/* ═══════════════════════════════════════════════
   Hash Nance — 레퍼럴 페이지
   ═══════════════════════════════════════════════ */

.ref-main {
  min-height: calc(100vh - 60px);
  background: var(--bg-body);
}
.ref-container {
  max-width: var(--w-container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
.ref-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  gap: 1rem;
  color: var(--c-dim);
  font-size: .875rem;
}

/* ── Hero ── */
.ref-hero {
  position: relative;
  background: linear-gradient(135deg, #0f766e 0%, #0d9488 40%, #14b8a6 100%);
  padding: clamp(2.5rem, 5vw, 4rem) 1.5rem clamp(3rem, 6vw, 5rem);
  overflow: hidden;
  text-align: center;
}
.ref-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% 120%, rgba(255,255,255,.06), transparent 50%),
    radial-gradient(ellipse 40% 40% at 10% 0%, rgba(255,255,255,.04), transparent 50%),
    radial-gradient(ellipse 40% 40% at 90% 0%, rgba(0,0,0,.08), transparent 50%);
  pointer-events: none;
}
.ref-hero-inner {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}
.ref-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: .375rem;
  padding: .3125rem .75rem;
  margin-bottom: 1rem;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--r-full);
  font-size: .6875rem;
  font-weight: 600;
  color: rgba(255,255,255,.85);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.ref-hero-badge svg { opacity: .7; }
.ref-hero-title {
  font-family: var(--f-display);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 .625rem;
  line-height: 1.2;
  letter-spacing: -.03em;
}
.ref-hero-hl { color: #a7f3d0; }
.ref-hero-desc {
  font-size: .875rem;
  color: rgba(255,255,255,.65);
  margin: 0;
  line-height: 1.6;
}

/* ── Code Card ── */
.ref-code-section {
  margin-top: -2rem;
  position: relative;
  z-index: 2;
}
.ref-code-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.ref-code-card-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.ref-code-left {
  padding: 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .625rem;
}
.ref-code-right {
  padding: 1.5rem 1.75rem;
  border-left: var(--border);
  display: flex;
  align-items: center;
}
.ref-code-label {
  font-size: .6875rem;
  font-weight: 600;
  color: var(--c-dim);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.ref-code-display {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.ref-code-value {
  font-family: var(--f-mono);
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--c-brand);
  letter-spacing: .06em;
}
.ref-code-copy,
.ref-code-edit {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-inset);
  border: var(--border);
  border-radius: var(--r-xs);
  cursor: pointer;
  color: var(--c-sub);
  transition: all .15s var(--ease);
}
.ref-code-copy:hover {
  background: var(--c-brand);
  color: #fff;
  border-color: var(--c-brand);
}
.ref-code-edit:hover {
  background: var(--c-amber);
  color: #fff;
  border-color: var(--c-amber);
}

/* Form */
.ref-code-form {
  display: flex;
  flex-direction: column;
  gap: .375rem;
}
.ref-code-input-row {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ref-code-input {
  width: 160px;
  padding: .5625rem .75rem;
  font-family: var(--f-mono);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--c-text);
  background: var(--bg-inset);
  border: 1.5px solid transparent;
  border-radius: var(--r-sm);
  outline: none;
  transition: all .2s var(--ease);
}
.ref-code-input::placeholder {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .02em;
  text-transform: none;
  color: var(--c-dim);
}
.ref-code-input:focus {
  border-color: var(--c-brand);
  background: var(--bg-card);
  box-shadow: 0 0 0 3px rgba(13,148,136,.08);
}
.ref-code-input.is-invalid {
  border-color: var(--c-red);
}
.ref-code-input.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220,38,38,.08);
}
.ref-save-btn {
  padding: .5625rem 1.125rem;
  background: var(--c-brand);
  color: #fff;
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--f-body);
  font-size: .8125rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-btn);
  transition: all .2s var(--ease);
  white-space: nowrap;
}
.ref-save-btn:hover {
  background: var(--c-brand-dark);
  transform: translateY(-1px);
}
.ref-save-btn:disabled {
  opacity: .5;
  cursor: not-allowed;
  transform: none;
}
.ref-cancel-btn {
  padding: .5625rem .875rem;
  background: var(--bg-inset);
  color: var(--c-sub);
  border: var(--border);
  border-radius: var(--r-sm);
  font-family: var(--f-body);
  font-size: .8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all .15s var(--ease);
  white-space: nowrap;
}
.ref-cancel-btn:hover {
  background: rgba(0,0,0,.04);
  color: var(--c-text);
}
.ref-code-hint {
  font-size: .625rem;
  color: var(--c-dim);
  letter-spacing: .02em;
}
.ref-code-error {
  font-size: .625rem;
  color: var(--c-red);
  font-weight: 500;
  min-height: .875rem;
}

