/* =========================================================
   AxisVPN Mini App - Isolated Referral & Affiliate Hub
   ========================================================= */

.referral-container {
  padding: calc(16px + var(--tg-total-safe-top, 0px)) 18px calc(36px + var(--tg-safe-bottom, 0px)) 18px;
}

/* Header with Back Button */
.referral-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.referral-nav-title {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--text-primary);
}

/* Hero Referral Card (Dark Aurora Gradient) */
.referral-hero-card {
  background: linear-gradient(-45deg, #1E1035, #351368, #111827, #4C1D95);
  background-size: 300% 300%;
  animation: darkAuroraGradient 15s ease infinite;
  border-radius: 24px;
  padding: 22px 18px;
  color: #FFFFFF;
  box-shadow: 0 14px 36px -4px rgba(91, 33, 182, 0.35), 0 0 1px 1px rgba(255, 255, 255, 0.12) inset;
  border: 1px solid rgba(255, 255, 255, 0.14);
  position: relative;
  overflow: hidden;
  margin-bottom: 16px;
  text-align: center;
}

.referral-hero-card::after {
  content: "";
  position: absolute;
  top: -30%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(167, 139, 250, 0.25) 0%, rgba(109, 40, 217, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.referral-gift-emblem {
  width: 58px;
  height: 58px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.3) 0%, rgba(217, 119, 6, 0.15) 100%);
  border: 1.5px solid rgba(245, 158, 11, 0.5);
  color: #FDE68A;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  box-shadow: 0 8px 24px rgba(245, 158, 11, 0.25);
  position: relative;
  z-index: 1;
}

.referral-hero-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 6px;
  line-height: 1.25;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  position: relative;
  z-index: 1;
}

.referral-hero-title span {
  color: #FDE68A;
}

.referral-hero-desc {
  font-size: 0.8rem;
  color: #DDD6FE;
  line-height: 1.55;
  max-width: 320px;
  margin: 0 auto 12px;
  position: relative;
  z-index: 1;
}

.referral-tier-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.12);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 0.74rem;
  font-weight: 700;
  color: #DDD6FE;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
  position: relative;
  z-index: 1;
}

/* 3-Column Key Metric Boxes */
.referral-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.referral-stat-box {
  background: var(--surface-white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 18px;
  padding: 12px 8px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}

.referral-stat-box-icon {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2px;
}

.referral-stat-box-val {
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--text-primary);
}

.referral-stat-box-lbl {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
  text-align: center;
}

/* Dedicated Share & Link Station */
.referral-link-card {
  background: var(--surface-white);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.05);
  margin-bottom: 16px;
}

.referral-card-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.referral-card-header-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text-primary);
}

.referral-link-box {
  background: var(--surface-base);
  border: 1px dashed rgba(109, 40, 217, 0.3);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 0.76rem;
  color: var(--brand-purple);
  font-weight: 600;
  word-break: break-all;
  direction: ltr;
  text-align: left;
  margin-bottom: 12px;
  user-select: all;
  -webkit-user-select: all;
}

.referral-buttons-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.referral-telegram-btn {
  background: linear-gradient(135deg, #229ED9 0%, #0088CC 100%);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-full);
  padding: 10px 14px;
  font-size: 0.82rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 136, 204, 0.3);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  text-decoration: none;
}

.referral-telegram-btn:active {
  transform: scale(0.95);
}

/* How It Works Steps Card */
.referral-steps-card {
  background: var(--surface-white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 6px 20px -4px rgba(0, 0, 0, 0.04);
  margin-bottom: 16px;
}

.referral-step-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.referral-step-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.referral-step-number {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface-frost-purple);
  color: var(--brand-purple);
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid rgba(109, 40, 217, 0.15);
}

.referral-step-title {
  font-size: 0.84rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.referral-step-desc {
  font-size: 0.74rem;
  color: var(--text-secondary);
  line-height: 1.45;
}

/* Activity Log Card */
.referral-activity-card {
  background: var(--surface-white);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 22px;
  padding: 18px;
  box-shadow: 0 6px 20px -4px rgba(0, 0, 0, 0.04);
}

.referral-activity-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.78rem;
}

.referral-activity-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.referral-activity-user {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--text-primary);
}

.referral-activity-reward {
  font-weight: 800;
  color: var(--eco-tier);
  direction: ltr;
}

/* =========================================================
   Dark Mode Referral Screen Overrides
   ========================================================= */
[data-theme="dark"] .referral-stat-box,
[data-theme="dark"] .referral-link-card,
[data-theme="dark"] .referral-steps-card,
[data-theme="dark"] .referral-activity-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .referral-link-box {
  background: rgba(0, 0, 0, 0.25);
  border-color: rgba(124, 58, 237, 0.35);
  color: #C4B5FD;
}

[data-theme="dark"] .referral-step-item,
[data-theme="dark"] .referral-activity-row {
  border-bottom-color: var(--border);
}

[data-theme="dark"] .referral-step-number {
  background: rgba(124, 58, 237, 0.18);
  color: #C4B5FD;
  border-color: rgba(124, 58, 237, 0.3);
}