/* Nadira AI Sidebar — Modern Light Design */

:root {
  --bg:          #fafaf9;
  --surface:     #ffffff;
  --border:      #e7e5e4;
  --text:        #292524;
  --text2:       #a8a29e;
  --accent:      #d97706;
  --accent-dark: #b45309;
  --user-bubble: #ffffff;
  --shadow:      rgba(14,63,126,0.04) 0px 0px 0px 1px,
                 rgba(42,51,69,0.04) 0px 1px 1px -0.5px,
                 rgba(42,51,70,0.04) 0px 3px 3px -1.5px,
                 rgba(42,51,70,0.04) 0px 6px 6px -3px,
                 rgba(14,63,126,0.04) 0px 12px 12px -6px,
                 rgba(14,63,126,0.04) 0px 24px 24px -12px;
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, system-ui, 'Segoe UI', 'Roboto', sans-serif;
  font-size: 14px;
  line-height: 1.5;
}
body { display: flex; flex-direction: column; }

/* ── HEADER ────────────────────────────────────────────────────── */
.header {
  display: flex;
  align-items: center;
  padding: 0 16px;
  height: 52px;
  background: var(--surface);
  border-bottom: none;
  flex-shrink: 0;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 10;
}

.header-left  { display: flex; align-items: center; gap: 10px; flex: 1; }
.header-right { display: flex; align-items: center; gap: 4px; flex: 0 0 auto; }

.logo-mark {
  width: 30px; height: 30px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}

.logo-text { font-size: 15px; font-weight: 700; color: var(--text); }

.icon-btn {
  width: 32px; height: 32px;
  border: none; background: transparent;
  color: var(--text2); cursor: pointer;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.15s, color 0.15s;
}
.icon-btn:hover { background: #f5f5f4; color: var(--text); }
.icon-btn svg   { display: block; }

/* ── SUB-BAR (model selector row) ──────────────────────────────── */
.sub-bar {
  display: flex;
  align-items: center;
  padding: 6px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.model-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 5px 10px 5px 8px;
  cursor: pointer;
  transition: border-color 0.15s;
  max-width: 100%;
  overflow: hidden;
}
.model-pill:hover { border-color: var(--accent); }

.model-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.model-select {
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 12px;
  font-weight: 500;
  padding: 0;
  outline: none;
  cursor: pointer;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
  flex: 1;
  min-width: 0;
}
.model-select option { background: #fff; color: var(--text); }

.model-chevron {
  flex-shrink: 0;
  color: var(--text2);
  pointer-events: none;
}

/* ── SETTINGS PAGE (full-screen overlay) ───────────────────────── */
#settingsPage {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  z-index: 50;
  flex-direction: column;
  overflow: hidden;
}
#settingsPage.open { display: flex; }

.sp-header {
  display: flex;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: 4px;
  background: var(--surface);
}
.sp-back {
  display: flex; align-items: center; gap: 4px;
  background: none; border: none;
  color: var(--accent); font-size: 13px; font-weight: 500;
  cursor: pointer; padding: 4px 6px;
  border-radius: 8px; font-family: inherit;
}
.sp-back:hover { background: var(--bg); }
.sp-title {
  font-size: 15px; font-weight: 600; color: var(--text);
  flex: 1; text-align: center; margin-right: 48px;
}
.sp-body {
  flex: 1; overflow-y: auto;
  padding: 8px 0;
}
.sp-section { border-bottom: 1px solid var(--border); }
.sp-section-hdr {
  width: 100%;
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  background: none; border: none;
  color: var(--text); cursor: pointer;
  font-size: 14px; font-weight: 500;
  font-family: inherit; text-align: left;
  transition: background .12s;
}
.sp-section-hdr:hover { background: #f5f5f4; }
.sp-section-hdr.active { color: var(--accent); }
.sp-section-icon { font-size: 16px; }
.sp-section-label { flex: 1; }
.sp-chevron { color: var(--text2); transition: transform .2s; flex-shrink: 0; }
.sp-section-hdr.active .sp-chevron { transform: rotate(180deg); }

.sp-section-body {
  display: none;
  padding: 4px 16px 14px;
  background: #f5f5f4;
}
.sp-section-body.open { display: block; }

.sp-row {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 9px 0; font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.sp-row:last-child { border-bottom: none; }
.sp-row-label { color: var(--text2); }
.sp-row-value { font-weight: 500; }
.sp-row-value.orange { color: var(--accent); }
.sp-row-value.green  { color: #16a34a; }
.sp-row-value.red    { color: #dc2626; }

.sp-tokens-wrap { padding: 8px 0; }
.sp-tokens-hdr {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--text2); margin-bottom: 6px;
}

.tg-connect-btn {
  width: 100%; padding: 10px;
  background: #229ed9; color: #fff;
  border: none; border-radius: 10px;
  font-size: 13px; font-weight: 500;
  cursor: pointer; font-family: inherit;
  display: flex; align-items: center; justify-content: center;
  gap: 8px; transition: background .15s;
}
.tg-connect-btn:hover { background: #1a8bbf; }

.tg-open-btn {
  display: block; width: 100%; padding: 10px;
  background: rgba(34,158,217,0.08);
  border: 1.5px solid #229ed9;
  border-radius: 10px; color: #229ed9;
  font-size: 13px; font-weight: 500;
  text-align: center; text-decoration: none;
  transition: background .15s;
}
.tg-open-btn:hover { background: rgba(34,158,217,0.15); }

