/**
 * PS Chat – Modern Phase 1 CSS
 * 
 * Ziel: Top-Priority Modernisierungen ohne Breaking Changes
 * 
 * Nutzen:
 * 1. Kopiere diese Datei nach PSC lädt
 * 2. Lade in psource-chat.php:
 *    wp_enqueue_style( 'psource-chat-modern-p1', 
 *      plugins_url('css/psource-chat-modern-phase1.css', __FILE__)
 *    );
 * 
 * Status: Opt-In, funktioniert mit bestehenden Settings
 */

/* ============================================================
   1. CSS Custom Properties (Variables)
   ============================================================ */

:root {
  /* SPACING SYSTEM */
  --psource-spacing-xs: 0.25rem;  /* 4px */
  --psource-spacing-sm: 0.5rem;   /* 8px */
  --psource-spacing-md: 1rem;     /* 16px */
  --psource-spacing-lg: 1.5rem;   /* 24px */
  --psource-spacing-xl: 2rem;     /* 32px */

  /* TYPOGRAPHY */
  --psource-font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", 
                             Roboto, "Helvetica Neue", Arial, sans-serif;
  --psource-font-size-sm: 0.875rem;  /* 14px */
  --psource-font-size-base: 1rem;     /* 16px */
  --psource-font-size-lg: 1.125rem;  /* 18px */
  --psource-font-size-xl: 1.25rem;   /* 20px */
  --psource-line-height-tight: 1.4;
  --psource-line-height-base: 1.6;

  /* COLORS (Light Theme Defaults) */
  --psource-color-primary: #007bff;
  --psource-color-success: #28a745;
  --psource-color-danger: #dc3545;
  --psource-color-warning: #ffc107;
  --psource-color-info: #17a2b8;
  
  --psource-color-bg-default: #ffffff;
  --psource-color-bg-secondary: #f8f9fa;
  --psource-color-bg-tertiary: #e9ecef;
  
  --psource-color-text-primary: #212529;
  --psource-color-text-secondary: #6c757d;
  --psource-color-text-tertiary: #adb5bd;
  
  --psource-color-border: #dee2e6;
  --psource-color-border-light: #e9ecef;
  --psource-color-border-dark: #495057;

  /* SHADOWS */
  --psource-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --psource-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
                       0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --psource-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
                       0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* BORDER RADIUS */
  --psource-border-radius-sm: 0.25rem;
  --psource-border-radius-base: 0.5rem;
  --psource-border-radius-lg: 0.75rem;

  /* TRANSITIONS */
  --psource-transition-duration: 0.2s;
  --psource-transition-timing: ease-in-out;

  /* CENTRAL UI TOKENS */
  --psource-chat-density-gap: 0.375rem;
  --psource-chat-density-padding: 0.5rem;
  --psource-chat-header-padding-y: 0.4rem;
  --psource-chat-header-padding-x: 0.6rem;
  --psource-chat-title-size: 1.05rem;
  --psource-chat-control-size: 1.95rem;
  --psource-chat-control-icon-size: 0.95rem;
  --psource-chat-control-radius: 0.35rem;
  --psource-chat-avatar-size: 40px;
  --psource-chat-avatar-gap: 0.45rem;
  --psource-chat-input-min-height: 2.75rem;
  --psource-chat-input-max-height: 7.5rem;
  --psource-chat-meta-font-size: 0.95rem;
  --psource-chat-row-padding-y: 0.45rem;
  --psource-chat-row-padding-x: 0.6rem;
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --psource-color-bg-default: #1e1e1e;
    --psource-color-bg-secondary: #2d2d2d;
    --psource-color-bg-tertiary: #3a3a3a;
    
    --psource-color-text-primary: #e9ecef;
    --psource-color-text-secondary: #adb5bd;
    --psource-color-text-tertiary: #6c757d;
    
    --psource-color-border: #495057;
    --psource-color-border-light: #3a3a3a;
    --psource-color-border-dark: #6c757d;
  }
}

/* ============================================================
   2. Box Container – Flexbox Basis
   ============================================================ */

div.psource-chat-box {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  font-family: var(--psource-font-family-base);
  font-size: var(--psource-font-size-base);
  line-height: var(--psource-line-height-base);
  color: var(--psource-color-text-primary);
  background: var(--psource-color-bg-default);
  border-radius: var(--psource-border-radius-base);
  overflow: hidden;
}

