480px) */
@media (max-width: 480px) {
  .ep-container {
    padding: 0 16px;
  }

  .ep-hero h1 {
    font-size: 24px;
    margin-bottom: 12px;
  }

  .ep-hero .subtitle {
    font-size: 13px;
  }

  .ep-pills-container {
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
  }

  .ep-pill {
    padding: 12px 14px;
    font-size: 12px;
  }

  .ep-search-input::placeholder {
    font-size: 11px;
  }

  .ep-code-block {
    font-size: 11px;
    padding: 12px;
  }

  .site-logo {
    font-size: 18px;
  }

  .ep-modal-content {
    padding: 16px;
  }
}

/* Landscape Mode */
@media (max-height: 600px) and (orientation: landscape) {
  .ep-hero {
    padding: 20px 0;
  }

  .ep-hero h1 {
    font-size: 32px;
    margin-bottom: 8px;
  }

  .ep-hero .subtitle {
    font-size: 13px;
  }

  .ep-search-section {
    padding: 16px 0;
  }

  .ep-pills-container {
    gap: 8px;
    margin-top: 12px;
  }

  .ep-pill {
    padding: 8px 12px;
    font-size: 12px;
  }
}

/* High DPI Screens */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .ep-code-block {
    border-width: 0.5px;
  }

  .ep-search-wrapper {
    border-width: 0.5px;
  }
}

/* Touch Devices */
@media (hover: none) and (pointer: coarse) {
  .ep-pill:active {
    background-color: var(--color-accent-dark);
    transform: scale(0.98);
  }

  .ep-search-btn:active {
    background-color: var(--color-accent-dark);
    transform: scale(0.98);
  }

  .ep-copy-btn:active {
    background-color: var(--color-accent-dark);
    transform: scale(0.98);
  }

  button {
    -webkit-tap-highlight-color: transparent;
  }
}


/* ============================================
   WHY WORKS SECTION (Collapsible)
   ============================================ */

.ep-why-works-section {
  margin-top: 24px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.ep-why-works-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
}

/* ============================================
   COLLAPSIBLE SECTION
   ============================================ */

.ep-logic-section {
  margin-top: 24px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.ep-collapsible {
  width: 100%;
  padding: 16px 20px;
  background-color: var(--color-code-bg);
  border: none;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-speed) ease;
  font-family: var(--font-family-primary);
}

.ep-collapsible:hover {
  background-color: rgba(0, 255, 65, 0.05);
  border-left: 3px solid var(--color-accent);
  padding-left: 17px;
}

.ep-collapsible-title {
  flex: 1;
  text-align: left;
}

.ep-collapsible-arrow {
  display: inline-block;
  transition: transform var(--transition-speed) ease;
  margin-left: 12px;
  color: var(--color-accent);
}

.ep-collapsible[aria-expanded="true"] .ep-collapsible-arrow {
  transform: rotate(180deg);
}

.ep-collapsible-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-speed) ease;
  background-color: var(--color-code-bg);
}

.ep-collapsible-content[hidden] {
  display: none;
}

.ep-logic-text {
  padding: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
}

/* ============================================
   DISCLAIMER SECTION (Collapsible)
   ============================================ */

.ep-disclaimer-section {
  margin-top: 24px;
  border: 1px solid rgba(255, 107, 107, 0.3);
  border-radius: 8px;
  overflow: hidden;
  animation: slideUp 0.3s ease;
}

.ep-collapsible-warning {
  background-color: rgba(255, 107, 107, 0.05);
  color: #ff6b6b;
}

.ep-collapsible-warning:hover {
  background-color: rgba(255, 107, 107, 0.1);
  border-left: 3px solid #ff6b6b;
}

.ep-collapsible-warning .ep-collapsible-arrow {
  color: #ff6b6b;
}

.ep-disclaimer-text {
  padding: 20px;
  background-color: rgba(255, 107, 107, 0.02);
}

.ep-disclaimer-text p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-primary);
  font-family: var(--font-family-primary);
}

/* ============================================
   RESPONSIVE STYLES
   ============================================ */

@media (max-width: 768px) {
  .ep-why-works-section,
  .ep-logic-section,
  .ep-disclaimer {
    margin-top: 16px;
    padding: 16px;
  }

  .ep-section-header h3 {
    font-size: 15px;
  }

  .ep-why-works-content,
  .ep-logic-text,
  .ep-disclaimer-content p {
    font-size: 13px;
  }

  .ep-collapsible {
    padding: 14px 16px;
    font-size: 13px;
  }

  .ep-disclaimer {
    gap: 12px;
  }

  .ep-disclaimer-icon {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .ep-why-works-section,
  .ep-logic-section,
  .ep-disclaimer {
    margin-top: 12px;
    padding: 12px;
  }

  .ep-section-header h3 {
    font-size: 14px;
  }

  .ep-why-works-content,
  .ep-logic-text,
  .ep-disclaimer-content p {
    font-size: 12px;
  }

  .ep-collapsible {
    padding: 12px;
    font-size: 12px;
  }

  .ep-logic-text {
    padding: 12px;
  }

  .ep-disclaimer {
    gap: 10px;
  }

  .ep-disclaimer-icon {
    font-size: 16px;
  }

  .ep-disclaimer-content h4 {
    font-size: 13px;
  }
}