:root {
  --primary: #5b6ee1;
  --primary-dark: #4658ca;
  --surface: #ffffff;
  --soft: #f4f5fb;
  --text: #202334;
  --muted: #667085;
  --danger: #dc3545;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  background: linear-gradient(135deg, #eef1ff, #f8f6ff);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "PingFang SC", sans-serif;
  min-height: 100vh;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
[hidden] { display: none !important; }

.shell { width: min(1180px, calc(100% - 28px)); margin: 28px auto 60px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 22px; }
.brand { color: var(--text); text-decoration: none; font-weight: 800; }
.top-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.card { background: var(--surface); border-radius: 18px; padding: 24px; margin-bottom: 22px; box-shadow: 0 10px 32px rgba(40, 48, 100, .1); }
h1, h2, h3 { margin-top: 0; }
.hint, .message { color: var(--muted); }
.message[data-tone="error"] { color: #b42318; }
.message[data-tone="success"] { color: #18794e; }

.button, button {
  border: 0; border-radius: 10px; padding: 11px 17px;
  background: var(--primary); color: #fff; text-decoration: none; font-weight: 700;
}
.button:hover, button:hover { background: var(--primary-dark); }
.button.secondary, button.secondary { background: #e9ecff; color: #3949ae; }
.danger { background: var(--danger); }
.form-row { display: flex; gap: 12px; align-items: stretch; flex-wrap: wrap; }
.form-row > input { flex: 1 1 220px; }
input[type="text"], input[type="password"], input[type="number"], select {
  min-height: 46px; padding: 10px 13px; border: 1px solid #cfd3df; border-radius: 10px; background: #fff;
}
.choice-row { display: flex; gap: 10px; flex-wrap: wrap; }
.choice { padding: 11px 14px; background: var(--soft); border-radius: 10px; }
.member-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.member-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 11px; }
.member-card, .friend-row, .group-member {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  background: var(--soft); border-radius: 11px; padding: 12px 13px;
}
.member-card label { display: flex; gap: 9px; align-items: center; }
.member-pick {
  width: 100%; padding: 6px 2px; background: transparent; color: var(--text);
  text-align: left; display: flex; align-items: center; gap: 4px;
}
.member-pick:hover { background: transparent; color: var(--primary-dark); }
.faith-note { color: var(--muted); font-size: 12px; white-space: nowrap; }
.member-delete { display: none; }
.delete-mode .member-delete { display: inline-block; }
.friend-list { display: grid; gap: 10px; }
.badge { display: inline-block; border-radius: 999px; padding: 3px 8px; font-size: 12px; background: #e8ecff; color: #4053be; }
.leader-badge { background: #fff0b8; color: #725400; }
.row-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.row-actions button { padding: 7px 10px; font-size: 13px; }

.group-settings { display: grid; grid-template-columns: minmax(160px, 230px) 1fr; gap: 18px; align-items: start; }
.leader-selects { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.leader-selects label { display: grid; gap: 6px; font-weight: 700; }
.group-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.results-heading { display: flex; align-items: center; justify-content: space-between; gap: 14px; }
.results-heading h2 { margin-bottom: 0; }
.group { background: #f0f2ff; border-radius: 15px; padding: 18px; min-height: 150px; }
.group.drag-over { outline: 3px dashed var(--primary); background: #e3e7ff; }
.group-list { display: grid; gap: 9px; }
.group-member { background: white; cursor: grab; }
.group-member.is-leader { cursor: default; }
.move-button { padding: 7px 11px; font-size: 13px; }

.sheet-backdrop { position: fixed; inset: 0; z-index: 20; background: rgba(0,0,0,.42); display: flex; align-items: flex-end; justify-content: center; }
.sheet { width: min(520px, 100%); padding: 24px; background: white; border-radius: 22px 22px 0 0; }
.sheet-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 11px; }
.sheet-options button { min-height: 50px; }
.sheet .secondary { width: 100%; margin-top: 12px; }

.login-card, .join-card { width: min(440px, calc(100% - 28px)); margin: 8vh auto; text-align: center; }
.login-card form, .join-card form { display: grid; gap: 14px; }
.login-card input, .join-card input[type="text"] { width: 100%; }

.qr-page { display: grid; place-items: center; min-height: 100vh; padding: 28px; background: linear-gradient(135deg, #667eea, #6f45a8); }
.qr-card { position: relative; width: min(820px, 72vw); min-height: 650px; padding: 54px 46px; background: white; border-radius: 24px; text-align: center; box-shadow: 0 20px 55px rgba(0,0,0,.25); }
.qr-card h1 { font-size: 34px; }
.qr-card h2 { color: #555; }
.qr-canvas { width: 260px; height: 260px; margin: 30px auto; }
.qr-link { margin: 12px auto 28px; padding: 13px; max-width: 520px; border-radius: 11px; background: #f2f2f2; word-break: break-all; }
.qr-photo { position: absolute; top: 190px; width: 390px; height: 290px; object-fit: cover; border: 8px solid white; border-radius: 14px; box-shadow: 0 14px 35px rgba(0,0,0,.3); z-index: 2; }
.qr-photo.left { left: -290px; transform: rotate(-8deg); }
.qr-photo.right { right: -290px; transform: rotate(8deg); }

@media (max-width: 720px) {
  .shell { margin-top: 16px; }
  .card { padding: 18px; }
  .topbar, .group-settings { display: grid; grid-template-columns: 1fr; }
  .group-grid { grid-template-columns: 1fr; }
  .form-row { display: grid; }
  .choice-row { display: grid; grid-template-columns: 1fr 1fr; }
  .choice { text-align: left; }
  .top-actions .button, .top-actions button { flex: 1; text-align: center; }
  .qr-page { padding: 14px; }
  .qr-card { width: 100%; min-height: auto; padding: 34px 20px; }
  .qr-card h1 { font-size: 25px; }
  .qr-photo { display: none; }
}