/* ==========================================
   NexusAPI — User Dashboard Styles
   ========================================== */

/* Page wrapper */
.ud-page-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 90px 24px 60px;
  min-height: 100vh;
}

/* ===== Profile Header ===== */
.ud-profile-header {
  position: relative;
  margin-bottom: 32px;
  border-radius: 18px;
  overflow: hidden;
}
.ud-profile-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(6,182,212,0.10) 50%, rgba(99,102,241,0.08) 100%);
  border: 1px solid rgba(99,102,241,0.12);
  border-radius: 18px;
}
.ud-profile-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 20%, rgba(99,102,241,0.12), transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(6,182,212,0.08), transparent 60%);
}
.ud-profile-content {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 32px 28px;
}
.ud-profile-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, #6366f1, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 24px rgba(99,102,241,0.3);
}
.ud-profile-info { flex: 1; }
.ud-profile-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.ud-profile-email {
  font-size: 0.9rem;
  color: var(--text3);
  margin-bottom: 10px;
}
.ud-profile-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.ud-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.ud-badge-plan {
  background: rgba(99,102,241,0.12);
  color: #a5b4fc;
  border: 1px solid rgba(99,102,241,0.2);
}
.ud-badge-since {
  background: rgba(255,255,255,0.05);
  color: var(--text3);
  border: 1px solid rgba(255,255,255,0.08);
}

/* ===== KPI Row ===== */
.ud-kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}
.ud-kpi-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: border-color .2s, transform .2s;
}
.ud-kpi-card:hover {
  border-color: rgba(99,102,241,0.2);
  transform: translateY(-2px);
}
.ud-kpi-icon { font-size: 1.5rem; flex-shrink: 0; }
.ud-kpi-body { flex: 1; min-width: 0; }
.ud-kpi-label {
  font-size: 0.78rem;
  color: var(--text3);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ud-kpi-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
}

/* ===== Tabs ===== */
.ud-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  padding-bottom: 0;
}
.ud-tab {
  background: none;
  border: none;
  color: var(--text3);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 12px 18px;
  cursor: pointer;
  position: relative;
  transition: color .2s;
  font-family: var(--font);
}
.ud-tab:hover { color: var(--text2); }
.ud-tab.active {
  color: var(--primary2);
}
.ud-tab.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #6366f1, #06b6d4);
  border-radius: 2px;
}

/* ===== Panels ===== */
.ud-panel { display: none; animation: udFadeIn .3s ease; }
.ud-panel.active { display: block; }
@keyframes udFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Cards ===== */
.ud-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 14px;
  overflow: hidden;
  margin-bottom: 16px;
}
.ud-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.ud-card-head h3 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}
.ud-card-body { padding: 16px 20px; }

/* Panel grid */
.ud-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.ud-card-wide { grid-column: 1 / -1; }

/* Link button */
.ud-link {
  background: none;
  border: none;
  color: var(--primary2);
  font-size: 0.82rem;
  cursor: pointer;
  font-family: var(--font);
  transition: color .2s;
}
.ud-link:hover { color: #c7d2fe; }

/* ===== Empty State ===== */
.ud-empty {
  text-align: center;
  padding: 32px 16px;
  color: var(--text3);
  font-size: 0.88rem;
}

/* ===== Usage Grid ===== */
.ud-usage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}
.ud-usage-item {
  background: rgba(99,102,241,0.06);
  border: 1px solid rgba(99,102,241,0.1);
  border-radius: 10px;
  padding: 14px 16px;
}
.ud-usage-label {
  font-size: 0.75rem;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}
.ud-usage-value {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}

/* ===== Info Grid ===== */
.ud-info-grid { display: flex; flex-direction: column; gap: 0; }
.ud-info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ud-info-row:last-child { border-bottom: none; }
.ud-info-label {
  font-size: 0.85rem;
  color: var(--text3);
}
.ud-info-val {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text);
}

/* ===== Orders Table ===== */
.ud-table-wrap { overflow-x: auto; }
.ud-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.ud-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  white-space: nowrap;
}
.ud-table td {
  padding: 12px 14px;
  color: var(--text2);
  border-bottom: 1px solid rgba(255,255,255,0.03);
  white-space: nowrap;
}
.ud-table tr:hover td { background: rgba(255,255,255,0.02); }

/* Status badges */
.ud-status {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
}
.ud-status-paid { background: rgba(16,185,129,0.12); color: #34d399; }
.ud-status-pending { background: rgba(245,158,11,0.12); color: #fbbf24; }
.ud-status-refunded { background: rgba(99,102,241,0.12); color: #a5b4fc; }
.ud-status-failed { background: rgba(239,68,68,0.12); color: #f87171; }

