/* Promptheus Ember — Chat-UI Styles */
/* Dark theme, Ember/Glut — Red Glass to Orange */

:root {
  --bg: #111114;
  --bg-surface: #1a1a1e;
  --bg-elevated: #222228;
  --bg-hover: #2c2c33;
  --border: #35353d;
  --border-light: #444450;
  --text: #f0ece7;
  --text-muted: #a8a096;
  --text-dim: #736b62;
  --ember: #e8913a;
  --ember-glow: #f4a54a;
  --ember-dim: #c47028;
  --ember-bg: rgba(232, 145, 58, 0.06);
  --glass-from: #c4302b;
  --glass-to: #e8913a;
  --glass-gradient: linear-gradient(135deg, var(--glass-from), var(--glass-to));
  --glass-shine: linear-gradient(135deg, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0.05) 50%, rgba(255,255,255,0) 100%);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 2px 12px rgba(196, 48, 43, 0.25);
  --success: #4ade80;
  --error: #ef4444;
  --radius: 10px;
  --radius-sm: 7px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* --- Header --- */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-size: 17px;
  font-weight: 600;
  color: var(--ember);
  letter-spacing: -0.3px;
}

.logo span {
  color: var(--text-muted);
  font-weight: 400;
  font-size: 13px;
  margin-left: 8px;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-icon {
  display: none;
}

/* --- Glass Buttons --- */

.btn {
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.btn:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-light);
}

.btn-ember {
  background: var(--glass-gradient);
  color: #fff;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  font-weight: 500;
}

.btn-ember::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
}

.btn-ember:hover {
  box-shadow: 0 4px 20px rgba(196, 48, 43, 0.35);
  filter: brightness(1.08);
}

/* --- Sidebar (Conversations) --- */

.layout {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* --- Activity Bar --- */

.activity-bar {
  width: 48px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 8px 0;
  gap: 2px;
  flex-shrink: 0;
}

.activity-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 8px;
  transition: all 0.15s;
  position: relative;
}

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

.activity-btn.active {
  color: var(--ember);
}

.activity-btn.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  background: var(--ember);
  border-radius: 0 2px 2px 0;
}

.activity-spacer {
  flex: 1;
}

@media (max-width: 768px) {
  .activity-bar {
    display: none;
  }
}

/* Hide panel buttons in header on desktop (activity bar replaces them) */
@media (min-width: 769px) {
  #files-btn,
  #changelog-btn,
  #assets-btn,
  #inspirations-btn,
  #new-chat-btn {
    display: none !important;
  }
}

.sidebar {
  width: 250px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: none;
  flex-direction: column;
  flex-shrink: 0;
}
.sidebar.sidebar-visible {
  display: flex;
}

.sidebar-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.sidebar-header h3 {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.sidebar-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px;
}

.conv-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 1px;
  transition: background 0.15s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.conv-item:hover {
  background: var(--bg-hover);
}

.conv-item.active {
  background: var(--ember-bg);
  border: 1px solid rgba(232, 145, 58, 0.15);
}

.conv-item .conv-content {
  flex: 1;
  min-width: 0;
}

.conv-item .conv-preview {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conv-item .conv-date {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 3px;
}

.conv-delete {
  display: none;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 18px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  line-height: 1;
  flex-shrink: 0;
}

.conv-delete:hover {
  color: var(--error);
  background: rgba(239, 68, 68, 0.1);
}

.conv-item:hover .conv-delete {
  display: block;
}

/* --- Chat Area --- */

.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.chat-area::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(196, 48, 43, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 145, 58, 0.08) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 0%, transparent 100%);
}

.chat-area::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg,
      rgba(196, 48, 43, 0.14) 0%,
      rgba(180, 60, 40, 0.08) 25%,
      transparent 45%,
      rgba(200, 100, 40, 0.06) 65%,
      rgba(232, 145, 58, 0.10) 100%);
  pointer-events: none;
  z-index: 0;
}

.chat-area > * {
  position: relative;
  z-index: 1;
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.message {
  max-width: 78%;
  padding: 11px 15px;
  border-radius: var(--radius);
  font-size: 14px;
  line-height: 1.6;
  word-wrap: break-word;
}

.message-user {
  align-self: flex-end;
  background: var(--glass-gradient);
  color: #fff;
  border-bottom-right-radius: 3px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 1px 8px rgba(196, 48, 43, 0.15);
  position: relative;
}

.message-user::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
}

.message-assistant {
  align-self: flex-start;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-bottom-left-radius: 3px;
}

.message-assistant p {
  margin-bottom: 8px;
}

.message-assistant p:last-child {
  margin-bottom: 0;
}

.message-assistant code {
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.message-assistant pre {
  background: var(--bg);
  padding: 12px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 8px 0;
  border: 1px solid var(--border);
}

