/* ============================================================
   Zeus.AI Knowledge Base — Style Sheet
   ============================================================ */

:root {
  --color-primary:        #2563eb;
  --color-primary-dark:   #1d4ed8;
  --color-primary-light:  #dbeafe;
  --color-surface:        #f8fafc;
  --color-surface-2:      #ffffff;
  --color-border:         #e2e8f0;
  --color-border-focus:   #93c5fd;
  --color-text:           #1e293b;
  --color-text-muted:     #64748b;
  --color-text-light:     #94a3b8;
  --color-success:        #16a34a;
  --color-success-light:  #dcfce7;
  --color-warning:        #d97706;
  --color-warning-light:  #fef3c7;
  --color-danger:         #dc2626;
  --color-danger-light:   #fee2e2;
  --color-code-bg:        #0f172a;
  --color-code-text:      #e2e8f0;
  --color-yaml-key:       #7dd3fc;
  --color-yaml-val:       #86efac;
  --color-yaml-str:       #fca5a5;
  --color-md-heading:     #93c5fd;

  --font-sans: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', 'Courier New', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  12px;

  --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
  --shadow-md:  0 4px 12px rgba(0,0,0,.10);

  --header-h:   56px;
  --banner-h:   0px;
}

/* ============================================================
   DARK MODE
   ============================================================ */
[data-theme="dark"] {
  --color-surface:        #0f172a;
  --color-surface-2:      #1e293b;
  --color-border:         #334155;
  --color-border-focus:   #3b82f6;
  --color-text:           #e2e8f0;
  --color-text-muted:     #94a3b8;
  --color-text-light:     #475569;
  --color-primary-light:  #1e3a5f;
  --color-success-light:  #14532d;
  --color-warning-light:  #451a03;
  --color-danger-light:   #450a0a;
  --shadow-sm:  0 1px 3px rgba(0,0,0,.35);
  --shadow-md:  0 4px 12px rgba(0,0,0,.5);
}
[data-theme="dark"] body { background: var(--color-surface); }
[data-theme="dark"] .app-header { background: var(--color-surface-2); }
[data-theme="dark"] .card { background: var(--color-surface-2); }
[data-theme="dark"] .card-header { background: var(--color-surface); }
[data-theme="dark"] .field-input,
[data-theme="dark"] .field-textarea,
[data-theme="dark"] .kb-search-input { background: var(--color-surface); color: var(--color-text); }
[data-theme="dark"] .field-textarea--code { background: #0a0f1a; }
[data-theme="dark"] .action-bar { background: var(--color-surface-2); }
[data-theme="dark"] .restore-banner { background: #451a03; border-color: #92400e; }
[data-theme="dark"] .modal-box { background: var(--color-surface-2); }
[data-theme="dark"] .modal-note { background: #1e3a5f; border-color: #1e40af; color: #93c5fd; }
[data-theme="dark"] .modal-footer { background: var(--color-surface); }
[data-theme="dark"] .kb-panel { background: var(--color-surface-2); border-color: var(--color-border); }
[data-theme="dark"] .scope-checkbox { background: var(--color-surface); }
[data-theme="dark"] .radio-toggle span { background: var(--color-surface); }
[data-theme="dark"] .dropzone { background: var(--color-surface); }
[data-theme="dark"] select { background: var(--color-surface); color: var(--color-text); border-color: var(--color-border); }

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-surface);
  min-height: 100vh;
}
button { cursor: pointer; font-family: inherit; }
input, textarea, select {
  font-family: inherit;
  font-size: 14px;
}
a { color: var(--color-primary); }

/* ============================================================
   HEADER
   ============================================================ */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface-2);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-h);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0 20px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.header-logo { font-size: 22px; }
.header-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.3px;
}
.header-subtitle {
  font-size: 13px;
  color: var(--color-text-muted);
  border-left: 1px solid var(--color-border);
  padding-left: 10px;
  margin-left: 2px;
}
.header-actions { display: flex; align-items: center; gap: 8px; }

