/* ═══════════════════════════════════════════════════════════════════════════
   Apex Elite — Main Stylesheet
   Dark-mode glassmorphic design system
   ═══════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Syne:wght@700;800&display=swap');

/* ─── Design Tokens ───────────────────────────────────────────────────────── */
:root {
  --bg-primary:   #0a0b0d;
  --bg-secondary: #13151b;
  --bg-card:      rgba(26, 29, 38, 0.7);
  --border-color: rgba(255,255,255,.08);

  --accent-orange: #ff5722;
  --accent-crimson:#e64a19;
  --accent-cyan:   #00e5ff;
  --accent-green:  #10b981;
  --accent-purple: #635bff;

  --text-main:  #f3f4f6;
  --text-muted: #9ca3af;
  --text-dark:  #1f2937;

  --grad-primary: linear-gradient(135deg,#ff5722 0%,#e64a19 100%);
  --grad-dark:    linear-gradient(180deg,#13151b 0%,#0a0b0d 100%);
  --grad-card:    linear-gradient(135deg,rgba(26,29,38,.8) 0%,rgba(19,21,27,.8) 100%);
  --grad-premium: linear-gradient(135deg,#ff9800 0%,#ff5722 50%,#e64a19 100%);

  --shadow-sm:        0 2px 8px rgba(0,0,0,.5);
  --shadow-md:        0 8px 30px rgba(0,0,0,.6);
  --shadow-glow:      0 0 20px rgba(255,87,34,.3);
  --shadow-glow-green:0 0 20px rgba(16,185,129,.3);
  --shadow-glow-purple:0 0 20px rgba(99,91,255,.3);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --transition: all .3s cubic-bezier(.16,1,.3,1);
}

/* ─── Reset ───────────────────────────────────────────────────────────────── */
*     { margin:0; padding:0; box-sizing:border-box; }
html  { scroll-behavior:smooth; }
body  {
  font-family:'Inter',sans-serif;
  background-color:var(--bg-primary);
  background-image:
    radial-gradient(circle at 10% 20%,rgba(255,87,34,.05)  0%,transparent 40%),
    radial-gradient(circle at 90% 80%,rgba(0,229,255,.03)  0%,transparent 40%);
  color:var(--text-main);
  line-height:1.6;
  overflow-x:hidden;
  min-height:100vh;
}
h1,h2,h3,h4 { font-family:'Syne',sans-serif; font-weight:800; text-transform:uppercase; letter-spacing:-.5px; }
p  { font-size:1rem; color:var(--text-muted); }
a  { text-decoration:none; color:inherit; transition:var(--transition); }

/* Scrollbar */
::-webkit-scrollbar       { width:8px; }
::-webkit-scrollbar-track { background:var(--bg-primary); }
::-webkit-scrollbar-thumb { background:rgba(255,87,34,.3); border-radius:4px; }
::-webkit-scrollbar-thumb:hover { background:var(--accent-orange); }

/* ─── Navbar ─────────────────────────────────────────────────────────────── */
.navbar {
  position:fixed; top:0; left:0; right:0; height:80px;
  background:rgba(10,11,13,.75);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border-color);
  display:flex; justify-content:space-between; align-items:center;
  padding:0 8%; z-index:100;
}
.logo { display:flex; align-items:center; gap:10px; font-size:1.4rem; font-weight:800;
  background:var(--grad-primary); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.logo i { -webkit-text-fill-color:initial; color:var(--accent-orange); }
.nav-links { display:flex; gap:30px; list-style:none; }
.nav-links a { font-size:.9rem; font-weight:500; letter-spacing:.5px; text-transform:uppercase; color:var(--text-muted); }
.nav-links a:hover,.nav-links a.active { color:var(--accent-orange); text-shadow:var(--shadow-glow); }
.nav-cta {
  background:var(--grad-primary); color:var(--text-main);
  padding:10px 24px; border-radius:var(--radius-sm);
  font-weight:600; text-transform:uppercase; font-size:.85rem; letter-spacing:.5px;
  box-shadow:var(--shadow-sm);
}
.nav-cta:hover { transform:translateY(-2px); box-shadow:var(--shadow-glow); }

