/* Group Expense Manager owner interface styles. */
.gem-app {
  --gem-blue: #087cf0;
  --gem-blue-deep: #0754a6;
  --gem-green: #0bb26b;
  --gem-ink: #102642;
  --gem-muted: #64748b;
  --gem-line: #dbe7f3;
  --gem-soft: #f4f8fc;
  --gem-danger: #ef4444;
  min-height: calc(100vh - 110px);
  color: var(--gem-ink);
  background: #f4f8fc;
  font-family: Inter, Manrope, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.gem-app *, .gem-app *::before, .gem-app *::after { box-sizing: border-box; }
.gem-app button, .gem-app input, .gem-app select, .gem-app textarea { font: inherit; }
.gem-app button { cursor: pointer; }
.gem-shell { display: grid; grid-template-columns: 232px minmax(0, 1fr); min-height: calc(100vh - 110px); }
.gem-sidebar { position: sticky; top: 0; height: calc(100vh - 110px); padding: 22px 15px; background: #fff; border-right: 1px solid var(--gem-line); z-index: 4; }
.gem-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 0 8px 24px; }
.gem-brand img { width: 180px; height: 45px; object-fit: contain; object-position: left center; }
.gem-brand strong { display: block; color: #0759a7; font-size: 18px; }
.gem-brand small { padding-left: 9px; color: var(--gem-muted); font-size: 11px; }
.gem-side-nav { display: grid; gap: 5px; }
.gem-nav-btn { min-height: 42px; display: flex; align-items: center; gap: 11px; border: 0; border-radius: 11px; color: #38516f; background: transparent; padding: 9px 12px; text-align: left; }
.gem-nav-btn i { width: 20px; text-align: center; }
.gem-nav-btn:hover, .gem-nav-btn.active { background: #e7f2ff; color: var(--gem-blue-deep); font-weight: 700; }
.gem-side-footer { position: absolute; left: 15px; right: 15px; bottom: 20px; padding: 14px; border-radius: 14px; background: linear-gradient(135deg, #e9fff6, #e8f4ff); }
.gem-side-footer strong, .gem-side-footer small { display: block; }
.gem-side-footer small { margin-top: 4px; color: var(--gem-muted); line-height: 1.4; }
.gem-main { min-width: 0; }
.gem-header { min-height: 74px; position: sticky; top: 0; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 14px 24px; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--gem-line); backdrop-filter: blur(12px); }
.gem-header h2 { margin: 0; font-size: clamp(20px, 2vw, 28px); }
.gem-header p { margin: 3px 0 0; color: var(--gem-muted); font-size: 13px; }
.gem-header-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
.gem-content { max-width: 1320px; margin: 0 auto; padding: 24px; }
.gem-btn { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; gap: 7px; border: 1px solid var(--gem-line); border-radius: 10px; padding: 9px 14px; color: var(--gem-ink); background: #fff; font-weight: 700; }
.gem-btn:hover { border-color: #a8c7e8; background: #f7fbff; }
.gem-btn.primary { border-color: var(--gem-blue); color: #fff; background: var(--gem-blue); box-shadow: 0 6px 16px rgba(8,124,240,.2); }
.gem-btn.primary:hover { background: #066ed6; }
.gem-btn.success { border-color: var(--gem-green); color: #fff; background: var(--gem-green); }
.gem-btn.danger { border-color: #fecaca; color: #b91c1c; background: #fff5f5; }
.gem-btn.icon { width: 42px; padding: 0; }
.gem-btn.sm { min-height: 34px; padding: 6px 10px; font-size: 12px; }
.gem-btn[disabled] { opacity: .55; cursor: not-allowed; }
.gem-kicker { display: inline-flex; align-items: center; gap: 7px; color: var(--gem-blue-deep); font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
.gem-hero { display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; margin-bottom: 20px; }
.gem-hero h1 { margin: 6px 0 6px; font-size: clamp(25px, 3vw, 38px); }
.gem-hero p { max-width: 700px; margin: 0; color: var(--gem-muted); }
.gem-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.gem-grid { display: grid; gap: 15px; }
.gem-grid.kpis { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gem-kpi, .gem-card { border: 1px solid var(--gem-line); border-radius: 16px; background: #fff; box-shadow: 0 5px 20px rgba(15,51,89,.05); }
.gem-kpi { min-width: 0; padding: 16px; overflow: hidden; }
.gem-kpi small { display: block; color: var(--gem-muted); font-weight: 650; }