.autosave-indicator {
  font-size: 12px;
  color: var(--color-text-muted);
  padding: 2px 8px;
  border-radius: 99px;
  background: transparent;
  transition: all .3s;
}
.autosave-indicator.saved {
  background: var(--color-success-light);
  color: var(--color-success);
}
.autosave-indicator.saving {
  background: var(--color-warning-light);
  color: var(--color-warning);
}

/* ============================================================
   RESTORE BANNER
   ============================================================ */
.restore-banner {
  background: var(--color-warning-light);
  border-bottom: 1px solid #fde68a;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: var(--color-warning);
}
.restore-actions { display: flex; gap: 8px; }

/* ============================================================
   MAIN LAYOUT
   ============================================================ */
.app-main {
  max-width: 1600px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 20px;
  align-items: start;
}

@media (max-width: 1023px) {
  .app-main {
    grid-template-columns: 1fr;
  }
  .preview-column {
    order: -1;
  }
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  padding: 14px 20px 12px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.card-title {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--color-text-muted);
}
.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* ============================================================
   FIELD GROUPS
   ============================================================ */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 6px;
}
.field-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}
.field-hint-inline {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-muted);
}
.required { color: var(--color-danger); }

.field-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  transition: border-color .15s, box-shadow .15s;
  outline: none;
}
.field-input:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.field-input--short { max-width: 200px; }

.field-textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text);
  resize: vertical;
  min-height: 80px;
  transition: border-color .15s, box-shadow .15s;
  outline: none;
  line-height: 1.6;
}
.field-textarea:focus {
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.field-textarea--code {
  font-family: var(--font-mono);
  font-size: 13px;
  background: #fafafa;
  color: #1e293b;
}

/* ============================================================
   RADIO TOGGLE
   ============================================================ */
.radio-toggle-group {
  display: flex;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  width: fit-content;
}
.radio-toggle {
  position: relative;
  cursor: pointer;
}
.radio-toggle input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}
.radio-toggle span {
  display: block;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border-right: 1px solid var(--color-border);
  transition: all .15s;
  user-select: none;
  white-space: nowrap;
}
.radio-toggle:last-child span { border-right: none; }
.radio-toggle input:checked + span {
  background: var(--color-primary);
  color: #fff;
}
.radio-toggle.priority-alta input:checked + span {
  background: var(--color-danger);
}

/* ============================================================
   CHECKBOX GRID
   ============================================================ */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 8px;
}
.scope-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all .15s;
  font-size: 13px;
  color: var(--color-text);
  user-select: none;
  background: var(--color-surface-2);
}
.scope-checkbox:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.scope-checkbox input { cursor: pointer; }
.scope-checkbox.checked {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 500;
}

/* ============================================================
   MIC BUTTON
   ============================================================ */
.btn-mic {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  transition: all .15s;
  margin-left: auto;
}
.btn-mic:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}
.btn-mic svg { width: 14px; height: 14px; }
.btn-mic.recording {
  background: var(--color-danger);
  border-color: var(--color-danger);
  color: #fff;
  animation: pulse-mic 1.2s ease-in-out infinite;
}
@keyframes pulse-mic {
  0%, 100% { box-shadow: 0 0 0 0 rgba(220,38,38,.4); }
  50%       { box-shadow: 0 0 0 6px rgba(220,38,38,0); }
}

/* ============================================================
   DROPZONE
   ============================================================ */
.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
  transition: all .2s;
  background: var(--color-surface);
  cursor: pointer;
}
.dropzone:hover, .dropzone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.dropzone-icon {
  width: 36px;
  height: 36px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}
.dropzone-inner p {
  margin: 4px 0;
  color: var(--color-text-muted);
  font-size: 13px;
}
.dropzone-hint {
  font-size: 12px !important;
  color: var(--color-text-light) !important;
}
.dropzone-thumbnails {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}
.thumb-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.thumb-item img {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: cover;
}
.thumb-info {
  padding: 4px 6px;
  font-size: 11px;
  color: var(--color-text-muted);
  max-width: 80px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.thumb-warn {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--color-warning);
  color: #fff;
  font-size: 10px;
  padding: 1px 4px;
  border-radius: 3px;
  font-weight: 600;
}
.thumb-remove {
  position: absolute;
  top: 4px;
  left: 4px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,.55);
  color: #fff;
  border: none;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
  transition: background .15s;
}
.thumb-remove:hover { background: var(--color-danger); }