/* Link */
.ref-code-link-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: .375rem;
}
.ref-code-link-label {
  font-size: .6875rem;
  font-weight: 600;
  color: var(--c-dim);
  text-transform: uppercase;
  letter-spacing: .06em;
}
.ref-code-link-box {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ref-code-link-input {
  flex: 1;
  padding: .5rem .75rem;
  font-family: var(--f-mono);
  font-size: .75rem;
  color: var(--c-sub);
  background: var(--bg-inset);
  border: 1.5px solid transparent;
  border-radius: var(--r-xs);
  outline: none;
  cursor: text;
}
.ref-code-link-copy {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-inset);
  border: var(--border);
  border-radius: var(--r-xs);
  cursor: pointer;
  color: var(--c-sub);
  flex-shrink: 0;
  transition: all .15s var(--ease);
}
.ref-code-link-copy:hover {
  background: var(--c-brand);
  color: #fff;
  border-color: var(--c-brand);
}

/* ── Benefits / How It Works ── */
.ref-benefits-section {
  padding: 1.5rem 0 0;
}
.ref-benefits-header {
  text-align: center;
  margin-bottom: 1.25rem;
}
.ref-benefits-label {
  display: inline-block;
  font-size: .625rem;
  font-weight: 700;
  color: var(--c-brand);
  text-transform: uppercase;
  letter-spacing: .12em;
  margin-bottom: .375rem;
}
.ref-benefits-title {
  font-family: var(--f-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--c-text);
  margin: 0;
  letter-spacing: -.02em;
}
.ref-benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .875rem;
}
.ref-benefit-card {
  position: relative;
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: 1.5rem 1.25rem 1.125rem;
  display: flex;
  flex-direction: column;
  gap: .75rem;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
  overflow: hidden;
}
.ref-benefit-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.ref-benefit-card:first-child::before {
  background: linear-gradient(90deg, #f59e0b, #fbbf24);
}
.ref-benefit-card:last-child::before {
  background: linear-gradient(90deg, #0d9488, #14b8a6);
}
.ref-benefit-card:hover {
  border-color: rgba(13,148,136,.15);
  box-shadow: var(--shadow-lg);
}
.ref-benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ref-benefit-icon--purchase {
  background: rgba(245,158,11,.08);
  color: #f59e0b;
}
.ref-benefit-icon--mining {
  background: rgba(13,148,136,.08);
  color: var(--c-brand);
}
.ref-benefit-body {
  flex: 1;
}
.ref-benefit-name {
  font-family: var(--f-display);
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 0 0 .375rem;
}
.ref-benefit-desc {
  font-size: .75rem;
  color: var(--c-sub);
  line-height: 1.65;
  margin: 0;
}
.ref-benefit-tag {
  display: inline-flex;
  align-self: flex-start;
  padding: .1875rem .5rem;
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .03em;
  border-radius: var(--r-full);
  text-transform: uppercase;
}
.ref-benefit-card:first-child .ref-benefit-tag {
  background: rgba(245,158,11,.08);
  color: #d97706;
}
.ref-benefit-card:last-child .ref-benefit-tag {
  background: rgba(13,148,136,.08);
  color: var(--c-brand);
}