.lang-btns {
  display: flex; gap: 8px; padding: 8px 0;
}
.lang-btn {
  flex: 1; padding: 9px 6px;
  border: 1.5px solid var(--border);
  background: var(--surface); color: var(--text);
  border-radius: 10px; font-size: 13px;
  cursor: pointer; font-family: inherit;
  transition: all .15s; text-align: center;
}
.lang-btn:hover { border-color: var(--accent); }
.lang-btn.active {
  border-color: var(--accent);
  background: rgba(217,119,6,0.08);
  color: var(--accent); font-weight: 600;
}

/* ── SETTINGS PANEL (inline, kept for reuse) ───────────────────── */
.settings-panel {
  display: none;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.settings-label {
  font-size: 11px; font-weight: 600;
  color: var(--text2); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 7px;
}

.settings-row { display: flex; gap: 6px; margin-bottom: 7px; }

.settings-input {
  flex: 1; padding: 8px 12px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; color: var(--text); font-size: 13px; outline: none;
  font-family: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.settings-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(217,119,6,0.1); }

.settings-save-btn {
  padding: 8px 16px;
  background: var(--accent); color: #fff;
  border: none; border-radius: 10px;
  font-size: 12px; font-weight: 500; cursor: pointer; white-space: nowrap;
  transition: background 0.15s;
}
.settings-save-btn:hover { background: var(--accent-dark); }

.settings-test-btn {
  width: 100%; padding: 8px 12px;
  background: var(--bg); color: var(--text2);
  border: 1px solid var(--border); border-radius: 10px;
  font-size: 12px; cursor: pointer; text-align: left;
  font-family: inherit;
  transition: border-color 0.15s, color 0.15s;
}
.settings-test-btn:hover { border-color: var(--accent); color: var(--accent); }

.settings-status { font-size: 12px; color: var(--text2); margin-top: 6px; min-height: 16px; }
.settings-status.ok  { color: #16a34a; font-weight: 600; }
.settings-status.err { color: #dc2626; }

/* ── MESSAGES ──────────────────────────────────────────────────── */
.messages {
  flex: 1; overflow-y: auto;
  padding: 20px 16px 12px;
  display: flex; flex-direction: column; gap: 0;
  background: var(--bg);
  scrollbar-width: thin;
  scrollbar-color: #d6d3d1 transparent;
}
.messages::-webkit-scrollbar { width: 4px; }
.messages::-webkit-scrollbar-thumb { background: #d6d3d1; border-radius: 4px; }

/* ── WELCOME ───────────────────────────────────────────────────── */
.welcome {
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  padding: 48px 16px 32px;
}

.welcome-icon { margin-bottom: 24px; }

.welcome-logo {
  width: 80px; height: 80px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto;
  overflow: hidden;
}

.welcome-title {
  font-size: 20px; font-weight: 600;
  color: var(--text); margin-bottom: 6px;
}
.welcome-sub {
  font-size: 13px; color: var(--text2);
  margin-bottom: 28px;
}

.welcome-cards {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; width: 100%;
}

.welcome-card {
  display: flex; flex-direction: column;
  align-items: center; gap: 6px;
  padding: 16px 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px; cursor: pointer;
  transition: all 0.2s;
  box-shadow: var(--shadow);
  font-family: inherit;
}
.welcome-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: rgba(14,63,126,0.06) 0px 0px 0px 1px,
              rgba(42,51,69,0.06) 0px 1px 1px -0.5px,
              rgba(42,51,70,0.06) 0px 3px 3px -1.5px,
              rgba(42,51,70,0.06) 0px 6px 6px -3px,
              rgba(14,63,126,0.06) 0px 12px 12px -6px,
              rgba(14,63,126,0.06) 0px 24px 24px -12px;
}

.card-icon { font-size: 22px; }
.card-text { font-size: 12px; color: var(--text2); font-weight: 500; }

/* ── MESSAGE ROWS ──────────────────────────────────────────────── */
.msg {
  display: flex;
  padding: 6px 0;
  animation: fadeSlideIn 0.3s ease-out;
}
.msg-user {
  justify-content: flex-end;
  animation: slideUpBounce 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.msg-ai { justify-content: flex-start; gap: 8px; align-items: flex-start; }

/* AI avatar — animated orb container */
.avatar {
  width: 28px; height: 28px;
  flex-shrink: 0;
  margin-top: 2px;
}

.msg-body { max-width: 88%; min-width: 0; }

/* AI message: no background, clean text */
.bubble-ai {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text);
  word-wrap: break-word;
  padding: 2px 0;
}

/* ── MARKDOWN RENDERED ELEMENTS ────────────────────────────────── */
.bubble-ai p { margin: 0 0 4px; }
.bubble-ai p:last-child { margin-bottom: 0; }

.bubble-ai h3 {
  font-size: 15px; font-weight: 700;
  color: var(--text);
  margin: 14px 0 6px;
  line-height: 1.3;
}
.bubble-ai h3:first-child { margin-top: 0; }

.bubble-ai h4 {
  font-size: 14px; font-weight: 600;
  color: var(--text);
  margin: 10px 0 4px;
  line-height: 1.3;
}