.message-assistant pre code {
  background: none;
  padding: 0;
}

/* Thinking logo (streaming bubble) */
.thinking-logo {
  display: flex;
  align-items: center;
  padding: 4px 0;
  animation: pulse-glow 1.5s ease-in-out infinite;
}

.thinking-logo svg {
  width: 36px;
  height: 18px;
  filter: drop-shadow(0 0 6px rgba(232, 145, 58, 0.4));
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 1; }
}

/* Tool indicators */
.tool-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--ember-bg);
  border: 1px solid rgba(232, 145, 58, 0.1);
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--ember-glow);
  margin: 4px 0;
  align-self: flex-start;
}

.tool-indicator .spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(232, 145, 58, 0.2);
  border-top-color: var(--ember);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.tool-indicator.done {
  color: var(--success);
  border-color: rgba(74, 222, 128, 0.1);
  background: rgba(74, 222, 128, 0.04);
}

.tool-indicator.done .spinner {
  display: none;
}

.tool-indicator.done::before {
  content: '\2713';
  font-size: 14px;
}

/* Undo button after edits */
.undo-action {
  align-self: flex-start;
  margin: -6px 0 4px 0;
  display: flex;
  gap: 0;
}

.btn-undo {
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-undo:hover {
  background: var(--bg-hover);
  color: var(--text);
  border-color: var(--border-light);
}

.btn-undo:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-undo-done {
  color: var(--success);
  border-color: rgba(74, 222, 128, 0.25);
}

.btn-undo-error {
  color: var(--error);
  border-color: rgba(239, 68, 68, 0.25);
}


/* Diff display */
.diff-block {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  margin: 8px 0;
  border: 1px solid var(--border);
  background: var(--bg);
}

.diff-block .diff-remove {
  color: var(--error);
  text-decoration: line-through;
  opacity: 0.7;
}

.diff-block .diff-add {
  color: var(--success);
}

/* Preview link */
.preview-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--ember-bg);
  border: 1px solid rgba(232, 145, 58, 0.15);
  border-radius: var(--radius-sm);
  color: var(--ember-glow);
  text-decoration: none;
  font-size: 13px;
  margin: 8px 0;
  transition: all 0.15s ease;
}

.preview-link:hover {
  background: rgba(232, 145, 58, 0.12);
  border-color: var(--ember-dim);
}

/* Welcome state */
.welcome {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}

.welcome h2 {
  font-size: 24px;
  color: var(--ember);
  margin-bottom: 8px;
  font-weight: 600;
}

.welcome p {
  font-size: 14px;
  max-width: 400px;
  line-height: 1.6;
}

.welcome .suggestions {
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.welcome .suggestion {
  padding: 10px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: left;
}

.welcome .suggestion:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
  transform: translateY(-1px);
}

/* --- Input Area --- */

.input-area {
  padding: 14px 24px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.input-row {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.input-row textarea {
  flex: 1;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  resize: none;
  min-height: 42px;
  max-height: 150px;
  line-height: 1.5;
  outline: none;
  transition: border-color 0.2s ease;
}

.input-row textarea:focus {
  border-color: var(--border-light);
}

.input-row textarea::placeholder {
  color: var(--text-dim);
}

/* --- Send Button (Glass) --- */

.send-btn {
  padding: 10px 20px;
  background: var(--glass-gradient);
  color: #fff;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.send-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
}

.send-btn:hover {
  box-shadow: 0 4px 20px rgba(196, 48, 43, 0.4);
  filter: brightness(1.08);
}

.send-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  box-shadow: none;
  filter: none;
}

.send-btn.stop {
  background: linear-gradient(135deg, #dc2626, #ef4444);
}

.send-btn.stop:hover {
  box-shadow: 0 4px 20px rgba(220, 38, 38, 0.4);
}

/* --- Flag Button --- */

.flag-btn {
  padding: 8px 10px;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}

/* --- Flag Modal --- */

.flag-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}

.flag-modal-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  width: 400px;
  max-width: 90vw;
}

.flag-modal-dialog h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}

.flag-modal-dialog p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.flag-modal-dialog textarea {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  resize: vertical;
  min-height: 60px;
  outline: none;
}

.flag-modal-dialog textarea:focus {
  border-color: var(--border-light);
}

.flag-modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
}

/* --- Feedback Panel --- */

.feedback-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.feedback-header {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.feedback-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.feedback-tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.feedback-tab {
  flex: 1;
  padding: 10px 12px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.feedback-tab:hover {
  color: var(--text);
}

.feedback-tab.active {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

.feedback-form {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.feedback-textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  resize: vertical;
  min-height: 120px;
  outline: none;
  line-height: 1.5;
}