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  min-height:100vh; display:flex; align-items:center;
  padding:120px 8% 60px; position:relative; overflow:hidden;
}
.hero-content { flex:1.2; z-index:2; max-width:700px; }
.coach-tag {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(255,87,34,.1); border:1px solid rgba(255,87,34,.3);
  color:var(--accent-orange); padding:6px 16px; border-radius:50px;
  font-size:.8rem; font-weight:700; text-transform:uppercase; margin-bottom:24px; letter-spacing:1px;
}
.hero-title { font-size:clamp(3rem,6vw,4.8rem); line-height:1.05; margin-bottom:24px; }
.hero-title span {
  background:linear-gradient(90deg,#ffffff 0%,var(--accent-orange) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
}
.hero-desc  { font-size:1.15rem; margin-bottom:40px; color:var(--text-muted); }
.hero-actions { display:flex; gap:20px; flex-wrap:wrap; }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn-primary {
  background:var(--grad-primary); color:var(--text-main);
  padding:16px 36px; border-radius:var(--radius-sm);
  font-weight:700; text-transform:uppercase; letter-spacing:1px; font-size:.95rem;
  border:none; cursor:pointer; display:inline-flex; align-items:center; gap:10px;
  box-shadow:var(--shadow-sm); transition:var(--transition);
}
.btn-primary:hover { transform:translateY(-3px); box-shadow:var(--shadow-glow); background:linear-gradient(135deg,#ff7043,#ff5722); }
.btn-primary:disabled { background:#666; cursor:not-allowed; transform:none; box-shadow:none; }

.btn-secondary {
  background:rgba(255,255,255,.04); color:var(--text-main);
  padding:16px 36px; border-radius:var(--radius-sm);
  font-weight:700; text-transform:uppercase; letter-spacing:1px; font-size:.95rem;
  border:1px solid var(--border-color); cursor:pointer;
  display:inline-flex; align-items:center; gap:10px; transition:var(--transition);
}
.btn-secondary:hover  { background:rgba(255,255,255,.08); border-color:var(--text-muted); transform:translateY(-3px); }
.btn-secondary:disabled { opacity:.5; cursor:not-allowed; transform:none; }

/* ─── Hero Visual ──────────────────────────────────────────────────────────── */
.hero-visual { flex:.8; display:flex; justify-content:center; align-items:center; position:relative; }
.coach-illustration {
  width:420px; height:420px;
  background:var(--grad-dark);
  border:2px solid var(--border-color);
  border-radius:30% 70% 70% 30% / 30% 30% 70% 70%;
  animation:morphingBlob 12s ease-in-out infinite alternate;
  position:relative; display:flex; justify-content:center; align-items:center;
  box-shadow:var(--shadow-glow);
}
.coach-illustration::after {
  content:''; position:absolute; top:-10px; left:-10px; right:-10px; bottom:-10px;
  border:1px dashed rgba(255,87,34,.4);
  border-radius:30% 70% 70% 30% / 30% 30% 70% 70%;
  animation:morphingBlob 12s ease-in-out infinite alternate-reverse;
  pointer-events:none;
}
.illustration-content { display:flex; flex-direction:column; align-items:center; text-align:center; gap:15px; padding:40px; }
.illustration-content i { font-size:5rem; color:var(--accent-orange); text-shadow:var(--shadow-glow); animation:pulseIcon 2s infinite alternate; }
.illustration-content h3 { font-size:1.8rem; }
.stat-badge {
  position:absolute; background:rgba(19,21,27,.9); border:1px solid var(--border-color);
  border-radius:var(--radius-sm); padding:12px 20px;
  display:flex; align-items:center; gap:12px;
  box-shadow:var(--shadow-md); backdrop-filter:blur(10px);
}
.stat-badge-1 { top:15%; left:-10%; animation:floatBadges 5s ease-in-out infinite; }
.stat-badge-2 { bottom:10%; right:-5%; animation:floatBadges 5s ease-in-out infinite 2.5s; }
.stat-badge i  { color:var(--accent-orange); font-size:1.2rem; }
.stat-num { font-weight:800; color:#fff; font-size:1.1rem; display:block; }
.stat-lbl { font-size:.75rem; color:var(--text-muted); }

