/* ═══════════════════════════════════════════════════════════
   UPAI Labs Patrons — Design System
   Palette derived from UPAI Labs brand identity:
     Primary gradient : #7c3aed → #4f46e5 (purple-indigo)
     Accent           : #06b6d4 (cyan)
     Gold             : #f59e0b (amber, leaderboard medals)
     Dark bg          : #08090d
     Card bg          : #0f1117 / #161b27
     Text primary     : #f1f5f9
     Text muted       : #64748b
═══════════════════════════════════════════════════════════ */

:root {
  --clr-bg:          #08090d;
  --clr-surface:     #0f1117;
  --clr-card:        #161b27;
  --clr-border:      rgba(124,58,237,0.18);
  --clr-primary:     #7c3aed;
  --clr-primary-lt:  #a78bfa;
  --clr-secondary:   #4f46e5;
  --clr-accent:      #06b6d4;
  --clr-gold:        #f59e0b;
  --clr-silver:      #94a3b8;
  --clr-bronze:      #b45309;
  --clr-success:     #10b981;
  --clr-danger:      #ef4444;
  --clr-warn:        #f59e0b;
  --clr-text:        #f1f5f9;
  --clr-text-muted:  #64748b;
  --clr-text-dim:    #334155;
  --radius-sm:       8px;
  --radius-md:       14px;
  --radius-lg:       20px;
  --radius-xl:       28px;
  --shadow-card:     0 4px 24px rgba(0,0,0,0.4), 0 0 0 1px rgba(124,58,237,0.12);
  --shadow-glow:     0 0 40px rgba(124,58,237,0.25);
  --transition:      0.22s cubic-bezier(0.4,0,0.2,1);
  --font-main:       'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono:       'JetBrains Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-main);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Scrollbar ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-surface); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 3px; }

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4 {
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

a { color: var(--clr-primary-lt); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ════════════════════════════════════════════════════════
   HEADER / NAV
════════════════════════════════════════════════════════ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,9,13,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--clr-border);
  padding: 0 24px;
}

.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--clr-text);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.logo span { color: var(--clr-primary-lt); }

.nav-badge {
  background: rgba(124,58,237,0.15);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.75rem;
  color: var(--clr-primary-lt);
  white-space: nowrap;
}

/* ════════════════════════════════════════════════════════
   HERO
════════════════════════════════════════════════════════ */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(124,58,237,0.28) 0%, transparent 60%),
    radial-gradient(ellipse 40% 30% at 80% 50%, rgba(6,182,212,0.10) 0%, transparent 60%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124,58,237,0.1);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 0.78rem;
  color: var(--clr-primary-lt);
  margin-bottom: 20px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 600;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  background: linear-gradient(135deg, #fff 0%, var(--clr-primary-lt) 50%, var(--clr-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.hero p {
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto 36px;
}

/* ── CTA Button ────────────────────────────────────────── */
.btn-cta {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(124,58,237,0.4), 0 0 0 0 rgba(124,58,237,0.4);
  overflow: hidden;
  text-decoration: none;
}

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

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(124,58,237,0.5), 0 0 0 4px rgba(124,58,237,0.15);
  text-decoration: none;
  color: #fff;
}

.btn-cta:hover::after { opacity: 1; }

.btn-cta:active { transform: translateY(0); }

.btn-cta .sparkle { font-size: 1.1rem; }

/* pulse ring */
.btn-cta-wrap { position: relative; display: inline-block; }
.btn-pulse {
  position: absolute;
  inset: -4px;
  border-radius: 40px;
  border: 2px solid rgba(124,58,237,0.5);
  animation: pulse-ring 2s ease-out infinite;
  pointer-events: none;
}
@keyframes pulse-ring {
  0% { opacity: 0.8; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.12); }
}

/* ── Stat strip ────────────────────────────────────────── */
.stat-strip {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.stat-item { text-align: center; }
.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-primary-lt), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
}
.stat-label { font-size: 0.78rem; color: var(--clr-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

/* ════════════════════════════════════════════════════════
   LEADERBOARD
════════════════════════════════════════════════════════ */
.section { max-width: 1200px; margin: 0 auto; padding: 0 24px 80px; }

.section-title {
  font-size: 1.5rem;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title span { color: var(--clr-text-muted); font-weight: 400; font-size: 0.9rem; }

/* Podium top-3 */
.podium {
  display: grid;
  grid-template-columns: 1fr 1.15fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
  align-items: end;
}

@media (max-width: 620px) {
  .podium { grid-template-columns: 1fr; align-items: start; }
  .podium .podium-card:nth-child(1) { order: 2; }
  .podium .podium-card:nth-child(2) { order: 1; }
  .podium .podium-card:nth-child(3) { order: 3; }
}

.podium-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 24px 16px 20px;
  text-align: center;
  position: relative;
  transition: var(--transition);
}

.podium-card.rank-1 {
  border-color: rgba(245,158,11,0.35);
  box-shadow: 0 0 0 1px rgba(245,158,11,0.2), var(--shadow-card);
}

