/* ═══════════════════════════════════════════════════════════════════
   STUDYRIA — PHASE 5D: Premium Experience & Membership Management
   File     : premium-p5d.css
   Namespace: .p5d-*  (all selectors prefixed — zero global side effects)
   Safety   : Zero changes to existing CSS, layout, or shared classes
   ═══════════════════════════════════════════════════════════════════ */

/* ── MEMBERSHIP TAB BUTTON ─────────────────────────────────────── */
#p5dMembershipTabBtn {
  position: relative;
}
#p5dMembershipTabBtn .p5d-tab-pip {
  position: absolute;
  top: 4px; right: 4px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-gold, #f59e0b);
  box-shadow: 0 0 6px rgba(245,158,11,.6);
  display: none;
}
#p5dMembershipTabBtn.p5d-has-pip .p5d-tab-pip { display: block; }

/* ── MEMBERSHIP CARD ────────────────────────────────────────────── */
.p5d-mem-card {
  background: linear-gradient(135deg,
    rgba(61,142,248,.12) 0%,
    rgba(139,92,246,.10) 50%,
    rgba(245,158,11,.08) 100%);
  border: 1.5px solid rgba(245,158,11,.25);
  border-radius: 18px;
  padding: 22px 22px 18px;
  margin-bottom: 18px;
  position: relative;
  overflow: hidden;
  animation: p5dFadeUp .35s ease both;
}
.p5d-mem-card::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 120px; height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,.15) 0%, transparent 70%);
  pointer-events: none;
}
.p5d-mem-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.p5d-mem-crown {
  font-size: 2rem;
  line-height: 1;
  filter: drop-shadow(0 0 8px rgba(245,158,11,.5));
}
.p5d-mem-title-block { flex: 1; min-width: 0; }
.p5d-mem-plan-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: #f59e0b;
  letter-spacing: -.01em;
}
.p5d-mem-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .68rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 3px;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.p5d-status-active  { background: rgba(16,217,142,.15); color: #10d98e; border: 1px solid rgba(16,217,142,.3); }
.p5d-status-expired { background: rgba(255,77,109,.12); color: #ff4d6d; border: 1px solid rgba(255,77,109,.3); }
.p5d-status-none    { background: rgba(113,128,150,.12); color: #718096; border: 1px solid rgba(113,128,150,.25); }
.p5d-status-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: currentColor;
  animation: p5dPulse 1.8s ease infinite;
}
.p5d-status-expired .p5d-status-dot,
.p5d-status-none .p5d-status-dot { animation: none; }

/* ── MEMBERSHIP DETAILS GRID ───────────────────────────────────── */
.p5d-mem-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 18px;
}
.p5d-mem-detail-item {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  padding: 10px 12px;
}
.p5d-mem-detail-label {
  font-size: .63rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: #718096;
  margin-bottom: 4px;
  font-weight: 600;
}
.p5d-mem-detail-val {
  font-size: .92rem;
  font-weight: 700;
  color: var(--fg, #f0f4f8);
}
.p5d-mem-detail-val.p5d-days-ok   { color: #10d98e; }
.p5d-mem-detail-val.p5d-days-warn { color: #f59e0b; }
.p5d-mem-detail-val.p5d-days-crit { color: #ff4d6d; }

/* ── DAYS REMAINING BAR ────────────────────────────────────────── */
.p5d-days-bar-wrap {
  margin-bottom: 18px;
}
.p5d-days-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: .72rem;
  color: #718096;
  margin-bottom: 6px;
}
.p5d-days-bar-track {
  height: 6px;
  background: rgba(255,255,255,.08);
  border-radius: 3px;
  overflow: hidden;
}
.p5d-days-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width .6s cubic-bezier(.4,0,.2,1);
  background: linear-gradient(90deg, #10d98e, #3d8ef8);
}
.p5d-days-bar-fill.p5d-bar-warn { background: linear-gradient(90deg, #f59e0b, #f97316); }
.p5d-days-bar-fill.p5d-bar-crit { background: linear-gradient(90deg, #ff4d6d, #f43f5e); }