@keyframes morphingBlob {
  0%   { border-radius:30% 70% 70% 30% / 30% 30% 70% 70%; }
  50%  { border-radius:50% 50% 30% 70% / 50% 60% 40% 60%; }
  100% { border-radius:70% 30% 50% 50% / 60% 45% 55% 40%; }
}
@keyframes pulseIcon {
  0%   { transform:scale(1);    filter:drop-shadow(0 0 5px  rgba(255,87,34,.4)); }
  100% { transform:scale(1.08); filter:drop-shadow(0 0 20px rgba(255,87,34,.7)); }
}
@keyframes floatBadges {
  0%,100% { transform:translateY(0);  }
  50%     { transform:translateY(-8px); }
}
@keyframes fadeIn {
  from { opacity:0; transform:translateY(10px); }
  to   { opacity:1; transform:translateY(0);    }
}

/* ─── Sections ────────────────────────────────────────────────────────────── */
.section { padding:100px 8%; border-top:1px solid var(--border-color); }
.section-hdr { text-align:center; margin-bottom:60px; }
.section-hdr .subtitle { color:var(--accent-orange); font-weight:700; font-size:.85rem; letter-spacing:2px; text-transform:uppercase; margin-bottom:10px; display:block; }
.section-hdr .title    { font-size:2.5rem; color:#fff; }

.glass-panel {
  background:var(--grad-card); border:1px solid var(--border-color);
  border-radius:var(--radius-md); padding:40px;
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-md); transition:var(--transition);
}
.glass-panel:hover { border-color:rgba(255,87,34,.2); }

/* ─── Workout Generator ───────────────────────────────────────────────────── */
.generator-container { display:grid; grid-template-columns:1fr 1.2fr; gap:40px; }
.generator-form      { display:flex; flex-direction:column; gap:24px; }
.form-group          { display:flex; flex-direction:column; gap:8px; }
.form-group label    { font-size:.85rem; text-transform:uppercase; font-weight:600; letter-spacing:.5px; color:var(--text-muted); }

.option-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.option-card {
  background:rgba(255,255,255,.03); border:1px solid var(--border-color);
  padding:16px 12px; border-radius:var(--radius-sm);
  text-align:center; cursor:pointer; transition:var(--transition);
}
.option-card i    { font-size:1.4rem; color:var(--text-muted); margin-bottom:8px; display:block; }
.option-card span { font-size:.8rem; font-weight:600; display:block; }
.option-card:hover   { background:rgba(255,255,255,.06); border-color:var(--text-muted); }
.option-card.selected{ background:rgba(255,87,34,.1); border-color:var(--accent-orange); color:#fff; }
.option-card.selected i { color:var(--accent-orange); text-shadow:var(--shadow-glow); }

/* Workout Results */
.workout-result-box  { display:flex; flex-direction:column; justify-content:center; min-height:400px; }
.results-placeholder { text-align:center; padding:40px; }
.results-placeholder i { font-size:4rem; color:var(--border-color); margin-bottom:20px; animation:pulseIcon 3s infinite alternate; }
.results-placeholder h3 { margin-bottom:10px; color:var(--text-muted); }

