/*
 * Rich Chat Components — 16 structured UI components
 *
 * Sections:
 *   1. Grid Container
 *   2. Base / Shared
 *   3. Read-only: InfoCard, MetricRow, Timeline, ComparisonTable,
 *      AlertBanner, StepGuide, StatGroup, EvidenceCard
 *   4. Interactive: SingleChoice, MultiChoice, ScaleInput, QuickReply,
 *      InteractiveChecklist, RangeSelect, InputPrompt, ConfirmAction
 *   5. States (submitted, hover)
 *   6. Responsive
 */

/* ═══ 1. GRID CONTAINER ═══ */

.rc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--bd)
}

.rc-grid > .rc-full {
  grid-column: 1 / -1
}

/* ═══ 2. BASE / SHARED ═══ */

.rc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--t1);
  min-width: 0
}

.rc-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--t3);
  margin-bottom: 4px
}

.rc-prompt {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 8px
}

.rc-badge {
  display: inline-flex;
  align-items: center;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  letter-spacing: .02em;
  text-transform: uppercase;
  white-space: nowrap
}

.rc-badge.s-normal { background: var(--grn-l); color: var(--grn) }
.rc-badge.s-high { background: var(--red-l); color: var(--red) }
.rc-badge.s-low { background: rgba(154, 116, 0, .1); color: var(--amb) }
.rc-badge.s-critical { background: var(--red-l); color: var(--red); font-weight: 800 }
.rc-badge.q-high { background: var(--grn-l); color: var(--grn) }
.rc-badge.q-moderate { background: rgba(154, 116, 0, .1); color: var(--amb) }
.rc-badge.q-low { background: var(--red-l); color: var(--red) }

.rc-btn {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1.5px solid var(--bd);
  background: var(--srf);
  color: var(--t2);
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all .15s;
  white-space: nowrap;
  font-family: inherit
}

.rc-btn:hover { background: var(--srf2); color: var(--t1) }
.rc-btn:active { transform: scale(.97) }

.rc-btn.pri {
  background: var(--or);
  color: #fff;
  border-color: var(--or)
}

.rc-btn.pri:hover { background: #a85c30 }

.rc-btn.danger {
  background: var(--red);
  color: #fff;
  border-color: var(--red)
}

.rc-sent {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--grn);
  padding: 4px 0
}

.rc-sent svg {
  width: 13px;
  height: 13px
}

/* ═══ 3. READ-ONLY COMPONENTS ═══ */

/* ── InfoCard ── */
.rc-info {
  background: var(--srf);
  border: 1px solid var(--bd);
  border-left: 3px solid var(--or);
  border-radius: 2px var(--r-sm) var(--r-sm) 2px;
  padding: 10px 12px;
  box-shadow: var(--shadow-xs)
}

.rc-info-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 2px
}

.rc-info-body {
  font-size: 12.5px;
  color: var(--t2);
  line-height: 1.55
}

/* ── MetricRow ── */
.rc-metric {
  background: var(--srf);
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-xs)
}

.rc-metric-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--t3);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap
}

.rc-metric-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--t1);
  line-height: 1
}

.rc-metric-unit {
  font-size: 11px;
  font-weight: 500;
  color: var(--t3);
  margin-left: 2px
}

.rc-metric-ref {
  font-size: 10px;
  color: var(--t4);
  margin-top: 2px
}

.rc-metric-right {
  text-align: right;
  flex-shrink: 0
}

/* ── Timeline ── */
.rc-timeline {
  padding: 4px 0
}

.rc-timeline-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 10px
}

.rc-tl-item {
  display: flex;
  gap: 12px;
  position: relative;
  padding-bottom: 14px
}

.rc-tl-item:last-child {
  padding-bottom: 0
}

.rc-tl-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
  width: 16px
}

.rc-tl-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bd);
  border: 2px solid var(--srf);
  box-shadow: 0 0 0 2px var(--bd);
  flex-shrink: 0;
  z-index: 1
}

