/* ===== VARIABLES ===== */
:root {
  --bg:           #0f172a;
  --surface:      #1e293b;
  --surface-2:    #263349;
  --border:       #334155;
  --accent:       #6366f1;
  --accent-h:     #818cf8;
  --accent-dim:   rgba(99, 102, 241, 0.12);
  --accent-dim-h: rgba(99, 102, 241, 0.22);
  --text:         #f1f5f9;
  --text-2:       #94a3b8;
  --text-3:       #64748b;
  --error:        #ef4444;
  --error-dim:    rgba(239, 68, 68, 0.12);
  --success:      #10b981;
  --success-dim:  rgba(16, 185, 129, 0.12);
  --warn:         #f59e0b;
  --warn-dim:     rgba(245, 158, 11, 0.12);
  --radius:       8px;
  --radius-lg:    12px;
  --shadow:       0 8px 32px rgba(0, 0, 0, 0.4);
  --font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --ease:         0.15s ease;
}

/* ===== LIGHT THEME ===== */
body.light {
  --bg:           #f1f5f9;
  --surface:      #ffffff;
  --surface-2:    #f8fafc;
  --border:       #e2e8f0;
  --text:         #0f172a;
  --text-2:       #475569;
  --text-3:       #94a3b8;
  --accent:       #6366f1;
  --accent-h:     #4f46e5;
  --accent-dim:   rgba(99, 102, 241, 0.08);
  --accent-dim-h: rgba(99, 102, 241, 0.14);
  --error-dim:    rgba(239, 68, 68, 0.08);
  --success-dim:  rgba(16, 185, 129, 0.08);
  --warn-dim:     rgba(245, 158, 11, 0.08);
  --shadow:       0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent-h); text-decoration: none; }
a:hover { text-decoration: underline; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -999px;
  left: 16px;
  background: var(--accent);
  color: #fff;
  padding: 8px 16px;
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 9999;
  font-weight: 600;
}
.skip-link:focus { top: 0; }

/* ===== SCREEN READER ONLY ===== */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== SETTINGS OVERLAY ===== */
.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
  padding: 16px;
}

.settings-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 460px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  box-shadow: var(--shadow);
}

.settings-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
}
.settings-head h2 { font-size: 18px; font-weight: 700; }

.settings-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.settings-actions {
  display: flex;
  gap: 10px;
}

/* ===== HEADER ===== */
.app-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.brand-icon {
  font-size: 30px;
  color: var(--accent-h);
  line-height: 1;
  flex-shrink: 0;
}

.brand-name { font-size: 20px; font-weight: 800; letter-spacing: -0.3px; }
.brand-tagline { font-size: 13px; color: var(--text-2); margin-top: 1px; }

/* ===== MAIN ===== */
.main { flex: 1; display: flex; flex-direction: column; }

/* ===== ALERT BANNER ===== */
.alert-banner {
  background: var(--warn-dim);
  border-bottom: 1px solid var(--warn);
  color: var(--warn);
  padding: 11px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 500;
}
.alert-icon { font-size: 16px; flex-shrink: 0; }

/* ===== LAYOUT ===== */
.layout {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  padding: 28px 24px;
  display: grid;
  grid-template-columns: 450px 1fr;
  gap: 28px;
  align-items: start;
  flex: 1;
}

/* ===== INPUT COLUMN ===== */
.input-col {
  position: sticky;
  top: 85px; /* header height ~57px + layout padding */
}

/* ===== PLATFORM BAR ===== */
.platform-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.platform-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  white-space: nowrap;
  flex-shrink: 0;
}

.platform-bar {
  display: flex;
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 3px;
  gap: 2px;
}

