/* =========================================
   GrandPay Vault — style.css
   Arc/Circle Design System
   ========================================= */

:root {
  --arc-navy: #0B1020;
  --arc-navy-mid: #0e1530;
  --arc-navy-light: #131d3a;
  --circle-blue: #0A66FF;
  --circle-blue-light: #3385ff;
  --circle-blue-glow: rgba(10, 102, 255, 0.25);
  --white: #ffffff;
  --white-70: rgba(255,255,255,0.7);
  --white-40: rgba(255,255,255,0.4);
  --white-15: rgba(255,255,255,0.15);
  --white-08: rgba(255,255,255,0.08);
  --white-05: rgba(255,255,255,0.05);
  --success: #00c853;
  --warning: #ffab00;
  --danger: #ff4444;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--arc-navy);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--arc-navy); }
::-webkit-scrollbar-thumb { background: var(--circle-blue); border-radius: 3px; }

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(11,16,32,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--white-08);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(10,102,255,0.15); }

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 28px; }
.logo-text { display: flex; flex-direction: column; }
.logo-main {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  color: var(--white);
  line-height: 1.2;
}
.logo-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--circle-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-right { display: flex; align-items: center; gap: 12px; }

.chain-badge {
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 500;
  color: var(--circle-blue);
  white-space: nowrap;
}

.chain-selector {
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 8px 12px;
  cursor: pointer;
  outline: none;
  transition: var(--transition);
}
.chain-selector:hover, .chain-selector:focus {
  border-color: var(--circle-blue);
  background: var(--white-15);
}
.chain-selector option { background: var(--arc-navy-mid); color: var(--white); }

.btn-connect {
  background: var(--circle-blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-connect:hover {
  background: var(--circle-blue-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--circle-blue-glow);
}
.btn-connect.connected {
  background: var(--white-08);
  border: 1px solid var(--circle-blue);
  color: var(--circle-blue);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--white);
  font-size: 22px;
  cursor: pointer;
}

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--white-08);
}
.mobile-menu.open { display: flex; }

/* ===================== HERO ===================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 24px 80px;
}

.hero-bg { position: absolute; inset: 0; pointer-events: none; }

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 8s ease-in-out infinite;
}
.orb1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(10,102,255,0.6) 0%, transparent 70%);
  top: -200px; left: -200px;
  animation-delay: 0s;
}
.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(10,102,255,0.4) 0%, transparent 70%);
  bottom: -100px; right: -100px;
  animation-delay: -4s;
}
.orb3 {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(0,120,255,0.3) 0%, transparent 70%);
  top: 50%; left: 60%;
  animation-delay: -2s;
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -20px) scale(1.05); }
  66% { transform: translate(-15px, 15px) scale(0.97); }
}

.grid-overlay {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(10,102,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10,102,255,0.05) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 780px;
}

.hero-tag {
  display: inline-block;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 13px;
  color: var(--white-70);
  margin-bottom: 28px;
  letter-spacing: 0.03em;
}

.hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 7vw, 80px);
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(135deg, #0A66FF, #5ba3ff, #0A66FF);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

@keyframes shimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}

.hero-sub {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--white-70);
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-ctas {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { display: flex; flex-direction: column; align-items: center; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  color: var(--white);
}
.stat-label { font-size: 12px; color: var(--white-40); letter-spacing: 0.05em; }
.stat-divider { width: 1px; height: 40px; background: var(--white-15); }

/* ===================== BUTTONS ===================== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--circle-blue);
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255,255,255,0.1));
}
.btn-primary:hover {
  background: var(--circle-blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--circle-blue-glow);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--white);
  border: 1.5px solid var(--white-40);
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: var(--circle-blue);
  color: var(--circle-blue);
  background: var(--circle-blue-glow);
  transform: translateY(-2px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white-05);
  color: var(--white-70);
  border: 1px dashed var(--white-15);
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-family: var(--font-body);
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  justify-content: center;
  margin-top: 8px;
}
.btn-ghost:hover { background: var(--white-08); border-color: var(--white-40); color: var(--white); }