/* Keep resize handles usable when jQuery UI resizable is active */
div.psource-chat-box.ui-resizable {
  overflow: visible;
}

div.psource-chat-box.ui-resizable .ui-resizable-handle {
  z-index: 30;
}

/* ============================================================
   3. Message Row – Flexbox Layout (CRITICAL)
   ============================================================ */

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--psource-chat-density-gap);
  padding: var(--psource-chat-row-padding-y) var(--psource-chat-row-padding-x);
  margin: 0;
  border-top: 1px solid var(--psource-color-border-light);
  border-bottom: 1px solid var(--psource-color-border-light);
  background: var(--psource-color-bg-default);
  clear: none;
  float: none; /* Override old float */
  width: 100%;
}

/* Avatar – Fixed Size */
div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row a.psource-chat-user-avatar {
  flex-shrink: 0;
  width: var(--psource-chat-avatar-size);
  height: var(--psource-chat-avatar-size);
  margin: 0;
  margin-right: var(--psource-chat-avatar-gap);
  overflow: hidden;
  border-radius: var(--psource-border-radius-base);
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row a.psource-chat-user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Moderator: Avatar rechts */
div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row-moderator a.psource-chat-user-avatar {
  order: 2;
  margin-right: 0;
  margin-left: var(--psource-spacing-sm);
}

/* Content Flex-Grow */
div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-content {
  flex: 1;
  min-width: 0; /* Wichtig für Text-Overflow */
  display: flex;
  flex-direction: column;
  gap: var(--psource-spacing-xs);
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-header {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 0.35rem;
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-author {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  min-width: 0;
  flex: 1 1 100%;
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-author-meta {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
  min-width: 0;
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-author a.psource-chat-user-name {
  color: var(--psource-color-text-primary);
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
  line-height: 1.15;
  max-width: 16ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-author a.psource-chat-user-name:hover {
  text-decoration: underline;
}

div.psource-chat-box div.psource-chat-module-messages-list time.psource-chat-row-timestamp {
  display: block;
  margin: 0;
  white-space: normal;
  font-size: 0.72rem;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--psource-color-text-secondary);
}

/* Meta (Name + Date) */
div.psource-chat-box div.psource-chat-module-messages-list span.name {
  float: none;
  font-weight: 600;
  color: var(--psource-color-text-primary);
  margin: 0;
}

div.psource-chat-box div.psource-chat-module-messages-list span.date,
div.psource-chat-box div.psource-chat-module-messages-list span.time {
  float: none;
  font-size: var(--psource-font-size-sm);
  color: var(--psource-color-text-secondary);
  margin: 0;
}

/* Message Text */
div.psource-chat-box div.psource-chat-module-messages-list span.message,
div.psource-chat-box div.psource-chat-module-messages-list p.psource-chat-message {
  line-height: var(--psource-line-height-base);
  display: block;
  margin: 0;
  padding: 0;
  word-wrap: break-word;
  word-break: break-word;
  overflow-wrap: break-word;
  min-height: auto;
  color: var(--psource-color-text-primary);
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-content {
  width: 100%;
  margin-top: 0.1rem;
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row.psource-chat-row-has-avatar .psource-chat-row-content {
  padding-left: calc(var(--psource-chat-avatar-size) + var(--psource-chat-avatar-gap));
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row.psource-chat-row-has-avatar.psource-chat-row-moderator .psource-chat-row-content {
  padding-left: 0;
  padding-right: calc(var(--psource-chat-avatar-size) + var(--psource-chat-avatar-gap));
}

div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-content p.psource-chat-message {
  background: var(--psource-color-bg-secondary);
  border: 1px solid var(--psource-color-border-light);
  border-radius: 0.45rem;
  padding: 0.38rem 0.5rem;
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row-moderator .psource-chat-row-content p.psource-chat-message {
  background: #eef5ff;
  border-color: #d7e7ff;
}