.rc-tl-dot.c-red { background: var(--red); box-shadow: 0 0 0 2px rgba(192, 57, 43, .2) }
.rc-tl-dot.c-grn { background: var(--grn); box-shadow: 0 0 0 2px rgba(42, 122, 75, .2) }
.rc-tl-dot.c-amb { background: var(--amb); box-shadow: 0 0 0 2px rgba(154, 116, 0, .2) }
.rc-tl-dot.c-blu { background: var(--blu); box-shadow: 0 0 0 2px rgba(37, 99, 235, .2) }

.rc-tl-line {
  width: 2px;
  flex: 1;
  background: var(--bd);
  margin-top: 4px
}

.rc-tl-item:last-child .rc-tl-line {
  display: none
}

.rc-tl-content {
  flex: 1;
  min-width: 0;
  padding-top: 0
}

.rc-tl-time {
  font-size: 10.5px;
  font-weight: 600;
  color: var(--t3);
  margin-bottom: 1px
}

.rc-tl-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  line-height: 1.3
}

.rc-tl-detail {
  font-size: 12px;
  color: var(--t2);
  margin-top: 2px;
  line-height: 1.45
}

/* ── ComparisonTable ── */
.rc-cmp {
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  overflow: hidden;
  box-shadow: var(--shadow-xs)
}

.rc-cmp-title {
  font-size: 13px;
  font-weight: 600;
  padding: 8px 12px;
  background: var(--srf2);
  border-bottom: 1px solid var(--bd);
  color: var(--t1)
}

.rc-cmp table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px
}

.rc-cmp th {
  background: var(--srf2);
  font-weight: 600;
  text-align: left;
  padding: 7px 12px;
  border-bottom: 2px solid var(--bd);
  color: var(--or);
  font-size: 12px
}

.rc-cmp th:first-child {
  color: var(--t3);
  font-weight: 500
}

.rc-cmp td {
  padding: 7px 12px;
  border-bottom: 1px solid var(--bd);
  color: var(--t2);
  background: var(--srf)
}

.rc-cmp td:first-child {
  font-weight: 600;
  color: var(--t1);
  background: var(--srf2)
}

.rc-cmp tr:last-child td {
  border-bottom: none
}

/* ── AlertBanner ── */
.rc-alert {
  border-radius: var(--r-sm);
  padding: 10px 12px;
  display: flex;
  gap: 10px;
  align-items: flex-start;
  border: 1.5px solid
}

.rc-alert.danger { background: rgba(192, 57, 43, .07); border-color: rgba(192, 57, 43, .2) }
.rc-alert.warning { background: rgba(154, 116, 0, .07); border-color: rgba(154, 116, 0, .2) }
.rc-alert.info { background: rgba(37, 99, 235, .06); border-color: rgba(37, 99, 235, .18) }
.rc-alert.ok { background: rgba(42, 122, 75, .07); border-color: rgba(42, 122, 75, .2) }

.rc-alert-ico {
  font-size: 15px;
  flex-shrink: 0;
  margin-top: 1px
}

.rc-alert-body { flex: 1; min-width: 0 }

.rc-alert-title {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 2px
}

.rc-alert.danger .rc-alert-title { color: var(--red) }
.rc-alert.warning .rc-alert-title { color: var(--amb) }
.rc-alert.info .rc-alert-title { color: var(--blu) }
.rc-alert.ok .rc-alert-title { color: var(--grn) }

.rc-alert-text {
  font-size: 12.5px;
  color: var(--t2);
  line-height: 1.5
}

/* ── StepGuide ── */
.rc-steps {
  padding: 4px 0
}

.rc-steps-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 10px
}

.rc-step {
  display: flex;
  gap: 10px;
  padding-bottom: 10px;
  position: relative
}

.rc-step:last-child { padding-bottom: 0 }

.rc-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--or);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px
}

