/* ==========================================================================
   QUILLMARK — PRODUCTION EDITORIAL & COMMUNITY PUBLISHING STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Typography & Global Helpers
   -------------------------------------------------------------------------- */
.font-serif { font-family: var(--qm-font-serif); }
.font-sans  { font-family: var(--qm-font-sans); }
.font-mono  { font-family: var(--qm-font-mono); }

.text-primary   { color: var(--qm-primary) !important; }
.text-secondary { color: var(--qm-text-muted) !important; }
.text-accent    { color: var(--qm-accent) !important; }
.text-success   { color: var(--qm-success) !important; }
.text-error     { color: var(--qm-error) !important; }

.bg-surface     { background-color: var(--qm-surface); }
.bg-subtle      { background-color: var(--qm-bg); }
.border-subtle  { border-color: var(--qm-border); }

/* --------------------------------------------------------------------------
   2. Header & Navigation
   -------------------------------------------------------------------------- */
.qm-site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--qm-border);
  transition: all 0.2s ease;
}

[data-theme="dark"] .qm-site-header {
  background-color: rgba(15, 23, 42, 0.95);
  border-bottom-color: var(--qm-border-dark);
}

.qm-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 1.5rem;
}

.qm-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.qm-brand-logo {
  height: 38px;
  width: auto;
}

.qm-nav-desktop {
  display: none;
  align-items: center;
  gap: 1.75rem;
}

@media (min-width: 900px) {
  .qm-nav-desktop {
    display: flex;
  }
}

.qm-nav-link {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--qm-text-muted);
  padding: 0.5rem 0.25rem;
  position: relative;
  transition: color 0.15s ease;
}

.qm-nav-link:hover,
.qm-nav-link.active {
  color: var(--qm-primary);
}

.qm-nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--qm-primary);
  border-radius: var(--qm-radius-full);
}

.qm-header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.qm-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--qm-radius-md);
  transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  text-decoration: none;
}

.qm-btn-primary {
  background-color: var(--qm-primary);
  color: #ffffff !important;
  box-shadow: 0 1px 3px rgba(79, 70, 229, 0.3);
}

.qm-btn-primary:hover {
  background-color: var(--qm-primary-dark);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
  transform: translateY(-1px);
}

.qm-btn-subtle {
  background-color: transparent;
  color: var(--qm-text);
  border: 1px solid var(--qm-border);
}

.qm-btn-subtle:hover {
  background-color: var(--qm-border);
  color: var(--qm-text);
}

.qm-btn-ghost {
  color: var(--qm-text-muted);
  padding: 0.5rem;
  border-radius: var(--qm-radius-md);
}

.qm-btn-ghost:hover {
  color: var(--qm-text);
  background-color: rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .qm-btn-ghost:hover {
  background-color: rgba(255, 255, 255, 0.08);
}

/* User Profile & Menu Dropdown */
.qm-user-menu {
  position: relative;
}

.qm-avatar-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--qm-radius-full);
  overflow: hidden;
  border: 2px solid var(--qm-border);
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.qm-avatar-btn:hover {
  border-color: var(--qm-primary);
}

.qm-avatar-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.qm-dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 240px;
  background-color: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-lg);
  box-shadow: var(--qm-shadow-lg);
  padding: 0.5rem;
  display: none;
  z-index: 200;
  animation: qmFadeDown 0.15s ease;
}

.qm-dropdown-menu.show {
  display: block;
}

.qm-dropdown-header {
  padding: 0.75rem 0.75rem 0.5rem;
  border-bottom: 1px solid var(--qm-border);
  margin-bottom: 0.35rem;
}

.qm-dropdown-name {
  font-weight: 700;
  font-size: 0.9rem;
}

.qm-dropdown-user {
  font-size: 0.8rem;
  color: var(--qm-text-muted);
}

.qm-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--qm-radius-md);
  color: var(--qm-text);
}

.qm-dropdown-item:hover {
  background-color: var(--qm-bg);
  color: var(--qm-primary);
}

/* --------------------------------------------------------------------------
   3. Search Popup Modal
   -------------------------------------------------------------------------- */
.qm-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 5rem 1rem 1rem;
}

.qm-modal-backdrop.show {
  display: flex;
}

.qm-search-modal-box {
  width: 100%;
  max-width: 600px;
  background-color: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-xl);
  box-shadow: var(--qm-shadow-lg);
  overflow: hidden;
  animation: qmScaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.qm-search-input-wrap {
  display: flex;
  align-items: center;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--qm-border);
  gap: 0.75rem;
}

