@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* ==========================================
   DESIGN TOKENS & RESPONSIVE VARIABLES
   ========================================== */
:root {
  /* Default: Dark Obsidian Theme (Mysterious, Anonymous) */
  --bg-color: #0a0a0c;
  --bg-card: #131316;
  --bg-card-hover: #1b1b20;
  --bg-modal: #131316;
  --text-primary: #f3f3f6;
  --text-secondary: #a1a1aa;
  --text-muted: #62626a;
  --accent-color: #d4b27f; /* Warm soft gold */
  --accent-hover: #e6c89c;
  --border-color: #222227;
  --shadow-color: rgba(0, 0, 0, 0.4);
  --button-bg: #222227;
  --button-text: #f3f3f6;
  --button-hover: #2e2e35;
  --input-bg: #18181c;
  
  --transition-speed: 0.35s;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Lora', Georgia, Cambria, "Times New Roman", Times, serif;
}

[data-theme="light"] {
  /* Light Theme (Warm Intellectual Paper) */
  --bg-color: #f7f4eb;
  --bg-card: #ffffff;
  --bg-card-hover: #faf9f6;
  --bg-modal: #ffffff;
  --text-primary: #1e1b18;
  --text-secondary: #5c564f;
  --text-muted: #8c8275;
  --accent-color: #b3884d; /* Warm amber bronze */
  --accent-hover: #966f38;
  --border-color: #e5dec9;
  --shadow-color: rgba(70, 50, 30, 0.08);
  --button-bg: #e5dec9;
  --button-text: #1e1b18;
  --button-hover: #d7cdb5;
  --input-bg: #fdfdfb;
}

/* ==========================================
   RESET & FOUNDATIONS
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
  overflow-x: hidden;
}

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

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

.brand-text {
  font-family: var(--font-serif);
  font-weight: 700;
  font-style: italic;
  color: var(--accent-color);
  letter-spacing: -0.01em;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: var(--font-sans);
}

/* ==========================================
   LAYOUT CONTAINERS
   ========================================== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

header {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border-color);
  background-color: rgba(10, 10, 12, 0.4);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  transition: background-color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

[data-theme="light"] header {
  background-color: rgba(247, 244, 235, 0.6);
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

/* ==========================================
   BUTTONS & CONTROLS
   ========================================== */
.btn {
  padding: 0.6rem 1.25rem;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-primary {
  background-color: var(--accent-color);
  color: #1e1b18;
  font-weight: 600;
}

.btn-primary:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--button-hover);
}

.btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--button-bg);
  color: var(--button-text);
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: var(--button-hover);
  transform: scale(1.05);
}

/* ==========================================
   HERO / MANIFESTO
   ========================================== */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
  animation: fadeIn 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 400;
  line-height: 1.45;
  color: var(--text-primary);
  margin-bottom: 2rem;
  font-style: italic;
}

.hero p {
  color: var(--text-secondary);
  font-size: 1.15rem;
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto;
}

/* ==========================================
   NAVIGATION / FILTERS
   ========================================== */
.filter-bar {
  margin: 2rem 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.5rem;
}

.filter-btn {
  padding: 0.4rem 1.1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  background-color: var(--button-bg);
  border: 1px solid var(--border-color);
  transition: all 0.25s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
  border-color: var(--text-muted);
}

.filter-btn.active {
  background-color: var(--accent-color);
  color: #1e1b18;
  border-color: var(--accent-color);
  font-weight: 600;
}

/* ==========================================
   ARTICLES GRID
   ========================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.article-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 20px var(--shadow-color);
  cursor: pointer;
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
  background-color: var(--bg-card-hover);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.article-category {
  color: var(--accent-color);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.article-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.35;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.article-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .article-footer {
  border-top: 1px solid rgba(0, 0, 0, 0.03);
}

.read-more-link {
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.read-more-link svg {
  transition: transform 0.2s ease;
}