.rc-step-body { flex: 1; min-width: 0 }

.rc-step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  line-height: 1.35
}

.rc-step-detail {
  font-size: 12px;
  color: var(--t2);
  margin-top: 2px;
  line-height: 1.45
}

/* ── StatGroup ── */
.rc-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap
}

.rc-stat {
  flex: 1;
  min-width: 80px;
  background: var(--srf);
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  padding: 10px;
  text-align: center;
  box-shadow: var(--shadow-xs)
}

.rc-stat-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--t3);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 2px
}

.rc-stat-val {
  font-size: 22px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--t1)
}

.rc-stat-val.c-red { color: var(--red) }
.rc-stat-val.c-grn { color: var(--grn) }
.rc-stat-val.c-amb { color: var(--amb) }

.rc-stat-unit {
  font-size: 10px;
  color: var(--t4);
  margin-top: 1px
}

/* ── EvidenceCard ── */
.rc-evidence {
  background: var(--srf);
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  box-shadow: var(--shadow-xs)
}

.rc-evidence-hdr {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px
}

.rc-evidence-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  flex: 1;
  min-width: 0;
  line-height: 1.35
}

.rc-evidence-src {
  font-size: 10.5px;
  font-weight: 500;
  color: var(--or);
  margin-bottom: 4px
}

.rc-evidence-text {
  font-size: 12.5px;
  color: var(--t2);
  line-height: 1.5
}

.rc-evidence-rec {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--srf2);
  border-radius: 8px;
  font-size: 12px;
  color: var(--t1);
  line-height: 1.5
}

.rc-evidence-rec::before {
  content: 'Recommendation';
  display: block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--or);
  margin-bottom: 2px
}

/* ═══ 4. INTERACTIVE COMPONENTS ═══ */

/* ── SingleChoice ── */
.rc-single-opts {
  display: flex;
  flex-direction: column;
  gap: 4px
}

.rc-single-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--srf);
  border: 1.5px solid var(--bd);
  border-radius: 10px;
  cursor: pointer;
  transition: all .15s
}

.rc-single-opt:hover {
  border-color: var(--or-m);
  background: var(--srf2)
}

.rc-single-opt:active { transform: scale(.98) }

.rc-single-radio {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--bd);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .15s
}

.rc-single-radio::after {
  content: '';
  width: 0;
  height: 0;
  border-radius: 50%;
  background: #fff;
  transition: all .15s
}

.rc-single-opt.selected {
  border-color: var(--or);
  background: var(--or-l)
}

.rc-single-opt.selected .rc-single-radio {
  border-color: var(--or);
  background: var(--or)
}

.rc-single-opt.selected .rc-single-radio::after {
  width: 6px;
  height: 6px
}

.rc-single-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--t1);
  flex: 1
}

.rc-single-detail {
  font-size: 11px;
  color: var(--t3);
  margin-top: 1px
}

.rc-single-foot {
  margin-top: 6px;
  display: flex;
  justify-content: flex-end
}

/* ── MultiChoice ── */
.rc-multi-opts {
  display: flex;
  flex-direction: column;
  gap: 4px
}

.rc-multi-opt {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  background: var(--srf);
  border: 1.5px solid var(--bd);
  border-radius: 10px;
  cursor: pointer;
  transition: all .15s
}

.rc-multi-opt:hover {
  border-color: var(--or-m);
  background: var(--srf2)
}

.rc-multi-opt:active { transform: scale(.98) }

.rc-multi-check {
  width: 18px;
  height: 18px;
  border-radius: 5px;
  border: 2px solid var(--bd);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .15s
}

.rc-multi-check svg {
  width: 11px;
  height: 11px;
  opacity: 0;
  transition: opacity .1s;
  color: #fff
}

.rc-multi-opt.selected {
  border-color: var(--or);
  background: var(--or-l)
}

.rc-multi-opt.selected .rc-multi-check {
  border-color: var(--or);
  background: var(--or)
}