.podium-card.rank-2 { border-color: rgba(148,163,184,0.3); }
.podium-card.rank-3 { border-color: rgba(180,83,9,0.3); }

.podium-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

.rank-1 .podium-badge { background: var(--clr-gold); color: #000; font-size: 1rem; }
.rank-2 .podium-badge { background: var(--clr-silver); color: #000; }
.rank-3 .podium-badge { background: var(--clr-bronze); color: #fff; }

.podium-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  margin: 8px auto 12px;
  border: 2px solid var(--clr-border);
  background: var(--clr-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  overflow: hidden;
}

.rank-1 .podium-avatar { border-color: var(--clr-gold); width: 72px; height: 72px; }

.podium-name { font-weight: 700; font-size: 0.95rem; margin-bottom: 4px; }
.podium-amount {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--clr-primary-lt);
}
.rank-1 .podium-amount { color: var(--clr-gold); font-size: 1.25rem; }
.podium-meta { font-size: 0.73rem; color: var(--clr-text-muted); margin-top: 2px; }

/* Table rows */
.lb-table {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.lb-row {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background var(--transition);
}

.lb-row:last-child { border-bottom: none; }
.lb-row:hover { background: rgba(124,58,237,0.05); }

.lb-rank {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  font-weight: 600;
  text-align: center;
}

.lb-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lb-avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  overflow: hidden;
}

.lb-name { font-weight: 600; font-size: 0.92rem; }
.lb-since { font-size: 0.72rem; color: var(--clr-text-muted); }
.lb-amount { font-weight: 700; color: var(--clr-primary-lt); font-size: 0.95rem; white-space: nowrap; }

.lb-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--clr-text-muted);
}

/* ════════════════════════════════════════════════════════
   MODAL OVERLAY
════════════════════════════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

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

.modal {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-glow), var(--shadow-card);
  transform: scale(0.95) translateY(12px);
  transition: transform var(--transition);
  position: relative;
}

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

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255,255,255,0.06);
  border: none;
  color: var(--clr-text-muted);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
  z-index: 5;
}

.modal-close:hover { background: rgba(255,255,255,0.12); color: var(--clr-text); }

.modal-header {
  padding: 28px 28px 0;
}

.modal-logo {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.modal-header h2 { font-size: 1.3rem; margin-bottom: 4px; }
.modal-header p { color: var(--clr-text-muted); font-size: 0.88rem; }

.modal-body { padding: 24px 28px 28px; }

/* Steps */
.step { display: none; }
.step.active { display: block; animation: step-in 0.25s ease; }
@keyframes step-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* Step indicator */
.step-dots {
  display: flex;
  gap: 6px;
  margin-bottom: 24px;
}

.step-dot {
  height: 4px;
  border-radius: 2px;
  background: var(--clr-border);
  transition: var(--transition);
  flex: 1;
}

.step-dot.done { background: var(--clr-primary); }
.step-dot.active { background: var(--clr-primary-lt); }

/* ── Form elements ─────────────────────────────────────── */
.form-group { margin-bottom: 16px; }

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-family: var(--font-main);
  font-size: 0.95rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  appearance: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.form-input::placeholder { color: var(--clr-text-dim); }

.input-group {
  display: flex;
  gap: 0;
}

.input-prefix {
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-right: none;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding: 11px 12px;
  color: var(--clr-text-muted);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.input-group .form-input {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* OTP input */
.otp-inputs {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.otp-digit {
  width: 46px;
  height: 52px;
  text-align: center;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  color: var(--clr-text);
  outline: none;
  transition: var(--transition);
}

.otp-digit:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

/* Amount picker */
.amount-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.amount-chip {
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-md);
  padding: 10px 8px;
  text-align: center;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--clr-text);
  transition: var(--transition);
  user-select: none;
}

.amount-chip:hover { border-color: var(--clr-primary); color: var(--clr-primary-lt); }
.amount-chip.selected {
  background: rgba(124,58,237,0.15);
  border-color: var(--clr-primary);
  color: var(--clr-primary-lt);
}

/* Avatar upload */
.avatar-upload {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.avatar-preview {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 2px dashed var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  overflow: hidden;
  transition: var(--transition);
}

.avatar-preview:hover { border-color: var(--clr-primary); }
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  padding: 12px 20px;
  transition: var(--transition);
  width: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(124,58,237,0.45);
  transform: translateY(-1px);
}

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

.btn-ghost {
  background: rgba(255,255,255,0.04);
  color: var(--clr-text-muted);
  border: 1px solid rgba(255,255,255,0.08);
}

.btn-ghost:hover { background: rgba(255,255,255,0.08); color: var(--clr-text); }

.btn-danger {
  background: rgba(239,68,68,0.1);
  color: var(--clr-danger);
  border: 1px solid rgba(239,68,68,0.25);
}

.btn-danger:hover { background: rgba(239,68,68,0.18); }

.btn-warn {
  background: rgba(245,158,11,0.1);
  color: var(--clr-warn);
  border: 1px solid rgba(245,158,11,0.25);
}