.platform-btn {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: none;
  border-radius: 16px;
  color: var(--text-3);
  cursor: pointer;
  flex: 1;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  outline: none;
  padding: 5px 6px;
  text-align: center;
  transition: background var(--ease), color var(--ease), box-shadow var(--ease);
  white-space: nowrap;
}
.platform-btn:hover:not(.active) { color: var(--text-2); background: var(--accent-dim); }
.platform-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(99,102,241,0.4);
}
.platform-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== TAB BAR ===== */
.tab-bar {
  display: flex;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }

.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 13px;
  padding: 10px 12px;
  white-space: nowrap;
  transition: color var(--ease), border-color var(--ease);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--accent-h); border-bottom-color: var(--accent); font-weight: 600; }
.tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }

/* ===== TAB PANELS ===== */
.tab-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.panel-inner {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel-desc {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.55;
}

/* ===== FORM ELEMENTS ===== */
.field-group { display: flex; flex-direction: column; gap: 6px; }

.field-label { font-size: 13px; font-weight: 600; color: var(--text); }
.field-hint   { font-size: 12px; color: var(--text-3); }

.text-field,
.textarea-field,
.select-field {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 12px;
  width: 100%;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.textarea-field {
  resize: vertical;
  min-height: 96px;
  line-height: 1.5;
}

.textarea-field::placeholder { color: var(--text-3); }

.text-field:hover,
.textarea-field:hover,
.select-field:hover { border-color: var(--text-3); }

.text-field:focus,
.textarea-field:focus,
.select-field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

.select-field { cursor: pointer; appearance: auto; }

.input-row { display: flex; gap: 8px; }
.input-row .text-field { flex: 1; }

/* ===== BUTTONS ===== */
.btn-primary {
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  transition: background var(--ease), transform var(--ease);
}
.btn-primary:hover:not(:disabled) { background: var(--accent-h); }
.btn-primary:active:not(:disabled) { transform: scale(0.98); }
.btn-primary:focus-visible { outline: 2px solid var(--accent-h); outline-offset: 2px; }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-primary.full-width { width: 100%; padding: 12px; font-size: 15px; }

.btn-secondary {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 16px;
  white-space: nowrap;
  transition: background var(--ease);
}
.btn-secondary:hover { background: var(--border); }
.btn-secondary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  padding: 10px 16px;
  transition: background var(--ease), color var(--ease);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-ghost.bookmarked {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent-h);
}

.bookmark-btn {
  background: var(--surface-2);
  border-color: var(--text-3);
  font-weight: 500;
}
.bookmark-btn:hover {
  border-color: var(--accent);
  background: var(--accent-dim);
  color: var(--accent-h);
}

.btn-settings {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  padding: 8px 16px;
  white-space: nowrap;
  transition: background var(--ease), border-color var(--ease);
}
.btn-settings:hover { background: var(--border); }
.btn-settings:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.btn-theme {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 7px 12px;
  transition: background var(--ease), border-color var(--ease);
}
.btn-theme:hover { background: var(--border); border-color: var(--text-3); }
.btn-theme:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.header-actions { display: flex; align-items: center; gap: 8px; }

.btn-link {
  background: none;
  border: none;
  color: var(--warn);
  cursor: pointer;
  font-family: var(--font);
  font-size: 14px;
  font-weight: 600;
  padding: 2px 4px;
  text-decoration: underline;
}
.btn-link:focus-visible { outline: 2px solid var(--warn); outline-offset: 2px; border-radius: 2px; }

.icon-btn {
  background: none;
  border: none;
  border-radius: var(--radius);
  color: var(--text-2);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  padding: 4px 8px;
  transition: color var(--ease), background var(--ease);
}
.icon-btn:hover { color: var(--text); background: var(--surface-2); }
.icon-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== EXAMPLE CHIPS ===== */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}
.chip-label { font-size: 12px; color: var(--text-3); }