.rc-multi-opt.selected .rc-multi-check svg { opacity: 1 }

.rc-multi-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--t1);
  flex: 1
}

.rc-multi-detail {
  font-size: 11px;
  color: var(--t3);
  margin-top: 1px
}

.rc-multi-foot {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  align-items: center
}

/* ── ScaleInput ── */
.rc-scale-row {
  display: flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  flex-wrap: wrap
}

.rc-scale-end {
  font-size: 10px;
  font-weight: 600;
  color: var(--t3);
  white-space: nowrap;
  min-width: 50px
}

.rc-scale-end:first-child { text-align: right }
.rc-scale-end:last-child { text-align: left }

.rc-scale-nums {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: center
}

.rc-scale-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1.5px solid var(--bd);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--t2);
  cursor: pointer;
  transition: all .15s;
  background: var(--srf)
}

.rc-scale-num:hover {
  border-color: var(--or);
  background: var(--or-l);
  color: var(--or)
}

.rc-scale-num:active { transform: scale(.92) }

.rc-scale-num.selected {
  background: var(--or);
  color: #fff;
  border-color: var(--or);
  box-shadow: 0 2px 8px rgba(192, 112, 64, .3)
}

.rc-scale-foot {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end
}

/* ── QuickReply ── */
.rc-quick-opts {
  display: flex;
  flex-wrap: wrap;
  gap: 6px
}

.rc-quick-chip {
  padding: 9px 15px;
  background: var(--srf);
  border: 1.5px solid var(--bd);
  border-radius: 22px;
  font-size: 13px;
  font-weight: 500;
  color: var(--t1);
  cursor: pointer;
  white-space: nowrap;
  transition: all .15s;
  display: flex;
  align-items: center;
  gap: 5px;
  box-shadow: var(--shadow-xs);
  font-family: inherit
}

.rc-quick-chip:hover {
  background: var(--srf2);
  border-color: var(--or-m)
}

.rc-quick-chip:active { transform: scale(.96) }

.rc-quick-chip.selected {
  border-color: var(--or);
  background: var(--or);
  color: #fff
}

/* ── InteractiveChecklist ── */
.rc-checklist-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  margin-bottom: 6px
}

.rc-checklist-items {
  display: flex;
  flex-direction: column;
  gap: 2px
}

.rc-cl-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--srf);
  border: 1px solid var(--bd);
  border-radius: 8px;
  cursor: pointer;
  transition: all .15s
}

.rc-cl-item:hover { background: var(--srf2) }
.rc-cl-item:active { transform: scale(.98) }

.rc-cl-box {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--bd);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .15s
}

.rc-cl-box svg {
  width: 12px;
  height: 12px;
  opacity: 0;
  transition: opacity .1s;
  color: #fff
}

.rc-cl-item.checked .rc-cl-box {
  border-color: var(--grn);
  background: var(--grn)
}

.rc-cl-item.checked .rc-cl-box svg { opacity: 1 }

.rc-cl-item.checked .rc-cl-label {
  text-decoration: line-through;
  color: var(--t3)
}

.rc-cl-label {
  font-size: 13px;
  color: var(--t1);
  flex: 1;
  transition: color .15s
}

.rc-checklist-foot {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  align-items: center
}

/* ── RangeSelect ── */
.rc-range-row {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap
}

.rc-range-input {
  width: 64px;
  padding: 8px 10px;
  border: 1.5px solid var(--bd);
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  color: var(--t1);
  background: var(--srf);
  font-family: inherit;
  transition: border-color .15s;
  -moz-appearance: textfield
}

.rc-range-input::-webkit-outer-spin-button,
.rc-range-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0
}