.feedback-textarea:focus {
  border-color: var(--border-light);
}

.feedback-textarea::placeholder {
  color: var(--text-dim);
}

.feedback-submit {
  align-self: flex-start;
}

.feedback-status {
  font-size: 13px;
  min-height: 20px;
}

.feedback-status.success {
  color: var(--success);
}

.feedback-status.error {
  color: var(--error);
}

.activity-btn.feedback-active {
  color: var(--ember);
  background: rgba(232, 145, 58, 0.1);
}

/* --- Selection Chip (mobile: persisted element selection) --- */

.selection-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  background: var(--ember-bg);
  border: 1px solid rgba(232, 145, 58, 0.15);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
}

.selection-chip-icon {
  font-size: 13px;
  color: var(--ember);
  flex-shrink: 0;
}

.selection-chip-text {
  font-size: 12px;
  color: var(--ember-glow);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.selection-chip-clear {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 0 2px;
  line-height: 1;
  flex-shrink: 0;
}

.selection-chip-clear:hover {
  color: var(--text);
}

/* --- Upload --- */

.upload-btn {
  padding: 8px 10px;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}

.upload-preview {
  display: flex;
  padding: 8px 0 0;
}

.upload-preview-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  max-width: 100%;
}

.upload-preview-item img {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 4px;
}

.upload-preview-name {
  font-size: 12px;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

.upload-preview-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
}

.upload-preview-remove:hover {
  color: var(--error);
}

.input-area.drag-over {
  background: var(--ember-bg);
  border-top-color: var(--ember-dim);
}

/* --- Login Screen --- */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  height: 100dvh;
  flex-direction: column;
  gap: 20px;
}

.login-box {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 360px;
  text-align: center;
}

.login-box h1 {
  font-size: 22px;
  color: var(--ember);
  margin-bottom: 4px;
}

.login-box p {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.login-box input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 14px;
  outline: none;
  margin-bottom: 12px;
}

.login-box input:focus {
  border-color: var(--border-light);
}

.login-box .login-btn {
  width: 100%;
  padding: 10px;
  background: var(--glass-gradient);
  color: #fff;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.login-box .login-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
}

.login-box .login-btn:hover {
  box-shadow: 0 4px 20px rgba(196, 48, 43, 0.4);
  filter: brightness(1.08);
}

.login-error {
  color: var(--error);
  font-size: 13px;
  margin-top: 8px;
  display: none;
}

/* --- Changelog Panel --- */

.changelog-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.changelog-header {
  padding: 12px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.deploy-btn {
  background: linear-gradient(135deg, #16a34a, #4ade80) !important;
  color: #fff !important;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  box-shadow: 0 2px 12px rgba(22, 163, 74, 0.3);
  position: relative;
  overflow: hidden;
}

.deploy-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
}

.deploy-btn:hover:not(:disabled) {
  box-shadow: 0 4px 20px rgba(22, 163, 74, 0.4);
  filter: brightness(1.08);
}

.deploy-btn:disabled {
  opacity: 0.5;
  cursor: wait;
  box-shadow: none;
}

.deploy-btn.deploying {
  background: linear-gradient(135deg, #d97706, #f59e0b) !important;
  animation: deploy-pulse 1.5s ease-in-out infinite;
}

.deploy-btn.deploy-success {
  background: linear-gradient(135deg, #16a34a, #4ade80) !important;
  opacity: 1 !important;
}

@keyframes deploy-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.changelog-header h3 {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.changelog-list {
  flex: 1;
  overflow-y: auto;
  padding: 12px 24px;
}

.changelog-entry {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  margin-bottom: 6px;
  transition: background 0.15s ease;
}

.changelog-entry:hover {
  background: var(--bg-hover);
}

.changelog-entry-info {
  flex: 1;
  min-width: 0;
}

.changelog-entry-message {
  font-size: 14px;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.changelog-entry-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
  display: flex;
  gap: 12px;
}

.changelog-entry-hash {
  font-family: var(--font-mono);
  color: var(--text-muted);
}

.changelog-entry-actions {
  flex-shrink: 0;
}

.btn-reset {
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-reset:hover {
  background: var(--error);
  color: #fff;
  border-color: var(--error);
}

.btn-reset:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-reset:disabled:hover {
  background: var(--bg);
  color: var(--text-muted);
  border-color: var(--border);
}

.changelog-empty {
  text-align: center;
  padding: 40px;
  color: var(--text-dim);
  font-size: 14px;
}

/* Active state for buttons (glass version) */
.btn.changelog-active,
.btn.files-active,
.btn.preview-active,
.btn.edit-active,
.btn.inspirations-active,
.btn.styling-active {
  background: var(--glass-gradient);
  color: #fff;
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  position: relative;
  overflow: hidden;
}