.bubble-ai h5 {
  font-size: 13px; font-weight: 600;
  color: var(--text2);
  margin: 8px 0 4px;
}

.bubble-ai ul, .bubble-ai ol {
  margin: 4px 0 8px 0;
  padding-left: 20px;
}

.bubble-ai li {
  margin-bottom: 3px;
  line-height: 1.5;
}
.bubble-ai li:last-child { margin-bottom: 0; }

.bubble-ai table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 8px 0;
  font-size: 12px;
  line-height: 1.4;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.bubble-ai thead th {
  background: #f5f5f4;
  font-weight: 600;
  text-align: left;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
  color: var(--text);
  white-space: nowrap;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.bubble-ai tbody td {
  padding: 7px 10px;
  border-bottom: 1px solid #f5f5f4;
  color: var(--text);
}
.bubble-ai tbody tr:last-child td { border-bottom: none; }
.bubble-ai tbody tr:hover { background: #fafaf9; }

.bubble-ai code {
  background: #f5f5f4;
  border-radius: 5px;
  padding: 2px 6px;
  font-size: 12px;
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
  color: #c2410c;
}

.bubble-ai hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 12px 0;
}

.bubble-ai strong { color: var(--text); font-weight: 600; }

/* ── REVIEW REPLY CARD STYLES ─────────────────────────────────── */
.review-reply-card {
  border-radius: 12px;
  padding: 12px;
  margin: 8px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: opacity 0.3s;
}
.rrc-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}
.rrc-stars { font-size: 12px; }
.rrc-author { font-size: 12px; font-weight: 600; color: var(--text); }
.rrc-product { font-size: 11px; color: var(--text2); margin-bottom: 6px; }
.rrc-review-text {
  font-size: 12px;
  color: var(--text2);
  font-style: italic;
  margin-bottom: 8px;
  line-height: 1.4;
}
.rrc-reply {
  padding: 8px;
  background: rgba(59, 130, 246, 0.06);
  border-radius: 8px;
  border-left: 2px solid #3b82f6;
  margin-bottom: 8px;
}
.rrc-reply-label {
  font-size: 10px;
  color: var(--text2);
  margin-bottom: 4px;
  font-weight: 600;
}
.rrc-reply-text {
  font-size: 12px;
  color: var(--text);
  line-height: 1.5;
}
.rrc-actions {
  display: flex;
  gap: 8px;
}
.rrc-send-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  border-radius: 8px;
  background: #3b82f6;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
}
.rrc-send-btn:hover:not(:disabled) { background: #2563eb; }
.rrc-send-btn:disabled { cursor: default; opacity: 0.8; }
.rrc-skip-btn {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text2);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
}
.rrc-skip-btn:hover:not(:disabled) { background: var(--border); }
.rrc-skip-btn:disabled { cursor: default; opacity: 0.5; }
.rrc-send-all-wrap {
  margin: 12px 0 4px;
  text-align: center;
}
.rrc-send-all-btn {
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 10px;
  background: linear-gradient(135deg, #3b82f6, #2563eb);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}
.rrc-send-all-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4); }
.rrc-send-all-btn:disabled { cursor: default; opacity: 0.9; }

/* ── INVOICE CARD STYLES ──────────────────────────────────────── */
.invoice-card {
  border-radius: 12px;
  padding: 14px;
  margin: 8px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid #d97706;
  box-shadow: var(--shadow);
  transition: opacity 0.3s;
}
.inv-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.inv-icon { font-size: 18px; }
.inv-title { font-size: 14px; font-weight: 600; color: var(--text); }
.inv-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 12px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-bottom: 10px;
}
.inv-table thead th {
  background: #f5f5f4;
  font-weight: 600;
  text-align: left;
  padding: 7px 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.inv-table tbody td {
  padding: 6px 8px;
  border-bottom: 1px solid #f5f5f4;
  color: var(--text);
}
.inv-table tbody tr:last-child td { border-bottom: none; }
.inv-table tfoot td {
  padding: 7px 8px;
  border-top: 2px solid var(--border);
  color: var(--text);
}
.inv-actions {
  display: flex;
  gap: 8px;
}
.inv-create-btn {
  flex: 1;
  padding: 9px 14px;
  border: none;
  border-radius: 8px;
  background: #d97706;
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, opacity 0.2s;
  font-family: inherit;
}
.inv-create-btn:hover:not(:disabled) { background: #b45309; }
.inv-create-btn:disabled { cursor: default; opacity: 0.8; }
.inv-skip-btn {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text2);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
  font-family: inherit;
}
.inv-skip-btn:hover:not(:disabled) { background: var(--border); }
.inv-skip-btn:disabled { cursor: default; opacity: 0.5; }

/* ── CHART STYLES ─────────────────────────────────────────────── */
.chart-container {
  border-radius: 16px;
  padding: 16px;
  margin: 8px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.chart-container svg { display: block; max-width: 100%; }
.chart-container svg text { font-family: -apple-system, system-ui, 'Segoe UI', 'Roboto', sans-serif; }

.chart-title {
  font-size: 13px; font-weight: 600;
  color: var(--text); margin-bottom: 10px;
}