/* ============================================================
   EDIT MODE BANNER
   ============================================================ */
.edit-mode-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--color-warning-light);
  border: 1.5px solid var(--color-warning);
  border-radius: var(--radius-md);
  margin: 0 0 4px;
  font-size: 13px;
  color: var(--color-warning);
  font-weight: 500;
}
.edit-mode-banner strong {
  font-weight: 700;
  color: var(--color-text);
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.edit-mode-banner.hidden { display: none !important; }
.edit-mode-close {
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-warning);
  font-size: 16px;
  line-height: 1;
  padding: 2px 5px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}
.edit-mode-close:hover { background: rgba(0,0,0,.1); }
[data-theme="dark"] .edit-mode-banner {
  background: #451a03;
  border-color: #92400e;
  color: #fbbf24;
}
[data-theme="dark"] .edit-mode-banner strong { color: var(--color-text); }

/* ============================================================
   ACTION BAR
   ============================================================ */
.action-bar {
  position: sticky;
  bottom: 0;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(248,250,252,0.7) 25%,
    rgba(248,250,252,0.96) 55%,
    #f8fafc 100%);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-top: none;
  padding: 20px 0 16px;
  pointer-events: none;
}
[data-theme="dark"] .action-bar {
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(15,23,42,0.7) 25%,
    rgba(15,23,42,0.96) 55%,
    #0f172a 100%);
}
.action-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  pointer-events: all;
}
.action-bar-right {
  display: flex;
  gap: 6px;
  align-items: center;
}
.action-bar-divider {
  width: 1px;
  height: 28px;
  background: var(--color-border);
  flex-shrink: 0;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary, .btn-secondary, .btn-danger, .btn-success {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid transparent;
  transition: all .15s;
  white-space: nowrap;
  letter-spacing: .01em;
}
.btn-primary svg, .btn-secondary svg, .btn-danger svg, .btn-success svg { width: 15px; height: 15px; flex-shrink: 0; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(37,99,235,.3);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  box-shadow: 0 4px 14px rgba(37,99,235,.4);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }

.btn-secondary {
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  border-color: var(--color-border);
}
.btn-secondary:hover {
  background: var(--color-surface);
  border-color: #94a3b8;
  color: var(--color-text);
  transform: translateY(-1px);
}

.btn-success {
  background: #16a34a;
  color: #fff;
  border-color: #16a34a;
  box-shadow: 0 2px 8px rgba(22,163,74,.3);
}
.btn-success:hover {
  background: #15803d;
  border-color: #15803d;
  box-shadow: 0 4px 14px rgba(22,163,74,.4);
  transform: translateY(-1px);
}
.btn-success:active { transform: translateY(0); box-shadow: none; }
.btn-success svg { width: 15px; height: 15px; flex-shrink: 0; }

.btn-danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
  border-color: #fca5a5;
}
.btn-danger:hover { background: var(--color-danger); color: #fff; }

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .15s;
}
.btn-sm.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-sm.btn-secondary { background: var(--color-surface-2); color: var(--color-text); border-color: var(--color-border); }

.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  transition: all .15s;
}
.btn-icon:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.btn-icon svg { width: 16px; height: 16px; }

.btn-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--color-primary);
  font-size: inherit;
  text-decoration: underline;
  cursor: pointer;
}

/* ============================================================
   PREVIEW PANE
   ============================================================ */
.preview-column {
  position: sticky;
  top: calc(var(--header-h) + 20px);
  max-height: calc(100vh - var(--header-h) - 40px);
  display: flex;
  flex-direction: column;
}
.preview-pane {
  background: var(--color-code-bg);
  border-radius: var(--radius-lg);
  border: 1px solid #1e3a5f;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: calc(100vh - var(--header-h) - 40px);
  box-shadow: var(--shadow-md);
}
.preview-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-bottom: 1px solid #1e3a5f;
  background: #0f172a;
  flex-shrink: 0;
}
.preview-title {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.preview-toggle {
  display: flex;
  border: 1px solid #1e3a5f;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.preview-toggle-btn {
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 500;
  border: none;
  background: transparent;
  color: #475569;
  transition: all .15s;
  cursor: pointer;
}
.preview-toggle-btn.active { background: #1e3a5f; color: #e2e8f0; }
.preview-toggle-btn:hover:not(.active) { color: #94a3b8; }

