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

:root {
  --bg-deep:      #05050d;
  --bg-card:      rgba(12, 12, 28, 0.85);
  --bg-glass:     rgba(255, 255, 255, 0.04);
  --border:       rgba(255, 255, 255, 0.08);
  --border-glow:  rgba(0, 220, 255, 0.35);
  --cyan:         #00dcff;
  --cyan-dim:     #007b8f;
  --violet:       #9b5de5;
  --violet-dim:   #4b1e8a;
  --green:        #00e5a0;
  --red:          #ff4d6d;
  --amber:        #ffb703;
  --text-primary: #eef0ff;
  --text-muted:   rgba(200, 210, 255, 0.5);
  --font-display: 'Syne', 'DM Sans', system-ui, sans-serif;
  --font-body:    'DM Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Mono', monospace;
  --radius-lg:    18px;
  --radius-md:    12px;
  --radius-sm:    8px;
  --shadow-glow:  0 0 40px rgba(0, 220, 255, 0.12);
  --transition:   0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.bg-mesh::before {
  content: '';
  position: absolute;
  top: -20%;
  left: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 220, 255, 0.06) 0%, transparent 70%);
  animation: drift1 18s ease-in-out infinite alternate;
}

.bg-mesh::after {
  content: '';
  position: absolute;
  bottom: -20%;
  right: -10%;
  width: 55vw;
  height: 55vw;
  background: radial-gradient(circle, rgba(155, 93, 229, 0.07) 0%, transparent 70%);
  animation: drift2 22s ease-in-out infinite alternate;
}

.grid-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(0, 220, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 220, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

@keyframes drift1 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(4%, 6%) scale(1.1); }
}
@keyframes drift2 {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-5%, -4%) scale(1.08); }
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.header {
  text-align: center;
  padding: 20px 0 8px;
}

.logo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 6px 16px 6px 10px;
  margin-bottom: 28px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
  text-transform: uppercase;
}

.logo-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: pulse-dot 2s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, #ffffff 0%, var(--cyan) 50%, var(--violet) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 14px;
}

.header-sub {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 460px;
  margin: 0 auto;
  line-height: 1.6;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow-glow), inset 0 1px 0 rgba(255,255,255,0.06);
  transition: border-color var(--transition);
}

.card:hover { border-color: rgba(255,255,255,0.14); }

.card-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-label::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border-glow), transparent);
}

.genre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 10px;
  margin-bottom: 6px;
}

.genre-btn {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 8px;
  cursor: pointer;
  text-align: center;
  transition: all var(--transition);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.genre-btn .icon {
  display: block;
  font-size: 20px;
  margin-bottom: 5px;
  line-height: 1;
}

.genre-btn:hover {
  border-color: var(--cyan-dim);
  color: var(--text-primary);
  background: rgba(0, 220, 255, 0.06);
  transform: translateY(-1px);
}

.genre-btn.active {
  border-color: var(--cyan);
  background: rgba(0, 220, 255, 0.1);
  color: var(--cyan);
  box-shadow: 0 0 20px rgba(0, 220, 255, 0.15), inset 0 0 20px rgba(0, 220, 255, 0.05);
}

.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 28px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0, 220, 255, 0.3); }
.btn-primary:hover::after { opacity: 1; }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-secondary:hover {
  border-color: var(--cyan-dim);
  color: var(--text-primary);
  background: var(--bg-glass);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
  overflow-y: auto;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 480px;
  width: 100%;
  box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(0, 220, 255, 0.08);
  transform: scale(0.95) translateY(12px);
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  margin: auto;
}

.modal-overlay.open .modal { transform: scale(1) translateY(0); }

.modal-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: linear-gradient(135deg, var(--text-primary), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.modal-sub {
  color: var(--text-muted);
  font-size: 13.5px;
  margin-bottom: 24px;
  line-height: 1.55;
}

.price-badge {
    display: flex;
    margin: 0 auto 24px;
    text-align: center;
    justify-content: center;
    align-items: center;
    width: fit-content;
    background: linear-gradient(135deg, rgba(0, 220, 255, 0.15), rgba(155, 93, 229, 0.15));
    border: 1px solid var(--border-glow);
    border-radius: var(--radius-sm);
    padding: 10px 24px;
    font-family: var(--font-display);
    font-size: 1.7rem;
    font-weight: 600;
    color: var(--cyan);
    letter-spacing: 0.01em;
    line-height: 1.3;
}

.payment-methods-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.03);
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  font-size: 22px;
}

.payment-methods-info span {
  cursor: default;
  transition: transform var(--transition);
}