.gem-kpi strong { display: block; margin-top: 8px; font-size: clamp(19px, 2vw, 27px); color: var(--gem-ink); white-space: nowrap; }
.gem-kpi.blue { background: #edf6ff; }
.gem-kpi.green { background: #ecfff6; }
.gem-kpi.red { background: #fff1f2; }
.gem-kpi.amber { background: #fffbeb; }
.gem-card { padding: 18px; }
.gem-card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.gem-card-head h3, .gem-card-head h2 { margin: 0; }
.gem-split-layout { grid-template-columns: minmax(0, 1.65fr) minmax(280px, .8fr); margin-top: 16px; }
.gem-list { display: grid; gap: 10px; }
.gem-group-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gem-group-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 13px; align-items: center; border: 1px solid var(--gem-line); border-radius: 15px; padding: 14px; background: #fff; text-align: left; }
.gem-group-card:hover { border-color: #9cc9f8; box-shadow: 0 8px 24px rgba(8,124,240,.09); transform: translateY(-1px); }
.gem-group-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: linear-gradient(145deg,#e6f4ff,#eafff4); font-size: 25px; }
.gem-group-copy strong, .gem-group-copy span, .gem-group-copy small { display: block; }
.gem-group-copy small { color: var(--gem-muted); margin-top: 3px; }
.gem-group-balance { margin-top: 7px; font-weight: 800; color: var(--gem-green); }
.gem-group-balance.pay { color: var(--gem-danger); }
.gem-tabs { display: flex; gap: 5px; overflow-x: auto; margin: 18px 0 15px; padding-bottom: 2px; scrollbar-width: none; }
.gem-tabs::-webkit-scrollbar { display: none; }
.gem-tab { flex: 0 0 auto; min-height: 38px; border: 0; border-radius: 10px; padding: 8px 13px; color: var(--gem-muted); background: transparent; font-weight: 700; }
.gem-tab.active { color: var(--gem-blue-deep); background: #e7f2ff; }
.gem-table-wrap { overflow-x: auto; }
.gem-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.gem-table th { color: var(--gem-muted); background: #f7fafc; font-size: 11px; text-align: left; text-transform: uppercase; letter-spacing: .04em; }
.gem-table th, .gem-table td { padding: 11px 10px; border-bottom: 1px solid #e8eff6; vertical-align: middle; }
.gem-table tr:last-child td { border-bottom: 0; }
.gem-table .money { white-space: nowrap; font-weight: 800; }
.gem-mobile-list { display: none; }
.gem-transaction { display: grid; grid-template-columns: 44px minmax(0, 1fr) auto auto; gap: 11px; align-items: center; padding: 11px 0; border-bottom: 1px solid #edf2f7; }
.gem-transaction:last-child { border-bottom: 0; }
.gem-transaction-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: #edf6ff; color: var(--gem-blue-deep); }
.gem-transaction-copy strong, .gem-transaction-copy small { display: block; }
.gem-transaction-copy small { margin-top: 3px; color: var(--gem-muted); line-height: 1.35; }
.gem-money { font-weight: 850; white-space: nowrap; }
.gem-positive { color: var(--gem-green); }
.gem-negative { color: var(--gem-danger); }
.gem-zero { color: var(--gem-muted); }
.gem-badge { display: inline-flex; align-items: center; gap: 5px; border-radius: 999px; padding: 4px 8px; background: #e8fff5; color: #087a4c; font-size: 11px; font-weight: 800; white-space: nowrap; }
.gem-badge.blue { background: #e7f2ff; color: #0754a6; }
.gem-badge.red { background: #fff0f1; color: #bf2532; }
.gem-badge.gray { background: #f1f5f9; color: #53657b; }
.gem-balance-row, .gem-plan-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 0; border-bottom: 1px solid #edf2f7; }
.gem-balance-row:last-child, .gem-plan-row:last-child { border-bottom: 0; }
.gem-member-balance-row .gem-person strong { font-weight: 650; }
.gem-member-row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 9px; flex-wrap: wrap; }
.gem-balance-amount { min-width: 118px; display: grid; justify-items: end; gap: 2px; border-radius: 10px; padding: 7px 10px; }
.gem-balance-amount small { font-size: 11px; font-weight: 600; }
.gem-balance-amount strong { font-size: 15px; font-weight: 700; }
.gem-balance-amount.receive { color: #087a4c; background: #ecfdf3; }
.gem-balance-amount.pay { color: #b42335; background: #fff1f2; }