.chart-label  { fill: var(--text2); font-size: 11px; }
.chart-value  { fill: var(--text); font-size: 12px; font-weight: 600; }
.chart-axis-label { fill: var(--text2); font-size: 10px; }
.chart-pie-total  { fill: var(--text); font-size: 18px; font-weight: 700; }
.chart-pie-total-label { fill: var(--text2); font-size: 10px; }

.chart-legend {
  display: flex; flex-wrap: wrap;
  gap: 8px 14px; margin-top: 10px;
}
.chart-legend-item {
  display: flex; align-items: center; gap: 5px;
  font-size: 11px; color: var(--text2);
}
.chart-legend-dot {
  width: 8px; height: 8px;
  border-radius: 50%; flex-shrink: 0;
}
.chart-legend-label { color: var(--text2); }
.chart-legend-value { color: var(--text); font-weight: 600; }

/* KPI Cards */
.chart-kpi-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px; margin: 8px 0;
}
.chart-kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px;
  box-shadow: var(--shadow);
}
.chart-kpi-label {
  font-size: 10px; font-weight: 600;
  color: var(--text2);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  margin-bottom: 6px;
}
.chart-kpi-value {
  font-size: 22px; font-weight: 700;
  color: var(--text); line-height: 1.2;
  font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
}
.chart-kpi-unit {
  font-size: 12px; font-weight: 500;
  color: var(--text2); margin-left: 2px;
}
.chart-kpi-change {
  display: inline-flex; align-items: center;
  gap: 3px; font-size: 11px; font-weight: 600;
  margin-top: 4px; padding: 2px 6px;
  border-radius: 6px;
}
.chart-kpi-up {
  color: #16a34a; background: rgba(22,163,74,0.1);
}
.chart-kpi-down {
  color: #dc2626; background: rgba(220,38,38,0.1);
}

/* Progress Bars */
.chart-progress-row { margin-bottom: 10px; }
.chart-progress-row:last-child { margin-bottom: 0; }
.chart-progress-header {
  display: flex; justify-content: space-between;
  font-size: 12px; margin-bottom: 4px;
}
.chart-progress-label { color: var(--text); font-weight: 500; }
.chart-progress-values { color: var(--text2); }
.chart-progress-track {
  height: 8px; border-radius: 4px;
  background: var(--chart-track, #f5f5f4);
  overflow: hidden;
}
.chart-progress-fill {
  height: 100%; border-radius: 4px;
  transition: width 0.6s ease-out;
}

/* User message: white rounded bubble with shadow */
.bubble-user {
  display: inline-block;
  padding: 10px 16px;
  background: var(--surface);
  color: var(--text);
  border-radius: 20px 20px 6px 20px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  max-width: 100%;
  box-shadow: var(--shadow);
}

.msg-time  { font-size: 10px; color: var(--text2); margin-top: 4px; padding: 0 2px; }
.time-right { text-align: right; }

/* ── TYPING INDICATOR ──────────────────────────────────────────── */
.typing {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 12px 16px;
  background: var(--surface);
  border-radius: 20px 20px 20px 6px;
  box-shadow: var(--shadow);
}
.typing span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--text2); animation: bounce 1.4s infinite ease-in-out;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }

/* ── TASK CARDS ────────────────────────────────────────────────── */
.task-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid #999;
  border-radius: 12px;
  padding: 12px 14px;
  margin-top: 4px;
  transition: opacity 0.3s;
  box-shadow: var(--shadow);
}
.task-priority { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text2); margin-bottom: 5px; }
.task-title    { font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.task-reason   { font-size: 12px; color: var(--text2); margin-bottom: 10px; line-height: 1.4; }
.task-actions  { display: flex; gap: 6px; }

.tbtn { padding: 6px 14px; border-radius: 10px; border: none; cursor: pointer; font-size: 12px; font-weight: 500; transition: all 0.15s; font-family: inherit; }
.tbtn-do       { background: #dcfce7; color: #166534; }
.tbtn-do:hover { background: #bbf7d0; }
.tbtn-skip       { background: #fff7ed; color: #c2410c; }
.tbtn-skip:hover { background: #ffedd5; }

/* ── CHIPS BAR ─────────────────────────────────────────────────── */
.chips-bar {
  display: flex; gap: 6px;
  padding: 8px 16px; overflow-x: auto;
  flex-shrink: 0; background: var(--bg);
  border-top: 1px solid var(--border);
  scrollbar-width: none;
}
.chips-bar::-webkit-scrollbar { display: none; }

.chip {
  padding: 7px 16px; border-radius: 20px;
  border: 1px solid var(--border); background: var(--surface);
  color: var(--text2); font-size: 12px;
  white-space: nowrap; cursor: pointer; flex-shrink: 0;
  font-family: inherit;
  transition: all 0.2s;
  box-shadow: var(--shadow);
}
.chip:hover {
  border-color: var(--accent); color: var(--accent);
  background: rgba(217,119,6,0.05);
  transform: translateY(-1px);
}

/* ── INPUT AREA ────────────────────────────────────────────────── */
.input-area {
  padding: 8px 12px 6px;
  background: var(--bg);
  flex-shrink: 0;
}

/* File preview — shown above input when file is attached */
.file-preview-bar {
  display: none;
  margin-bottom: 6px;
}

.file-preview-card {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 13px;
  box-shadow: var(--shadow);
}

