/* ═══════════════════════════════════════════════════════════════
 * Sinh Vũ · Panel System v1.0
 * Universal "Bản đồ khách hàng" pattern cho 3 cổng vào
 * (cua-1, cua-2, 17 trang tư vấn dịch vụ)
 *
 * USAGE:
 *   <button class="sv-panel-toggle" data-panel="briefPanel"
 *           data-shortcut="]" aria-controls="briefPanel"
 *           aria-expanded="true"></button>
 *
 *   <aside id="briefPanel" class="sv-panel" data-state="open">
 *     <div class="sv-panel-zone sv-panel-zone--status">...</div>
 *     <div class="sv-panel-zone sv-panel-zone--deliverable">...</div>
 *     <div class="sv-panel-zone sv-panel-zone--collected">...</div>
 *     <div class="sv-panel-zone sv-panel-zone--asking">...</div>
 *     <div class="sv-panel-zone sv-panel-zone--actions">...</div>
 *   </aside>
 *
 * 2026-06-12 · Sinh Vũ Studio
 * ═══════════════════════════════════════════════════════════════ */

/* ─── TOKENS local · namespaced ─── */
:where(:root) {
  --sv-panel-w: 360px;
  --sv-panel-w-narrow: 320px;
  --sv-panel-w-mobile-sheet: 88dvh;
  --sv-panel-transition: 320ms cubic-bezier(.16, 1, .3, 1);
  --sv-panel-toggle-size: 36px;
  --sv-panel-z-toggle: 60;
  --sv-panel-z-backdrop: 90;
  --sv-panel-z-panel: 100;
  --sv-panel-z-tooltip: 110;
}

/* ─── TOGGLE BUTTON · state-aware morph ─── */
.sv-panel-toggle {
  position: relative;
  width: var(--sv-panel-toggle-size);
  height: var(--sv-panel-toggle-size);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--sv-color-text-secondary, #5A574E);
  cursor: pointer;
  transition: background 150ms, color 150ms, border-color 150ms;
  -webkit-tap-highlight-color: color-mix(in srgb, var(--sv-color-text-primary, #001E42) 8%, transparent);
}

.sv-panel-toggle:hover,
.sv-panel-toggle:focus-visible {
  background: color-mix(in srgb, var(--sv-color-text-primary, #001E42) 6%, transparent);
  color: var(--sv-color-text-primary, #001E42);
  border-color: var(--sv-color-border-subtle, #ECE7DD);
}

.sv-panel-toggle:active { transform: scale(0.95); }

.sv-panel-toggle:focus-visible {
  outline: 2px solid var(--sv-color-accent-default, #DB220F);
  outline-offset: 2px;
}

/* Icon morph based on aria-expanded */
.sv-panel-toggle svg {
  width: 18px; height: 18px;
  pointer-events: none;
  transition: transform var(--sv-panel-transition);
}

.sv-panel-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);  /* arrow flips to indicate "click để đóng" */
}

/* Indicator dot · live data signal */
.sv-panel-toggle::after {
  content: "";
  position: absolute;
  top: 4px; right: 4px;
  width: 8px; height: 8px;
  background: var(--sv-color-accent-default, #DB220F);
  border: 2px solid var(--sv-color-surface-raised, #FAF7F2);
  border-radius: 50%;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 200ms, transform 200ms;
  pointer-events: none;
}

.sv-panel-toggle[data-has-data="true"]::after {
  opacity: 1;
  transform: scale(1);
}

/* ─── TOOLTIP với kbd hint (Apple/Linear style) ─── */
.sv-panel-toggle::before {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  white-space: nowrap;
  padding: 6px 10px;
  background: var(--sv-color-text-primary, #001E42);
  color: white;
  border-radius: 6px;
  font-family: var(--sv-font-body), -apple-system, sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 200ms, transform 200ms;
  z-index: var(--sv-panel-z-tooltip);
}

@media (hover: hover) {
  .sv-panel-toggle:hover::before {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 400ms;
  }
}

