:root{
  --bg-color: #f4f7fb;
  --card-color: #ffffff;
  --muted-color: #6b7280;
  --accent-color: #0f62fe;
  --accent-hover: #0a58d4;
  --border-color: #e6ecf2;
  --radius: 8px;
  --content-width: 800px; /* Reduzierte Breite für den Inhalt */
  --padding: 1rem;
  font-family: Inter, system-ui, sans-serif;
  color-scheme: light;
}

/* Base and Fullscreen Background */
* {
  box-sizing: border-box;
}
html, body {
  height: 100%;
}
body {
  margin: 0;
  min-height: 100%;
  background-color: var(--bg-color);
  font-size: 16px;
  line-height: 1.5;
  color: #1e293b;
}

/* Fullscreen Radial Gradient Effect */
.bg-full {
  background:
    radial-gradient(2800px 1000px at 10% 10%, rgba(15,99,230,0.06), transparent),
    linear-gradient(180deg, var(--bg-color), #ffffff 100%);
}

/* Utility */
.hidden { display: none !important; }

/* Main Header */
.main-header {
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.04);
}

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

.logo-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}
.logo-title a {
  color: inherit; 
  text-decoration: none; 
}
.logo-title a:hover {
  text-decoration: none; 
  opacity: 1.0; 
}

.logo-subtitle {
  font-size: 0.875rem;
  color: var(--muted-color);
  font-weight: 400;
}
.logo-tagline {
  margin: 0;
  font-size: 0.875rem;
  color: #475569;
}

/* Navigation Links (Login/Register) */
.header-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-link-btn {
  text-decoration: none;
  color: var(--accent-color);
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius);
  transition: background-color 0.15s;
}
.nav-link-btn:hover {
  background-color: #f0f4ff;
}
.nav-link-btn.primary {
  background-color: var(--accent-color);
  color: #ffffff;
  padding: 0.5rem 1rem;
}
.nav-link-btn.primary:hover {
  background-color: var(--accent-hover);
}

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

.user-profile-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: none;
  border: 1px solid var(--border-color);
  padding: 0.35rem 0.75rem 0.35rem 0.35rem;
  border-radius: 9999px; /* Pill shape */
  cursor: pointer;
  transition: background-color 0.15s, box-shadow 0.15s;
}
.user-profile-btn:hover {
  background-color: #f8fafc;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.profile-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}
.profile-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: #1e293b;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  z-index: 10;
  margin-top: 0.5rem;
  width: 160px;
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(0,0,0,0.08);
  padding: 0.25rem 0;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.5rem 1rem;
  text-decoration: none;
  color: #334155;
  font-size: 0.875rem;
  transition: background-color 0.15s;
}
.dropdown-item:hover {
  background-color: #f8fafc;
}
.logout-link {
  color: #ef4444; /* Red color for logout */
}

/* Main Content Layout */
.main-content-wrap {
  /* Full width so we can use viewport-based column sizes */
  max-width: none;
  width: 100%;
  margin: 2rem 0;
  padding: 0 var(--padding);
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  /* Use viewport-based sizing: left form ~20% of viewport, feed ~30% */
  .content-grid {
    grid-template-columns: 20vw 30vw;
    justify-content: center; /* center the two columns, leaving remaining space as margin */
    column-gap: 2rem;
  }
}

/* Post Form */
.post-form-section { order: 1; }
.post-form {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: var(--padding);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form-header > div {
  margin-bottom: 0.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: #1e293b;
}
.form-label-small {
  font-size: 0.8125rem;
  color: #475569;
}
.form-hint {
  font-size: 0.75rem;
  color: var(--muted-color);
}

.form-textarea, .form-input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid #d6dde6;
  border-radius: 6px;
  font-size: 0.9375rem;
  transition: box-shadow 0.15s, border-color 0.15s;
}
.form-textarea {
  min-height: 110px;
  resize: vertical;
}
.form-textarea:focus, .form-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 3px rgba(15, 99, 230, 0.2);
}

.image-preview-wrap {
  margin-top: 0.5rem;
}
.image-preview {
  max-width: 280px;
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  object-fit: contain;
}