.fp-icon { font-size: 16px; flex-shrink: 0; }
.fp-name { flex: 1; font-weight: 500; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fp-size { color: var(--text2); font-size: 12px; white-space: nowrap; flex-shrink: 0; }

.fp-remove {
  width: 22px; height: 22px;
  border: none; background: transparent;
  color: var(--text2); cursor: pointer;
  border-radius: 50%; font-size: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.fp-remove:hover { background: #fee2e2; color: #dc2626; }

/* Input box — rounded white container with subtle shadow */
.input-box {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  background: var(--surface);
  border: none;
  border-radius: 24px;
  padding: 6px 6px 6px 16px;
  transition: box-shadow 0.2s;
  min-height: 48px;
  box-shadow: rgba(14,63,126,0.06) 0px 0px 0px 1px,
              rgba(42,51,69,0.06) 0px 1px 1px -0.5px,
              rgba(42,51,70,0.06) 0px 3px 3px -1.5px,
              rgba(42,51,70,0.06) 0px 6px 6px -3px,
              rgba(14,63,126,0.06) 0px 12px 12px -6px,
              rgba(14,63,126,0.06) 0px 24px 24px -12px;
}
.input-box:focus-within {
  box-shadow: rgba(14,63,126,0.06) 0px 0px 0px 1px,
              rgba(42,51,69,0.06) 0px 1px 1px -0.5px,
              rgba(42,51,70,0.06) 0px 3px 3px -1.5px,
              rgba(42,51,70,0.06) 0px 6px 6px -3px,
              rgba(14,63,126,0.06) 0px 12px 12px -6px,
              rgba(14,63,126,0.06) 0px 24px 24px -12px,
              0 0 0 2px rgba(217,119,6,0.12);
}

.input-field {
  flex: 1;
  border: none; background: transparent;
  color: var(--text);
  font-size: 14px; font-family: inherit;
  resize: none; outline: none;
  line-height: 1.5;
  max-height: 120px;
  overflow-y: auto;
  padding: 5px 0;
  align-self: center;
}
.input-field::placeholder { color: var(--text2); }

.attach-btn {
  width: 34px; height: 34px;
  border-radius: 50%;
  border: none;
  background: #f5f5f4;
  color: var(--text2); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-bottom: 2px;
  transition: background 0.15s, color 0.15s;
}
.attach-btn:hover { background: #e7e5e4; color: var(--text); }

/* Send button: contains animated orb */
.send-btn {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: none;
  background: transparent;
  cursor: default;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-bottom: 1px;
  padding: 0;
  position: relative;
  transition: opacity 0.2s, transform 0.15s;
  opacity: 0.4;
}
.send-btn.active {
  opacity: 1; cursor: pointer;
}
.send-btn.active:hover  { transform: scale(1.08); }
.send-btn.active:active { transform: scale(0.92); }

.send-btn.stop {
  opacity: 1; cursor: pointer;
}
.send-btn.stop:hover  { transform: scale(1.08); }
.send-btn.stop:active { transform: scale(0.92); }

/* Stop icon overlay on red orb */
.stop-icon {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 12px; height: 12px;
  background: #991b1b;
  border-radius: 2px;
  z-index: 2;
  pointer-events: none;
}

.input-hint {
  text-align: center;
  font-size: 11px; color: var(--text2);
  margin-top: 6px;
}

/* ── IMAGE / FILE IN MESSAGES ──────────────────────────────────── */
.img-preview { max-width: 180px; max-height: 160px; border-radius: 10px; display: block; margin-bottom: 4px; box-shadow: var(--shadow); }
.file-name   { font-size: 11px; color: var(--text2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 220px; }

/* ── ANIMATED ORB ──────────────────────────────────────────────── */
.orb {
  position: relative;
  border-radius: 50%;
  overflow: hidden;
  animation: orbHueRotate 8s linear infinite;
  box-shadow: rgba(17,12,46,0.1) 0px 8px 24px 0px;
}

.orb-blur {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: orbHueRotateBlur 6s linear infinite reverse;
}

.orb-c {
  position: absolute;
  border-radius: 50%;
}
.orb-c1 { background: #9e9fef; opacity: 0.9; animation: orbOrbit1 6s ease-in-out infinite; }
.orb-c2 { background: #c471ec; opacity: 0.85; animation: orbOrbit2 5s ease-in-out infinite; }
.orb-c3 { background: #9bc761; opacity: 0.9; animation: orbOrbit3 7s ease-in-out infinite; }
.orb-c4 { background: #ccd4f2; opacity: 0.8; animation: orbOrbit4 4s ease-in-out infinite; }
.orb-c5 { background: #f472b6; opacity: 0.85; animation: orbOrbit5 5.5s ease-in-out infinite; }

/* Red variant for stop button */
.orb-red { background-color: #fef2f2 !important; }
.orb-red .orb-c1 { background: #ef4444; }
.orb-red .orb-c2 { background: #f87171; }
.orb-red .orb-c3 { background: #dc2626; }
.orb-red .orb-c4 { background: #fca5a5; }
.orb-red .orb-c5 { background: #fb7185; }

.orb-shine {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4) 0%, transparent 100%);
}

/* ── STREAMING STATE ──────────────────────────────────────────── */
.bubble-ai.streaming {
  white-space: pre-wrap;
  word-break: break-word;
}