.btn.changelog-active::before,
.btn.files-active::before,
.btn.preview-active::before,
.btn.edit-active::before,
.btn.inspirations-active::before,
.btn.styling-active::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
}

/* --- Files Panel --- */

.files-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.files-toolbar {
  padding: 10px 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.files-search {
  width: 140px;
  padding: 5px 10px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 12px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s, width 0.2s;
}

.files-search:focus {
  border-color: var(--ember-dim);
  width: 200px;
}

.files-search::placeholder {
  color: var(--text-dim);
}

.files-type-filters {
  display: flex;
  gap: 6px;
  padding: 6px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.file-filter-btn {
  padding: 4px 10px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  font-family: inherit;
  transition: all 0.15s;
}

.file-filter-btn:hover {
  border-color: var(--ember-dim);
  color: var(--text);
}

.file-filter-btn.active {
  background: var(--ember-bg);
  border-color: rgba(232, 145, 58, 0.2);
  color: var(--ember-glow);
}

/* --- File Preview Modal --- */

.file-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.file-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.file-preview-dialog {
  position: relative;
  width: min(90vw, 800px);
  height: min(85vh, 600px);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.file-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}

.file-preview-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.file-preview-actions {
  display: flex;
  gap: 6px;
}

.file-preview-delete {
  color: var(--error) !important;
}

.file-preview-content {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
  background: var(--bg);
}

.file-preview-footer {
  padding: 10px 20px;
  border-top: 1px solid var(--border);
}

.file-preview-meta {
  font-size: 12px;
  color: var(--text-dim);
}

.files-breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
  min-width: 0;
  overflow-x: auto;
}

.files-breadcrumb-segment {
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.files-breadcrumb-segment:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.files-breadcrumb-segment.active {
  color: var(--text);
  cursor: default;
}

.files-breadcrumb-segment.active:hover {
  background: none;
}

.files-breadcrumb-sep {
  color: var(--text-dim);
  font-size: 11px;
}

.files-toolbar-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.files-grid {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  align-content: start;
}

.files-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
  font-size: 14px;
}

.file-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  min-height: 120px;
}

.file-card:hover {
  background: var(--bg-hover);
  border-color: var(--border-light);
}

.file-card-thumb {
  width: 100%;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 4px;
}

.file-card-thumb img {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
  border-radius: 4px;
}

.file-card-icon {
  font-size: 36px;
  line-height: 1;
  color: var(--text-dim);
}

.file-card-icon.dir {
  color: var(--ember);
}

.file-card-name {
  font-size: 12px;
  color: var(--text);
  text-align: center;
  word-break: break-all;
  line-height: 1.3;
  max-height: 2.6em;
  overflow: hidden;
}

.file-card-meta {
  font-size: 11px;
  color: var(--text-dim);
}

.file-card-actions {
  position: absolute;
  top: 4px;
  right: 4px;
  display: none;
  gap: 2px;
}

.file-card:hover .file-card-actions {
  display: flex;
}

.file-card-action {
  width: 24px;
  height: 24px;
  border: none;
  background: var(--bg);
  color: var(--text-muted);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.file-card-action:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.file-card-action.delete:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--error);
}

/* Inline rename input */
.file-card-rename {
  width: 100%;
  padding: 2px 4px;
  background: var(--bg);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  color: var(--text);
  font-size: 12px;
  text-align: center;
  outline: none;
  font-family: var(--font);
}

/* Drop overlay */
.files-drop-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(232, 145, 58, 0.06);
  border: 2px dashed var(--ember-dim);
  border-radius: var(--radius);
  z-index: 10;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--ember-glow);
  pointer-events: none;
}

.files-panel.drag-over .files-drop-overlay {
  display: flex;
}

/* --- Move Modal --- */

.files-move-modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
}

.files-move-dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 380px;
  max-width: 90vw;
  max-height: 60vh;
  display: flex;
  flex-direction: column;
}

.files-move-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.files-move-header h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.files-move-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.files-move-item {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: background 0.15s ease;
}

.files-move-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.files-move-item.selected {
  background: var(--ember-bg);
  color: var(--ember-glow);
  border: 1px solid rgba(232, 145, 58, 0.15);
}

.files-move-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* --- Preview Panel --- */

.preview-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--border);
  min-width: 0;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.preview-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  flex: 1;
}

.viewport-switcher {
  display: flex;
  gap: 2px;
  background: var(--bg-hover);
  border-radius: 4px;
  padding: 1px;
}
.viewport-btn {
  background: transparent;
  border: none;
  color: var(--text-dim);
  padding: 2px 6px;
  font-size: 14px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s;
  line-height: 1;
}
.viewport-btn:hover {
  color: var(--text);
}
.viewport-btn.active {
  background: var(--bg-surface);
  color: var(--ember);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.preview-iframe-mobile {
  max-width: 375px !important;
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.preview-iframe-tablet {
  max-width: 768px !important;
  margin: 0 auto;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
}