.article-card:hover .read-more-link svg {
  transform: translateX(4px);
}

/* ==========================================
   CONTRIBUTOR BARRIER / SUBMIT SECTION
   ========================================== */
.contribute-section {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 3rem 2rem;
  text-align: center;
  max-width: 750px;
  margin: 4rem auto;
  box-shadow: 0 4px 20px var(--shadow-color);
}

.locked-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.locked-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: rgba(212, 178, 127, 0.1);
  color: var(--accent-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.locked-card h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--text-primary);
}

.locked-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 500px;
  line-height: 1.6;
}

/* Editor Form (Unlocked state) */
.editor-wrapper {
  text-align: left;
  display: none; /* Controlled by JS */
}

.editor-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
}

.editor-header h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--text-primary);
}

.editor-header p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.editor-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-control {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(212, 178, 127, 0.15);
}

textarea.form-control {
  min-height: 200px;
  resize: vertical;
  font-family: var(--font-serif);
  line-height: 1.7;
}

/* ==========================================
   MODAL POPUPS
   ========================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal-box {
  background-color: var(--bg-modal);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 2.5rem;
  position: relative;
}

.modal-backdrop.active .modal-box {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  color: var(--text-muted);
  font-size: 1.5rem;
  transition: color 0.2s ease;
}

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

.modal-title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.modal-subtitle {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}

/* Reader Modal (Larger size) */
.modal-box-reader {
  max-width: 800px;
  padding: 3.5rem;
}

.reader-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.reader-title {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.reader-content {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 3rem;
}

.reader-content p {
  margin-bottom: 1.5rem;
}

.reader-footer {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.download-restricted-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: flex-end;
}

.download-notice {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Auth forms specifically */
.auth-switch {
  margin-top: 1.5rem;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.auth-switch a {
  font-weight: 600;
}

/* Toast alert helper */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--bg-card);
  border: 1px solid var(--accent-color);
  color: var(--text-primary);
  padding: 1rem 1.5rem;
  border-radius: 8px;
  font-size: 0.9rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  z-index: 2000;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================
   KEYFRAME ANIMATIONS
   ========================================== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Screen utility to hide print elements */
.print-only {
  display: none;
}

@media print {
  /* Hide all screen interface elements completely to avoid empty space and margin bugs */
  header, main, footer, .modal-backdrop, .toast, .no-print {
    display: none !important;
  }

  body, html {
    background: #ffffff !important;
    color: #000000 !important;
    font-family: Georgia, serif !important;
    font-size: 12pt !important;
    line-height: 1.6 !important;
  }

  /* Show and format print container */
  #print-section {
    display: block !important;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: #ffffff !important;
    color: #000000 !important;
  }

  #print-section .print-header {
    font-size: 10pt;
    color: #555555;
    border-bottom: 1px solid #cccccc;
    padding-bottom: 8px;
    margin-bottom: 30px;
    font-family: 'Plus Jakarta Sans', -apple-system, sans-serif;
  }

  #print-section .print-title {
    font-size: 26pt;
    font-family: 'Lora', Georgia, serif;
    font-weight: bold;
    line-height: 1.25;
    margin-bottom: 20px;
    color: #000000;
  }

  #print-section .print-content {
    font-family: 'Lora', Georgia, serif;
    font-size: 12pt;
    line-height: 1.7;
    color: #000000;
  }

  #print-section .print-content p {
    margin-bottom: 14pt;
    text-align: justify;
  }

  #print-section .brand-text {
    font-family: 'Lora', Georgia, serif;
    font-weight: bold;
    font-style: italic;
    color: #000000 !important;
  }

  @page {
    margin: 2.5cm;
  }
}

/* ==========================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================== */
@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }

  .hero h2 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .articles-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .modal-box {
    padding: 1.75rem;
  }

  .modal-box-reader {
    padding: 2.25rem;
  }

  .reader-title {
    font-size: 1.85rem;
  }
}