/* ── STREAMING CURSOR ──────────────────────────────────────────── */
.stream-cursor {
  display: inline;
  color: var(--accent);
  animation: blink 0.7s infinite;
  margin-left: 1px;
  font-size: 14px;
  line-height: 1;
  vertical-align: baseline;
}
.stream-cursor::after {
  content: '\25CB';
}

/* ── STATUS INDICATOR ──────────────────────────────────────────── */
.stream-status {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text2);
  padding: 6px 0;
  animation: fadeSlideIn 0.2s ease-out;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  animation: statusPulse 1.2s infinite ease-in-out;
}

/* ── ORB KEYFRAMES ─────────────────────────────────────────────── */
@keyframes orbHueRotate {
  0%   { filter: hue-rotate(0deg); }
  25%  { filter: hue-rotate(45deg); }
  50%  { filter: hue-rotate(90deg); }
  75%  { filter: hue-rotate(45deg); }
  100% { filter: hue-rotate(0deg); }
}

@keyframes orbHueRotateBlur {
  0%   { filter: blur(var(--orb-blur, 6px)) hue-rotate(0deg); }
  25%  { filter: blur(var(--orb-blur, 6px)) hue-rotate(45deg); }
  50%  { filter: blur(var(--orb-blur, 6px)) hue-rotate(90deg); }
  75%  { filter: blur(var(--orb-blur, 6px)) hue-rotate(45deg); }
  100% { filter: blur(var(--orb-blur, 6px)) hue-rotate(0deg); }
}

@keyframes orbOrbit1 {
  0%   { transform: rotate(0deg) translateX(25%) rotate(0deg) scale(1); }
  25%  { transform: rotate(90deg) translateX(30%) rotate(-90deg) scale(1.15); }
  50%  { transform: rotate(180deg) translateX(25%) rotate(-180deg) scale(0.9); }
  75%  { transform: rotate(270deg) translateX(30%) rotate(-270deg) scale(1.1); }
  100% { transform: rotate(360deg) translateX(25%) rotate(-360deg) scale(1); }
}

@keyframes orbOrbit2 {
  0%   { transform: rotate(90deg) translateX(20%) rotate(-90deg) scale(1); }
  25%  { transform: rotate(180deg) translateX(25%) rotate(-180deg) scale(0.85); }
  50%  { transform: rotate(270deg) translateX(20%) rotate(-270deg) scale(1.2); }
  75%  { transform: rotate(360deg) translateX(25%) rotate(-360deg) scale(0.95); }
  100% { transform: rotate(450deg) translateX(20%) rotate(-450deg) scale(1); }
}

@keyframes orbOrbit3 {
  0%   { transform: rotate(180deg) translateX(30%) rotate(-180deg) scale(1); }
  25%  { transform: rotate(270deg) translateX(35%) rotate(-270deg) scale(1.1); }
  50%  { transform: rotate(360deg) translateX(30%) rotate(-360deg) scale(0.85); }
  75%  { transform: rotate(450deg) translateX(35%) rotate(-450deg) scale(1.15); }
  100% { transform: rotate(540deg) translateX(30%) rotate(-540deg) scale(1); }
}

@keyframes orbOrbit4 {
  0%   { transform: rotate(270deg) translateX(15%) rotate(-270deg) scale(1); }
  25%  { transform: rotate(360deg) translateX(20%) rotate(-360deg) scale(1.25); }
  50%  { transform: rotate(450deg) translateX(15%) rotate(-450deg) scale(0.8); }
  75%  { transform: rotate(540deg) translateX(20%) rotate(-540deg) scale(1.1); }
  100% { transform: rotate(630deg) translateX(15%) rotate(-630deg) scale(1); }
}

@keyframes orbOrbit5 {
  0%   { transform: rotate(45deg) translateX(22%) rotate(-45deg) scale(1); }
  25%  { transform: rotate(135deg) translateX(28%) rotate(-135deg) scale(0.9); }
  50%  { transform: rotate(225deg) translateX(22%) rotate(-225deg) scale(1.15); }
  75%  { transform: rotate(315deg) translateX(28%) rotate(-315deg) scale(0.95); }
  100% { transform: rotate(405deg) translateX(22%) rotate(-405deg) scale(1); }
}

/* ── GENERAL ANIMATIONS ────────────────────────────────────────── */
@keyframes statusPulse {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50%      { opacity: 1;   transform: scale(1.1); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0);   }
}

@keyframes slideUpBounce {
  0%   { transform: translateY(20px); opacity: 0; }
  60%  { transform: translateY(-3px); }
  100% { transform: translateY(0); opacity: 1; }
}

@keyframes bounce {
  0%, 80%, 100% { transform: scale(0.55); opacity: 0.35; }
  40%           { transform: scale(1);    opacity: 1;    }
}

/* ── DARK THEME ───────────────────────────────────────────────── */
[data-theme="dark"] {
  --bg:          #0f0f0f;
  --surface:     #1a1a1a;
  --border:      #2a2a2a;
  --text:        #e5e5e5;
  --text2:       #737373;
  --accent:      #f59e0b;
  --accent-dark: #d97706;
  --user-bubble: #1a1a1a;
  --shadow:      rgba(0,0,0,0.2) 0px 0px 0px 1px,
                 rgba(0,0,0,0.15) 0px 1px 1px -0.5px,
                 rgba(0,0,0,0.15) 0px 3px 3px -1.5px,
                 rgba(0,0,0,0.15) 0px 6px 6px -3px,
                 rgba(0,0,0,0.1) 0px 12px 12px -6px,
                 rgba(0,0,0,0.1) 0px 24px 24px -12px;
  --chart-track:   #262626;
  --chart-grid:    #2a2a2a;
  --chart-danger:  #ef4444;
  --chart-warning: #f59e0b;
}