/* Order type badge */
.ud-type-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(255,255,255,0.06);
  color: var(--text2);
}

/* Table footer & pagination */
.ud-table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 0;
}
.ud-table-footer span {
  font-size: 0.8rem;
  color: var(--text3);
}
.ud-pagination { display: flex; gap: 4px; }
.ud-page-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  color: var(--text2);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  font-family: var(--font);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .15s;
}
.ud-page-btn:hover { background: rgba(99,102,241,0.15); border-color: rgba(99,102,241,0.3); }
.ud-page-btn.active { background: #6366f1; border-color: #6366f1; color: #fff; }

/* ===== API Keys ===== */
.ud-key-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.ud-key-card:last-child { border-bottom: none; }
.ud-key-info { flex: 1; min-width: 0; }
.ud-key-name {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.ud-key-code {
  font-size: 0.78rem;
  color: var(--text3);
  font-family: 'Courier New', monospace;
  word-break: break-all;
}
.ud-key-meta {
  display: flex;
  gap: 16px;
  margin-top: 6px;
  font-size: 0.75rem;
  color: var(--text3);
}
.ud-key-actions { display: flex; gap: 8px; flex-shrink: 0; margin-left: 16px; }

/* ===== Buttons ===== */
.ud-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  font-family: var(--font);
  transition: all .2s;
}
.ud-btn:hover { background: rgba(255,255,255,0.1); }
.ud-btn-primary {
  background: linear-gradient(135deg, #6366f1, #4f46e5);
  border-color: #6366f1;
  color: #fff;
}
.ud-btn-primary:hover { background: linear-gradient(135deg, #818cf8, #6366f1); }
.ud-btn-danger {
  color: #f87171;
  border-color: rgba(239,68,68,0.2);
}
.ud-btn-danger:hover { background: rgba(239,68,68,0.1); }

/* ===== Select ===== */
.ud-select {
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  color: var(--text);
  font-size: 0.82rem;
  font-family: var(--font);
  cursor: pointer;
}
.ud-select option { background: #0c1220; color: var(--text); }

/* ===== Billing ===== */
.ud-balance-display {
  text-align: center;
  padding: 28px 0 24px;
}
.ud-balance-amount {
  font-size: 3rem;
  font-weight: 800;
  color: #10b981;
  line-height: 1;
}
.ud-balance-label {
  font-size: 0.88rem;
  color: var(--text3);
  margin-top: 8px;
}
.ud-topup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding-top: 8px;
}
.ud-topup-card {
  background: rgba(99,102,241,0.06);
  border: 1px solid rgba(99,102,241,0.12);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all .2s;
  font-family: var(--font);
}
.ud-topup-card:hover {
  background: rgba(99,102,241,0.12);
  border-color: rgba(99,102,241,0.25);
  transform: translateY(-2px);
}
.ud-topup-amount {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text);
}
.ud-topup-tokens {
  font-size: 0.78rem;
  color: var(--text3);
  margin-top: 4px;
}

/* ===== Keys mini list (overview) ===== */
.ud-keys-mini { margin-top: 12px; }
.ud-key-mini {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.82rem;
}
.ud-key-mini-code {
  font-family: 'Courier New', monospace;
  color: var(--text3);
  font-size: 0.78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 180px;
}

/* ===== Toast ===== */
.ud-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: rgba(16,185,129,0.95);
  color: #fff;
  padding: 12px 24px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  z-index: 9999;
  opacity: 0;
  transition: all .3s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
}
.ud-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .ud-page-wrap { padding: 80px 16px 40px; }
  .ud-kpi-row { grid-template-columns: repeat(2, 1fr); }
  .ud-panel-grid { grid-template-columns: 1fr; }
  .ud-card-wide { grid-column: 1; }
  .ud-profile-content { padding: 24px 18px; }
  .ud-profile-avatar { width: 56px; height: 56px; font-size: 1.1rem; }
  .ud-profile-name { font-size: 1.2rem; }
  .ud-topup-grid { grid-template-columns: repeat(2, 1fr); }
  .ud-table-footer { flex-direction: column; gap: 12px; align-items: flex-start; }
  
  /* === H5 Enhanced Styles === */
  .ud-kpi-card { padding: 16px; border-radius: 12px; }
  .ud-kpi-value { font-size: 1.2rem; }
  .ud-kpi-label { font-size: 11px; }
  .ud-tabs { border-radius: 10px; }
  .ud-card { border-radius: 14px; }
  .ud-card-head { padding: 14px 16px; }
  .ud-card-body { padding: 14px 16px; }
  .ud-info-row { padding: 10px 0; }
  