/* ─── PANEL CONTAINER ─── */
.sv-panel {
  position: relative;
  width: var(--sv-panel-w);
  flex-shrink: 0;
  background: var(--sv-color-surface-raised, #FAF7F2);
  border-left: 1px solid var(--sv-color-border-subtle, #ECE7DD);
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  overflow: hidden;
  transition: width var(--sv-panel-transition), border-left-color var(--sv-panel-transition);
}

.sv-panel[data-state="closed"] {
  width: 0;
  border-left: 0;
}

/* ─── 5 ZONES · sticky/scrollable layout ─── */
.sv-panel-zone {
  flex-shrink: 0;
  padding: 16px 20px;
  border-bottom: 1px solid var(--sv-color-border-subtle, #ECE7DD);
}

.sv-panel-zone:last-child { border-bottom: 0; }

/* Zone 1 · Status bar (sticky top) */
.sv-panel-zone--status {
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--sv-color-surface-raised, #FAF7F2) 95%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 10;
}

.sv-panel-status-phase {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: color-mix(in srgb, var(--sv-color-accent-default, #DB220F) 8%, transparent);
  color: var(--sv-color-accent-default, #DB220F);
  border-radius: 999px;
  font-family: var(--sv-font-mono, monospace);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.sv-panel-status-progress {
  position: relative;
  height: 4px;
  background: color-mix(in srgb, var(--sv-color-border-subtle, #ECE7DD) 60%, transparent);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 8px;
}

.sv-panel-status-progress-bar {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--sv-color-accent-default, #DB220F), var(--sv-color-accent-hover, #B71000));
  border-radius: 999px;
  transition: width 600ms cubic-bezier(.16, 1, .3, 1);
}

.sv-panel-status-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--sv-font-mono, monospace);
  font-size: 11px;
  color: var(--sv-color-text-muted, #8A8579);
  letter-spacing: 0.04em;
}

.sv-panel-status-meta strong {
  color: var(--sv-color-text-primary, #001E42);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* Zone 2 · Deliverable preview (hero) · progressive reveal */
.sv-panel-zone--deliverable {
  background: linear-gradient(180deg, color-mix(in srgb, var(--sv-color-accent-default, #DB220F) 3%, transparent), transparent);
}

/* 2026-06-12: bỏ progressive blur (anh Sinh feedback "mờ tịt không đọc được").
   Card luôn sharp · accent border highlight tăng theo phase để vẫn có cảm giác progress. */
.sv-panel-zone--deliverable {
  padding: 12px 20px;
}
.sv-panel-zone--deliverable .sv-panel-deliverable-card {
  opacity: 1;
  filter: none;
  transition: border-color 250ms, box-shadow 250ms;
}
.sv-panel-zone--deliverable[data-phase="kham_pha"] .sv-panel-deliverable-card {
  border-color: var(--sv-color-border-subtle, #ECE7DD);
}
.sv-panel-zone--deliverable[data-phase="hieu_ro"] .sv-panel-deliverable-card {
  border-color: color-mix(in srgb, var(--sv-color-accent-default, #C42021) 35%, transparent);
}
.sv-panel-zone--deliverable[data-phase="hoan_thien"] .sv-panel-deliverable-card {
  border-color: var(--sv-color-accent-default, #C42021);
  box-shadow: 0 6px 18px -8px color-mix(in srgb, var(--sv-color-accent-default, #C42021) 30%, transparent);
}

.sv-panel-zone-eyebrow {
  font-family: var(--sv-font-mono, monospace);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sv-color-text-muted, #8A8579);
  margin-bottom: 8px;
}

.sv-panel-zone-title {
  font-family: var(--sv-font-display, "Noto Serif Display", serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--sv-color-text-primary, #001E42);
  line-height: 1.3;
  margin-bottom: 12px;
}

