:root {
  --green:       #1f7a3f;
  --green-dark:  #124f2a;
  --green-light: #edf8f0;
  --green-pale:  #f2faf5;
  --leaf:        #8ac146;
  --ink:         #1d2b23;
  --muted:       #607064;
  --soft:        #f6f8f4;
  --line:        #dce7dd;
  --white:       #ffffff;
  --red:         #b84c3d;
  --yellow:      #f3c84b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: Inter, ui-sans-serif, system-ui, sans-serif; background: var(--soft); color: var(--ink); font-size: 15px; line-height: 1.5; }
a { color: var(--green); }

/* PIN screen */
.pin-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dark);
}
.pin-screen.hidden { display: none; }
.pin-card {
  background: white;
  border-radius: 16px;
  padding: 40px 32px;
  width: 300px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.pin-logo { font-size: 2.5rem; margin-bottom: 12px; }
.pin-card h1 { font-size: 1.4rem; margin-bottom: 6px; color: var(--ink); }
.pin-card p { color: var(--muted); font-size: 0.9rem; margin-bottom: 24px; }
.pin-dots { display: flex; gap: 12px; justify-content: center; margin-bottom: 24px; }
.pin-dots span {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2px solid var(--green);
  background: transparent;
  transition: background 120ms;
}
.pin-dots span.filled { background: var(--green); }
.pin-pad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.pin-key {
  height: 52px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--soft);
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  color: var(--ink);
  transition: background 100ms;
}
.pin-key:hover { background: var(--green-light); }
.pin-key.ghost { background: transparent; border-color: transparent; cursor: default; }
.pin-key.del { font-size: 1.1rem; color: var(--muted); }
.pin-error { color: var(--red); font-size: 0.85rem; font-weight: 700; }
.pin-error.hidden { display: none; }

/* Admin app hidden */
#admin-app.hidden { display: none; }

/* Header */
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 28px;
  background: var(--green-dark);
  color: white;
  position: sticky;
  top: 0;
  z-index: 20;
}
.admin-brand { font-weight: 850; font-size: 1.05rem; }
.header-right { display: flex; gap: 10px; }
.relay-btn, .lock-btn {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  color: white;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
}
.relay-btn:hover, .lock-btn:hover { background: rgba(255,255,255,0.22); }

/* Relay bar */
.relay-bar { background: var(--green-pale); border-bottom: 1px solid var(--line); padding: 16px 28px; }
.relay-bar.hidden { display: none; }
.relay-bar label { font-weight: 700; font-size: 0.9rem; display: grid; gap: 8px; }
.relay-input-row { display: flex; gap: 8px; }
.relay-input-row input {
  flex: 1; border: 1px solid var(--line); border-radius: 6px; padding: 8px 12px; font: inherit; background: white;
}
.relay-input-row input:focus { outline: none; border-color: var(--green); }
.relay-input-row button { padding: 8px 18px; background: var(--green); color: white; border: none; border-radius: 6px; font-weight: 700; cursor: pointer; }
.relay-hint { font-size: 0.8rem; color: var(--muted); margin-top: 8px; }
.relay-hint code { background: var(--line); padding: 1px 5px; border-radius: 3px; font-size: 0.78rem; }

/* Main */
.admin-main { max-width: 960px; margin: 0 auto; padding: 28px 20px 60px; display: grid; gap: 36px; }

/* Stats */
.stats-section h2, .requests-section h2 { font-size: 1.1rem; margin-bottom: 16px; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 16px; }
.stat-box {
  background: white;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  text-align: center;
}
.stat-box.accent { background: var(--green); color: white; border-color: transparent; }
.stat-label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.7; margin-bottom: 6px; }
.stat-num { font-size: 2.5rem; font-weight: 900; line-height: 1; }
.stat-sub { font-size: 0.78rem; opacity: 0.65; margin-top: 4px; }
.stat-box.accent .stat-label,
.stat-box.accent .stat-sub { opacity: 0.8; }
.counter-controls { display: flex; flex-wrap: wrap; gap: 8px; }
.counter-btn {
  padding: 9px 18px;
  border-radius: 8px;
  border: 1.5px solid var(--green);
  background: var(--green);
  color: white;
  font-weight: 800;
  font-size: 0.88rem;
  cursor: pointer;
  transition: background 140ms;
}
.counter-btn:hover { background: var(--green-dark); border-color: var(--green-dark); }
.counter-btn.dec { background: white; color: var(--green); }
.counter-btn.dec:hover { background: var(--green-light); }
.counter-btn.reset { background: white; color: var(--muted); border-color: var(--line); }
.counter-btn.reset:hover { background: var(--soft); }
.counter-btn.danger { background: white; color: var(--red); border-color: var(--red); }
.counter-btn.danger:hover { background: var(--red); color: white; }