/* ── Earnings Card ── */
.ref-earnings-section {
  padding: 1rem 0;
}
.ref-earnings-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ref-earnings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: var(--border);
}
.ref-earnings-title-wrap {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ref-earnings-title-wrap svg {
  color: var(--c-brand);
}
.ref-earnings-title {
  font-family: var(--f-display);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 0;
}
.ref-earnings-body {
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.ref-earnings-total {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  flex-shrink: 0;
}
.ref-earnings-amount {
  font-family: var(--f-mono);
  font-size: 2rem;
  font-weight: 800;
  color: var(--c-brand);
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.ref-earnings-unit {
  font-family: var(--f-mono);
  font-size: .75rem;
  font-weight: 600;
  color: var(--c-dim);
  letter-spacing: .06em;
}
.ref-earnings-breakdown {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .625rem;
  padding-left: 2rem;
  border-left: var(--border);
}
.ref-earnings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ref-earnings-row-left {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ref-earnings-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.ref-earnings-dot--purchase { background: #f59e0b; }
.ref-earnings-dot--mining { background: var(--c-brand); }
.ref-earnings-row-label {
  font-size: .8125rem;
  font-weight: 500;
  color: var(--c-sub);
}
.ref-earnings-row-value {
  font-family: var(--f-mono);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}

/* ── Earnings History ── */
.ref-history-section {
  padding: 0 0 1rem;
}
.ref-history-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ref-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: var(--border);
  gap: .75rem;
  flex-wrap: wrap;
}
.ref-history-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--f-display);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 0;
  white-space: nowrap;
}
.ref-history-title svg { color: var(--c-brand); }
.ref-history-filter {
  display: flex;
  align-items: center;
  gap: .25rem;
  background: var(--bg-inset);
  border-radius: var(--r-full);
  padding: .1875rem;
}
.ref-filter-btn {
  padding: .3125rem .75rem;
  font-family: var(--f-body);
  font-size: .6875rem;
  font-weight: 600;
  color: var(--c-dim);
  background: transparent;
  border: none;
  border-radius: var(--r-full);
  cursor: pointer;
  transition: all .15s var(--ease);
  white-space: nowrap;
}
.ref-filter-btn:hover {
  color: var(--c-sub);
}
.ref-filter-btn.is-active {
  background: var(--bg-card);
  color: var(--c-brand);
  box-shadow: var(--shadow-xs);
}

.ref-history-body {
  max-height: 420px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.08) transparent;
}

.ref-history-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 1.5rem;
  gap: .375rem;
  text-align: center;
}
.ref-history-empty p {
  color: var(--c-sub);
  font-size: .8125rem;
  font-weight: 500;
  margin: 0;
}
.ref-history-empty-sub {
  color: var(--c-dim);
  font-size: .6875rem;
}

.ref-history-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .875rem;
  padding: .875rem 1.5rem;
  align-items: center;
  border-bottom: 1px solid rgba(0,0,0,.03);
  transition: background .15s var(--ease);
}
.ref-history-item:last-child { border-bottom: none; }
.ref-history-item:hover { background: rgba(13,148,136,.015); }

.ref-history-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--r-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ref-history-icon--purchase {
  background: rgba(245,158,11,.07);
  color: #f59e0b;
}
.ref-history-icon--mining {
  background: rgba(13,148,136,.07);
  color: var(--c-brand);
}
.ref-history-icon svg {
  width: 16px;
  height: 16px;
}
.ref-history-info {
  display: flex;
  flex-direction: column;
  gap: .125rem;
  min-width: 0;
}
.ref-history-label {
  font-size: .8125rem;
  font-weight: 600;
  color: var(--c-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ref-history-meta {
  font-size: .6875rem;
  color: var(--c-dim);
  display: flex;
  align-items: center;
  gap: .5rem;
}
.ref-history-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .125rem;
  flex-shrink: 0;
}
.ref-history-amount {
  font-family: var(--f-mono);
  font-size: .875rem;
  font-weight: 700;
  color: var(--c-brand);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.ref-history-date {
  font-size: .625rem;
  color: var(--c-dim);
  font-variant-numeric: tabular-nums;
}
.ref-history-source {
  color: var(--c-dim);
  font-variant-numeric: tabular-nums;
}
.ref-history-rate {
  background: rgba(99,102,241,.1);
  color: #6366f1;
  border-radius: 4px;
  padding: .1rem .35rem;
  font-size: .625rem;
  font-weight: 600;
  white-space: nowrap;
}