[data-theme="dark"] .icon-btn:hover { background: #262626; }
[data-theme="dark"] .sp-section-hdr:hover { background: #262626; }
[data-theme="dark"] .sp-section-body { background: #151515; }
[data-theme="dark"] .bubble-ai thead th { background: #262626; }
[data-theme="dark"] .bubble-ai tbody td { border-bottom-color: #262626; }
[data-theme="dark"] .bubble-ai tbody tr:hover { background: #1f1f1f; }
[data-theme="dark"] .bubble-ai code { background: #262626; color: #fb923c; }
[data-theme="dark"] .typing { background: #1a1a1a; }
[data-theme="dark"] .attach-btn { background: #262626; }
[data-theme="dark"] .attach-btn:hover { background: #333; }
[data-theme="dark"] .chip:hover { background: rgba(245,158,11,0.08); }
[data-theme="dark"] .tbtn-do { background: #14532d; color: #86efac; }
[data-theme="dark"] .tbtn-do:hover { background: #166534; }
[data-theme="dark"] .tbtn-skip { background: #431407; color: #fdba74; }
[data-theme="dark"] .tbtn-skip:hover { background: #7c2d12; }
[data-theme="dark"] .lang-btn { background: #1a1a1a; border-color: #2a2a2a; }
[data-theme="dark"] .lang-btn.active { background: rgba(245,158,11,0.12); }
[data-theme="dark"] .orb { box-shadow: rgba(0,0,0,0.25) 0px 8px 24px 0px; }
[data-theme="dark"] .model-select option { background: #1a1a1a; color: #e5e5e5; }
[data-theme="dark"] .welcome-card:hover {
  box-shadow: rgba(0,0,0,0.25) 0px 0px 0px 1px,
              rgba(0,0,0,0.2) 0px 1px 1px -0.5px,
              rgba(0,0,0,0.2) 0px 3px 3px -1.5px,
              rgba(0,0,0,0.2) 0px 6px 6px -3px,
              rgba(0,0,0,0.15) 0px 12px 12px -6px,
              rgba(0,0,0,0.15) 0px 24px 24px -12px;
}
[data-theme="dark"] .input-box {
  box-shadow: rgba(0,0,0,0.3) 0px 0px 0px 1px,
              rgba(0,0,0,0.2) 0px 1px 1px -0.5px,
              rgba(0,0,0,0.2) 0px 3px 3px -1.5px,
              rgba(0,0,0,0.2) 0px 6px 6px -3px,
              rgba(0,0,0,0.15) 0px 12px 12px -6px,
              rgba(0,0,0,0.15) 0px 24px 24px -12px;
}
[data-theme="dark"] .input-box:focus-within {
  box-shadow: rgba(0,0,0,0.3) 0px 0px 0px 1px,
              rgba(0,0,0,0.2) 0px 1px 1px -0.5px,
              rgba(0,0,0,0.2) 0px 3px 3px -1.5px,
              rgba(0,0,0,0.2) 0px 6px 6px -3px,
              rgba(0,0,0,0.15) 0px 12px 12px -6px,
              rgba(0,0,0,0.15) 0px 24px 24px -12px,
              0 0 0 2px rgba(245,158,11,0.2);
}
[data-theme="dark"] .auth-input { background: #1a1a1a; border-color: #2a2a2a; color: #e5e5e5; }
[data-theme="dark"] .auth-input::placeholder { color: #555; }
[data-theme="dark"] .auth-tab { background: #1a1a1a; color: #737373; }
[data-theme="dark"] .auth-tab.active { background: var(--accent); color: #fff; }
[data-theme="dark"] .google-btn { background: #1a1a1a; border-color: #2a2a2a; color: #e5e5e5; }
[data-theme="dark"] .google-btn:hover { border-color: #444; box-shadow: 0 2px 8px rgba(0,0,0,.3); }
[data-theme="dark"] .fp-remove:hover { background: #431407; color: #fca5a5; }
[data-theme="dark"] .acc-logout-btn { background: #1a1a1a; border-color: #2a2a2a; }
[data-theme="dark"] .acc-logout-btn:hover { background: #2a1515; border-color: #dc2626; }
[data-theme="dark"] .nav-btn { background: #0f0f0f; }
[data-theme="dark"] .chart-kpi-card { background: #1a1a1a; }
[data-theme="dark"] .chart-progress-track { background: #262626; }
[data-theme="dark"] .review-reply-card { background: #1a1a1a; }
[data-theme="dark"] .rrc-reply { background: rgba(59, 130, 246, 0.1); }
[data-theme="dark"] .rrc-skip-btn { border-color: #333; }
[data-theme="dark"] .rrc-skip-btn:hover:not(:disabled) { background: #262626; }
[data-theme="dark"] .invoice-card { background: #1a1a1a; }
[data-theme="dark"] .inv-table thead th { background: #262626; }
[data-theme="dark"] .inv-table tbody td { border-bottom-color: #262626; }
[data-theme="dark"] .inv-table tfoot td { border-top-color: #333; }
[data-theme="dark"] .inv-skip-btn { border-color: #333; }
[data-theme="dark"] .inv-skip-btn:hover:not(:disabled) { background: #262626; }