.sv-panel-deliverable-card {
  background: white;
  border: 1px solid var(--sv-color-border-subtle, #ECE7DD);
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 10px;
  transition: opacity var(--sv-panel-transition), filter var(--sv-panel-transition);
}

.sv-panel-deliverable-card-eyebrow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sv-font-mono, monospace);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sv-color-accent-default, #DB220F);
  margin-bottom: 6px;
}

.sv-panel-deliverable-card-title {
  font-family: var(--sv-font-heading, sans-serif);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--sv-color-text-primary, #001E42);
  margin-bottom: 8px;
}

.sv-panel-deliverable-card-list {
  list-style: none;
  padding: 0;
  margin: 0 0 6px;
}

.sv-panel-deliverable-card-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 3px 0;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--sv-color-text-secondary, #5A574E);
}

.sv-panel-deliverable-card-list li::before {
  content: "✓";
  color: var(--sv-color-feedback-success, #2D6A4F);
  font-weight: 600;
  flex-shrink: 0;
}

.sv-panel-deliverable-card-meta {
  display: flex;
  gap: 12px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--sv-color-border-subtle, #ECE7DD);
  font-family: var(--sv-font-mono, monospace);
  font-size: 10.5px;
  color: var(--sv-color-text-muted, #8A8579);
  letter-spacing: 0.04em;
}

/* Zone 3 · Collected fields */
.sv-panel-zone--collected {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.sv-panel-field {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--sv-color-border-subtle, #ECE7DD) 60%, transparent);
  font-size: 13px;
  line-height: 1.45;
}

.sv-panel-field:last-child { border-bottom: 0; }

.sv-panel-field-label {
  font-family: var(--sv-font-mono, monospace);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--sv-color-text-muted, #8A8579);
  flex-shrink: 0;
  min-width: 80px;
}

.sv-panel-field-value {
  flex: 1;
  color: var(--sv-color-text-primary, #001E42);
  word-break: break-word;
}

.sv-panel-field-value--empty {
  color: var(--sv-color-text-muted, #8A8579);
  font-style: italic;
  opacity: 0.6;
}

.sv-panel-field-edit {
  background: transparent;
  border: 0;
  padding: 2px 6px;
  color: var(--sv-color-text-muted, #8A8579);
  cursor: pointer;
  font-size: 11px;
  opacity: 0;
  transition: opacity 150ms;
}

.sv-panel-field:hover .sv-panel-field-edit {
  opacity: 1;
}

/* Zone 4 · Asking (current question) */
.sv-panel-zone--asking {
  background: color-mix(in srgb, var(--sv-color-feedback-info, #1B4E8F) 4%, transparent);
}

.sv-panel-asking-eyebrow {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sv-font-mono, monospace);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sv-color-feedback-info, #1B4E8F);
  margin-bottom: 6px;
}

.sv-panel-asking-eyebrow .sv-panel-asking-dot {
  width: 8px; height: 8px;
  background: currentColor;
  border-radius: 50%;
  animation: sv-panel-pulse 1.4s infinite;
}

@keyframes sv-panel-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.sv-panel-asking-text {
  font-size: 13px;
  line-height: 1.5;
  color: var(--sv-color-text-primary, #001E42);
}

/* Zone 5 · Actions (sticky bottom) */
.sv-panel-zone--actions {
  position: sticky;
  bottom: 0;
  background: color-mix(in srgb, var(--sv-color-surface-raised, #FAF7F2) 95%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 14px 20px;
  border-top: 1px solid var(--sv-color-border-subtle, #ECE7DD);
  border-bottom: 0;
}

.sv-panel-action {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 11px 16px;
  background: var(--sv-color-accent-default, #DB220F);
  color: white;
  border: 0;
  border-radius: 10px;
  font-family: var(--sv-font-heading, sans-serif);
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: background 150ms, transform 100ms;
}

.sv-panel-action:hover { background: var(--sv-color-accent-hover, #B71000); }
.sv-panel-action:active { transform: scale(0.98); }
.sv-panel-action[disabled] {
  background: var(--sv-color-text-muted, #8A8579);
  cursor: not-allowed;
  opacity: 0.7;
}

