/* Referral System Styles - v3 Mobile */
.referral-screen-content { padding: 16px; max-width: 100%; overflow-x: hidden; }

.referral-code-section {
    background: linear-gradient(135deg, rgba(139,92,246,0.15), rgba(236,72,153,0.1));
    border: 1px solid rgba(139,92,246,0.3);
    border-radius: 16px;
    padding: 20px 16px;
    margin-bottom: 16px;
    text-align: center;
}
.section-title { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 12px; }

.referral-code-display {
    display: flex; align-items: center; justify-content: center;
    gap: 10px; flex-wrap: wrap; margin-bottom: 8px;
}
.code-value {
    font-family: monospace; font-size: 20px; font-weight: 700; color: #8B5CF6;
    background: rgba(139,92,246,0.15); padding: 10px 14px; border-radius: 10px; letter-spacing: 2px;
}
.copy-btn {
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
    color: #fff; border: none; padding: 10px 16px; border-radius: 10px;
    font-size: 14px; font-weight: 600; cursor: pointer;
}
.code-hint { font-size: 13px; color: #888; margin: 0; }

.enter-code-section {
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px; padding: 16px; margin-bottom: 16px;
}
.enter-code-form { display: flex; gap: 10px; }
.enter-code-form input {
    flex: 1; min-width: 0; padding: 12px; border-radius: 10px;
    border: 1px solid rgba(139,92,246,0.3); background: rgba(255,255,255,0.05);
    color: #fff; font-size: 16px; text-transform: uppercase;
}
.enter-code-form input::placeholder { color: #666; text-transform: none; }
.apply-btn {
    background: linear-gradient(135deg, #22C55E, #16A34A);
    color: #fff; border: none; padding: 12px 16px; border-radius: 10px;
    font-size: 14px; font-weight: 600; cursor: pointer; white-space: nowrap;
}

/* Battery Bonus Section */
.battery-bonus-section {
    background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(139,92,246,0.08));
    border: 1px solid rgba(34,197,94,0.25);
    border-radius: 16px; padding: 16px; margin-bottom: 16px;
}
.bonus-info { display: flex; flex-direction: column; gap: 8px; }
.bonus-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 10px 12px; background: rgba(255,255,255,0.05); border-radius: 8px;
    font-size: 14px; color: #a0a0a0;
}
.bonus-row span:last-child { color: #22C55E; font-weight: 600; }
.bonus-total {
    display: flex; justify-content: space-between; align-items: center;
    padding: 12px; background: linear-gradient(135deg, rgba(34,197,94,0.2), rgba(139,92,246,0.15));
    border-radius: 10px; font-size: 15px; font-weight: 700; color: #fff;
    border: 1px solid rgba(34,197,94,0.3);
}
.bonus-total span:last-child { color: #22C55E; font-size: 17px; }

/* Friends Section */
.friends-section {
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
    border-radius: 16px; padding: 16px; margin-bottom: 16px;
}
.friends-list { display: flex; flex-direction: column; gap: 10px; }
.friend-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px; background: rgba(255,255,255,0.05); border-radius: 12px;
}
.friend-avatar {
    width: 40px; height: 40px; border-radius: 50%;
    background: linear-gradient(135deg, #8B5CF6, #EC4899);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 700; color: #fff; flex-shrink: 0;
}
.friend-info { flex: 1; min-width: 0; }
.friend-name { font-size: 14px; font-weight: 600; color: #fff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.friend-bonus { font-size: 12px; color: #22C55E; font-weight: 600; }
.friend-item.l2 { opacity: 0.85; }
.friend-item.l2 .friend-avatar { background: linear-gradient(135deg, #64748B, #475569); }