.workout-plan { animation:fadeIn .4s ease-in-out forwards; }
.workout-header {
  border-bottom:1px solid var(--border-color); padding-bottom:20px; margin-bottom:20px;
  display:flex; justify-content:space-between; align-items:flex-start;
}
.workout-header h3 { font-size:1.5rem; color:#fff; }
.badge-info {
  background:rgba(0,229,255,.1); border:1px solid rgba(0,229,255,.3);
  color:var(--accent-cyan); padding:4px 12px; border-radius:50px;
  font-size:.75rem; font-weight:700; text-transform:uppercase;
}
.exercise-list   { display:flex; flex-direction:column; gap:15px; }
.exercise-item {
  background:rgba(255,255,255,.02); border:1px solid var(--border-color);
  padding:16px 20px; border-radius:var(--radius-sm);
  display:flex; justify-content:space-between; align-items:center; transition:var(--transition);
}
.exercise-item:hover { background:rgba(255,255,255,.04); border-color:rgba(255,87,34,.15); transform:translateX(4px); }
.exercise-info h4 { font-family:'Inter',sans-serif; font-weight:600; text-transform:none; font-size:1rem; margin-bottom:4px; color:#fff; }
.exercise-info p  { font-size:.8rem; }
.exercise-stats   { text-align:right; }
.exercise-sets    { font-size:1.1rem; font-weight:700; color:var(--accent-orange); display:block; }
.exercise-rest    { font-size:.75rem; color:var(--text-muted); }

/* ─── Nutrition ───────────────────────────────────────────────────────────── */
.nutrition-container { display:grid; grid-template-columns:1fr 1.2fr; gap:40px; }
.nutri-input-grid    { display:grid; grid-template-columns:repeat(2,1fr); gap:20px; }
.nutri-input-grid .form-group.full-width { grid-column:span 2; }

.input-styled {
  background:rgba(255,255,255,.03); border:1px solid var(--border-color);
  padding:14px 18px; border-radius:var(--radius-sm);
  color:#fff; font-family:inherit; font-size:.95rem; width:100%; transition:var(--transition);
}
.input-styled:focus { outline:none; border-color:var(--accent-orange); box-shadow:0 0 0 3px rgba(255,87,34,.15); background:rgba(255,255,255,.05); }
select.input-styled {
  appearance:none; -webkit-appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ff5722' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 18px center; background-size:16px; padding-right:45px;
}

.nutri-results    { display:flex; flex-direction:column; justify-content:center; min-height:400px; }
.nutri-chart-box  { display:grid; grid-template-columns:1fr 1fr; gap:30px; align-items:center; }
.nutri-calories   { text-align:center; padding:30px 20px; background:rgba(255,255,255,.02); border:1px solid var(--border-color); border-radius:var(--radius-md); }
.nutri-calories .cal-num { font-size:3.5rem; font-weight:800; font-family:'Syne',sans-serif; color:var(--accent-orange); line-height:1.1; display:block; }
.nutri-calories .cal-lbl { font-size:.85rem; text-transform:uppercase; letter-spacing:1px; color:var(--text-muted); }

.nutri-macros      { display:flex; flex-direction:column; gap:16px; }
.macro-bar-group   { display:flex; flex-direction:column; gap:6px; }
.macro-label       { display:flex; justify-content:space-between; font-size:.85rem; font-weight:600; }
.macro-label .name { color:#fff; }
.macro-label .val  { color:var(--text-muted); }
.macro-bar-bg      { height:10px; background:rgba(255,255,255,.05); border-radius:10px; overflow:hidden; }
.macro-bar-fill    { height:100%; border-radius:10px; width:0; transition:width 1s ease-in-out; }
.macro-bar-fill.protein { background:var(--grad-primary); }
.macro-bar-fill.carb    { background:var(--accent-cyan); }
.macro-bar-fill.fat     { background:#e91e63; }

/* ─── Machine Guide ───────────────────────────────────────────────────────── */
.guide-controls { display:flex; justify-content:space-between; align-items:center; margin-bottom:30px; gap:20px; flex-wrap:wrap; }
.search-box { position:relative; max-width:400px; width:100%; }
.search-box i { position:absolute; left:18px; top:50%; transform:translateY(-50%); color:var(--accent-orange); }
.search-box input { padding-left:50px; }
.filter-tags { display:flex; gap:10px; flex-wrap:wrap; }
.filter-tag {
  background:rgba(255,255,255,.03); border:1px solid var(--border-color);
  color:var(--text-muted); padding:8px 16px; border-radius:50px;
  font-size:.8rem; font-weight:600; cursor:pointer; transition:var(--transition);
}
.filter-tag:hover,.filter-tag.active { background:rgba(255,87,34,.1); border-color:var(--accent-orange); color:#fff; }