.qm-search-input-wrap input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1.05rem;
  background: transparent;
}

/* --------------------------------------------------------------------------
   4. Homepage Hero Section
   -------------------------------------------------------------------------- */
.qm-hero {
  padding: 4rem 0 3.5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--qm-border);
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.03) 0%, rgba(248, 250, 252, 0) 100%);
}

.qm-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 960px) {
  .qm-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
}

.qm-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  background-color: rgba(79, 70, 229, 0.08);
  color: var(--qm-primary);
  border-radius: var(--qm-radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
}

.qm-hero-title {
  font-size: 2.5rem;
  line-height: 1.15;
  font-weight: 900;
  color: var(--qm-text);
  margin-bottom: 1.25rem;
  letter-spacing: -0.03em;
}

@media (min-width: 768px) {
  .qm-hero-title {
    font-size: 3.5rem;
  }
}

.qm-hero-subtitle {
  font-size: 1.125rem;
  line-height: 1.6;
  color: var(--qm-text-muted);
  margin-bottom: 2rem;
  max-width: 540px;
}

.qm-hero-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}

.qm-hero-illustration {
  display: flex;
  justify-content: center;
}

.qm-hero-illustration img {
  width: 100%;
  max-width: 480px;
  height: auto;
}

/* --------------------------------------------------------------------------
   5. Editorial Post Cards
   -------------------------------------------------------------------------- */
.qm-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.qm-section-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.qm-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

@media (min-width: 640px) {
  .qm-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .qm-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.qm-card {
  background-color: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--qm-shadow-sm);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.qm-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--qm-shadow-md);
  border-color: rgba(79, 70, 229, 0.4);
}

.qm-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--qm-bg);
  overflow: hidden;
}

.qm-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.qm-card:hover .qm-card-media img {
  transform: scale(1.03);
}

.qm-card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  padding: 0.25rem 0.65rem;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-radius: var(--qm-radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--qm-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  box-shadow: var(--qm-shadow-sm);
}

[data-theme="dark"] .qm-card-badge {
  background-color: rgba(15, 23, 42, 0.9);
  color: #818CF8;
}

.qm-card-bookmark-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: var(--qm-radius-full);
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--qm-text-muted);
  box-shadow: var(--qm-shadow-sm);
  transition: all 0.15s ease;
}

.qm-card-bookmark-btn:hover,
.qm-card-bookmark-btn.active {
  color: var(--qm-primary);
  transform: scale(1.08);
}

.qm-card-body {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.qm-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 0.6rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qm-card-title a {
  color: var(--qm-text);
}

.qm-card-title a:hover {
  color: var(--qm-primary);
}

.qm-card-excerpt {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--qm-text-muted);
  margin-bottom: 1.25rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.qm-card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--qm-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.775rem;
  color: var(--qm-text-muted);
}

.qm-card-author {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qm-card-author-img {
  width: 24px;
  height: 24px;
  border-radius: var(--qm-radius-full);
  object-fit: cover;
}

.qm-card-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* --------------------------------------------------------------------------
   6. Single Article Page Layout
   -------------------------------------------------------------------------- */
.qm-article-header {
  padding: 2.5rem 0 1.5rem;
}

.qm-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--qm-text-muted);
  margin-bottom: 1.25rem;
}

.qm-breadcrumbs a:hover {
  color: var(--qm-primary);
}

.qm-article-title {
  font-size: 2.25rem;
  line-height: 1.2;
  font-weight: 900;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
}

@media (min-width: 768px) {
  .qm-article-title {
    font-size: 3rem;
  }
}

.qm-article-subtitle {
  font-size: 1.2rem;
  line-height: 1.5;
  color: var(--qm-text-muted);
  margin-bottom: 1.75rem;
}

/* Permanent Live URL Slug Banner */
.qm-article-slug-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background-color: var(--qm-bg);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-md);
  margin-bottom: 1.75rem;
  font-size: 0.8rem;
  gap: 0.75rem;
}

.qm-article-slug-text {
  font-family: var(--qm-font-mono);
  color: var(--qm-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.qm-article-meta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  border-top: 1px solid var(--qm-border);
  border-bottom: 1px solid var(--qm-border);
  margin-bottom: 2rem;
}

.qm-article-author-info {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.qm-article-author-avatar {
  width: 46px;
  height: 46px;
  border-radius: var(--qm-radius-full);
  object-fit: cover;
}

.qm-article-author-name {
  font-weight: 700;
  font-size: 0.95rem;
}

.qm-article-featured-image {
  border-radius: var(--qm-radius-xl);
  overflow: hidden;
  margin-bottom: 2.5rem;
  box-shadow: var(--qm-shadow);
}