.payment-methods-info span:hover { transform: scale(1.2); }

.modal-hint {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.5;
}

.modal-divider {
  height: 1px;
  background: var(--border);
  margin: 20px 0;
}

.btn-confirm {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--cyan) 0%, var(--violet) 100%);
  border: none;
  border-radius: var(--radius-md);
  color: #fff;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.03em;
}

.btn-confirm:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0, 220, 255, 0.3);
}

.btn-confirm:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.upload-zone.locked {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
}

.upload-zone.dragover {
  border-color: var(--cyan);
  background: rgba(0, 220, 255, 0.06);
  box-shadow: 0 0 40px rgba(0, 220, 255, 0.12);
}

.upload-zone:not(.locked):hover {
  border-color: var(--cyan-dim);
  background: rgba(0, 220, 255, 0.04);
}

.upload-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 16px;
  line-height: 1;
}

.upload-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.upload-sub {
  color: var(--text-muted);
  font-size: 13px;
}

.upload-sub span {
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 11px;
}

.upload-zone input[type="file"] {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.upload-zone.locked input[type="file"] { pointer-events: none; }

.file-selected {
  display: none;
  align-items: center;
  gap: 12px;
  background: rgba(0, 220, 255, 0.07);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-top: 16px;
  font-size: 13px;
}

.file-selected.show { display: flex; }

.file-selected .fname {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-selected .fsize {
  color: var(--text-muted);
  font-size: 11px;
  white-space: nowrap;
}

.progress-wrapper {
  display: none;
  flex-direction: column;
  gap: 10px;
}

.progress-wrapper.show { display: flex; }

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.progress-bar-outer {
  height: 4px;
  background: rgba(255,255,255,0.07);
  border-radius: 100px;
  overflow: hidden;
}

.progress-bar-inner {
  height: 100%;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: width 0.3s ease;
  width: 0%;
}

.progress-bar-inner.indeterminate {
  width: 40% !important;
  animation: indeterminate 1.5s ease-in-out infinite;
}

@keyframes indeterminate {
  0%   { transform: translateX(-150%); }
  100% { transform: translateX(350%); }
}

.processing-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12.5px;
  color: var(--text-muted);
  transition: color var(--transition);
}

.step .step-icon {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 9px;
  flex-shrink: 0;
  transition: all var(--transition);
}

.step.done { color: var(--text-primary); }
.step.done .step-icon {
  background: var(--green);
  border-color: var(--green);
  color: #000;
}

.step.active { color: var(--cyan); }
.step.active .step-icon {
  border-color: var(--cyan);
  animation: spin-ring 1s linear infinite;
}

@keyframes spin-ring {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.results-section {
  display: none;
  flex-direction: column;
  gap: 20px;
}

.results-section.show { display: flex; }

.metrics-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric-chip {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  text-align: center;
}

.metric-chip .val {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan);
  display: block;
  margin-bottom: 4px;
}

.metric-chip .key {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.wv-player {
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wv-toggle {
  display: flex;
  gap: 6px;
}

.wv-toggle-btn {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  letter-spacing: 0.03em;
}

.wv-toggle-btn.active {
  border-color: var(--green);
  color: var(--text-primary);
  background: rgba(0,229,160,0.08);
}

.wv-toggle-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.wv-toggle-dot.orig { background: var(--cyan); }
.wv-toggle-dot.mstr { background: var(--cyan); }

.wv-toggle-btn.active .wv-toggle-dot { background: var(--green); opacity: 1; }
.wv-toggle-btn:not(.active) .wv-toggle-dot { opacity: 0.55; }

.wv-waves {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.wv-wave-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wv-wave-label {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
  opacity: 0.65;
  width: 44px;
  flex-shrink: 0;
  text-align: right;
}

.wv-wave-label.mstr { color: var(--cyan); }
.wv-wave-label.active-label { color: var(--green); opacity: 1; }

.wv-canvas {
  flex: 1;
  height: 56px;
  display: block;
  cursor: pointer;
  border-radius: 4px;
}

.wv-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.wv-play-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition);
  box-shadow: 0 0 18px rgba(0,220,255,0.25);
}

.wv-play-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 0 28px rgba(0,220,255,0.4);
}

.wv-timeline {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.wv-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 28px;
}

.wv-progress-bar {
  flex: 1;
  padding: 8px 0;
  cursor: pointer;
}

.wv-progress-track {
  height: 3px;
  background: rgba(255,255,255,0.1);
  border-radius: 100px;
  position: relative;
}

.wv-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  border-radius: 100px;
  transition: width 0.08s linear;
}

.wv-progress-knob {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 8px rgba(0,220,255,0.6);
  transition: left 0.08s linear;
  pointer-events: none;
}