/* Requests */
.requests-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.filter-row { display: flex; gap: 6px; flex-wrap: wrap; }
.filter-btn {
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: white;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  cursor: pointer;
}
.filter-btn.active { background: var(--green); color: white; border-color: var(--green); }
.requests-list { display: grid; gap: 10px; }
.req-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px 16px;
  cursor: pointer;
  transition: box-shadow 140ms, border-color 140ms;
  display: grid;
  gap: 6px;
}
.req-card:hover { border-color: var(--green); box-shadow: 0 4px 16px rgba(31,122,63,0.1); }
.req-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.req-card-actions { display: flex; align-items: center; gap: 8px; }
.quick-confirm-btn {
  padding: 4px 10px;
  border: 1.5px solid #1f7a3f;
  border-radius: 6px;
  background: white;
  color: #1f7a3f;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  transition: all 120ms;
  white-space: nowrap;
}
.quick-confirm-btn:hover { background: #1f7a3f; color: white; }
.quick-confirm-btn:disabled { opacity: 0.5; cursor: default; }
.quick-delete-btn {
  width: 24px; height: 24px;
  border: 1px solid #dce7dd;
  border-radius: 6px;
  background: white;
  color: #b84c3d;
  font-size: 0.8rem;
  font-weight: 900;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  padding: 0;
  transition: all 120ms;
}
.quick-delete-btn:hover { background: #b84c3d; color: white; border-color: #b84c3d; }
.req-name { font-size: 0.95rem; }
.req-age { font-size: 0.78rem; font-weight: 500; color: var(--muted); }
.req-status { font-size: 0.72rem; font-weight: 800; color: white; padding: 3px 8px; border-radius: 20px; white-space: nowrap; }
.req-meta { font-size: 0.82rem; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }
.req-location { font-size: 0.8rem; color: var(--muted); }
.loading-msg, .no-appts, .error-msg { color: var(--muted); font-size: 0.9rem; padding: 20px 0; }
.error-msg { color: var(--red); }

/* Modal */
.appt-modal { position: fixed; inset: 0; background: rgba(0,0,0,0.45); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.appt-modal.hidden { display: none; }
.modal-card { background: white; border-radius: 12px; max-width: 480px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,0.2); overflow: hidden; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: var(--green); color: white; font-size: 1rem; }
.modal-header button { background: none; border: none; color: white; font-size: 1.1rem; cursor: pointer; }
.modal-body { padding: 18px; }
.modal-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.modal-table td { padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.modal-table td:first-child { font-weight: 700; color: var(--muted); white-space: nowrap; width: 90px; }
.modal-actions { padding: 14px 18px; border-top: 1px solid var(--line); display: grid; gap: 10px; }
.modal-status-row { display: flex; gap: 6px; flex-wrap: wrap; }
.status-btn {
  flex: 1;
  padding: 8px 10px;
  border: 2px solid var(--color, #ccc);
  border-radius: 8px;
  background: white;
  color: var(--color, #ccc);
  font-weight: 800;
  font-size: 0.8rem;
  cursor: pointer;
  transition: all 140ms;
}
.status-btn.active, .status-btn:hover {
  background: var(--color, #ccc);
  color: white;
}
.delete-btn {
  padding: 9px;
  border: 1px solid var(--red);
  border-radius: 8px;
  background: white;
  color: var(--red);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 140ms;
}
.delete-btn:hover { background: var(--red); color: white; }

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
}