.preview-filename {
  margin-left: auto;
  font-size: 11px;
  font-family: var(--font-mono);
  color: #475569;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.preview-content {
  overflow-y: auto;
  flex: 1;
  padding: 16px;
}
.preview-raw {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--color-code-text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* Syntax colors in raw preview */
.hl-yaml-sep   { color: #475569; }
.hl-yaml-key   { color: var(--color-yaml-key); }
.hl-yaml-val   { color: var(--color-yaml-val); }
.hl-yaml-str   { color: var(--color-yaml-str); }
.hl-yaml-bool  { color: #fcd34d; }
.hl-yaml-arr   { color: var(--color-yaml-val); }
.hl-md-h2      { color: var(--color-md-heading); font-weight: bold; }
.hl-md-code    { color: #fbbf24; }
.hl-md-fence   { color: #475569; }
.hl-md-num     { color: #a5f3fc; }
.hl-md-text    { color: var(--color-code-text); }

/* Rendered preview */
.preview-rendered {
  color: #cbd5e1;
  font-size: 13px;
  line-height: 1.7;
}
.preview-rendered h2 {
  font-size: 14px;
  color: var(--color-md-heading);
  border-bottom: 1px solid #1e3a5f;
  padding-bottom: 4px;
  margin: 16px 0 8px;
}
.preview-rendered h2:first-child { margin-top: 0; }
.preview-rendered p { margin: 6px 0; }
.preview-rendered ol { margin: 6px 0; padding-left: 20px; }
.preview-rendered li { margin: 3px 0; }
.preview-rendered pre {
  background: #0f172a;
  border: 1px solid #1e3a5f;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #fbbf24;
}
.preview-rendered code { font-family: var(--font-mono); font-size: 12px; color: #fbbf24; }
.preview-rendered .yaml-block {
  background: #0f172a;
  border: 1px solid #1e3a5f;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-yaml-key);
  margin-bottom: 16px;
}
.preview-rendered .yaml-block .yaml-val { color: var(--color-yaml-val); }
.preview-rendered .yaml-block .yaml-str { color: var(--color-yaml-str); }
.preview-rendered .yaml-block .yaml-sep { color: #475569; }
.preview-rendered img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid #1e3a5f;
  margin: 8px 0;
  display: block;
}
.preview-rendered .empty-hint {
  color: #334155;
  font-style: italic;
  font-size: 13px;
  padding: 20px;
  text-align: center;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  background: #1e293b;
  box-shadow: var(--shadow-md);
  z-index: 9999;
  transition: transform .25s ease, opacity .25s ease;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}
.toast.success { background: var(--color-success); }
.toast.error   { background: var(--color-danger); }
.toast.info    { background: var(--color-primary); }

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-overlay.hidden { display: none !important; }
.modal-box {
  background: var(--color-surface-2);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-border);
}
.modal-title {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
}
.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.modal-note {
  margin: 0;
  padding: 10px 12px;
  background: var(--color-primary-light);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--color-primary-dark);
  border: 1px solid #bfdbfe;
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================================
   SCROLLBAR (webkit)
   ============================================================ */
.preview-content::-webkit-scrollbar { width: 6px; }
.preview-content::-webkit-scrollbar-track { background: transparent; }
.preview-content::-webkit-scrollbar-thumb { background: #1e3a5f; border-radius: 3px; }
.preview-content::-webkit-scrollbar-thumb:hover { background: #2563eb44; }

/* ============================================================
   UTILS
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================================
   FIELD GROUP ROW (date fields side-by-side)
   ============================================================ */
.field-group--row {
  display: flex;
  gap: 16px;
}
.field-group-half {
  flex: 1;
  min-width: 0;
}
.field-group--valign-end {
  display: flex;
  align-items: flex-end;
}

/* ============================================================
   KB PANEL TOGGLE BUTTON
   ============================================================ */
.btn-kb-panel {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  height: 34px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1.5px solid var(--color-primary);
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.btn-kb-panel:hover {
  background: var(--color-primary);
  color: #fff;
}
.btn-kb-panel svg { width: 15px; height: 15px; flex-shrink: 0; }