.gem-balance-amount.settled { color: var(--gem-muted); background: #f1f5f9; }
.gem-avatar { width: 36px; height: 36px; flex: 0 0 auto; display: grid; place-items: center; border-radius: 50%; color: #fff; background: linear-gradient(135deg,#0b85f5,#08ae6c); font-size: 12px; font-weight: 850; }
.gem-person { display: flex; align-items: center; gap: 9px; min-width: 0; }
.gem-person span { min-width: 0; }
.gem-person strong, .gem-person small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gem-person small { color: var(--gem-muted); }
.gem-empty { max-width: 680px; margin: 7vh auto; text-align: center; padding: 36px 22px; }
.gem-empty-art { width: 92px; height: 92px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 28px; background: linear-gradient(145deg,#dff2ff,#dffff0); color: var(--gem-blue-deep); font-size: 42px; }
.gem-empty h2 { margin: 0 0 8px; font-size: 28px; }
.gem-empty p { color: var(--gem-muted); line-height: 1.6; }
.gem-empty .gem-actions { justify-content: center; margin-top: 20px; }
.gem-mobile-nav { display: none; }
.gem-dialog { width: min(720px, calc(100vw - 28px)); max-height: min(88vh, 880px); border: 0; border-radius: 18px; padding: 0; color: var(--gem-ink); box-shadow: 0 24px 80px rgba(15,35,65,.25); }
.gem-dialog::backdrop { background: rgba(8,25,46,.54); backdrop-filter: blur(3px); }
.gem-dialog-head { position: sticky; top: 0; z-index: 2; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 17px 18px; background: #fff; border-bottom: 1px solid var(--gem-line); }
.gem-dialog-head h3 { margin: 0; }
.gem-dialog-body { padding: 18px; overflow-y: auto; max-height: calc(88vh - 136px); }
.gem-dialog-foot { position: sticky; bottom: 0; display: flex; justify-content: flex-end; gap: 9px; padding: 14px 18px; background: #fff; border-top: 1px solid var(--gem-line); }
.gem-form-status { flex: 1 1 180px; align-self: center; margin: 0; color: var(--gem-muted); font-size: 12px; }
.gem-form-status:empty { display: none; }
.gem-form-status.error { color: #b42318; }
.gem-form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.gem-field { display: grid; gap: 6px; min-width: 0; }
.gem-field.full { grid-column: 1 / -1; }
.gem-field > span { color: #36506d; font-size: 12px; font-weight: 750; }
.gem-field input, .gem-field select, .gem-field textarea { width: 100%; min-height: 43px; border: 1px solid #cdddec; border-radius: 10px; padding: 9px 11px; color: var(--gem-ink); background: #fff; outline: none; }
.gem-field textarea { min-height: 78px; resize: vertical; }
.gem-field input:focus, .gem-field select:focus, .gem-field textarea:focus { border-color: var(--gem-blue); box-shadow: 0 0 0 3px rgba(8,124,240,.11); }
.gem-check-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
.gem-check { min-height: 44px; display: flex; align-items: center; gap: 9px; border: 1px solid var(--gem-line); border-radius: 10px; padding: 8px 10px; background: #fff; }
.gem-check input { width: 18px; height: 18px; accent-color: var(--gem-blue); }
.gem-section { grid-column: 1 / -1; border-top: 1px solid var(--gem-line); padding-top: 14px; margin-top: 2px; }
.gem-section-title { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.gem-section-title strong { font-size: 14px; }
.gem-row-list { display: grid; gap: 9px; }
.gem-inline-row { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(110px,.8fr) 38px; gap: 8px; align-items: center; }
.gem-inline-row select, .gem-inline-row input { min-width: 0; }
.gem-chip-row { display: flex; flex-wrap: wrap; gap: 8px; }
.gem-chip { padding: 7px 10px; border: 1px solid var(--gem-line); border-radius: 999px; background: var(--gem-soft); color: var(--gem-ink); font-size: 12px; font-weight: 700; }
.gem-link-btn { border: 0; padding: 0 0 0 5px; color: var(--gem-blue); background: transparent; font: inherit; font-weight: 800; cursor: pointer; text-decoration: underline; }
.gem-package-card, .gem-session-card { display: flex; justify-content: space-between; gap: 18px; padding: 15px 0; border-bottom: 1px solid var(--gem-line); }
.gem-package-card:last-child, .gem-session-card:last-child { border-bottom: 0; }
