:root {
  --canvas: #FBFBF9;
  --surface: #FFFFFF;
  --ink: #141414;
  --muted: #6B6B66;
  --line: #E7E7E1;
  --lime: #B6F03C;
  --violet: #6B46F5;
  --violet-soft: #ECE7FE;
  --lime-soft: #F0FAD6;
  --success: #22B07D;
  --alert: #F0453E;
  --radius: 4px;
  --font-display: 'Anton', Impact, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
}

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

body {
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h1 { font-size: 48px; }
h2 { font-size: 32px; margin-bottom: 20px; }
h3 { font-size: 24px; }

.brand {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 24px;
  letter-spacing: -0.01em;
  color: var(--lime);
}

.topbar {
  background: var(--ink);
  color: white;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.topbar .brand {
  color: var(--lime);
}

.nav-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.nav-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-weight: 500;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover {
  color: white;
}

.nav-link.active {
  color: white;
  border-bottom-color: var(--lime);
}

.main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  transition: box-shadow 0.2s;
}

.card.emphasis {
  border: 2px solid var(--ink);
}

.card:hover {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.class-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.class-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.class-card .time {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 18px;
  color: var(--ink);
}

.class-card .type {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
}

.class-card .instructor {
  color: var(--muted);
  font-size: 14px;
}

.cap-ring {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--violet-soft);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
  margin-top: 8px;
}

.cap-ring::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: conic-gradient(var(--violet) calc(var(--fill, 0) * 1%), transparent 0);
  mask: radial-gradient(circle, transparent 60%, black 60%);
  -webkit-mask: radial-gradient(circle, transparent 60%, black 60%);
}

.cap-ring.is-full {
  background: var(--alert);
  color: white;
}

.cap-ring.is-full::before {
  background: conic-gradient(var(--alert) 100%, transparent 0);
}

.cap-bar {
  width: 100%;
  height: 28px;
  background: var(--violet-soft);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.cap-bar::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: calc(var(--fill, 0) * 1%);
  background: var(--violet);
  transition: width 0.3s;
}

.cap-bar .label {
  position: relative;
  z-index: 1;
}

.member-status {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--line);
  color: var(--muted);
}

.member-status.active {
  background: var(--success);
  color: white;
}

.member-status.paused {
  background: var(--muted);
  color: white;
}

.member-status.cancelled {
  background: var(--alert);
  color: white;
}

.credit-chip {
  display: inline-block;
  padding: 5px 12px;
  border-radius: var(--radius);
  background: var(--lime-soft);
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--line);
  color: var(--ink);
}

.pill-booked {
  background: var(--violet);
  color: white;
}

.pill-attended {
  background: var(--success);
  color: white;
}

.pill-no_show {
  background: var(--alert);
  color: white;
}

.pill-waitlist {
  background: var(--muted);
  color: white;
}

table {
  width: 100%;
  background: var(--surface);
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
}

thead {
  background: var(--canvas);
}

th {
  text-align: left;
  padding: 12px 16px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 13px;
  letter-spacing: 0.03em;
  color: var(--ink);
}

td {
  padding: 14px 16px;
  border-top: 1px solid var(--line);
}

tr:hover {
  background: var(--canvas);
}

input, select, textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--ink);
  transition: border-color 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--violet);
  box-shadow: 0 0 0 3px var(--violet-soft);
}

button, .btn {
  display: inline-block;
  padding: 12px 24px;
  background: var(--ink);
  color: var(--lime);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.1s;
}

button:hover, .btn:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

button:active, .btn:active {
  transform: translateY(0);
}

.btn-2 {
  background: var(--violet);
  color: white;
}

.muted {
  color: var(--muted);
}

:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

/* polish v2 */
.page-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:1rem;
  margin-bottom:1.75rem; padding-bottom:1rem; border-bottom:1px solid var(--line); flex-wrap:wrap; }
.page-head h1{ margin:0; font-size:40px; }
.eyebrow{ text-transform:uppercase; letter-spacing:.16em; font-size:.72rem; font-weight:700; color:var(--violet); margin-bottom:.4rem; }

.card{ box-shadow:0 1px 3px rgba(20,20,20,.05); }

.stats{ display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:14px; margin-bottom:18px; }
.stat{ background:var(--surface); border:1px solid var(--line); border-left:4px solid var(--violet);
  border-radius:var(--radius); padding:18px 20px; box-shadow:0 1px 3px rgba(20,20,20,.05);
  transition:transform .12s ease, box-shadow .12s ease; }
.stat:hover{ transform:translateY(-2px); box-shadow:0 4px 14px rgba(20,20,20,.10); }
.stat.is-lime{ border-left-color:var(--lime); }
.stat.is-alert{ border-left-color:var(--alert); }
.stat-value{ font-family:var(--font-display); font-size:2.6rem; line-height:1; color:var(--ink); }
.stat.is-alert .stat-value{ color:var(--alert); }
.stat-label{ font-size:.72rem; font-weight:700; text-transform:uppercase; letter-spacing:.08em; color:var(--muted); margin-top:8px; }
.stat-sub{ font-size:.76rem; color:var(--muted); margin-top:6px; }

.util-list{ display:flex; flex-direction:column; gap:1.1rem; }
.util-head{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:.5rem; }
.cap-bar.is-full::before{ background:var(--alert); }
.cap-bar.is-full{ color:#fff; }

.row-actions{ display:flex; align-items:center; gap:10px; flex-wrap:wrap; }
.row-actions form{ display:inline; margin:0; }
.activity-feed{ display:flex; flex-direction:column; }
.activity-row{ display:flex; justify-content:space-between; align-items:center; gap:1rem; padding:.6rem 0; border-bottom:1px solid var(--line); }
.activity-row:last-child{ border-bottom:none; }
.activity-when{ font-size:.85rem; color:var(--muted); white-space:nowrap; }

@media (max-width: 760px) {
  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .nav-links {
    width: 100%;
    flex-direction: column;
    gap: 12px;
  }
  
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}