.sv-panel-action svg { width: 14px; height: 14px; }

/* ─── BACKDROP (mobile only) ─── */
.sv-panel-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--sv-color-text-primary, #001E42) 40%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--sv-panel-transition);
  z-index: var(--sv-panel-z-backdrop);
}

body.sv-panel-open-mobile .sv-panel-backdrop {
  opacity: 1;
  pointer-events: auto;
}

/* ─── MOBILE · bottom sheet pattern ─── */
@media (max-width: 900px) {
  .sv-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    top: auto;
    width: 100%;
    height: var(--sv-panel-w-mobile-sheet);
    max-height: 88dvh;
    z-index: var(--sv-panel-z-panel);
    transform: translateY(100%);
    transition: transform var(--sv-panel-transition);
    box-shadow: 0 -8px 32px color-mix(in srgb, var(--sv-color-text-primary, #001E42) 20%, transparent);
    border-left: 0;
    border-top: 1px solid var(--sv-color-border-subtle, #ECE7DD);
    border-radius: 20px 20px 0 0;
  }

  .sv-panel[data-state="closed"] {
    width: 100%;
    transform: translateY(100%);
    border-top: 0;
  }

  .sv-panel[data-state="open"] {
    transform: translateY(0);
  }

  /* Pull handle bar (iOS native sheet pattern) */
  .sv-panel::before {
    content: "";
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 4px;
    background: var(--sv-color-text-muted, #8A8579);
    border-radius: 999px;
    opacity: 0.35;
  }

  /* Add top padding để pull bar không che content */
  .sv-panel-zone--status { padding-top: 24px; }
}

/* ─── DESKTOP · sidebar pattern ─── */
@media (min-width: 901px) {
  .sv-panel-backdrop { display: none; }

  /* 2026-06-13: Main content tự co khi panel mở để không bị che.
     Body padding-right = panel width 360px · transition smooth.
     Header sticky + main đều inherit padding nên co theo. */
  body.sv-panel-open-desktop {
    padding-right: var(--sv-panel-w, 360px);
    transition: padding-right var(--sv-panel-transition);
  }
  body:not(.sv-panel-open-desktop) {
    padding-right: 0;
    transition: padding-right var(--sv-panel-transition);
  }
}

/* ─── REDUCED MOTION respect ─── */
@media (prefers-reduced-motion: reduce) {
  .sv-panel,
  .sv-panel-toggle svg,
  .sv-panel-deliverable-card,
  .sv-panel-status-progress-bar {
    transition-duration: 0.01ms !important;
  }

  .sv-panel-asking-eyebrow .sv-panel-asking-dot {
    animation: none;
  }
}

/* ─── SAFETY · focus-visible ring ─── */
.sv-panel :where(button, a, input, textarea, select):focus-visible {
  outline: 2px solid var(--sv-color-accent-default, #DB220F);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════════════
 * UI/UX POLISH · tách bạch, dễ hiểu, chuyên nghiệp, đồng bộ
 * (2026-06-12 · Phase 4b)
 * ═══════════════════════════════════════════════════════════════ */

/* Visual separator giữa zones (thay border-bottom thuần bằng pattern subtle) */
.sv-panel-zone {
  position: relative;
}
.sv-panel-zone + .sv-panel-zone::before {
  content: "";
  position: absolute;
  top: 0; left: 20px; right: 20px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--sv-color-border-subtle, #ECE7DD) 20%,
    var(--sv-color-border-subtle, #ECE7DD) 80%,
    transparent);
}

/* Reset border-bottom (replaced by ::before separator) */
.sv-panel-zone {
  border-bottom: 0;
}

/* Status zone (Zone 1) · refined spacing */
.sv-panel-zone--status {
  padding: 18px 20px 16px;
}