.reorder-mode-toggle {
  font-size: 11px !important;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--bg-hover);
  color: var(--text-muted);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.15s;
  min-width: auto;
}
.reorder-mode-toggle:hover {
  color: var(--text);
  border-color: var(--ember-dim);
}
.reorder-mode-toggle.reorder-free {
  background: rgba(232, 145, 58, 0.15);
  color: var(--ember);
  border-color: var(--ember-dim);
}

.btn-sm {
  padding: 2px 8px;
  font-size: 16px;
  line-height: 1;
  min-width: 28px;
  text-align: center;
}

.preview-panel iframe {
  flex: 1;
  border: none;
  background: #fff;
  width: 100%;
}

/* When preview is open, chat area gets constrained */
.layout.with-preview .chat-area {
  flex: 1;
  min-width: 320px;
}

.layout.with-preview .preview-panel {
  flex: 1;
  min-width: 320px;
}

.preview-panel.preview-drop-active {
  box-shadow: inset 0 0 30px rgba(59, 130, 246, 0.15);
  border-left-color: rgba(59, 130, 246, 0.5);
}

.preview-panel.preview-drop-active #preview-iframe {
  pointer-events: none;
}

/* --- Edit Mode --- */

.preview-edit-info {
  display: none;
  padding: 6px 12px;
  background: var(--ember-bg);
  border-bottom: 1px solid rgba(232, 145, 58, 0.12);
  font-size: 12px;
  color: var(--ember-glow);
  text-align: center;
  flex-shrink: 0;
}

.preview-edit-info.visible {
  display: block;
}

/* --- Scrollbar --- */

::-webkit-scrollbar {
  width: 5px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

/* --- Hamburger (hidden on desktop) --- */

.btn-hamburger {
  display: none;
  font-size: 20px;
  padding: 4px 10px;
  line-height: 1;
  border: none;
  background: transparent;
  color: var(--text-muted);
}

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

/* --- Sidebar Overlay (mobile) --- */

.sidebar-overlay {
  display: none;
}

/* --- Preview Fullscreen (mobile) --- */

.preview-panel.preview-fullscreen {
  position: fixed;
  inset: 0;
  z-index: 200;
  border: none;
  display: flex !important;
}

/* --- Responsive --- */

@media (max-width: 768px) {
  body {
    font-weight: 450;
    -webkit-font-smoothing: antialiased;
  }

  .btn-hamburger {
    display: block;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    z-index: 110;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .sidebar.sidebar-open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 100;
  }

  .sidebar-overlay.visible {
    display: block;
  }

  .header {
    padding: 8px 12px;
  }

  .logo {
    font-size: 16px;
  }

  .logo span {
    font-size: 12px;
    margin-left: 6px;
  }

  .header-right {
    gap: 6px;
  }

  .header-right .btn {
    padding: 6px 10px;
    font-size: 16px;
    line-height: 1;
  }

  .header-right .btn-label {
    display: none;
  }

  .header-right .btn-icon {
    display: inline;
  }

  .messages {
    padding: 12px 12px;
  }

  .message {
    max-width: 92%;
    padding: 10px 14px;
    font-size: 15px;
    font-weight: 450;
    line-height: 1.55;
  }

  .message-assistant strong {
    font-weight: 650;
  }

  .input-area {
    padding: 10px 12px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
  }

  .input-row textarea {
    font-size: 16px;
    min-height: 40px;
    max-height: 120px;
    padding: 9px 12px;
    line-height: 1.3;
  }

  .send-btn {
    padding: 10px 16px;
    min-height: 44px;
  }

  .welcome {
    padding: 24px 16px;
  }

  .welcome h2 {
    font-size: 21px;
    font-weight: 650;
  }

  .welcome p {
    font-size: 15px;
    font-weight: 450;
  }

  .welcome .suggestion {
    padding: 12px 16px;
    font-size: 15px;
    font-weight: 450;
  }

  .tool-indicator {
    font-size: 11px;
    padding: 6px 10px;
  }

  .changelog-entry {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px 12px;
  }

  .changelog-entry-actions {
    width: 100%;
  }

  .btn-reset {
    width: 100%;
    padding: 8px 12px;
    text-align: center;
  }

  .changelog-header {
    padding: 10px 16px;
  }

  .changelog-list {
    padding: 10px 12px;
  }

  .files-toolbar {
    padding: 8px 12px;
  }

  .files-grid {
    padding: 12px;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 8px;
  }

  .file-card {
    padding: 10px;
    min-height: 100px;
  }

  .file-card-actions {
    display: flex;
  }

  .files-move-dialog {
    width: calc(100vw - 24px);
  }

  .login-box {
    width: calc(100vw - 32px);
    max-width: 360px;
    padding: 24px 20px;
  }