  /* Mobile nav overlay */
  .mobile-nav-overlay {
    position: fixed; inset: 0; z-index: 998;
    background: rgba(0,0,0,0.5);
    opacity: 0; visibility: hidden;
    transition: all .3s;
  }
  .mobile-nav-overlay.active { opacity: 1; visibility: visible; }
  .mobile-nav {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 999;
    width: 280px; background: rgba(10,11,20,0.98);
    border-left: 1px solid rgba(255,255,255,0.07);
    backdrop-filter: blur(24px);
    transform: translateX(100%);
    transition: transform .3s cubic-bezier(.4,0,.2,1);
    padding: 80px 24px 24px;
    display: flex; flex-direction: column; gap: 4px;
  }
  .mobile-nav.open { transform: translateX(0); }
  .mobile-nav a {
    display: block; padding: 14px 16px;
    color: var(--text2); text-decoration: none;
    font-size: 15px; font-weight: 500;
    border-radius: 10px; transition: all .15s;
  }
  .mobile-nav a:hover { background: rgba(255,255,255,0.05); color: var(--text); }
}
@media (max-width: 480px) {
  .ud-kpi-row { grid-template-columns: 1fr; }
  .ud-topup-grid { grid-template-columns: 1fr; }
  .ud-tabs { overflow-x: auto; }
  .ud-tab { font-size: 0.82rem; padding: 10px 14px; white-space: nowrap; }
  
  /* Ultra small */
  .ud-page-wrap { padding: 70px 12px 30px; }
  .ud-profile-avatar { width: 48px; height: 48px; font-size: 1rem; }
  .ud-profile-name { font-size: 1.1rem; }
  .ud-profile-email { font-size: 12px; }
  .ud-kpi-card { padding: 14px 12px; }
  .ud-kpi-value { font-size: 1.1rem; }
  .ud-card { border-radius: 12px; }
  .ud-card-body { padding: 12px; }
  .ud-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .ud-table { min-width: 500px; }
  .ud-topup-card { padding: 16px 12px; }
  .ud-topup-amount { font-size: 1.3rem; }
}

/* ==========================================
   REFERRAL / EARN TAB
   ========================================== */

.ud-referral-hero {
  text-align: center;
  padding: 40px 24px;
  background: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(16,185,129,0.08) 100%);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
}

.ref-hero-icon {
  font-size: 2.8rem;
  margin-bottom: 14px;
}

.ref-hero-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.ref-hero-sub {
  font-size: 14px;
  color: var(--text2);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Referral link */
.ref-link-box {
  display: flex;
  gap: 10px;
  align-items: center;
}

.ref-link-input {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', monospace;
  outline: none;
}

.ref-link-input:focus {
  border-color: var(--primary);
}

.ref-link-hint {
  font-size: 12px;
  color: var(--text3);
  margin-top: 10px;
}

.ud-badge-ref {
  background: rgba(16,185,129,0.12);
  color: #10b981;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
}

/* Commission rate cards */
.ref-rates-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.ref-rate-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 12px;
  text-align: center;
  position: relative;
  transition: all .15s;
}

.ref-rate-card:hover {
  border-color: var(--border2);
}

.ref-rate-featured {
  border-color: rgba(99,102,241,0.3);
  background: rgba(99,102,241,0.06);
}

.ref-rate-best {
  border-color: rgba(16,185,129,0.3);
  background: rgba(16,185,129,0.06);
}

.ref-rate-badge {
  position: absolute;
  top: -8px;
  right: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.ref-rate-best .ref-rate-badge {
  background: #10b981;
}

.ref-rate-name {
  font-size: 12px;
  color: var(--text3);
  margin-bottom: 4px;
}

.ref-rate-pct {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
}

.ref-rate-detail {
  font-size: 11px;
  color: var(--text3);
  margin-top: 6px;
}

/* Earnings stats */
.ref-earnings-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.ref-earn-item {
  text-align: center;
  padding: 14px 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.ref-earn-num {
  font-size: 20px;
  font-weight: 800;
}

.ref-earn-label {
  font-size: 11px;
  color: var(--text3);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .ref-rates-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ref-earnings-row {
    grid-template-columns: repeat(2, 1fr);
  }
  .ud-referral-hero {
    padding: 28px 18px;
  }
  .ref-hero-title {
    font-size: 1.3rem;
  }
  .ref-link-box {
    flex-direction: column;
  }
  .ref-link-input {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .ref-rates-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .ref-rate-card {
    padding: 12px 8px;
  }
  .ref-rate-pct {
    font-size: 22px;
  }
  .ref-earn-num {
    font-size: 18px;
  }
}