.gem-package-card h3, .gem-session-card h3 { margin: 7px 0 3px; font-size: 16px; }
.gem-package-card p, .gem-package-card small, .gem-session-card small { margin: 0; color: var(--gem-muted); }
.gem-package-usage { display: grid; flex: 0 0 auto; justify-items: end; align-content: start; gap: 3px; text-align: right; }
.gem-package-usage strong { font-size: 18px; }
.gem-package-usage .gem-btn { margin-top: 7px; }
.gem-session-card { display: block; }
.gem-session-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; margin-bottom: 11px; }
.gem-attendance-columns { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.gem-attendance-columns > div { padding: 12px; border: 1px solid var(--gem-line); border-radius: 12px; background: #f8fbfe; }
.gem-attendance-columns small { display: block; margin: 3px 0 9px; color: var(--gem-muted); }
.gem-casual-fee-list { display: grid; gap: 9px; }
.gem-casual-fee-row { display: grid; grid-template-columns: minmax(150px,1.2fr) minmax(92px,.55fr) minmax(130px,1fr); gap: 8px; align-items: end; }
.gem-casual-fee-row .gem-field span { font-size: 11px; }
.gem-casual-fee-row .gem-check { min-height: 43px; }
.gem-copy-row { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
.gem-copy-row-prefix { grid-template-columns: auto minmax(0,1fr) auto; align-items: center; }
.gem-url-prefix { color: var(--gem-muted); font-size: 13px; white-space: nowrap; }
.gem-toggle-row { display: flex; align-items: center; justify-content: space-between; gap: 14px; border: 1px solid var(--gem-line); border-radius: 12px; padding: 12px; background: #f8fbfe; }
.gem-switch { position: relative; width: 44px; height: 24px; flex: 0 0 auto; }
.gem-switch input { position: absolute; opacity: 0; }
.gem-switch span { position: absolute; inset: 0; border-radius: 999px; background: #b9c7d5; transition: .2s; }
.gem-switch span::after { content: ""; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; border-radius: 50%; background: #fff; transition: .2s; box-shadow: 0 1px 4px rgba(0,0,0,.2); }
.gem-switch input:checked + span { background: var(--gem-green); }
.gem-switch input:checked + span::after { transform: translateX(20px); }
.gem-share-panel { display: grid; gap: 10px; margin-top: 10px; padding: 13px; border: 1px solid #bce7d3; border-radius: 12px; background: #f0fff7; }
.gem-share-panel[hidden] { display: none; }
.gem-member-tools { display: flex; gap: 7px; margin-bottom: 9px; }
.gem-login-card { max-width: 430px; margin: 5vh auto; padding: 26px; }
.gem-login-logo { width: 74px; height: 74px; display: block; object-fit: contain; margin: 0 auto 12px; }
.gem-login-card h2, .gem-login-card > p { text-align: center; }
.gem-login-card > p { color: var(--gem-muted); }
.gem-login-card form { display: grid; gap: 14px; margin-top: 20px; }
.gem-notice { border: 1px solid #b8dcff; border-radius: 12px; padding: 12px; color: #0b4f91; background: #eef7ff; font-size: 13px; line-height: 1.45; }
.gem-warning { border-color: #fde68a; color: #92400e; background: #fffbeb; }
.gem-activity-time { flex: 0 0 auto; color: var(--gem-muted); font-size: 11px; }
.gem-search { min-width: 220px; }
.gem-detail-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.gem-detail { border-radius: 11px; padding: 11px; background: #f7fafc; }
.gem-detail.full { grid-column: 1 / -1; }
.gem-detail small, .gem-detail strong { display: block; }
.gem-detail small { color: var(--gem-muted); margin-bottom: 4px; }
.gem-detail p { margin: 0; color: #304861; line-height: 1.5; white-space: pre-wrap; }
.gem-detail .gem-detail-note { margin-top: 5px; color: #b42335; font-size: 12px; }
.gem-detail-history { margin-top: 16px; border-top: 1px solid var(--gem-line); padding-top: 15px; }
.gem-audit-entry { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 9px 0; border-bottom: 1px solid #edf2f7; }
.gem-audit-entry:last-child { border-bottom: 0; }
.gem-audit-entry > span:last-child { text-align: right; }
.gem-audit-entry strong, .gem-audit-entry small { display: block; }
.gem-audit-entry strong { font-size: 13px; font-weight: 650; }
.gem-audit-entry small { margin-top: 2px; color: var(--gem-muted); font-size: 11px; }