.chip {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-2);
  cursor: pointer;
  font-family: var(--font);
  font-size: 12px;
  padding: 4px 12px;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.chip:hover { background: var(--accent-dim); border-color: var(--accent); color: var(--accent-h); }
.chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ===== SPINNER ===== */
.btn-spinner {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.btn-spinner span {
  display: inline-block;
  width: 6px; height: 6px;
  background: rgba(255,255,255,0.9);
  border-radius: 50%;
  animation: dot-bounce 1.2s infinite ease-in-out;
}
.btn-spinner span:nth-child(2) { animation-delay: 0.2s; }
.btn-spinner span:nth-child(3) { animation-delay: 0.4s; }

@keyframes dot-bounce {
  0%, 80%, 100% { transform: scale(0.55); opacity: 0.4; }
  40% { transform: scale(1); opacity: 1; }
}

/* ===== INFO BOX ===== */
.info-box {
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
}
.info-box strong { color: var(--text); }

/* ===== STATUS MESSAGE ===== */
.status-msg {
  font-size: 14px;
  padding: 10px 14px;
  border-radius: var(--radius);
}
.status-msg.success { background: var(--success-dim); color: var(--success); }
.status-msg.error   { background: var(--error-dim);   color: var(--error);   }

/* ===== TRANSLATOR EXAMPLE ===== */
.example-translator {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.example-label { font-size: 11px; font-weight: 600; letter-spacing: 0.6px; text-transform: uppercase; color: var(--text-3); margin-bottom: 4px; }
.example-text  { font-size: 14px; color: var(--text-2); font-style: italic; }

/* ===== HISTORY ===== */
.history-list { display: flex; flex-direction: column; gap: 8px; }

.empty-state { font-size: 14px; color: var(--text-3); text-align: center; padding: 24px 0; }

.history-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  padding: 12px 16px;
  text-align: left;
  transition: border-color var(--ease), background var(--ease);
  width: 100%;
}
.history-item:hover  { border-color: var(--accent); background: var(--accent-dim); }
.history-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.history-query { font-size: 13px; color: var(--text); font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-meta  { font-size: 12px; color: var(--text-3); margin-top: 2px; }

/* ===== OUTPUT COLUMN ===== */
.output-col { min-height: 400px; }

.output-placeholder {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 72px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.placeholder-glyph   { font-size: 44px; color: var(--text-3); line-height: 1; }
.placeholder-heading { font-size: 17px; font-weight: 600; color: var(--text-2); }
.placeholder-sub     { font-size: 14px; color: var(--text-3); }

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0);     }
}

/* ===== STORY CARD ===== */
.story-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeUp 0.2s ease;
}

.card-head {
  background: linear-gradient(135deg, var(--accent-dim) 0%, var(--accent-dim-h) 100%);
  border-bottom: 1px solid var(--border);
  padding: 22px 26px;
}

.platform-badge {
  display: inline-block;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-3);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 10px;
  padding: 2px 10px;
}

.story-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-h);
  margin-bottom: 6px;
}

.story-type-val { font-size: 21px; font-weight: 800; color: var(--text); line-height: 1.3; }
.card-query     { font-size: 13px; color: var(--text-2); margin-top: 6px; font-style: italic; }

.visual-hero {
  padding: 20px 26px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.visual-name { font-size: 23px; font-weight: 800; color: var(--accent-h); white-space: nowrap; flex-shrink: 0; }
.visual-why  { font-size: 15px; color: var(--text); line-height: 1.55; padding-top: 5px; }

.card-body {
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-section { display: flex; flex-direction: column; gap: 8px; }

.section-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-3);
}

.axis-grid {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 4px 12px;
  font-size: 14px;
}
.axis-key { color: var(--text-3); font-weight: 600; }
.axis-val { color: var(--text); }

.rule-box {
  border-left: 3px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  line-height: 1.55;
  padding: 12px 16px;
}
.rule-box.mistake { background: var(--error-dim);   border-color: var(--error);   color: var(--text); }
.rule-box.tip     { background: var(--success-dim); border-color: var(--success); color: var(--text); }