.rc-range-input:focus {
  outline: none;
  border-color: var(--or)
}

.rc-range-units {
  display: flex;
  gap: 4px;
  flex-wrap: wrap
}

.rc-range-unit {
  padding: 7px 14px;
  border-radius: 20px;
  font-size: 12.5px;
  font-weight: 500;
  border: 1.5px solid var(--bd);
  background: var(--srf);
  color: var(--t2);
  cursor: pointer;
  transition: all .15s;
  font-family: inherit
}

.rc-range-unit:hover {
  border-color: var(--or-m);
  background: var(--srf2)
}

.rc-range-unit:active { transform: scale(.96) }

.rc-range-unit.selected {
  border-color: var(--or);
  background: var(--or);
  color: #fff
}

.rc-range-foot {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  align-items: center
}

/* ── InputPrompt ── */
.rc-input-row {
  display: flex;
  gap: 8px;
  align-items: center
}

.rc-input-field {
  flex: 1;
  padding: 8px 12px;
  border: 1.5px solid var(--bd);
  border-radius: 8px;
  font-size: 14px;
  color: var(--t1);
  background: var(--srf);
  font-family: inherit;
  transition: border-color .15s;
  min-width: 0
}

.rc-input-field:focus {
  outline: none;
  border-color: var(--or)
}

.rc-input-unit {
  font-size: 13px;
  font-weight: 500;
  color: var(--t3);
  flex-shrink: 0
}

.rc-input-foot {
  margin-top: 8px;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  align-items: center
}

/* ── ConfirmAction ── */
.rc-confirm {
  background: var(--srf);
  border: 1px solid var(--bd);
  border-radius: var(--r-sm);
  overflow: hidden;
  box-shadow: var(--shadow-xs)
}

.rc-confirm-hdr {
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--t1);
  background: var(--srf2);
  border-bottom: 1px solid var(--bd);
  display: flex;
  align-items: center;
  gap: 8px
}

.rc-confirm-hdr svg {
  width: 16px;
  height: 16px;
  color: var(--or);
  flex-shrink: 0
}

.rc-confirm-body {
  padding: 12px 14px;
  font-size: 12.5px;
  color: var(--t2);
  line-height: 1.55
}

.rc-confirm-foot {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--bd);
  justify-content: flex-end
}

/* ═══ 5. STATES ═══ */

.rc.rc-done {
  opacity: 0.7;
  pointer-events: none
}

.rc.rc-done .rc-btn,
.rc.rc-done .rc-quick-chip,
.rc.rc-done .rc-single-opt,
.rc.rc-done .rc-multi-opt,
.rc.rc-done .rc-scale-num,
.rc.rc-done .rc-cl-item,
.rc.rc-done .rc-range-unit,
.rc.rc-done .rc-range-input,
.rc.rc-done .rc-input-field {
  cursor: default
}

/* ═══ 6. RESPONSIVE ═══ */

@media (max-width: 600px) {
  .rc-grid {
    grid-template-columns: 1fr;
    gap: 6px
  }

  .rc-scale-num {
    width: 30px;
    height: 30px;
    font-size: 11px
  }

  .rc-scale-nums {
    gap: 3px
  }

  .rc-stat {
    min-width: 70px;
    padding: 8px
  }

  .rc-stat-val {
    font-size: 18px
  }

  .rc-quick-chip {
    font-size: 12.5px;
    padding: 8px 13px;
    white-space: normal;
    max-width: calc(100vw - 90px)
  }

  .rc-cmp table {
    font-size: 12px
  }

  .rc-cmp th,
  .rc-cmp td {
    padding: 6px 8px
  }

  .rc-range-input {
    width: 56px;
    font-size: 14px
  }

  .rc-range-unit {
    padding: 6px 12px;
    font-size: 12px
  }
}

@media (max-width: 380px) {
  .rc-scale-num {
    width: 27px;
    height: 27px;
    font-size: 10px
  }

  .rc-stats {
    gap: 5px
  }

  .rc-stat {
    min-width: 60px;
    padding: 7px
  }

  .rc-stat-val {
    font-size: 16px
  }
}