.form-submit-row {
  display: flex;
  justify-content: flex-end;
}
.submit-button {
  background-color: var(--accent-color);
  color: #ffffff;
  padding: 0.6rem 1.25rem;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s, transform 0.1s;
}
.submit-button:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
}

/* Feed Section */
.feed-section { order: 2; }
.feed-container {
  background: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.03);
  display: flex;
  flex-direction: column;
}

.feed-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #334155;
  margin: 0 0 0.75rem 0;
}

.feed-scroll-area {
  max-height: 70vh; /* Höhe beibehalten */
  overflow-y: auto;
  padding-right: 10px; /* Platz für Scrollbar */
}
/* Style Scrollbar */
.feed-scroll-area::-webkit-scrollbar { width: 8px; }
.feed-scroll-area::-webkit-scrollbar-thumb { background-color: #cbd5e1; border-radius: 4px; }
.feed-scroll-area::-webkit-scrollbar-track { background-color: #f1f5f9; }

.messages {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Message Item */
.message {
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.02);
  overflow: hidden;
}

/* Backwards-compatible selectors for markup in `index.php` */
.message-item {
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(15,23,42,0.02);
  overflow: hidden;
}

.message-header {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
}

.msg-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.msg-meta {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.msg-user {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.msg-time {
  font-size: 0.75rem;
  color: var(--muted-color);
  margin-top: 2px;
}

.msg-image {
  padding: 0 1rem;
}

.msg-image .attached-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  cursor: zoom-in;
  margin: 0.5rem auto;
  border-radius: 6px;
}

.msg-content {
  padding: 0 1rem 1rem 1rem;
  font-size: 0.9375rem;
  color: #334155;
  white-space: pre-wrap;
}

.message img.post-image,
.attached-image {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 360px; /* cap visible height to avoid huge images */
  object-fit: contain;
  cursor: zoom-in;
  margin: 0.5rem auto;
  border-radius: 6px;
}

.message-body-wrap {
  padding: 1rem;
}

.message-header-row {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--border-color);
  flex-shrink: 0;
}

.message-text-meta-wrap {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.message-name-delete-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
}

.message-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-time {
  font-size: 0.75rem;
  color: var(--muted-color);
  margin-top: 2px;
}

.message-content {
  font-size: 0.9375rem;
  color: #334155;
  white-space: pre-wrap;
}

.empty {
  font-size: 0.875rem;
  color: var(--muted-color);
  margin-top: 0.75rem;
  text-align: center;
}


/* Popover/Dropdown Menu für Nachrichten (Drei Punkte) */
.message-menu-wrap {
  position: relative;
  flex-shrink: 0;
}
.message-menu-btn {
  background: none;
  border: none;
  color: #94a3b8;
  padding: 4px;
  margin: -4px;
  border-radius: 50%;
  cursor: pointer;
  transition: color 0.15s, background-color 0.15s;
}
.message-menu-btn:hover {
  color: #1e293b;
  background-color: #f1f5f9;
}
.message-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 10;
  margin-top: 4px;
  width: 140px;
  background-color: var(--card-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  padding: 4px 0;
}
.message-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 8px 16px;
  background: none;
  border: none;
  font-size: 0.875rem;
  cursor: pointer;
  color: #334155;
  transition: background-color 0.15s;
}
.message-dropdown button:hover {
  background-color: #f8fafc;
}
.message-dropdown button.delete-action {
  color: #ef4444;
}
.message-dropdown button.delete-action:hover {
  background-color: #fee2e2;
}


.popup-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.2s ease;
}

.popup-content {
  background: var(--card-color);
  padding: 30px;
  border-radius: var(--radius);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  max-width: 400px;
  width: 90%;
  text-align: center;
}

.popup-content h2 {
  margin-top: 0;
  font-size: 1.3rem;
}
.popup-content h2.warning-title {
  color: #ef4444;
}
.popup-content h2.success-title {
  color: #10b981;
}

.popup-content p {
  margin-bottom: 20px;
  font-size: 0.95rem;
  color: #334155;
}