/* Deliverable zone (Zone 2) · hero treatment */
.sv-panel-zone--deliverable {
  padding: 16px 20px 18px;
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--sv-color-accent-default, #DB220F) 4%, transparent),
    color-mix(in srgb, var(--sv-color-accent-default, #DB220F) 1%, transparent) 70%,
    transparent);
}

/* Deliverable card · premium polish */
.sv-panel-deliverable-card {
  background: white;
  border: 1px solid var(--sv-color-border-subtle, #ECE7DD);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow:
    0 1px 2px color-mix(in srgb, var(--sv-color-text-primary, #001E42) 4%, transparent),
    0 6px 20px color-mix(in srgb, var(--sv-color-text-primary, #001E42) 6%, transparent);
}

/* Deliverable card eyebrow with icon · refined */
.sv-panel-deliverable-card-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  background: color-mix(in srgb, var(--sv-color-accent-default, #DB220F) 10%, transparent);
  border-radius: 999px;
  font-family: var(--sv-font-mono, monospace);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sv-color-accent-default, #DB220F);
  margin-bottom: 10px;
}

.sv-panel-deliverable-card-title {
  font-family: var(--sv-font-display, "Noto Serif Display", serif);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--sv-color-text-primary, #001E42);
  line-height: 1.35;
  margin-bottom: 12px;
}

.sv-panel-deliverable-card-list li {
  padding: 4px 0;
  font-size: 12.5px;
  line-height: 1.5;
}

.sv-panel-deliverable-card-meta {
  margin-top: 10px;
  padding-top: 10px;
  font-size: 11px;
}

/* Collected zone (Zone 3) · scroll feel */
.sv-panel-zone--collected {
  padding: 16px 20px;
}

.sv-panel-field {
  padding: 10px 0;
  align-items: center;
}

.sv-panel-field-label {
  font-size: 10.5px;
  min-width: 90px;
}

.sv-panel-field-value {
  font-family: var(--sv-font-body, sans-serif);
  font-size: 13px;
  font-weight: 500;
}

/* Asking zone (Zone 4) · attention */
.sv-panel-zone--asking {
  padding: 14px 20px;
  background: color-mix(in srgb, var(--sv-color-feedback-info, #1B4E8F) 5%, transparent);
}

.sv-panel-asking-text {
  font-style: italic;
  font-size: 13px;
  line-height: 1.55;
  color: var(--sv-color-text-primary, #001E42);
  padding-left: 4px;
  border-left: 2px solid color-mix(in srgb, var(--sv-color-feedback-info, #1B4E8F) 40%, transparent);
  padding-left: 10px;
  margin-top: 6px;
}

/* ─── Phase indicator badge color coding ─── */
.sv-panel-status-phase {
  position: relative;
}

.sv-panel-status-phase::before {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  background: currentColor;
  border-radius: 50%;
  margin-right: 2px;
  animation: sv-panel-phase-pulse 2s ease-in-out infinite;
}

@keyframes sv-panel-phase-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.8); }
}

/* Phase color variants */
.sv-panel-zone--deliverable[data-phase="hieu_ro"] ~ .sv-panel-zone--status .sv-panel-status-phase,
.sv-panel-zone--status[data-phase="hieu_ro"] .sv-panel-status-phase {
  background: color-mix(in srgb, var(--sv-color-feedback-info, #1B4E8F) 8%, transparent);
  color: var(--sv-color-feedback-info, #1B4E8F);
}

.sv-panel-zone--deliverable[data-phase="hoan_thien"] ~ .sv-panel-zone--status .sv-panel-status-phase,
.sv-panel-zone--status[data-phase="hoan_thien"] .sv-panel-status-phase {
  background: color-mix(in srgb, var(--sv-color-feedback-success, #2D6A4F) 10%, transparent);
  color: var(--sv-color-feedback-success, #2D6A4F);
}

/* 2026-06-12: KHÔNG blur card · luôn sharp opacity 1 (anh Sinh feedback).
   Pseudo ::after giữ text "lắng nghe" cho phase đầu. */
.sv-panel-zone--deliverable .sv-panel-deliverable-card {
  opacity: 1 !important;
  filter: none !important;
  transform: none !important;
}