  .login-box input {
    font-size: 16px;
    padding: 12px 14px;
  }

  .preview-panel.preview-fullscreen .preview-toolbar {
    padding: 10px 12px;
  }

  .inspirations-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 8px;
    padding: 12px;
  }

  .inspiration-preview-wrap {
    height: 100px;
  }
}

/* --- Inspirations Panel --- */
/* --- Assets Panel (Block-Bibliothek) --- */

.assets-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.assets-toolbar {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  gap: 16px;
}

.assets-toolbar h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}

.assets-search {
  flex: 1;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.15s;
}

.assets-search:focus {
  border-color: var(--ember-dim);
}

.assets-search::placeholder {
  color: var(--text-dim);
}

.assets-categories {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 10px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.asset-cat-btn {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  font-size: 12px;
  font-family: inherit;
}

.asset-cat-btn:hover {
  border-color: var(--ember-dim);
  color: var(--text);
}

.asset-cat-btn.active {
  background: var(--ember-bg);
  border-color: rgba(232, 145, 58, 0.2);
  color: var(--ember-glow);
}

.assets-grid {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-rows: auto;
  gap: 16px;
  align-content: start;
}

.block-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s ease;
}

.block-card:hover {
  border-color: var(--ember-dim);
  box-shadow: 0 4px 16px rgba(232, 145, 58, 0.1);
  transform: translateY(-2px);
}

.block-card.dragging {
  opacity: 0.5;
  transform: scale(0.95);
}

.block-card-iframe-wrap {
  width: 100%;
  height: 160px;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--bg);
}

.block-card-iframe {
  width: 300%;
  height: 300%;
  border: none;
  transform: scale(0.3333);
  transform-origin: top left;
  pointer-events: none;
}

.block-card-iframe-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.block-card-info {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  border-top: 1px solid var(--border);
}

.block-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  text-align: center;
  line-height: 1.3;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.block-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  max-width: 100%;
}

.block-card-tag {
  font-size: 10px;
  color: var(--ember-dim);
  background: rgba(232, 145, 58, 0.08);
  padding: 1px 6px;
  border-radius: 3px;
  white-space: nowrap;
}

.block-card-category {
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.assets-loading,
.assets-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.assets-loading .spinner {
  margin: 0;
}

.assets-active {
  color: var(--ember-glow) !important;
}

/* --- Block Drag Overlay (transparent, captures drag events over iframe) --- */

.block-drag-overlay {
  position: absolute;
  inset: 0;
  z-index: 100;
  background: transparent;
  cursor: copy;
}

/* --- Block Preview Modal --- */

.block-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.block-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}

.block-preview-dialog {
  position: relative;
  width: min(90vw, 900px);
  height: min(85vh, 700px);
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.block-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
}

.block-preview-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.block-preview-title span:first-child {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.block-preview-category {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-elevated);
  padding: 2px 8px;
  border-radius: 10px;
  text-transform: capitalize;
}

.block-preview-frame-wrap {
  flex: 1;
  overflow: hidden;
}

.block-preview-frame {
  width: 100%;
  height: 100%;
  border: none;
  background: var(--bg);
}

.block-preview-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  gap: 16px;
}

.block-preview-desc {
  font-size: 13px;
  color: var(--text-muted);
  flex: 1;
}

/* --- Styling Panel --- */

.styling-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.styling-toolbar {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.styling-toolbar h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}

.styling-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.styling-select {
  background: var(--bg-hover);
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
}

.styling-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
}

.styling-source {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.styling-loading, .styling-empty {
  color: var(--text-muted);
  font-size: 13px;
  padding: 20px 0;
  text-align: center;
}

.styling-group {
  margin-bottom: 16px;
}

.styling-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.styling-var-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
}

.styling-var-label {
  font-size: 12px;
  color: var(--text-muted);
  min-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: default;
}

.styling-var-input-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}

.styling-color-input {
  width: 28px;
  height: 28px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  background: none;
  -webkit-appearance: none;
}
.styling-color-input::-webkit-color-swatch-wrapper {
  padding: 2px;
}
.styling-color-input::-webkit-color-swatch {
  border: none;
  border-radius: 2px;
}

.styling-text-input {
  flex: 1;
  background: var(--bg-surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  font-family: monospace;
}
.styling-text-input:focus {
  outline: none;
  border-color: var(--ember-dim);
}

.styling-font {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 0;
}

.activity-btn.styling-active {
  color: var(--ember);
  background: rgba(232, 145, 58, 0.1);
}

/* --- Inspirations Panel --- */

.inspirations-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}

.inspirations-toolbar {
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-surface);
}