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.btn-theme {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface-2);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all .15s;
}
.btn-theme:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-light); }
.btn-theme svg { width: 16px; height: 16px; }

/* ============================================================
   RESET / DANGER BUTTON
   ============================================================ */
.btn-reset {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.btn-reset:hover {
  border-color: var(--color-danger);
  background: var(--color-danger-light);
  color: var(--color-danger);
}
.btn-reset svg { width: 14px; height: 14px; flex-shrink: 0; }

/* ============================================================
   FIELD ERROR STATE
   ============================================================ */
.field-error {
  font-size: 12px;
  color: var(--color-danger);
  font-weight: 500;
}
.field-group.has-error .field-input,
.field-group.has-error .field-textarea {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px rgba(220,38,38,.12);
}

/* ============================================================
   KB SIDE PANEL
   ============================================================ */
.kb-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 100vw;
  height: 100vh;
  background: var(--color-surface-2);
  border-left: 1px solid var(--color-border);
  box-shadow: -4px 0 24px rgba(0,0,0,.12);
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transform: translateX(100%);
  transition: transform .3s ease;
  overflow: hidden;
}
.kb-panel--open {
  transform: translateX(0);
}
.kb-panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.25);
  z-index: 999;
}
.kb-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.kb-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text);
  margin: 0;
}
.kb-panel-title svg { width: 18px; height: 18px; color: var(--color-primary); }

/* Search bar */
.kb-search-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.kb-search-input {
  flex: 1;
  padding: 7px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 13px;
  outline: none;
  background: var(--color-surface);
}
.kb-search-input:focus { border-color: var(--color-border-focus); }

/* List */
#kb-list-view {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}
.kb-list {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  flex: 1;
}
.kb-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background .1s;
}
.kb-list-item:hover { background: var(--color-primary-light); }
.kb-list-item--inactive { opacity: .55; }
.kb-item-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  flex-shrink: 0;
}
.kb-list-item--inactive .kb-item-dot { background: var(--color-text-light); }
.kb-item-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.kb-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kb-item-meta {
  font-size: 11px;
  color: var(--color-text-muted);
}
.kb-item-file-icon {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--color-primary);
}
.kb-item-arrow {
  width: 14px;
  height: 14px;
  color: var(--color-text-light);
  flex-shrink: 0;
}
.kb-empty { padding: 24px 16px; text-align: center; color: var(--color-text-muted); font-size: 13px; }
.kb-loading {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 40px 20px;
  color: var(--color-text-muted);
  font-size: 13px;
}
.kb-spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: kb-spin .7s linear infinite;
}
@keyframes kb-spin {
  to { transform: rotate(360deg); }
}

/* Detail / editor */
#kb-detail-view {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  padding: 12px 14px;
  gap: 10px;
}
.kb-detail-nav { flex-shrink: 0; }
.btn-icon-text {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 13px;
  color: var(--color-primary);
  padding: 4px 0;
}
.btn-icon-text svg { width: 16px; height: 16px; }
.kb-detail-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.kb-detail-title-text {
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.kb-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  background: var(--color-primary-light);
  color: var(--color-primary);
  flex-shrink: 0;
}
.kb-dates-row {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.kb-dates-field { flex: 1; }
.kb-content-label { flex-shrink: 0; }
.kb-edit-textarea {
  flex: 1;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px;
  resize: none;
  background: var(--color-surface);
  color: var(--color-text);
  min-height: 0;
}
.kb-edit-textarea:focus { outline: none; border-color: var(--color-border-focus); }
.kb-detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  flex-shrink: 0;
  padding-top: 4px;
}
.kb-detail-actions .btn-secondary,
.kb-detail-actions .btn-primary,
.kb-detail-actions .btn-success {
  flex: 1;
  min-width: 110px;
  justify-content: center;
}