/* Admin Actions */
div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row ul.psource-chat-row-footer {
  flex-basis: 100%;
  display: flex;
  gap: var(--psource-chat-density-gap);
  flex-wrap: wrap;
  clear: both;
  padding: var(--psource-spacing-xs) 0 0;
  font-size: 0.82rem;
  margin: 0;
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row ul.psource-chat-row-footer li {
  float: none;
  list-style: none;
  margin: 0;
  padding: 0;
  min-height: 1.6rem;
  display: flex;
  align-items: center;
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row ul.psource-chat-row-footer li a {
  color: var(--psource-color-primary);
  text-decoration: none;
  padding: 0.05rem 0.35rem;
  border-radius: var(--psource-border-radius-sm);
  transition: background-color var(--psource-transition-duration) var(--psource-transition-timing);
}

div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row ul.psource-chat-row-footer li a:hover {
  background-color: var(--psource-color-bg-secondary);
}

/* ============================================================
   4. Textarea + Input Area
   ============================================================ */

div.psource-chat-box div.psource-chat-module-message-area {
  margin-top: auto; /* Stellt Input ans Ende */
  padding: var(--psource-chat-density-padding);
  background: var(--psource-color-bg-secondary);
  border-top: 1px solid var(--psource-color-border);
  flex: 0 0 auto;
}

div.psource-chat-box div.psource-chat-module-message-area form.psource-chat-input-form {
  margin: 0;
  padding: 0;
}

div.psource-chat-box div.psource-chat-module-message-area div.psource-chat-input-wrapper {
  display: flex;
  align-items: flex-end;
  gap: var(--psource-chat-density-gap);
}

div.psource-chat-box div.psource-chat-module-message-area div.psource-chat-input-wrapper textarea.psource-chat-send {
  flex: 1 1 auto;
  min-width: 0;
  width: auto;
  box-sizing: border-box;
}

div.psource-chat-box div.psource-chat-module-message-area textarea.psource-chat-send {
  float: none;
  width: 100%;
  min-height: var(--psource-chat-input-min-height);
  max-height: var(--psource-chat-input-max-height);
  padding: 0.42rem 0.55rem;
  border: 1px solid var(--psource-color-border);
  border-radius: var(--psource-border-radius-sm);
  font-family: var(--psource-font-family-base);
  font-size: var(--psource-chat-meta-font-size);
  line-height: 1.35;
  cursor: text !important;
  caret-color: var(--psource-color-primary);
  resize: vertical;
  transition: border-color var(--psource-transition-duration) var(--psource-transition-timing);
}

div.psource-chat-box div.psource-chat-module-message-area button.psource-chat-send-button {
  width: var(--psource-chat-control-size) !important;
  height: var(--psource-chat-control-size) !important;
  min-width: var(--psource-chat-control-size) !important;
  min-height: var(--psource-chat-control-size) !important;
  border-radius: var(--psource-chat-control-radius) !important;
  padding: 0 !important;
}

div.psource-chat-box div.psource-chat-module-message-area textarea.psource-chat-send:focus {
  outline: none;
  border-color: var(--psource-color-primary);
  caret-color: var(--psource-color-primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

div.psource-chat-box div.psource-chat-module-message-area textarea.psource-chat-send:disabled {
  background-color: var(--psource-color-bg-tertiary);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Meta Buttons */
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta {
  float: none !important;
  display: flex !important;
  justify-content: flex-start !important;
  align-items: center !important;
  flex-wrap: nowrap !important;
  gap: 0.28rem;
  list-style: none !important;
  margin: 0.2rem 0 0 0 !important;
  padding: 0 !important;
  width: 100% !important;
  min-width: 0;
  box-sizing: border-box;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li {
  float: none !important;
  list-style: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* Emojis on LEFT */
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-send-input-emoticons {
  float: none !important;
  margin-right: 0 !important;
}