.inspirations-toolbar h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}

.inspirations-filters {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.filter-btn {
  padding: 5px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
  font-size: 12px;
  font-family: inherit;
}

.filter-btn:hover {
  border-color: var(--ember-dim);
  color: var(--text);
}

.filter-btn.active {
  background: var(--ember-bg);
  border-color: rgba(232, 145, 58, 0.2);
  color: var(--ember-glow);
}

.inspirations-grid {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  align-content: start;
}

.inspiration-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: all 0.2s ease;
}

.inspiration-card:hover {
  border-color: var(--ember-dim);
  box-shadow: 0 4px 16px rgba(232, 145, 58, 0.1);
  transform: translateY(-2px);
}

.inspiration-preview-wrap {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: #111114;
  position: relative;
}

.inspiration-preview {
  width: 200%;
  height: 200%;
  border: none;
  transform: scale(0.5);
  transform-origin: top left;
  pointer-events: none;
}

.inspiration-info {
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
}

.inspiration-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.inspiration-variant {
  font-size: 11px;
  color: var(--text-dim);
}

.inspirations-loading,
.inspirations-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px 20px;
  color: var(--text-dim);
  font-size: 13px;
}

/* --- Inspirations Mobile --- */
@media (max-width: 768px) {
  .assets-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px;
  }

  .assets-categories {
    padding: 8px 12px;
  }

  .assets-toolbar {
    padding: 10px 12px;
  }

  .block-preview-dialog {
    width: 95vw;
    max-height: 90vh;
  }

  .file-preview-dialog {
    width: 95vw;
    max-height: 90vh;
  }

  .files-type-filters {
    padding: 6px 12px;
    overflow-x: auto;
  }

  .inspirations-grid {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px;
  }

  .inspiration-card {
    display: flex;
    flex-direction: row;
    height: 100px;
  }

  .inspiration-preview-wrap {
    width: 140px;
    height: 100%;
    flex-shrink: 0;
  }

  .inspiration-info {
    flex: 1;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    border-top: none;
    border-left: 1px solid var(--border);
  }
}

/* --- Inspiration Preview Modal --- */
.insp-preview-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: insp-fade-in 0.2s ease;
}

@keyframes insp-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.insp-preview-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
}

.insp-preview-dialog {
  position: relative;
  width: min(90vw, 800px);
  max-height: 85vh;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.insp-preview-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.insp-preview-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.insp-preview-title span:first-child {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.insp-preview-variant {
  font-size: 12px;
  color: var(--text-dim);
}

.insp-preview-frame-wrap {
  flex: 1;
  min-height: 0;
  height: 450px;
  background: #111114;
}

.insp-preview-frame {
  width: 100%;
  height: 100%;
  border: none;
}

.insp-preview-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg);
  gap: 12px;
}

.insp-preview-desc {
  font-size: 12px;
  color: var(--text-muted);
  flex: 1;
}

@media (max-width: 768px) {
  .insp-preview-dialog {
    width: 95vw;
    max-height: 90vh;
  }

  .insp-preview-frame-wrap {
    height: 300px;
  }

  .insp-preview-footer {
    flex-direction: column;
    gap: 8px;
  }

  .insp-preview-footer .btn-ember {
    width: 100%;
  }
}

/* ========================================
   DOCKING SYSTEM v2 — Tree-based layout
   ======================================== */

/* --- Tree nodes --- */

.dock-root {
  flex: 1;
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.dock-split {
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.dock-split-horizontal {
  flex-direction: row;
}

.dock-split-vertical {
  flex-direction: column;
}

.dock-leaf {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

/* --- Tabs (multiple panels in one leaf) --- */

.dock-area-tabs {
  display: flex;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.dock-area-tabs::-webkit-scrollbar { display: none; }

.dock-area-tab {
  padding: 6px 16px;
  border: none;
  background: transparent;
  color: var(--text-dim);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  border-bottom: 2px solid transparent;
}

.dock-area-tab:hover {
  color: var(--text);
  background: var(--bg-hover);
}

.dock-area-tab.active {
  color: var(--ember);
  border-bottom-color: var(--ember);
}

.dock-tab-actions {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
  padding: 0 4px;
}

/* --- Resize Handles --- */

.dock-resize-handle {
  flex-shrink: 0;
  z-index: 10;
  position: relative;
  background: transparent;
  transition: background 0.15s;
}

.dock-resize-horizontal {
  width: 6px;
  cursor: col-resize;
  border-left: 1px solid var(--border);
}

.dock-resize-vertical {
  height: 6px;
  cursor: row-resize;
  border-top: 1px solid var(--border);
}

.dock-resize-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 2px;
  background: var(--border-light);
  transition: all 0.2s;
  opacity: 0.4;
}