.machine-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:25px; }
.machine-card {
  background:var(--grad-card); border:1px solid var(--border-color);
  border-radius:var(--radius-md); overflow:hidden; transition:var(--transition);
}
.machine-card:hover { transform:translateY(-5px); border-color:rgba(255,87,34,.2); box-shadow:var(--shadow-glow); }
.machine-media {
  height:180px; background:rgba(255,255,255,.02);
  display:flex; align-items:center; justify-content:center;
  border-bottom:1px solid var(--border-color); position:relative;
}
.machine-icon-svg { width:70px; height:70px; stroke:var(--accent-orange); stroke-width:1.5; fill:none; stroke-linecap:round; stroke-linejoin:round; filter:drop-shadow(0 0 8px rgba(255,87,34,.4)); }
.machine-category { position:absolute; top:15px; right:15px; background:rgba(10,11,13,.8); border:1px solid var(--border-color); color:var(--text-muted); font-size:.7rem; font-weight:700; text-transform:uppercase; padding:4px 10px; border-radius:4px; }
.machine-info     { padding:24px; }
.machine-info h3  { font-size:1.1rem; margin-bottom:8px; color:#fff; font-family:'Inter',sans-serif; font-weight:700; }
.machine-info p   { font-size:.85rem; margin-bottom:18px; }
.machine-tips     { border-top:1px solid var(--border-color); padding-top:14px; }
.machine-tips h4  { font-size:.75rem; color:var(--accent-cyan); margin-bottom:8px; }
.machine-tips ul  { list-style:none; font-size:.75rem; color:var(--text-muted); display:flex; flex-direction:column; gap:6px; }
.machine-tips ul li { display:flex; align-items:flex-start; gap:6px; }
.machine-tips ul li i { color:var(--accent-orange); margin-top:3px; }

/* ─── Pricing Grid (4 plans) ──────────────────────────────────────────────── */
.pricing-grid {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  align-items:end;
}
.pricing-loading { grid-column:1/-1; text-align:center; padding:80px; }

.pricing-card {
  display:flex; flex-direction:column; position:relative; overflow:hidden;
  padding:32px 28px; transition:var(--transition);
}
.pricing-card:hover { transform:translateY(-6px); }
.pricing-card.recommended {
  border-color:var(--accent-orange);
  box-shadow:var(--shadow-glow);
  transform:translateY(-14px);
}
.pricing-card.recommended:hover { transform:translateY(-18px); }

/* "Most Popular" ribbon */
.plan-recommended-badge {
  position:absolute; top:18px; right:-28px;
  background:var(--grad-primary); color:#fff;
  font-size:.6rem; font-weight:800; padding:5px 36px;
  transform:rotate(45deg); letter-spacing:1.5px;
}

/* Mode badge (one-time / subscription) */
.mode-badge {
  display:inline-flex; align-items:center; gap:6px;
  font-size:.7rem; font-weight:700; text-transform:uppercase; letter-spacing:.5px;
  padding:4px 10px; border-radius:4px; margin-bottom:12px;
}
.mode-badge.subscription { background:rgba(99,91,255,.15); border:1px solid rgba(99,91,255,.3); color:var(--accent-purple); }
.mode-badge.one-time      { background:rgba(255,87,34,.1); border:1px solid rgba(255,87,34,.3); color:var(--accent-orange); }

.price-hdr { border-bottom:1px solid var(--border-color); padding-bottom:22px; margin-bottom:22px; }
.price-hdr h3  { font-size:1.1rem; color:#fff; margin-bottom:8px; }
.plan-desc     { font-size:.8rem; color:var(--text-muted); margin-bottom:14px; min-height:40px; }
.price-num     { font-size:2.6rem; font-weight:800; font-family:'Syne',sans-serif; color:#fff; line-height:1; }
.price-num span{ font-size:.9rem; color:var(--text-muted); font-family:'Inter',sans-serif; font-weight:400; }