.btn-warn:hover { background: rgba(245,158,11,0.18); }

.btn-success {
  background: rgba(16,185,129,0.1);
  color: var(--clr-success);
  border: 1px solid rgba(16,185,129,0.25);
}

.btn-success:hover { background: rgba(16,185,129,0.18); }

.btn-sm { padding: 7px 14px; font-size: 0.82rem; width: auto; }

/* Error / info messages */
.msg {
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  margin-bottom: 12px;
  display: none;
}
.msg.visible { display: block; }
.msg-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); color: #fca5a5; }
.msg-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.2); color: #6ee7b7; }
.msg-info { background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.2); color: #67e8f9; }

/* ── OAuth buttons ─────────────────────────────────────── */
.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 4px;
}

.btn-oauth {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--clr-text);
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-oauth:hover {
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.2);
}

.btn-oauth svg { width: 20px; height: 20px; flex-shrink: 0; }

.btn-oauth-google:hover { border-color: rgba(234,67,53,0.4); }
.btn-oauth-github:hover { border-color: rgba(255,255,255,0.3); }

.oauth-divider {
  text-align: center;
  color: var(--clr-text-muted);
  font-size: 0.78rem;
  margin: 6px 0;
  position: relative;
}

.oauth-divider::before, .oauth-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 42%;
  height: 1px;
  background: rgba(255,255,255,0.06);
}

.oauth-divider::before { left: 0; }
.oauth-divider::after  { right: 0; }

/* ════════════════════════════════════════════════════════
   DASHBOARD PANEL (after login)
════════════════════════════════════════════════════════ */
.dashboard {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.dashboard-header {
  padding: 24px 24px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  display: flex;
  align-items: center;
  gap: 14px;
}

.dashboard-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--clr-primary);
  background: var(--clr-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  overflow: hidden;
  flex-shrink: 0;
}

.dashboard-name { font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.dashboard-mobile { font-size: 0.8rem; color: var(--clr-text-muted); }

.dashboard-total {
  margin-left: auto;
  text-align: right;
}
.dashboard-total .amount {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--clr-primary-lt);
}
.dashboard-total .label { font-size: 0.72rem; color: var(--clr-text-muted); text-transform: uppercase; letter-spacing: 0.08em; }

.dashboard-body { padding: 20px 24px 24px; }

/* Subscription status pill */
.sub-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
}

.sub-status.active  { background: rgba(16,185,129,0.12); color: var(--clr-success); border: 1px solid rgba(16,185,129,0.2); }
.sub-status.halted  { background: rgba(245,158,11,0.12); color: var(--clr-warn);    border: 1px solid rgba(245,158,11,0.2); }
.sub-status.cancelled { background: rgba(239,68,68,0.1); color: var(--clr-danger);  border: 1px solid rgba(239,68,68,0.2); }
.sub-status.created, .sub-status.authenticated { background: rgba(6,182,212,0.1); color: var(--clr-accent); border: 1px solid rgba(6,182,212,0.2); }
.sub-status.dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.sub-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 16px;
}

.sub-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.88rem;
}

.sub-card-row:last-child { margin-bottom: 0; }
.sub-card-label { color: var(--clr-text-muted); }
.sub-card-val { font-weight: 600; }

.sub-actions {
  display: flex;
  gap: 8px;
  margin-top: 14px;
  flex-wrap: wrap;
}

/* Payments list */
.payments-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }

.payment-item {
  background: var(--clr-surface);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.payment-left { display: flex; flex-direction: column; gap: 2px; }
.payment-date { font-size: 0.78rem; color: var(--clr-text-muted); }
.payment-id { font-size: 0.72rem; color: var(--clr-text-dim); font-family: var(--font-mono); }
.payment-right { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.payment-amount { font-weight: 700; color: var(--clr-success); font-size: 0.95rem; }
.payment-invoice { font-size: 0.75rem; color: var(--clr-accent); cursor: pointer; }
.payment-invoice:hover { text-decoration: underline; }

/* ════════════════════════════════════════════════════════
   LOADING SPINNER
════════════════════════════════════════════════════════ */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.15);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

@keyframes spin { to { transform: rotate(360deg); } }

.loading-state {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 40px;
  color: var(--clr-text-muted);
}

/* ════════════════════════════════════════════════════════
   FOOTER
════════════════════════════════════════════════════════ */
.site-footer {
  border-top: 1px solid var(--clr-border);
  padding: 28px 24px;
  text-align: center;
  color: var(--clr-text-muted);
  font-size: 0.82rem;
}

.site-footer a { color: var(--clr-primary-lt); }

/* ════════════════════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════════════════════ */
@media (max-width: 640px) {
  .nav-badge { display: none; }
  .hero { padding: 52px 16px 40px; }
  .stat-strip { gap: 20px; }
  .modal { border-radius: var(--radius-lg); }
  .modal-header, .modal-body { padding-left: 20px; padding-right: 20px; }
  .sub-actions .btn { font-size: 0.78rem; }
}