/* ── ACTION BUTTONS ─────────────────────────────────────────────── */
.p5d-action-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.p5d-btn {
  flex: 1;
  min-width: 120px;
  padding: 11px 16px;
  border-radius: 10px;
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: opacity .18s, transform .15s;
  text-align: center;
  letter-spacing: .01em;
}
.p5d-btn:hover  { opacity: .88; transform: translateY(-1px); }
.p5d-btn:active { transform: translateY(0); }
.p5d-btn-primary {
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #0a0a0a;
}
.p5d-btn-secondary {
  background: rgba(61,142,248,.15);
  color: #3d8ef8;
  border: 1.5px solid rgba(61,142,248,.3);
}
.p5d-btn-danger {
  background: rgba(255,77,109,.12);
  color: #ff4d6d;
  border: 1.5px solid rgba(255,77,109,.25);
}
.p5d-btn:disabled {
  opacity: .45;
  cursor: not-allowed;
  transform: none !important;
}

/* ── FREE USER CARD ─────────────────────────────────────────────── */
.p5d-free-card {
  background: linear-gradient(135deg,
    rgba(61,142,248,.08) 0%,
    rgba(139,92,246,.06) 100%);
  border: 1.5px dashed rgba(61,142,248,.25);
  border-radius: 18px;
  padding: 28px 22px;
  text-align: center;
  animation: p5dFadeUp .35s ease both;
  margin-bottom: 18px;
}
.p5d-free-icon { font-size: 2.8rem; margin-bottom: 12px; }
.p5d-free-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--fg, #f0f4f8);
}
.p5d-free-sub {
  font-size: .82rem;
  color: #718096;
  max-width: 320px;
  margin: 0 auto 20px;
  line-height: 1.5;
}
.p5d-free-perks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}
.p5d-perk-chip {
  background: rgba(245,158,11,.1);
  border: 1px solid rgba(245,158,11,.2);
  color: #f59e0b;
  font-size: .7rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

/* ── EXPIRED BANNER ─────────────────────────────────────────────── */
.p5d-expired-banner {
  background: linear-gradient(135deg,
    rgba(255,77,109,.12) 0%,
    rgba(244,63,94,.08) 100%);
  border: 1.5px solid rgba(255,77,109,.3);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
  animation: p5dFadeUp .35s ease both;
}
.p5d-expired-icon { font-size: 1.6rem; flex-shrink: 0; }
.p5d-expired-text { flex: 1; min-width: 0; }
.p5d-expired-title {
  font-size: .9rem;
  font-weight: 700;
  color: #ff4d6d;
  margin-bottom: 3px;
}
.p5d-expired-sub {
  font-size: .75rem;
  color: #718096;
}

/* ── RENEWAL PROMPT ─────────────────────────────────────────────── */
.p5d-renew-prompt {
  background: linear-gradient(135deg,
    rgba(245,158,11,.1) 0%,
    rgba(249,115,22,.07) 100%);
  border: 1px solid rgba(245,158,11,.25);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  animation: p5dFadeUp .4s ease both;
}
.p5d-renew-icon { font-size: 1.3rem; }
.p5d-renew-text { flex: 1; font-size: .8rem; color: #f59e0b; font-weight: 600; }

/* ── TRANSACTION HISTORY ────────────────────────────────────────── */
.p5d-txn-section {
  margin-top: 24px;
  animation: p5dFadeUp .4s ease .1s both;
}
.p5d-txn-title {
  font-size: .9rem;
  font-weight: 700;
  color: var(--fg, #f0f4f8);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.p5d-txn-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.p5d-txn-row {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 10px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background .15s;
}
.p5d-txn-row:hover { background: rgba(255,255,255,.06); }
.p5d-txn-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(245,158,11,.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.p5d-txn-info { flex: 1; min-width: 0; }
.p5d-txn-plan {
  font-size: .84rem;
  font-weight: 700;
  color: var(--fg, #f0f4f8);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.p5d-txn-date {
  font-size: .7rem;
  color: #718096;
  margin-top: 1px;
}
.p5d-txn-right { text-align: right; flex-shrink: 0; }
.p5d-txn-amount {
  font-size: .88rem;
  font-weight: 700;
  color: #10d98e;
}
.p5d-txn-status {
  font-size: .62rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 10px;
  background: rgba(16,217,142,.1);
  color: #10d98e;
  margin-top: 2px;
  display: inline-block;
}
.p5d-txn-status.p5d-status-failed {
  background: rgba(255,77,109,.1);
  color: #ff4d6d;
}
.p5d-txn-empty {
  text-align: center;
  padding: 28px 0;
  color: #718096;
  font-size: .82rem;
}
.p5d-txn-load-more {
  text-align: center;
  margin-top: 10px;
}
.p5d-txn-load-more button {
  background: none;
  border: 1px solid rgba(61,142,248,.25);
  color: #3d8ef8;
  padding: 8px 20px;
  border-radius: 8px;
  font-size: .78rem;
  cursor: pointer;
  transition: background .15s;
}
.p5d-txn-load-more button:hover { background: rgba(61,142,248,.08); }

