:root{--color-bg: #f6f7fb;--color-surface: #ffffff;--color-border: #e2e4ea;--color-text: #1c1f26;--color-text-muted: #6b7080;--color-primary: #4338ca;--color-primary-hover: #362da3;--color-primary-soft: #eef0fd;--color-danger: #dc2626;--color-danger-soft: #fdecec;--color-success: #15803d;--color-success-soft: #eafaf0;--color-warning: #b45309;--color-warning-soft: #fef3e0;--shadow-sm: 0 1px 2px rgba(16, 24, 40, .06);--shadow-md: 0 4px 12px rgba(16, 24, 40, .08);--radius: 10px;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0 0 4px;font-weight:650;letter-spacing:-.01em}h1{font-size:22px}h2{font-size:16px;color:var(--color-text)}p{margin:0 0 8px}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}code{background:var(--color-primary-soft);padding:1px 5px;border-radius:4px;font-size:.9em}.topbar{display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:60px;background:var(--color-surface);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:10}.topbar-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--color-text)}.topbar-brand .mark{width:28px;height:28px;border-radius:8px;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}.topbar-brand .env-tag{font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);background:var(--color-bg);border:1px solid var(--color-border);padding:2px 8px;border-radius:999px}.topbar-right{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--color-text-muted)}.page{max-width:880px;margin:0 auto;padding:32px 24px 64px}.page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.page-header-sub{color:var(--color-text-muted);font-size:13.5px}.section{margin-top:32px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:24px}.card+.card{margin-top:16px}.card-danger{border-color:#f3c6c6;background:snow}.card-danger h2{color:var(--color-danger)}.field{margin-top:14px}.field:first-child{margin-top:0}.field label{display:block;font-size:13px;font-weight:600;color:var(--color-text);margin-bottom:5px}.field 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.suffix{color:var(--color-text-muted);font-size:13.5px;white-space:nowrap}button{font-family:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;font-size:13.5px;font-weight:600;border-radius:7px;border:1px solid transparent;background:var(--color-primary);color:#fff;transition:background-color .12s ease}.btn:hover:not(:disabled){background:var(--color-primary-hover)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--color-surface);color:var(--color-text);border-color:var(--color-border)}.btn-secondary:hover:not(:disabled){background:var(--color-bg)}.btn-danger{background:var(--color-danger)}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-sm{padding:5px 11px;font-size:12.5px}.btn-block{width:100%}.alert{padding:10px 13px;border-radius:7px;font-size:13.5px;margin-top:14px}.alert-error{background:var(--color-danger-soft);color:var(--color-danger)}.alert-success{background:var(--color-success-soft);color:var(--color-success)}.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:650;text-transform:capitalize}.badge-active{background:var(--color-success-soft);color:var(--color-success)}.badge-invited{background:var(--color-warning-soft);color:var(--color-warning)}.badge-disabled,.badge-suspended{background:var(--color-danger-soft);color:var(--color-danger)}table{width:100%;border-collapse:collapse;font-size:13.5px}thead th{text-align:left;font-size:11.5px;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text-muted);font-weight:650;padding:0 12px 10px;border-bottom:1px solid var(--color-border)}tbody td{padding:12px;border-bottom:1px solid var(--color-border)}tbody tr:last-child td{border-bottom:none}tbody 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var(--color-border)}.inst-name-cell{display:flex;align-items:center;gap:10px}.inst-logo,.inst-logo-fallback{width:28px;height:28px;border-radius:7px;flex-shrink:0;border:1px solid var(--color-border)}.inst-logo{object-fit:cover}.inst-logo-fallback{display:flex;align-items:center;justify-content:center;background:var(--color-primary-soft);color:var(--color-primary);font-size:12.5px;font-weight:650;text-transform:uppercase}.logo-field-row{display:flex;align-items:center;gap:14px}.logo-field-row-input{flex:1}.logo-current-preview,.logo-current-fallback{width:48px;height:48px;border-radius:10px;flex-shrink:0;border:1px solid var(--color-border)}.logo-current-preview{object-fit:cover}.logo-current-fallback{display:flex;align-items:center;justify-content:center;background:var(--color-primary-soft);color:var(--color-primary);font-size:18px;font-weight:650;text-transform:uppercase}.background-current-preview,.background-current-fallback{width:96px;height:54px;border-radius:8px;flex-shrink:0;border:1px solid var(--color-border)}.background-current-preview{object-fit:cover}.background-current-fallback{display:flex;align-items:center;justify-content:center;background:var(--color-bg);color:var(--color-text-muted);font-size:11.5px;font-weight:600}.confirm-panel{margin-top:18px;padding:16px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:8px}.confirm-panel h3{margin:0 0 4px;font-size:14px}