.sv-panel-zone--deliverable[data-phase="kham_pha"]::after {
  content: "Sinh Vũ đang lắng nghe để hình dung rõ hơn...";
  display: block;
  margin-top: 12px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--sv-color-text-primary, #001E42) 4%, transparent);
  border-radius: 8px;
  font-family: var(--sv-font-display, serif);
  font-style: italic;
  font-size: 12.5px;
  color: var(--sv-color-text-secondary, #5A574E);
  text-align: center;
}

/* ─── Empty state collected zone ─── */
.sv-panel-zone--collected .sv-panel-field-value--empty[style] {
  text-align: center;
  padding: 16px 0 !important;
  font-family: var(--sv-font-display, serif);
  font-style: italic;
  font-size: 13px;
  color: var(--sv-color-text-muted, #8A8579);
  opacity: 0.8;
}

/* ─── Tooltip refined · không quá đậm ─── */
.sv-panel-toggle::before {
  font-size: 11.5px;
  padding: 7px 11px;
  background: var(--sv-color-text-primary, #001E42);
  box-shadow:
    0 1px 3px color-mix(in srgb, var(--sv-color-text-primary, #001E42) 30%, transparent),
    0 4px 12px color-mix(in srgb, var(--sv-color-text-primary, #001E42) 15%, transparent);
  letter-spacing: 0.01em;
}

/* Kbd hint highlight in tooltip */
.sv-panel-toggle[data-shortcut]::before {
  content: attr(data-tooltip);
}

/* ─── Mobile pull-bar refinement ─── */
@media (max-width: 900px) {
  .sv-panel::before {
    width: 44px;
    height: 5px;
    opacity: 0.4;
  }

  .sv-panel-zone--status { padding-top: 28px; }

  .sv-panel-deliverable-card { padding: 14px 16px; }
}

/* ─── Closed panel · ensure button still works (no pointer-events leak) ─── */
.sv-panel[data-state="closed"] { pointer-events: none; }
.sv-panel[data-state="closed"] * { pointer-events: none; }
.sv-panel[data-state="open"] { pointer-events: auto; }
.sv-panel[data-state="open"] * { pointer-events: auto; }

/* ═══════════════════════════════════════════════════════════════
 * SMART DENSITY · Adapt layout theo field count (2026-06-12)
 * 1-5 fields  → inline 2-col compact
 * 6+ fields   → STACKED (label trên, value dưới) → tránh CSS break per char
 * 13+ fields  → grouped section + search filter
 * ═══════════════════════════════════════════════════════════════ */

/* ─── DEFAULT: stacked layout (an toàn cho long labels) ─── */
.sv-panel-field {
  flex-direction: column;
  align-items: stretch;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--sv-color-border-subtle, #ECE7DD) 50%, transparent);
}

.sv-panel-field-label {
  min-width: 0;
  width: 100%;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sv-color-text-muted, #8A8579);
  font-weight: 600;
  /* Text wrap properly, never break per character */
  word-break: normal;
  overflow-wrap: break-word;
  line-height: 1.4;
}

.sv-panel-field-value {
  width: 100%;
  font-family: var(--sv-font-body, sans-serif);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.55;
  color: var(--sv-color-text-primary, #001E42);
  /* CRITICAL: prevent vertical char-by-char break */
  word-break: normal;
  overflow-wrap: break-word;
  hyphens: auto;
}

.sv-panel-field-value--empty {
  font-style: italic;
  opacity: 0.6;
}

/* ─── COMPACT mode khi few fields (≤5): em set via data attr from JS ─── */
.sv-panel-zone--collected[data-density="compact"] .sv-panel-field {
  flex-direction: row;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
}
.sv-panel-zone--collected[data-density="compact"] .sv-panel-field-label {
  width: auto;
  min-width: 80px;
  max-width: 110px;
  flex-shrink: 0;
}
.sv-panel-zone--collected[data-density="compact"] .sv-panel-field-value {
  flex: 1 1 0;
  min-width: 0;
}