.dock-resize-horizontal::after {
  width: 3px;
  height: 32px;
}

.dock-resize-vertical::after {
  width: 32px;
  height: 3px;
}

.dock-resize-handle:hover::after,
.dock-resize-handle.active::after {
  background: var(--ember-dim);
  opacity: 1;
}

.dock-resize-horizontal:hover::after,
.dock-resize-horizontal.active::after {
  height: 60px;
}

.dock-resize-vertical:hover::after,
.dock-resize-vertical.active::after {
  width: 60px;
}

.dock-resize-handle:hover,
.dock-resize-handle.active {
  background: rgba(232, 145, 58, 0.04);
}

/* --- Panel Headers --- */

.dock-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  user-select: none;
}

.preview-toolbar.dock-panel-header {
  gap: 6px;
}

.preview-toolbar.dock-panel-header .dock-panel-drag {
  margin-right: 4px;
}

.preview-toolbar.dock-panel-header .preview-title {
  flex: 1;
}

.dock-panel-drag {
  cursor: grab;
  color: var(--text-dim);
  font-size: 12px;
  letter-spacing: 2px;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.15s;
}

.dock-panel-drag:hover {
  background: var(--bg-hover);
  color: var(--text-muted);
}

.dock-panel-drag:active { cursor: grabbing; }

.dock-panel-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  flex: 1;
}

.dock-panel-actions { display: flex; gap: 2px; }

.dock-panel-btn {
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  border-radius: 4px;
  font-size: 14px;
  line-height: 1;
  transition: all 0.15s;
}

.dock-panel-btn:hover { background: var(--bg-hover); color: var(--text); }
.dock-close-btn:hover { background: rgba(239, 68, 68, 0.15); color: var(--error); }

/* --- Tab Bar (minimized panels) --- */

.dock-tab-bar {
  display: none;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 4px 8px;
  gap: 4px;
  flex-shrink: 0;
}

.dock-min-tab {
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}

.dock-min-tab:hover {
  border-color: var(--ember-dim);
  color: var(--text);
  background: var(--bg-hover);
}

/* --- Drag Ghost --- */

.dock-drag-ghost {
  position: fixed;
  padding: 6px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--ember-dim);
  border-radius: var(--radius-sm);
  color: var(--ember);
  font-size: 12px;
  font-family: var(--font);
  pointer-events: none;
  z-index: 10000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

/* --- Drop Zones (shown on each leaf during drag) --- */

.dock-drop-overlay {
  position: absolute;
  inset: 0;
  z-index: 15000;
  pointer-events: none;
}

.dock-dz {
  position: absolute;
  pointer-events: all;
  transition: all 0.15s ease;
  border: 2px dashed transparent;
  border-radius: 4px;
}

/* Edge zones — 25% strips at each edge */
.dock-dz-top    { top: 0; left: 0; right: 0; height: 25%; }
.dock-dz-bottom { bottom: 0; left: 0; right: 0; height: 25%; }
.dock-dz-left   { top: 25%; left: 0; bottom: 25%; width: 25%; }
.dock-dz-right  { top: 25%; right: 0; bottom: 25%; width: 25%; }
.dock-dz-center { top: 25%; left: 25%; right: 25%; bottom: 25%; }

.dock-dz.active {
  background: rgba(232, 145, 58, 0.12);
  border-color: var(--ember-dim);
}

.dock-dz-center.active {
  background: rgba(232, 145, 58, 0.06);
  border-color: rgba(232, 145, 58, 0.3);
  border-style: solid;
}

/* --- Maximized State --- */

.layout.dock-maximized .dock-node { display: none !important; }
.layout.dock-maximized .dock-resize-handle { display: none !important; }

/* --- Panels in dock leaves --- */

.dock-leaf .chat-area,
.dock-leaf .files-panel,
.dock-leaf .changelog-panel,
.dock-leaf .assets-panel,
.dock-leaf .inspirations-panel,
.dock-leaf .styling-panel,
.dock-leaf .feedback-panel,
.dock-leaf .preview-panel {
  flex: 1;
  min-width: 0;
  min-height: 0;
  border-left: none;
  border-right: none;
}

/* Mobile: hide dock infrastructure */
@media (max-width: 768px) {
  .dock-resize-handle,
  .dock-tab-bar,
  .dock-area-tabs,
  .dock-panel-header,
  .dock-drop-overlay { display: none !important; }
  .dock-node { flex: 1 1 100% !important; }
}

/* --- Context Menu --- */

.dock-context-menu {
  position: fixed;
  z-index: 20000;
  background: var(--bg-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 4px;
  min-width: 160px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(12px);
}

.dock-ctx-item {
  display: block;
  width: 100%;
  padding: 7px 12px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 12px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.1s;
}

.dock-ctx-item:hover { background: var(--bg-hover); color: var(--text); }

.dock-ctx-separator {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}