/* ── Stats ── */
.ref-stats-section {
  padding: 0 0 1.5rem;
}
.ref-stats-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  padding: 1.25rem 2rem;
}
.ref-stat {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .1875rem;
}
.ref-stat-num {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}
.ref-stat-label {
  font-size: .6875rem;
  font-weight: 500;
  color: var(--c-dim);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.ref-stat-divider {
  width: 1px;
  height: 36px;
  background: rgba(0,0,0,.06);
  flex-shrink: 0;
}

/* ── List Card ── */
.ref-list-section {
  padding: 0 0 3rem;
}
.ref-list-card {
  background: var(--bg-card);
  border: var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.ref-list-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: var(--border);
}
.ref-list-title {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--f-display);
  font-size: .9375rem;
  font-weight: 700;
  color: var(--c-text);
  margin: 0;
}
.ref-list-title svg { color: var(--c-brand); }
.ref-list-count {
  font-size: .75rem;
  font-weight: 500;
  color: var(--c-dim);
}

.ref-list-body {
  max-height: 600px;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,.08) transparent;
}

/* Empty */
.ref-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.5rem;
  gap: .5rem;
  text-align: center;
}
.ref-empty p {
  color: var(--c-sub);
  font-size: .875rem;
  font-weight: 500;
  margin: 0;
}
.ref-empty-sub {
  color: var(--c-dim);
  font-size: .75rem;
}

/* ── Referral User Item ── */
.ref-user-item {
  border-bottom: 1px solid rgba(0,0,0,.03);
  transition: background .15s var(--ease);
}
.ref-user-item:last-child { border-bottom: none; }
.ref-user-item:hover { background: rgba(13,148,136,.01); }

.ref-user-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: .875rem;
  padding: 1rem 1.5rem;
  align-items: center;
  cursor: pointer;
}
.ref-user-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-brand), #06b6d4);
  color: #fff;
  font-size: .8125rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ref-user-info {
  display: flex;
  flex-direction: column;
  gap: .125rem;
  min-width: 0;
}
.ref-user-name {
  font-size: .875rem;
  font-weight: 600;
  color: var(--c-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ref-user-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.ref-user-meta-item {
  font-size: .6875rem;
  color: var(--c-dim);
  display: flex;
  align-items: center;
  gap: .25rem;
}
.ref-user-meta-item svg { opacity: .5; width: 12px; height: 12px; }

.ref-user-badges {
  display: flex;
  align-items: center;
  gap: .375rem;
  flex-shrink: 0;
}
.ref-user-badge {
  padding: .1875rem .5rem;
  font-size: .5625rem;
  font-weight: 700;
  letter-spacing: .02em;
  border-radius: var(--r-full);
  text-transform: uppercase;
}
.ref-badge-rigs {
  background: rgba(13,148,136,.08);
  color: var(--c-brand);
}
.ref-badge-active {
  background: rgba(5,150,105,.06);
  color: var(--c-green);
}
.ref-badge-none {
  background: var(--bg-inset);
  color: var(--c-dim);
}

.ref-user-chevron {
  color: var(--c-dim);
  transition: transform .2s var(--ease);
  flex-shrink: 0;
}
.ref-user-item.is-open .ref-user-chevron {
  transform: rotate(180deg);
}

/* Expandable rig details */
.ref-user-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease);
}
.ref-user-item.is-open .ref-user-details {
  max-height: 500px;
}
.ref-user-details-inner {
  padding: 0 1.5rem 1rem;
  padding-left: calc(1.5rem + 38px + .875rem);
}
.ref-rig-table {
  width: 100%;
  border: var(--border);
  border-radius: var(--r-sm);
  overflow: hidden;
}
.ref-rig-thead {
  display: grid;
  grid-template-columns: 1.5fr 1fr .8fr .6fr;
  gap: .375rem;
  padding: .5rem .875rem;
  background: var(--bg-inset);
  font-size: .5625rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--c-dim);
}
.ref-rig-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr .8fr .6fr;
  gap: .375rem;
  padding: .5rem .875rem;
  align-items: center;
  border-bottom: 1px solid rgba(0,0,0,.03);
  font-size: .75rem;
}
.ref-rig-row:last-child { border-bottom: none; }
.ref-rig-name {
  font-weight: 600;
  color: var(--c-text);
}
.ref-rig-gpu {
  color: var(--c-sub);
}
.ref-rig-price {
  font-family: var(--f-mono);
  font-weight: 600;
  color: var(--c-text);
}
.ref-rig-status {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  font-size: .625rem;
  font-weight: 600;
}
.ref-rig-status-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}
.ref-rig-status.active { color: var(--c-green); }
.ref-rig-status.active .ref-rig-status-dot { background: var(--c-green); }
.ref-rig-status.ended { color: var(--c-dim); }
.ref-rig-status.ended .ref-rig-status-dot { background: var(--c-dim); }