/* ─── DENSE mode khi nhiều fields (13+): grouped sections ─── */
.sv-panel-zone--collected[data-density="dense"] {
  padding: 12px 20px;
}

.sv-panel-fields-search {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--sv-color-surface-raised, #FAF7F2);
  padding: 8px 0 12px;
  margin-bottom: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--sv-color-border-subtle, #ECE7DD) 50%, transparent);
}

.sv-panel-fields-search-input {
  width: 100%;
  padding: 8px 12px 8px 34px;
  background: white;
  border: 1px solid var(--sv-color-border-subtle, #ECE7DD);
  border-radius: 8px;
  font-family: var(--sv-font-body, sans-serif);
  font-size: 12.5px;
  color: var(--sv-color-text-primary, #001E42);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238A8579' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 12px center;
  background-size: 14px;
}

.sv-panel-fields-search-input:focus {
  outline: 2px solid var(--sv-color-accent-default, #DB220F);
  outline-offset: 1px;
  border-color: transparent;
}

.sv-panel-field-group {
  margin-bottom: 14px;
}

.sv-panel-field-group-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-family: var(--sv-font-mono, monospace);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sv-color-text-secondary, #5A574E);
  cursor: pointer;
  user-select: none;
  border-bottom: 1px solid var(--sv-color-border-subtle, #ECE7DD);
}

.sv-panel-field-group-head:hover {
  color: var(--sv-color-text-primary, #001E42);
}

.sv-panel-field-group-count {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--sv-font-mono, monospace);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: var(--sv-color-text-muted, #8A8579);
}

.sv-panel-field-group-count strong {
  color: var(--sv-color-accent-default, #DB220F);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.sv-panel-field-group-chevron {
  width: 12px;
  height: 12px;
  transition: transform 220ms cubic-bezier(.16, 1, .3, 1);
}

.sv-panel-field-group[data-collapsed="true"] .sv-panel-field-group-chevron {
  transform: rotate(-90deg);
}

.sv-panel-field-group-body {
  overflow: hidden;
  transition: max-height 280ms cubic-bezier(.16, 1, .3, 1);
}

.sv-panel-field-group[data-collapsed="true"] .sv-panel-field-group-body {
  max-height: 0 !important;
}

.sv-panel-field-group .sv-panel-field {
  padding-left: 4px;
  padding-right: 4px;
}

/* Field filtered out by search */
.sv-panel-field[data-filtered="true"] { display: none; }
.sv-panel-field-group[data-filtered-all="true"] { display: none; }

/* ─── NEW field highlight (latest field shown with brief pulse) ─── */
@keyframes sv-panel-new-field-pulse {
  0% {
    background: color-mix(in srgb, var(--sv-color-accent-default, #DB220F) 12%, transparent);
    box-shadow: 0 0 0 1px var(--sv-color-accent-default, #DB220F);
  }
  100% {
    background: transparent;
    box-shadow: 0 0 0 0 transparent;
  }
}

.sv-panel-field[data-just-added="true"] {
  animation: sv-panel-new-field-pulse 2400ms ease-out;
  border-radius: 6px;
  padding-left: 8px;
  padding-right: 8px;
}

/* ─── Empty state when truly no fields ─── */
.sv-panel-fields-empty {
  text-align: center;
  padding: 20px 0;
  font-family: var(--sv-font-display, serif);
  font-style: italic;
  font-size: 13px;
  color: var(--sv-color-text-muted, #8A8579);
}

/* ─── Total summary card on top ─── */
.sv-panel-fields-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  margin-bottom: 14px;
  background: color-mix(in srgb, var(--sv-color-feedback-success, #2D6A4F) 8%, transparent);
  border-radius: 8px;
  font-family: var(--sv-font-mono, monospace);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--sv-color-feedback-success, #2D6A4F);
  font-weight: 600;
}