.qm-article-featured-image img {
  width: 100%;
  height: auto;
  max-height: 520px;
  object-fit: cover;
}

/* Article Prose & Typography */
.qm-prose {
  font-size: 1.125rem;
  line-height: 1.8;
  color: var(--qm-text);
}

.qm-prose p {
  margin-bottom: 1.5rem;
}

.qm-prose h2 {
  font-size: 1.85rem;
  font-weight: 800;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1.25;
}

.qm-prose h3 {
  font-size: 1.45rem;
  font-weight: 700;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.qm-prose blockquote {
  border-left: 4px solid var(--qm-primary);
  padding-left: 1.25rem;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--qm-text-muted);
  margin: 2rem 0;
  background-color: rgba(79, 70, 229, 0.04);
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  border-radius: 0 var(--qm-radius-md) var(--qm-radius-md) 0;
}

.qm-prose pre {
  background-color: var(--qm-dark-bg);
  color: #F8FAFC;
  padding: 1.25rem;
  border-radius: var(--qm-radius-lg);
  overflow-x: auto;
  font-family: var(--qm-font-mono);
  font-size: 0.875rem;
  margin: 1.75rem 0;
}

.qm-prose ul, .qm-prose ol {
  margin: 1.25rem 0 1.5rem 1.75rem;
}

.qm-prose li {
  margin-bottom: 0.5rem;
}

/* Social Share Floating Bar */
.qm-share-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 2.5rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--qm-border);
  border-bottom: 1px solid var(--qm-border);
}

.qm-share-label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--qm-text-muted);
  margin-right: 0.5rem;
}

.qm-share-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--qm-radius-full);
  background-color: var(--qm-bg);
  border: 1px solid var(--qm-border);
  color: var(--qm-text-muted);
  transition: all 0.15s ease;
}

.qm-share-btn:hover {
  background-color: var(--qm-primary);
  color: #ffffff;
  border-color: var(--qm-primary);
}

/* --------------------------------------------------------------------------
   7. Frontend Post Creator & Editor
   -------------------------------------------------------------------------- */
.qm-editor-card {
  background-color: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-xl);
  padding: 2rem;
  box-shadow: var(--qm-shadow-sm);
  margin: 2.5rem 0;
}

.qm-form-group {
  margin-bottom: 1.5rem;
}

.qm-form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--qm-text);
}

.qm-form-control {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  background-color: var(--qm-bg);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-md);
  color: var(--qm-text);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.qm-form-control:focus {
  border-color: var(--qm-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.qm-rich-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem;
  background-color: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-bottom: none;
  border-radius: var(--qm-radius-md) var(--qm-radius-md) 0 0;
}

.qm-tool-btn {
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: var(--qm-radius-sm);
  color: var(--qm-text-muted);
}

.qm-tool-btn:hover {
  background-color: var(--qm-bg);
  color: var(--qm-text);
}

.qm-editor-textarea {
  min-height: 340px;
  font-family: var(--qm-font-serif);
  font-size: 1.05rem;
  line-height: 1.7;
  border-radius: 0 0 var(--qm-radius-md) var(--qm-radius-md) !important;
}

/* --------------------------------------------------------------------------
   8. User Dashboard & Stats
   -------------------------------------------------------------------------- */
.qm-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.qm-stat-card {
  background-color: var(--qm-surface);
  border: 1px solid var(--qm-border);
  border-radius: var(--qm-radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.qm-stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--qm-radius-md);
  background-color: rgba(79, 70, 229, 0.08);
  color: var(--qm-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.qm-stat-val {
  font-size: 1.5rem;
  font-weight: 800;
}

.qm-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--qm-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* --------------------------------------------------------------------------
   9. Footer
   -------------------------------------------------------------------------- */
.qm-site-footer {
  margin-top: auto;
  background-color: var(--qm-surface);
  border-top: 1px solid var(--qm-border);
  padding: 4rem 0 2rem;
}

.qm-footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.qm-footer-col h4 {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.25rem;
  color: var(--qm-text);
}

.qm-footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.qm-footer-links a {
  font-size: 0.875rem;
  color: var(--qm-text-muted);
}

.qm-footer-links a:hover {
  color: var(--qm-primary);
}

.qm-footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--qm-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.825rem;
  color: var(--qm-text-muted);
}

/* --------------------------------------------------------------------------
   10. Keyframes & Animations
   -------------------------------------------------------------------------- */
@keyframes qmFadeDown {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes qmScaleIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}