.popup-actions {
  display: flex;
  gap: 15px;
  justify-content: center;
}

.popup-btn {
  text-decoration: none;
  padding: 10px 18px;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.15s;
}

.popup-btn.primary {
  background-color: var(--accent-color);
  color: white;
}
.popup-btn.primary:hover {
  background-color: var(--accent-hover);
}

.popup-btn.secondary {
  background-color: #e2e8f0;
  color: #334155;
}
.popup-btn.secondary:hover {
  background-color: #cbd5e1;
}

/* ------------------------------------------------------------------ */
/* Footer styles merged from footerStyle.css -------------------------- */
/* ------------------------------------------------------------------ */

.main-footer {
  max-width: var(--content-width);
  margin: 2rem auto;
  padding: 0 var(--padding);
  text-align: center;
  color: var(--muted-color);
  font-size: 0.875rem;
}

/* --- Verbesserter Footer-Style (Beispiel) --- */
.main-footer {
  background-color: var(--primary-dark-color, #1a1a1a); /* Dunklerer Hintergrund für den Footer */
  color: #fff;
  padding: 20px 0;
  margin-top: auto; /* Zwingt den Footer, den gesamten vertikalen Raum einzunehmen (der "sticky" Teil) */
  width: 100%;
  border-top: 1px solid var(--border-color, #333);
}

.footer-content-wrap {
  display: flex;
  justify-content: space-around;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  flex-wrap: wrap; /* Erlaubt Umbruch auf kleinen Bildschirmen */
}

.footer-logo, .footer-nav, .footer-info {
  min-width: 150px;
  margin-bottom: 20px;
}

.main-footer h4 {
  color: var(--accent-color, #f4b400);
  font-size: 1.1em;
  margin-bottom: 10px;
}

.main-footer ul {
  list-style: none;
  padding: 0;
}

.main-footer a {
  color: #ccc;
  text-decoration: none;
  line-height: 1.6;
}

.main-footer a:hover {
  text-decoration: underline;
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid var(--border-color, #333);
  text-align: center;
  padding-top: 10px;
  font-size: 0.75em;
  color: #aaa;
}

.footer-bottom small {
  display: block; 
  margin-bottom: 5px;
}

/* Footer - enhanced sizing, responsive layout and components */
:root {
  --footer-bg: var(--primary-dark-color, #111827);
  --footer-foreground: #e5e7eb;
  --footer-muted: #9ca3af;
  --footer-accent: var(--accent-color);
}

.main-footer {
  background: linear-gradient(180deg, var(--footer-bg), #0f172a);
  color: var(--footer-foreground);
  padding: 28px 0;
}

.footer-content-wrap {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.footer-logo .logo-title {
  margin: 0 0 6px 0;
  color: #fff;
  font-size: 1.125rem;
}
.footer-logo .logo-tagline {
  margin: 0;
  color: var(--footer-muted);
  font-size: 0.9rem;
}

.footer-nav h4,
.footer-subscribe h4 {
  margin: 0 0 8px 0;
  color: var(--footer-foreground);
  font-size: 1rem;
}

.footer-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav li { margin: 6px 0; }
.footer-nav a {
  color: var(--footer-muted);
  text-decoration: none;
}
.footer-nav a:hover { color: var(--footer-foreground); text-decoration: underline; }

.footer-social-wrap { max-width: 220px; }
.footer-social { margin-top: 8px; display:flex; gap:8px; }
.social-link { display:inline-flex; align-items:center; justify-content:center; width:36px; height:36px; border-radius:8px; color:var(--footer-foreground); background: rgba(255,255,255,0.03); text-decoration:none; }
.social-link svg { display:block; }
.social-link:hover { background: rgba(255,255,255,0.06); }

.footer-bottom { margin-top: 18px; color: var(--footer-muted); padding-top: 16px; }

@media (max-width: 700px) {
  .footer-content-wrap { flex-direction: column; align-items: center; text-align: center; }
  .footer-nav, .footer-subscribe { width: 100%; }
  .subscribe-form { justify-content: center; }
  .subscribe-form input[type="email"] { width: 60%; }
}