.sv-panel-fields-summary-count {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.sv-panel-fields-summary-count strong {
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

/* ═══════════════════════════════════════════════════════════════
 * Fix 2 · STICKY ZONES + HIDDEN SCROLLBAR (premium feel)
 * Status zone sticky top · Actions zone sticky bottom
 * Body scroll INTERNAL · scrollbar 4px hover-only · no visual noise
 * ═══════════════════════════════════════════════════════════════ */

/* Panel root · flex column với sticky zones */
.sv-panel {
  display: flex;
  flex-direction: column;
  /* Default: clip overflow at panel level so internal scroll works */
  overflow: hidden;
}

/* Inner wrapper cho scroll (created dynamically by SVPanel JS) */
.sv-panel-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  /* Smooth momentum scroll iOS */
  -webkit-overflow-scrolling: touch;
  /* Hidden scrollbar default · show on hover */
  scrollbar-width: thin;
  scrollbar-color: transparent transparent;
  transition: scrollbar-color 200ms;
}

.sv-panel-scroll:hover,
.sv-panel-scroll:focus-within {
  scrollbar-color: color-mix(in srgb, var(--sv-color-text-muted, #8A8579) 40%, transparent) transparent;
}

/* WebKit scrollbar (Chrome, Safari) — 4px hover-only */
.sv-panel-scroll::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}
.sv-panel-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.sv-panel-scroll::-webkit-scrollbar-thumb {
  background: transparent;
  border-radius: 999px;
  transition: background 200ms;
}
.sv-panel-scroll:hover::-webkit-scrollbar-thumb,
.sv-panel-scroll:focus-within::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--sv-color-text-muted, #8A8579) 35%, transparent);
}

/* Status zone STICKY top */
.sv-panel-zone--status {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--sv-color-surface-raised, #FAF7F2) 96%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--sv-color-border-subtle, #ECE7DD) 80%, transparent);
}

/* Actions zone STICKY bottom (if present) */
.sv-panel-zone--actions {
  position: sticky;
  bottom: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--sv-color-surface-raised, #FAF7F2) 96%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid color-mix(in srgb, var(--sv-color-border-subtle, #ECE7DD) 80%, transparent);
}

/* ═══════════════════════════════════════════════════════════════
 * Zone spacing CHUẨN HOÁ (16px zone padding · 12px field gap · 8px chunk)
 * ═══════════════════════════════════════════════════════════════ */

.sv-panel-zone {
  padding: 16px 20px;
  border-bottom: 0;
}

.sv-panel-zone + .sv-panel-zone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 16px;
  right: 16px;
  height: 1px;
  background: linear-gradient(90deg,
    transparent,
    var(--sv-color-border-subtle, #ECE7DD) 15%,
    var(--sv-color-border-subtle, #ECE7DD) 85%,
    transparent);
}

.sv-panel-zone-eyebrow {
  margin-bottom: 10px;
}

.sv-panel-zone-title {
  margin-bottom: 10px;
}

.sv-panel-deliverable-card {
  padding: 16px;
  margin-bottom: 0;
}

.sv-panel-field {
  padding: 10px 0;
}

/* Inner spacing trong group */
.sv-panel-field-group .sv-panel-field-group-body {
  padding: 4px 0;
}

.sv-panel-field-group .sv-panel-field {
  padding-left: 0;
  padding-right: 0;
}

/* Zone collected khi dense mode - tight spacing */
.sv-panel-zone--collected[data-density="dense"] .sv-panel-zone-eyebrow {
  display: none;  /* summary card thay vì eyebrow */
}

/* Empty state khi không có field */
.sv-panel-fields-empty {
  padding: 24px 0;
}

/* Asking zone refined */
.sv-panel-zone--asking {
  padding: 14px 20px 16px;
}

/* No padding bottom for collected zone (last in scroll context) */
.sv-panel-zone--collected:last-of-type {
  padding-bottom: 24px;
}