@media (max-width: 1100px) {
  .gem-grid.kpis { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .gem-group-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 760px) {
  .gem-app { min-height: calc(100vh - 60px); padding-bottom: 74px; background: #f6f9fc; }
  .gem-shell { display: block; min-height: 0; }
  .gem-sidebar { display: none; }
  .gem-header { min-height: 62px; padding: 9px 14px; }
  .gem-header h2 { font-size: 18px; }
  .gem-header p { max-width: 205px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .gem-header-actions .gem-btn:not(.primary):not(.icon) { display: none; }
  .gem-content { padding: 15px 12px 22px; }
  .gem-hero { display: block; margin-bottom: 14px; }
  .gem-hero h1 { font-size: 24px; }
  .gem-hero .gem-actions { margin-top: 13px; }
  .gem-grid.kpis { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
  .gem-kpi { padding: 13px 12px; border-radius: 13px; }
  .gem-kpi strong { font-size: 19px; }
  .gem-grid.kpis .gem-kpi:first-child { grid-column: 1 / -1; }
  .gem-split-layout { grid-template-columns: 1fr; gap: 11px; margin-top: 11px; }
  .gem-card { padding: 14px; border-radius: 14px; }
  .gem-group-list { grid-template-columns: 1fr; gap: 9px; }
  .gem-group-card { padding: 12px; }
  .gem-member-balance-row { align-items: flex-start; }
  .gem-member-row-actions { max-width: 52%; }
  .gem-balance-amount { min-width: 104px; }
  .gem-table-wrap { display: none; }
  .gem-mobile-list { display: grid; gap: 9px; }
  .gem-mobile-card { border: 1px solid var(--gem-line); border-radius: 13px; padding: 12px; background: #fff; }
  .gem-mobile-card-head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
  .gem-mobile-card p { margin: 5px 0; color: var(--gem-muted); font-size: 12px; }
  .gem-mobile-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; display: grid; grid-template-columns: repeat(5,1fr); min-height: 66px; padding: 5px max(6px,env(safe-area-inset-right)) max(5px,env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left)); border-top: 1px solid var(--gem-line); background: rgba(255,255,255,.97); box-shadow: 0 -8px 28px rgba(18,47,78,.09); }
  .gem-mobile-nav button { display: grid; place-items: center; align-content: center; gap: 2px; border: 0; color: #6b7e94; background: transparent; font-size: 10px; }
  .gem-mobile-nav i { font-size: 20px; }
  .gem-mobile-nav button.active { color: var(--gem-blue); font-weight: 800; }
  .gem-mobile-nav .add { width: 48px; height: 48px; align-self: start; justify-self: center; margin-top: -17px; border-radius: 50%; color: #fff; background: var(--gem-green); box-shadow: 0 7px 17px rgba(11,178,107,.3); }
  .gem-mobile-nav .add i { font-size: 28px; }
  .gem-mobile-nav .add span { display: none; }
  .gem-form-grid { grid-template-columns: 1fr; }
  .gem-field.full, .gem-section { grid-column: 1; }
  .gem-check-grid { grid-template-columns: 1fr; }
  .gem-inline-row { grid-template-columns: minmax(0,1fr) minmax(92px,.62fr) 38px; }
  .gem-dialog { width: 100vw; max-width: none; max-height: 94vh; margin: auto 0 0; border-radius: 19px 19px 0 0; }
  .gem-dialog-body { max-height: calc(94vh - 136px); padding: 15px; }
  .gem-dialog-foot { padding-bottom: max(14px, env(safe-area-inset-bottom)); }
  .gem-dialog-foot .gem-btn { flex: 1; }
  .gem-form-status { flex-basis: 100%; }
  .gem-copy-row-prefix { grid-template-columns: 1fr auto; }
  .gem-copy-row-prefix .gem-url-prefix { grid-column: 1 / -1; }
  .gem-transaction { grid-template-columns: 42px minmax(0,1fr) auto; }
  .gem-transaction > .gem-actions { grid-column: 2 / -1; }
  .gem-detail-grid { grid-template-columns: 1fr; }
  .gem-attendance-columns { grid-template-columns: 1fr; }
  .gem-casual-fee-row { grid-template-columns: 1fr 1fr; }
  .gem-casual-fee-row .gem-check { grid-column: 1 / -1; }
  .gem-package-card, .gem-session-card-head { align-items: flex-start; }
  .gem-search { min-width: 0; width: 100%; }
}

@media (max-width: 390px) {
  .gem-header-actions .gem-btn.primary span { display: none; }
  .gem-header-actions .gem-btn.primary { width: 42px; padding: 0; }
  .gem-grid.kpis { grid-template-columns: 1fr 1fr; }
}