.alt-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alt-name {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 13px;
  font-weight: 600;
  padding: 3px 12px;
  white-space: nowrap;
  flex-shrink: 0;
}
.alt-desc { font-size: 14px; color: var(--text-2); line-height: 1.5; }

.card-divider { height: 1px; background: var(--border); }

.card-foot {
  padding: 16px 26px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
}
.copy-confirm { font-size: 13px; color: var(--success); font-weight: 600; }

/* ===== TRANSLATOR CARD ===== */
.translator-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: fadeUp 0.2s ease;
}

.trans-head {
  background: linear-gradient(135deg, var(--accent-dim) 0%, var(--accent-dim-h) 100%);
  border-bottom: 1px solid var(--border);
  padding: 20px 26px;
}
.trans-head h3 { font-size: 17px; font-weight: 700; color: var(--accent-h); }

.trans-body {
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ===== ERROR / SOFT PROMPT ===== */
.error-card {
  background: var(--error-dim);
  border: 1px solid var(--error);
  border-radius: var(--radius-lg);
  padding: 22px 26px;
  animation: fadeUp 0.2s ease;
}
.error-card p { font-size: 14px; color: var(--text); line-height: 1.55; }
.error-card strong { color: var(--error); }

.soft-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 26px;
  text-align: center;
  animation: fadeUp 0.2s ease;
}
.soft-card p { font-size: 15px; color: var(--text-2); line-height: 1.6; }

/* ===== LOADING CARD ===== */
.loading-card {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 80px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  animation: fadeUp 0.2s ease;
}
.loading-dots { display: flex; gap: 8px; }
.loading-dots span {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  animation: dot-bounce 1.2s infinite ease-in-out;
}
.loading-dots span:nth-child(2) { animation-delay: 0.2s; }
.loading-dots span:nth-child(3) { animation-delay: 0.4s; }
.loading-text { font-size: 14px; color: var(--text-2); }

/* ===== DAX SECTION ===== */
.dax-section {
  padding: 20px 26px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
  animation: fadeUp 0.2s ease;
}

.dax-code-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.dax-code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
}

.dax-measure-name {
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent-h);
}

.dax-code {
  display: block;
  font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
  font-size: 13px;
  color: var(--text);
  line-height: 1.65;
  padding: 14px;
  white-space: pre;
  overflow-x: auto;
  tab-size: 4;
  margin: 0;
}

.dax-meta {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.dax-explanation  { font-size: 13px; color: var(--text-2); line-height: 1.5; }
.dax-assumptions  { font-size: 12px; color: var(--text-3); font-style: italic; }

.dax-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-2);
  font-size: 14px;
}

/* ===== BOOKMARKS ===== */
.bookmarks-list { display: flex; flex-direction: column; gap: 8px; }

.bookmark-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.bookmark-replay-btn {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font);
  min-width: 0;
  padding: 12px 16px;
  text-align: left;
  transition: border-color var(--ease), background var(--ease);
}
.bookmark-replay-btn:hover  { border-color: var(--accent); background: var(--accent-dim); }
.bookmark-replay-btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.bookmark-delete-btn { flex-shrink: 0; }

/* ===== FOOTER ===== */
.app-footer {
  border-top: 1px solid var(--border);
  padding: 16px 24px;
  margin-top: auto;
}
.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  font-size: 13px;
  color: var(--text-3);
  text-align: center;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 20px;
  }
  .input-col { position: static; }
  .brand-tagline { display: none; }
  .header-inner { padding: 12px 16px; }
}

@media (max-width: 480px) {
  .layout { padding: 12px; gap: 16px; }
  .visual-hero { flex-direction: column; gap: 8px; }
  .visual-name { font-size: 19px; }
  .card-head, .card-body, .card-foot,
  .visual-hero, .trans-head, .trans-body { padding-left: 18px; padding-right: 18px; }
  .overlay { padding: 0; align-items: flex-end; }
  .settings-panel { max-width: 100%; border-radius: var(--radius-lg) var(--radius-lg) 0 0; }
}