/* ============================================================
   VIDEO / TRASCRIZIONE SECTION
   ============================================================ */
.video-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
}
.video-tab {
  padding: 6px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 13px;
  cursor: pointer;
  color: var(--color-text-muted);
  transition: background .15s, color .15s;
}
.video-tab.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 500;
}
.dropzone--video { min-height: 90px; }
.video-file-info {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.video-file-info::before {
  content: '🎬';
  font-size: 18px;
}

/* Progress bar */
.video-progress {
  margin-top: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 12px;
}
.video-progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}
.video-progress-bar {
  height: 6px;
  background: var(--color-border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 6px;
}
.video-progress-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: 3px;
  transition: width .4s ease;
  width: 0%;
}
.video-progress-text {
  font-size: 12px;
  font-weight: 500;
  color: var(--color-text);
}
.video-progress-eta {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 1px 6px;
  border-radius: 10px;
}
.video-progress-detail {
  font-size: 11px;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* KB save select */
.field-input[id="kb-save-select"] {
  width: 100%;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px 36px 36px;
}
.login-brand {
  text-align: center;
  margin-bottom: 32px;
}
.login-logo {
  font-size: 40px;
  display: block;
  margin-bottom: 8px;
}
.login-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 4px;
}
.login-subtitle {
  font-size: 14px;
  color: var(--color-text-muted);
  margin: 0;
}
.login-form { display: flex; flex-direction: column; gap: 16px; }
.login-field { display: flex; flex-direction: column; gap: 6px; }
.login-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}
.login-input {
  padding: 10px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-surface);
  transition: border-color .15s;
  outline: none;
}
.login-input:focus { border-color: var(--color-primary); }
.login-error {
  font-size: 13px;
  color: var(--color-danger);
  background: var(--color-danger-light);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}
.login-btn {
  width: 100%;
  justify-content: center;
  padding: 11px 20px;
  font-size: 14px;
  margin-top: 4px;
}
[data-theme="dark"] .login-input { background: var(--color-surface); color: var(--color-text); }

/* ============================================================
   HEADER: brand link + logout button
   ============================================================ */
.header-brand-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: inherit;
}
.header-brand-link:hover .header-title { color: var(--color-primary); }
.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 99px;
  border: 1.5px solid var(--color-border);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s;
  white-space: nowrap;
}
.btn-logout svg { width: 14px; height: 14px; }
.btn-logout:hover {
  border-color: var(--color-danger);
  color: var(--color-danger);
  background: var(--color-danger-light);
}

/* ============================================================
   DASHBOARD PAGE
   ============================================================ */
.dashboard-page { background: var(--color-surface); min-height: 100vh; }
.dashboard-main {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.dashboard-header { margin-bottom: 32px; }
.dashboard-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 6px;
}
.dashboard-subtitle {
  font-size: 15px;
  color: var(--color-text-muted);
  margin: 0;
}
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
@media (max-width: 560px) {
  .dashboard-grid { grid-template-columns: 1fr; }
}

.tool-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--color-surface-2);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: all .18s;
  cursor: pointer;
}
.tool-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(37,99,235,.12);
  transform: translateY(-2px);
}
.tool-card--disabled {
  opacity: .45;
  cursor: default;
  pointer-events: none;
}
.tool-card-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.tool-card-icon svg { width: 26px; height: 26px; }
.tool-card-icon--blue   { background: #dbeafe; color: #2563eb; }
.tool-card-icon--green  { background: #dcfce7; color: #16a34a; }
.tool-card-icon--purple { background: #ede9fe; color: #7c3aed; }
.tool-card-icon--grey   { background: var(--color-border); color: var(--color-text-muted); }
[data-theme="dark"] .tool-card-icon--blue   { background: #1e3a5f; color: #60a5fa; }
[data-theme="dark"] .tool-card-icon--green  { background: #14532d; color: #4ade80; }
[data-theme="dark"] .tool-card-icon--purple { background: #2e1065; color: #a78bfa; }
.tool-card-body { flex: 1; min-width: 0; }
.tool-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  margin: 0 0 4px;
}
.tool-card-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.45;
}
.tool-card-arrow {
  width: 18px;
  height: 18px;
  color: var(--color-text-light);
  flex-shrink: 0;
  transition: transform .15s;
}
.tool-card:hover .tool-card-arrow { transform: translateX(3px); color: var(--color-primary); }