.download-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 16px 28px;
  background: linear-gradient(135deg, rgba(0, 229, 160, 0.2), rgba(0, 229, 160, 0.05));
  border: 1px solid var(--green);
  border-radius: var(--radius-md);
  color: var(--green);
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.download-btn:hover {
  background: rgba(0, 229, 160, 0.15);
  box-shadow: 0 0 32px rgba(0, 229, 160, 0.2);
  transform: translateY(-2px);
}

.inline-banner {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: 14px;
  border: 1px solid transparent;
  transform-origin: top center;
  overflow: hidden;
}

.banner-show {
  animation: bannerSlideIn 0.28s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.banner-hide {
  animation: bannerSlideOut 0.25s ease-in forwards;
}

@keyframes bannerSlideIn {
  from { opacity: 0; transform: scaleY(0.7) translateY(-8px); max-height: 0; }
  to   { opacity: 1; transform: scaleY(1)   translateY(0);    max-height: 120px; }
}

@keyframes bannerSlideOut {
  from { opacity: 1; max-height: 120px; }
  to   { opacity: 0; max-height: 0; padding: 0; margin: 0; }
}

.banner-success {
  background: rgba(0, 200, 130, 0.12);
  border-color: rgba(0, 200, 130, 0.35);
  color: #00c882;
}

.banner-error {
  background: rgba(255, 80, 80, 0.10);
  border-color: rgba(255, 80, 80, 0.30);
  color: #ff6060;
}

.banner-info {
  background: rgba(100, 160, 255, 0.10);
  border-color: rgba(100, 160, 255, 0.30);
  color: #80aaff;
}

.banner-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
}

.banner-success .banner-icon { background: rgba(0, 200, 130, 0.2); }
.banner-error   .banner-icon { background: rgba(255, 80, 80, 0.2); }
.banner-info    .banner-icon { background: rgba(100, 160, 255, 0.2); }

.banner-msg {
  flex: 1;
}

.banner-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: inherit;
  opacity: 0.55;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 0 2px;
  margin-left: auto;
  transition: opacity 0.15s;
}

.banner-close:hover { opacity: 1; }

.footer {
  text-align: center;
  color: var(--text-muted);
  font-size: 11px;
  padding-top: 8px;
  line-height: 1.8;
}

.footer span { color: rgba(0, 220, 255, 0.5); }

.payment-status {
  font-size: 13px;
  text-align: center;
  min-height: 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease, margin 0.3s ease;
  margin-bottom: 0;
}

.payment-status.pending,
.payment-status.error-status {
  max-height: 40px;
  opacity: 1;
  margin-bottom: 12px;
}

.payment-status.pending    { color: var(--amber); }
.payment-status.error-status { color: var(--red); }

.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20, 20, 40, 0.95);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 22px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  z-index: 999;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast.success { border-color: var(--green); color: var(--green); }
.toast.error   { border-color: var(--red);   color: var(--red); }

@media (max-width: 480px) {
  .shell { padding: 24px 14px 60px; gap: 20px; }
  .card { padding: 20px; }
  .genre-grid { grid-template-columns: repeat(3, 1fr); }
  .metrics-row { grid-template-columns: 1fr 1fr; }
  .modal { padding: 24px; }
  h1 { font-size: 2rem; }
}

@media (max-width: 320px) {
  .genre-grid { grid-template-columns: repeat(2, 1fr); }
}

.payment-method-grid {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 0 auto 20px;
  width: fit-content;
}

.payment-method-grid .pay-method-btn {
  flex: 0 0 90px;
}

.pay-method-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 8px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.pay-method-btn:hover {
  border-color: var(--cyan-dim);
  color: var(--text);
  background: rgba(0,220,255,0.05);
}

.pay-method-btn.active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0,220,255,0.08);
  box-shadow: 0 0 12px rgba(0,220,255,0.15);
}

.pay-icon {
  font-size: 20px;
  line-height: 1;
}

* {
  scrollbar-width: none;
}

*::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}

.demo-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.demo-loading {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 18px 0 8px;
  font-size: 12px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.demo-loading.visible {
  display: flex;
}

.demo-loading-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  animation: demo-bounce 1.1s ease-in-out infinite;
}

.demo-loading-dot:nth-child(2) { animation-delay: 0.18s; }
.demo-loading-dot:nth-child(3) { animation-delay: 0.36s; }

@keyframes demo-bounce {
  0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
  40%            { transform: scale(1);   opacity: 1; }
}

.demo-loading-text { margin-left: 4px; }

#demoSection .wv-player { margin-top: 0; }