.ref-no-rigs {
  padding: .75rem;
  text-align: center;
  color: var(--c-dim);
  font-size: .75rem;
}

/* ══════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════ */
@media (max-width: 768px) {
  .ref-code-card-inner {
    grid-template-columns: 1fr;
  }
  .ref-code-right {
    border-left: none;
    border-top: var(--border);
    padding: 1rem 1.75rem 1.5rem;
  }
  .ref-code-value {
    font-size: 1.375rem;
  }
  .ref-benefits-grid {
    grid-template-columns: 1fr;
    gap: .75rem;
  }
  .ref-earnings-body {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }
  .ref-earnings-breakdown {
    width: 100%;
    padding-left: 0;
    border-left: none;
    padding-top: 1rem;
    border-top: var(--border);
  }
  .ref-history-head {
    flex-direction: column;
    align-items: flex-start;
    gap: .625rem;
  }
  .ref-history-filter {
    width: 100%;
    justify-content: center;
  }
  .ref-history-item {
    padding: .875rem 1.25rem;
  }
  .ref-stats-grid {
    padding: 1rem 1.25rem;
  }
  .ref-stat-num {
    font-size: 1.25rem;
  }
  .ref-user-header {
    padding: .875rem 1.25rem;
  }
  .ref-user-details-inner {
    padding-left: 1.25rem;
  }
  .ref-rig-thead, .ref-rig-row {
    grid-template-columns: 1.2fr 1fr .7fr;
  }
  .ref-rig-thead span:nth-child(4),
  .ref-rig-row span:nth-child(4) {
    display: none;
  }
}

@media (max-width: 520px) {
  .ref-container {
    padding: 0 .75rem;
  }
  .ref-hero {
    padding: 1.5rem 1rem 2.5rem;
  }
  .ref-hero-title {
    font-size: 1.25rem;
  }
  .ref-code-left {
    padding: 1.25rem;
  }
  .ref-code-right {
    padding: 1rem 1.25rem 1.25rem;
  }
  .ref-code-value {
    font-size: 1.125rem;
  }
  .ref-benefit-card {
    padding: 1.25rem 1rem 1rem;
  }
  .ref-benefit-icon {
    width: 38px;
    height: 38px;
  }
  .ref-benefit-icon svg {
    width: 18px;
    height: 18px;
  }
  .ref-earnings-amount {
    font-size: 1.5rem;
  }
  .ref-earnings-header {
    padding: .875rem 1rem;
  }
  .ref-earnings-body {
    padding: 1.25rem 1rem;
  }
  .ref-history-head {
    padding: .875rem 1rem;
  }
  .ref-history-item {
    padding: .75rem;
    gap: .625rem;
  }
  .ref-history-icon {
    width: 30px;
    height: 30px;
  }
  .ref-history-icon svg {
    width: 14px;
    height: 14px;
  }
  .ref-history-label {
    font-size: .75rem;
  }
  .ref-history-amount {
    font-size: .75rem;
  }
  .ref-stats-grid {
    flex-wrap: wrap;
    gap: .75rem;
    padding: 1rem;
  }
  .ref-stat-divider {
    display: none;
  }
  .ref-stat {
    min-width: calc(33% - .5rem);
  }
  .ref-user-header {
    grid-template-columns: auto 1fr auto;
    gap: .625rem;
    padding: .75rem;
  }
  .ref-user-avatar {
    width: 32px;
    height: 32px;
    font-size: .6875rem;
  }
  .ref-user-name {
    font-size: .8125rem;
  }
  .ref-user-details-inner {
    padding: 0 .75rem 1rem;
  }
  .ref-list-head {
    padding: .875rem 1rem;
  }
}