/* Actions left, status/counter right */
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-send-input-emoticons {
  order: 1;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-action-menu-item-file-upload {
  order: 2;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-action-menu-item-sound-on,
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-action-menu-item-sound-off {
  order: 3;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-send-input-length {
  order: 99;
  margin-left: auto !important;
  flex: 0 0 auto;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li a,
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-height: var(--psource-chat-control-size);
  min-width: var(--psource-chat-control-size);
  padding: 0.2rem !important;
  border: 1px solid var(--psource-color-border) !important;
  border-radius: var(--psource-chat-control-radius);
  background: var(--psource-color-bg-default) !important;
  color: var(--psource-color-text-primary) !important;
  cursor: pointer;
  transition: all var(--psource-transition-duration) var(--psource-transition-timing);
  float: none !important;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li img,
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li svg {
  width: var(--psource-chat-control-icon-size) !important;
  height: var(--psource-chat-control-icon-size) !important;
}

div.psource-chat-box div.psource-chat-module-message-area li.psource-chat-send-input-length {
  font-size: 0.8rem;
  color: var(--psource-color-text-secondary);
  min-width: 2.6rem;
  line-height: 1;
}

div.psource-chat-box div.psource-chat-module-message-area li.psource-chat-send-input-length span.psource-chat-character-count {
  color: var(--psource-color-text-primary);
  font-weight: 600;
}

div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li a:hover,
div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta li button:hover {
  background: var(--psource-color-bg-secondary) !important;
  border-color: var(--psource-color-primary) !important;
}

div.psource-chat-box div.psource-chat-module-message-area nav.psource-chat-send-meta-nav {
  display: block;
}

/* Admin corner-chat parity: enforce frontend proportions inside wp-admin */
body.wp-admin div.psource-chat-box.psource-chat-box-site {
  box-sizing: border-box;
  max-width: calc(100vw - 8px);
  font-family: var(--psource-font-family-base) !important;
  font-size: var(--psource-font-size-base) !important;
  line-height: var(--psource-line-height-base) !important;
  right: 0;
  left: auto;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site,
body.wp-admin div.psource-chat-box.psource-chat-box-site * {
  box-sizing: border-box;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area div.psource-chat-input-wrapper {
  display: grid !important;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.3rem;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area div.psource-chat-input-wrapper textarea.psource-chat-send {
  width: 100% !important;
  min-width: 0 !important;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area ul.psource-chat-send-meta {
  overflow: hidden;
  margin: 0.2rem 0 0 0 !important;
  padding: 0 !important;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area ul.psource-chat-send-meta li.psource-chat-send-input-length {
  min-width: 2.6rem;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area ul.psource-chat-send-meta li {
  margin: 0 !important;
  line-height: 1 !important;
}

body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area textarea.psource-chat-send,
body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area button.psource-chat-send-button,
body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area ul.psource-chat-send-meta li a,
body.wp-admin div.psource-chat-box.psource-chat-box-site div.psource-chat-module-message-area ul.psource-chat-send-meta li button {
  font: inherit !important;
  line-height: normal !important;
}

/* Dashboard widget compatibility: neutralize legacy inline colors/spacing */
div.psource-chat-box.psource-chat-dashboard-widget {
  border: 0 !important;
}

div.psource-chat-box.psource-chat-dashboard-widget div.psource-chat-module-message-area ul.psource-chat-send-meta {
  background: transparent !important;
}

div.psource-chat-box.psource-chat-dashboard-widget div.psource-chat-module-header {
  box-shadow: none;
}

/* ============================================================
   5. Header
   ============================================================ */

div.psource-chat-box div.psource-chat-module-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--psource-chat-header-padding-y) var(--psource-chat-header-padding-x);
  background: linear-gradient(135deg, var(--psource-color-bg-secondary) 0%, 
                                      var(--psource-color-bg-tertiary) 100%);
  border-bottom: 1px solid var(--psource-color-border);
  box-shadow: var(--psource-shadow-sm);
  flex-shrink: 0;
}

div.psource-chat-box div.psource-chat-module-header div.psource-chat-module-header-title {
  font-size: var(--psource-chat-title-size);
  font-weight: 600;
  color: var(--psource-color-text-primary);
  margin: 0;
  min-width: 0;
}

div.psource-chat-box div.psource-chat-module-header .psource-chat-title-text {
  display: inline-block;
  max-width: 12ch;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

div.psource-chat-box div.psource-chat-module-header div.psource-chat-module-header-actions ul.psource-chat-actions-menu {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

div.psource-chat-box div.psource-chat-module-header div.psource-chat-module-header-actions ul.psource-chat-actions-menu li a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 0.25rem;
}