.full-width { width: 100%; justify-content: center; }

/* ===================== SECTIONS ===================== */
.section { padding: 100px 24px; }
.section-alt { background: var(--arc-navy-mid); }
.section-inner { max-width: 1200px; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  background: var(--circle-blue-glow);
  border: 1px solid var(--circle-blue);
  border-radius: 20px;
  padding: 5px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--circle-blue);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 4vw, 44px);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 17px;
  color: var(--white-70);
  max-width: 560px;
  margin: 0 auto;
}

/* ===================== GLASS CARDS ===================== */
.glass-card {
  background: var(--white-05);
  border: 1px solid var(--white-08);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(12px);
  transition: var(--transition);
}
.glass-card:hover { border-color: var(--white-15); }

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--white-08);
}
.card-icon { font-size: 24px; }
.card-header h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
}

/* ===================== TWO-COL ===================== */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

/* ===================== FORMS ===================== */
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--white-70);
  margin-bottom: 8px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.optional { color: var(--white-40); text-transform: none; font-size: 11px; }

.input-field {
  width: 100%;
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-sm);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 14px;
  padding: 12px 16px;
  outline: none;
  transition: var(--transition);
}
.input-field::placeholder { color: var(--white-40); }
.input-field:focus {
  border-color: var(--circle-blue);
  background: rgba(10,102,255,0.08);
  box-shadow: 0 0 0 3px var(--circle-blue-glow);
}
.input-field.error { border-color: var(--danger); }

.textarea { resize: vertical; min-height: 80px; }

.input-with-badge { position: relative; }
.input-with-badge .input-field { padding-right: 64px; }
.input-badge {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  font-weight: 600;
  color: var(--circle-blue);
  background: var(--circle-blue-glow);
  border-radius: 4px;
  padding: 2px 8px;
}

/* Date input styling */
input[type="date"] { color-scheme: dark; }

.form-note {
  font-size: 11px;
  color: var(--white-40);
  margin-top: 12px;
  text-align: center;
}

/* ===================== VAULT LIST ===================== */
.vault-list { display: flex; flex-direction: column; gap: 12px; min-height: 120px; }

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 32px;
  color: var(--white-40);
  text-align: center;
}
.empty-icon { font-size: 36px; opacity: 0.5; }

.vault-item {
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.vault-item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.vault-id { font-family: var(--font-display); font-weight: 700; font-size: 14px; color: var(--circle-blue); }
.vault-status { font-size: 11px; padding: 3px 10px; border-radius: 20px; font-weight: 600; }
.vault-status.locked { background: rgba(255,171,0,0.15); color: var(--warning); }
.vault-status.unlocked { background: rgba(0,200,83,0.15); color: var(--success); }
.vault-item-detail { font-size: 13px; color: var(--white-70); margin-bottom: 4px; }
.vault-item-detail strong { color: var(--white); }
.vault-withdraw {
  margin-top: 12px;
  background: var(--success);
  color: var(--white);
  border: none;
  border-radius: var(--radius-xs);
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.vault-withdraw:hover { opacity: 0.85; }

/* ===================== SPLIT ===================== */
.split-type-toggle {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  background: var(--white-05);
  border-radius: var(--radius-sm);
  padding: 4px;
}
.toggle-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--white-40);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: var(--transition);
}
.toggle-btn.active {
  background: var(--circle-blue);
  color: var(--white);
}

.recipient-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 8px; }
.recipient-row { display: flex; gap: 8px; align-items: center; }
.recipient-addr { flex: 2; }
.recipient-amount { flex: 1; }
.remove-btn {
  background: rgba(255,68,68,0.15);
  border: 1px solid rgba(255,68,68,0.3);
  color: var(--danger);
  border-radius: var(--radius-xs);
  width: 32px; height: 32px;
  min-width: 32px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 12px;
  transition: var(--transition);
}
.remove-btn:hover { background: rgba(255,68,68,0.3); }