/* ── PREMIUM BADGE (global, shown in nav/profile) ──────────────── */
.p5d-premium-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #0a0a0a;
  font-size: .6rem;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: 12px;
  letter-spacing: .05em;
  text-transform: uppercase;
  vertical-align: middle;
  margin-left: 5px;
}

/* ── LOCKED CONTENT OVERLAY ─────────────────────────────────────── */
.p5d-locked-overlay {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: rgba(10,10,20,.72);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 5;
  cursor: pointer;
  transition: background .2s;
}
.p5d-locked-overlay:hover { background: rgba(10,10,20,.62); }
.p5d-locked-icon { font-size: 1.8rem; }
.p5d-locked-label {
  font-size: .78rem;
  font-weight: 700;
  color: #f0f4f8;
}
.p5d-locked-sub { font-size: .68rem; color: #718096; }

/* ── SUCCESS SCREEN ─────────────────────────────────────────────── */
.p5d-success-screen {
  text-align: center;
  padding: 40px 20px 32px;
  animation: p5dFadeUp .4s ease both;
}
.p5d-success-burst {
  font-size: 3.5rem;
  margin-bottom: 14px;
  animation: p5dBurst .5s cubic-bezier(.36,.07,.19,.97) both;
}
.p5d-success-title {
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}
.p5d-success-sub {
  font-size: .84rem;
  color: #718096;
  max-width: 320px;
  margin: 0 auto 20px;
}
.p5d-success-card {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(245,158,11,.2);
  border-radius: 14px;
  padding: 18px;
  max-width: 340px;
  margin: 0 auto 24px;
  text-align: left;
}
.p5d-success-row {
  display: flex;
  justify-content: space-between;
  font-size: .8rem;
  padding: 5px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.p5d-success-row:last-child { border-bottom: none; }
.p5d-success-row-label { color: #718096; }
.p5d-success-row-val   { font-weight: 700; color: var(--fg, #f0f4f8); }

/* ── LOADING SKELETON ───────────────────────────────────────────── */
.p5d-skeleton {
  background: linear-gradient(90deg,
    rgba(255,255,255,.05) 25%,
    rgba(255,255,255,.10) 50%,
    rgba(255,255,255,.05) 75%);
  background-size: 200% 100%;
  animation: p5dShimmer 1.4s infinite;
  border-radius: 8px;
}
.p5d-loading-wrap {
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.p5d-loading-card {
  height: 120px;
  border-radius: 18px;
}
.p5d-loading-line { height: 14px; width: 60%; }

/* ── ACCESS DENIED (lib) ────────────────────────────────────────── */
.p5d-lib-lock {
  position: relative;
  overflow: hidden;
}
.p5d-lib-lock::after {
  content: '👑 Premium';
  position: absolute;
  top: 6px; right: 6px;
  background: linear-gradient(135deg, #f59e0b, #f97316);
  color: #0a0a0a;
  font-size: .58rem;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 10px;
  pointer-events: none;
  z-index: 3;
}

/* ── ANIMATIONS ─────────────────────────────────────────────────── */
@keyframes p5dFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes p5dPulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: .4; }
}
@keyframes p5dBurst {
  0%  { transform: scale(.6); opacity: 0; }
  60% { transform: scale(1.15); }
  100%{ transform: scale(1);   opacity: 1; }
}
@keyframes p5dShimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── RESPONSIVE ─────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .p5d-mem-details { grid-template-columns: 1fr 1fr; }
  .p5d-action-row  { flex-direction: column; }
  .p5d-btn         { min-width: unset; }
  .p5d-expired-banner { flex-direction: column; text-align: center; }
}