/* Empty State */
.referral-empty { text-align: center; padding: 40px 20px; }
.referral-empty-icon { font-size: 48px; margin-bottom: 12px; }
.referral-empty h3 { color: #fff; margin: 0 0 8px; font-size: 18px; }
.referral-empty p { color: #888; margin: 0; font-size: 14px; }
/* Loading */
.referral-loading { display: flex; justify-content: center; padding: 60px 20px; }
.loader-small { width: 32px; height: 32px; border: 3px solid rgba(139,92,246,0.2); border-top-color: #8B5CF6; border-radius: 50%; animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Mobile optimizations */
@media (max-width: 380px) {
    .referral-screen-content { padding: 12px; }
    .code-value { font-size: 18px; padding: 8px 12px; letter-spacing: 1px; }
    .copy-btn { padding: 8px 12px; font-size: 13px; }
    .section-title { font-size: 14px; }
    .enter-code-form { flex-direction: column; }
    .apply-btn { width: 100%; }
}
.referral-card-mini{display:flex;align-items:center;gap:14px;padding:16px 18px;background:linear-gradient(135deg,rgba(139,92,246,0.15),rgba(236,72,153,0.08));border:1px solid rgba(139,92,246,0.25);border-radius:16px;cursor:pointer;transition:all 0.3s;margin-bottom:16px}
.referral-card-mini:hover{background:linear-gradient(135deg,rgba(139,92,246,0.2),rgba(236,72,153,0.12));border-color:rgba(139,92,246,0.4);transform:translateY(-2px);box-shadow:0 8px 24px rgba(139,92,246,0.2)}
.referral-card-mini:active{transform:scale(0.98)}.referral-card-icon{font-size:28px;flex-shrink:0}.referral-card-info{flex:1;min-width:0}
.referral-card-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:2px}.referral-card-desc{font-size:13px;color:rgba(255,255,255,0.6)}
.referral-card-arrow{width:24px;height:24px;flex-shrink:0;display:flex;align-items:center;justify-content:center}.referral-card-arrow svg{width:20px;height:20px;fill:rgba(255,255,255,0.4);transition:all 0.3s}
.referral-card-mini:hover .referral-card-arrow svg{fill:rgba(255,255,255,0.7);transform:translateX(2px)}

/* Referral Header */
.referral-header { text-align: center; margin-bottom: 20px; }
.referral-icon { font-size: 48px; margin-bottom: 8px; }
.referral-header h1 { font-size: 20px; color: #fff; margin: 0; }

/* Info Section */
.referral-info-section {
    background: rgba(139,92,246,0.1); border: 1px solid rgba(139,92,246,0.2);
    border-radius: 12px; padding: 14px; margin-bottom: 16px;
}
.referral-info-section h3 { font-size: 15px; color: #fff; margin: 0 0 8px; }
.referral-info-section p { font-size: 13px; color: #aaa; margin: 0 0 8px; }
.referral-info-section ul { margin: 0; padding-left: 20px; }
.referral-info-section li { font-size: 13px; color: #aaa; margin-bottom: 4px; }
.referral-info-section li strong { color: #22C55E; }

/* Stats Mini */
.referral-stats-mini { display: flex; gap: 16px; justify-content: center; margin-top: 12px; }
.stat-item { text-align: center; }
.stat-value { display: block; font-size: 20px; font-weight: 700; color: #8B5CF6; }
.stat-label { font-size: 12px; color: #888; }

/* Tabs */
.friends-tabs { display: flex; gap: 8px; margin-bottom: 12px; }
.tab-btn {
    flex: 1; padding: 10px; border: 1px solid rgba(139,92,246,0.3);
    background: rgba(139,92,246,0.1); color: #aaa; border-radius: 8px;
    font-size: 13px; cursor: pointer; transition: all 0.2s;
}
.tab-btn.active { background: linear-gradient(135deg, #8B5CF6, #EC4899); color: #fff; border-color: transparent; }

/* Tip */
.referral-tip {
    display: flex; gap: 10px; align-items: flex-start;
    background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2);
    border-radius: 12px; padding: 12px;
}
.tip-icon { font-size: 20px; }
.referral-tip p { font-size: 13px; color: #aaa; margin: 0; }

/* Code display */
.code-display { display: flex; gap: 10px; align-items: center; justify-content: center; }

/* Empty friends */
.empty-friends { text-align: center; padding: 20px; color: #888; font-size: 14px; }