.price-features { list-style:none; display:flex; flex-direction:column; gap:12px; margin-bottom:28px; flex-grow:1; }
.price-features li { font-size:.85rem; display:flex; align-items:center; gap:10px; color:var(--text-muted); }
.price-features li i { color:var(--accent-orange); flex-shrink:0; }

.stripe-secure-note {
  display:flex; align-items:center; justify-content:center; gap:6px;
  font-size:.72rem; color:var(--text-muted); margin-top:12px;
}

/* Active subscription state */
.pricing-card.owned { border-color:var(--accent-green); box-shadow:var(--shadow-glow-green); }
.pricing-card.owned .buy-plan-btn { background:rgba(16,185,129,.15)!important; border-color:var(--accent-green)!important; color:var(--accent-green)!important; cursor:default; }

/* ─── Toast Notifications ─────────────────────────────────────────────────── */
#toast-container {
  position:fixed; bottom:30px; right:30px;
  display:flex; flex-direction:column; gap:12px; z-index:9999;
}
.toast {
  background:rgba(19,21,27,.97); border:1px solid var(--border-color);
  padding:16px 22px; border-radius:var(--radius-sm);
  display:flex; align-items:center; gap:12px;
  font-size:.9rem; color:#fff;
  transform:translateX(120%); opacity:0;
  transition:all .4s cubic-bezier(.16,1,.3,1);
  box-shadow:var(--shadow-md); max-width:380px;
}
.toast.show { transform:translateX(0); opacity:1; }
.toast-error   { border-color:rgba(239,68,68,.4); }
.toast-error i { color:#ef4444; }
.toast-info i  { color:var(--accent-green); }
.toast i       { font-size:1.2rem; flex-shrink:0; }

/* ─── Footer ──────────────────────────────────────────────────────────────── */
.footer { background:#07080a; border-top:1px solid var(--border-color); padding:60px 8% 30px; text-align:center; }
.footer-content { max-width:600px; margin:0 auto 30px; }
.footer-logo {
  font-size:1.5rem; font-weight:800;
  background:var(--grad-primary); -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  display:inline-flex; align-items:center; gap:10px; margin-bottom:20px;
}
.footer-logo i { -webkit-text-fill-color:initial; color:var(--accent-orange); }
.footer-socials { display:flex; justify-content:center; gap:15px; margin:20px 0; }
.social-icon {
  width:40px; height:40px; border-radius:50%;
  background:rgba(255,255,255,.02); border:1px solid var(--border-color);
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; transition:var(--transition);
}
.social-icon:hover { background:var(--grad-primary); border-color:var(--accent-orange); transform:translateY(-3px); color:#fff; }
.footer-bottom { font-size:.8rem; color:var(--text-muted); border-top:1px solid var(--border-color); padding-top:20px; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width:1200px) {
  .pricing-grid { grid-template-columns:repeat(2,1fr); }
  .pricing-card.recommended { transform:none; }
  .pricing-card.recommended:hover { transform:translateY(-6px); }
}
@media (max-width:992px) {
  .hero { flex-direction:column; text-align:center; padding-top:140px; gap:60px; }
  .hero-content { max-width:100%; }
  .hero-actions { justify-content:center; }
  .generator-container,.nutrition-container { grid-template-columns:1fr; }
}
@media (max-width:768px) {
  .navbar { padding:0 4%; }
  .nav-links,.nav-cta { display:none; }
  .section { padding:60px 4%; }
  .nutri-chart-box { grid-template-columns:1fr; }
  .pricing-grid { grid-template-columns:1fr; }
}

/* ─── Modal Overlay & Content ────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(4, 5, 8, 0.85);
  backdrop-filter: blur(12px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.modal-overlay.show {
  opacity: 1;
  pointer-events: auto;
}
.modal-content {
  position: relative;
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  animation: modalSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes modalSlideUp {
  from { transform: translateY(30px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
  transition: var(--transition);
}
.modal-close-btn:hover {
  color: #fff;
}
.form-group input::placeholder {
  color: rgba(255, 255, 255, 0.2);
}
#payment-element {
  margin-top: 15px;
  padding: 10px 0;
}