/* ── Excel Download Card ──────────────────────────────── */
.excel-card {
  border-radius: 12px;
  padding: 14px;
  margin: 8px 42px 8px 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid #16a34a;
  box-shadow: var(--shadow);
}
.excel-card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.excel-card-icon { font-size: 18px; }
.excel-card-title { font-size: 14px; font-weight: 600; color: var(--text); }
.xlsx-download-btn {
  border: none;
  border-radius: 8px;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, opacity 0.15s;
}
.xlsx-download-btn:disabled { cursor: default; opacity: 0.7; }
.xlsx-download-btn.xlsx-full {
  display: block;
  width: 100%;
  padding: 10px;
  background: #16a34a;
  color: #fff;
  font-size: 13px;
  margin-bottom: 8px;
}
.xlsx-download-btn.xlsx-full:hover:not(:disabled) { background: #15803d; }
.xlsx-mini-row {
  display: flex;
  gap: 6px;
}
.xlsx-download-btn.xlsx-mini {
  flex: 1;
  padding: 7px 4px;
  background: var(--surface);
  color: var(--text);
  font-size: 11px;
  border: 1px solid var(--border);
}
.xlsx-download-btn.xlsx-mini:hover:not(:disabled) { background: var(--border); }
[data-theme="dark"] .excel-card { background: #1a1a1a; }
[data-theme="dark"] .xlsx-download-btn.xlsx-mini { border-color: #333; }
[data-theme="dark"] .xlsx-download-btn.xlsx-mini:hover:not(:disabled) { background: #262626; }

/* ── Upgrade Card ─────────────────────────────────────────────────── */
.upgrade-card {
  position: relative;
  margin: 8px 0;
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(135deg, #1a1033 0%, #0f1a2e 100%);
  border: 1px solid rgba(139, 92, 246, 0.4);
  padding: 20px;
  animation: upgradeIn 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
[data-theme="light"] .upgrade-card {
  background: linear-gradient(135deg, #f3f0ff 0%, #eff6ff 100%);
  border-color: rgba(139, 92, 246, 0.3);
}
@keyframes upgradeIn {
  from { opacity: 0; transform: translateY(12px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.upgrade-glow {
  position: absolute;
  top: -40px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 100px;
  background: radial-gradient(ellipse, rgba(139,92,246,0.35) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite;
  pointer-events: none;
}
@keyframes glowPulse {
  0%,100% { opacity: 0.6; transform: translateX(-50%) scale(1); }
  50%      { opacity: 1;   transform: translateX(-50%) scale(1.2); }
}
.upgrade-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.upgrade-icon {
  font-size: 24px;
  animation: iconBounce 2s ease-in-out infinite;
}
@keyframes iconBounce {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-4px); }
}
.upgrade-title {
  font-size: 15px;
  font-weight: 700;
  color: #e2d9f3;
  line-height: 1.3;
}
[data-theme="light"] .upgrade-title { color: #3b1fa8; }
.upgrade-sub {
  font-size: 12px;
  color: rgba(196,181,253,0.8);
  margin-top: 2px;
}
[data-theme="light"] .upgrade-sub { color: #6d28d9; }
.upgrade-plan {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
}
[data-theme="light"] .upgrade-plan {
  background: rgba(139,92,246,0.06);
  border-color: rgba(139,92,246,0.2);
}
.upgrade-plan-name {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #a78bfa;
  font-weight: 600;
  margin-bottom: 4px;
}
.upgrade-plan-price {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
}
[data-theme="light"] .upgrade-plan-price { color: #1e1b4b; }
.upgrade-plan-price span {
  font-size: 13px;
  font-weight: 400;
  color: rgba(196,181,253,0.7);
}
.upgrade-features {
  list-style: none;
  padding: 0; margin: 10px 0 0;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.upgrade-features li {
  font-size: 12px;
  color: rgba(196,181,253,0.85);
  display: flex;
  align-items: center;
  gap: 6px;
}
[data-theme="light"] .upgrade-features li { color: #5b21b6; }
.upgrade-features li::before {
  content: '✓';
  color: #a78bfa;
  font-weight: 700;
  font-size: 11px;
}
.upgrade-btn {
  position: relative;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  background: linear-gradient(135deg, #7c3aed, #4f46e5);
  color: white;
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}
.upgrade-btn::after {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  animation: shimmer 2.5s ease-in-out infinite;
}
@keyframes shimmer {
  0%   { left: -100%; }
  100% { left: 200%; }
}
.upgrade-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(124,58,237,0.55);
}
.upgrade-btn:active { transform: translateY(0); }

/* ── Toggle Switch (авто-ответы) ──────────────────────────────── */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 44px;
  height: 24px;
  flex-shrink: 0;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: var(--border);
  border-radius: 24px;
  transition: background 0.2s;
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  left: 3px; bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.toggle-switch input:checked + .toggle-slider { background: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(20px); }