/* ============================================================
   6. Messages Container
   ============================================================ */

div.psource-chat-box div.psource-chat-module-messages-list {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0;
  margin: 0;
  background: var(--psource-color-bg-default);
  border: none;
  display: flex;
  flex-direction: column;
}

/* Message Scroll Styling */
div.psource-chat-box div.psource-chat-module-messages-list::-webkit-scrollbar {
  width: 8px;
}

div.psource-chat-box div.psource-chat-module-messages-list::-webkit-scrollbar-track {
  background: var(--psource-color-bg-secondary);
}

div.psource-chat-box div.psource-chat-module-messages-list::-webkit-scrollbar-thumb {
  background: var(--psource-color-border);
  border-radius: 4px;
}

div.psource-chat-box div.psource-chat-module-messages-list::-webkit-scrollbar-thumb:hover {
  background: var(--psource-color-text-secondary);
}

/* ============================================================
   7. Mobile Responsive (320px – 768px)
   ============================================================ */

@media (max-width: 768px) {
  /* Full Width */
  div.psource-chat-box {
    width: 100vw !important;
    max-width: 100vw;
    margin: 0;
    border-radius: 0;
  }

  /* Reduced Padding on Mobile */
  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row {
    padding: var(--psource-spacing-sm);
    gap: var(--psource-spacing-xs);
  }

  div.psource-chat-box div.psource-chat-module-header {
    padding: var(--psource-spacing-sm);
  }

  div.psource-chat-box div.psource-chat-module-message-area {
    padding: var(--psource-spacing-sm);
  }

  /* Smaller Avatar on Mobile */ 
  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row a.psource-chat-user-avatar {
    width: 32px;
    height: 32px;
  }

  /* Hide Users List on Mobile */
  div.psource-chat-box div.psource-chat-users-list {
    display: none !important;
  }

  /* Buttons Full Width on Small Screens */
  div.psource-chat-box div.psource-chat-module-message-area ul.psource-chat-send-meta {
    flex-wrap: wrap;
  }
}

@media (max-width: 420px) {
  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row.psource-chat-row-has-avatar .psource-chat-row-content,
  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row.psource-chat-row-has-avatar.psource-chat-row-moderator .psource-chat-row-content {
    padding-left: 0;
    padding-right: 0;
  }

  div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-header {
    align-items: flex-start;
    gap: 0.2rem;
  }

  div.psource-chat-box div.psource-chat-module-messages-list time.psource-chat-row-timestamp {
    display: block;
    font-size: 0.76rem;
  }

  div.psource-chat-box div.psource-chat-module-messages-list .psource-chat-row-author a.psource-chat-user-name {
    max-width: 10ch;
  }
}

/* ============================================================
   8. Tablet (768px – 1024px)
   ============================================================ */

@media (min-width: 768px) and (max-width: 1024px) {
  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row {
    padding: var(--psource-spacing-md);
  }

  div.psource-chat-box div.psource-chat-module-message-area textarea.psource-chat-send {
    min-height: 80px;
  }
}

/* ============================================================
   9. Desktop (1024px+)
   ============================================================ */

@media (min-width: 1024px) {
  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row {
    padding: var(--psource-spacing-lg);
  }

  div.psource-chat-box div.psource-chat-module-messages-list div.psource-chat-row a.psource-chat-user-avatar {
    width: 48px;
    height: 48px;
  }
}

/* ============================================================
   10. Accessibility & Utility Classes
   ============================================================ */

/* Focus Visible für Keyboard Navigation */
div.psource-chat-box a:focus-visible,
div.psource-chat-box button:focus-visible {
  outline: 2px solid var(--psource-color-primary);
  outline-offset: 2px;
}

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

/* Print Styles */
@media print {
  div.psource-chat-box div.psource-chat-module-message-area {
    display: none;
  }

  div.psource-chat-box div.psource-chat-module-header ul.psource-chat-actions-menu {
    display: none;
  }
}

/* ============================================================
   11. Utility Classes (Optional)
   ============================================================ */

.psource-chat-hidden {
  display: none !important;
}

.psource-chat-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;
}

.psource-chat-opacity-50 {
  opacity: 0.5;
}

.psource-chat-opacity-75 {
  opacity: 0.75;
}

/* ============================================================
   ENDE – Modern Phase 1
   ============================================================ */