.split-summary {
  background: var(--white-08);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-sm);
  padding: 14px;
  margin-top: 12px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 4px 0;
  color: var(--white-70);
}
.summary-row span:last-child { color: var(--white); font-weight: 600; }

/* ===================== STEPS ===================== */
.steps { display: flex; flex-direction: column; gap: 20px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 28px;
  color: var(--circle-blue);
  opacity: 0.4;
  line-height: 1;
  min-width: 40px;
}
.step-content h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 4px;
}
.step-content p { font-size: 14px; color: var(--white-70); }

/* ===================== ARC GRID ===================== */
.arc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.arc-card {
  background: var(--white-05);
  border: 1px solid var(--white-08);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--transition);
}
.arc-card:hover {
  border-color: var(--circle-blue);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--circle-blue-glow);
}
.arc-card-icon { font-size: 32px; margin-bottom: 16px; }
.arc-card h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  margin-bottom: 8px;
}
.arc-card p { font-size: 14px; color: var(--white-70); line-height: 1.6; }

/* ===================== FOOTER ===================== */
.footer {
  background: var(--arc-navy-mid);
  border-top: 1px solid var(--white-08);
  padding: 48px 24px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  text-align: center;
}
.footer-logo { display: flex; align-items: center; gap: 12px; }
.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-links a {
  color: var(--white-70);
  text-decoration: none;
  font-size: 14px;
  transition: var(--transition);
}
.footer-links a:hover { color: var(--circle-blue); }
.footer-credit { font-size: 13px; color: var(--white-40); }

/* ===================== MODAL ===================== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(11,16,32,0.85);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.modal {
  max-width: 440px; width: 100%;
  text-align: center;
  padding: 40px;
  animation: modalIn 0.3s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.9) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.modal-success-icon { font-size: 56px; margin-bottom: 20px; }
.modal h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  margin-bottom: 12px;
}
.modal p { color: var(--white-70); font-size: 15px; margin-bottom: 24px; }
.modal-tx {
  background: var(--white-08);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: left;
}
.modal-tx span { font-size: 11px; color: var(--white-40); text-transform: uppercase; }
.tx-hash {
  font-size: 13px;
  color: var(--circle-blue);
  word-break: break-all;
  text-decoration: none;
}
.tx-hash:hover { text-decoration: underline; }

/* ===================== NOTIFICATION ===================== */
.notification {
  position: fixed;
  bottom: 24px; right: 24px;
  z-index: 300;
  background: var(--arc-navy-light);
  border: 1px solid var(--white-15);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  font-size: 14px;
  max-width: 320px;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.notification.show { transform: translateY(0); opacity: 1; }
.notification.success { border-color: var(--success); color: var(--success); }
.notification.error { border-color: var(--danger); color: var(--danger); }
.notification.info { border-color: var(--circle-blue); color: var(--circle-blue); }

/* ===================== LOADING SPINNER ===================== */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .arc-grid { grid-template-columns: 1fr 1fr; }
  .nav-right { display: none; }
  .hamburger { display: block; }
}

@media (max-width: 600px) {
  .arc-grid { grid-template-columns: 1fr; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .recipient-row { flex-wrap: wrap; }
  .recipient-addr { flex: 100%; }
  .recipient-amount { flex: 1; }
  .section { padding: 60px 16px; }
  .glass-card { padding: 20px; }
  .modal { padding: 28px 20px; }
}

/* ===================== ADDITIONAL FIXES ===================== */

/* vault message display */
.vault-message {
  font-style: italic;
  color: var(--white-70);
  margin-top: 6px;
  padding: 8px 12px;
  background: var(--white-05);
  border-left: 2px solid var(--circle-blue);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  font-size: 13px;
}

/* Reset ol list styling for steps */
ol.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
ol.steps li.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

/* Toggle button aria-pressed state */
.toggle-btn[aria-pressed="true"] {
  background: var(--circle-blue);
  color: var(--white);
}

/* Ensure modal-tx link is block level */
.modal-tx {
  display: flex;
  flex-direction: column;
  gap: 6px;
}