:root{--bg: #f6f7fb;--surface: #ffffff;--border: #e6e8f0;--text: #1f2430;--muted: #6b7280;--primary: #4f46e5;--primary-hover: #4338ca;--accent: #4f46e5;--success: #16a34a;--warn: #d97706;--danger: #dc2626;--radius: 12px;--shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--text);font-size:15px;line-height:1.5}a{color:var(--primary)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 16px;display:flex;align-items:center;gap:16px;height:56px;position:sticky;top:0;z-index:10}.topbar .brand{font-weight:700;font-size:16px;color:var(--primary)}.topbar nav{display:flex;gap:4px;flex:1;overflow-x:auto}.topbar nav a{padding:8px 12px;border-radius:8px;text-decoration:none;color:var(--muted);white-space:nowrap;font-weight:500}.topbar nav a.active{background:#eef2ff;color:var(--primary);box-shadow:inset 0 -2px 0 var(--accent)}.topbar .brand-logo{display:block;max-height:32px;width:auto}.topbar .spacer{flex:1}.content{width:100%;max-width:960px;margin:0 auto;padding:24px 16px 48px}.page-title{margin:0 0 4px;font-size:22px}.page-subtitle{margin:0 0 20px;color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card+.card{margin-top:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:16px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.stat .label{color:var(--muted);font-size:13px;margin-bottom:6px}.stat .value{font-size:24px;font-weight:700}.stat 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.brand{color:var(--primary);font-weight:700;font-size:20px;margin-bottom:4px}.auth-links{margin-top:14px;display:flex;justify-content:space-between;font-size:14px}.alert{border-radius:8px;padding:10px 12px;font-size:14px;margin:12px 0}.alert.error{background:#fef2f2;color:var(--danger);border:1px solid #fecaca}.alert.success{background:#f0fdf4;color:var(--success);border:1px solid #bbf7d0}.alert.info{background:#eff6ff;color:#1d4ed8;border:1px solid #bfdbfe}.alert.warning{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.muted{color:var(--muted)}.terms-panel{margin:12px 0}.link-button{background:none;border:none;padding:0;margin:0;font:inherit;color:var(--primary);text-decoration:underline;cursor:pointer}.link-button:hover{background:none;color:var(--primary-hover)}.terms-box{max-height:60vh;overflow-y:auto;font-size:14px;line-height:1.6;white-space:pre-wrap;word-break:break-word}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:16px;background:#10182880}.modal-dialog{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 10px 25px #1018282e;width:100%;max-width:560px;max-height:85vh;display:flex;flex-direction:column}.modal-dialog:focus{outline:none}.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--border)}.modal-title{margin:0;font-size:17px;font-weight:700}.modal-close{background:none;border:none;color:var(--muted);font-size:24px;line-height:1;padding:0 4px;cursor:pointer}.modal-close:hover{background:none;color:var(--primary)}.modal-body{padding:16px 18px;overflow-y:auto}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:#eef2ff;color:var(--primary)}.badge.pending{background:#fffbeb;color:var(--warn)}.badge.paid{background:#f0fdf4;color:var(--success)}.badge.failed,.badge.rejected{background:#fef2f2;color:var(--danger)}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:13px}.row-actions{display:flex;gap:8px;align-items:center}.copy-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;background:#f3f4f6;border:1px solid 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textarea{flex:1;resize:vertical;min-height:44px}.chart-wrap{position:relative;width:100%;height:160px}.chart{width:100%;height:160px;display:block}.chart-label{fill:var(--muted);font-size:11px;font-family:inherit}.chart-hit{position:absolute;transform:translate(-50%);background:transparent;cursor:pointer}.chart-tooltip{position:absolute;transform:translate(-50%,6px);background:#1f2533;color:#fff;font-size:11px;line-height:1.35;padding:6px 9px;border-radius:6px;white-space:nowrap;pointer-events:none;box-shadow:0 2px 8px #0000002e;z-index:2}.chart-tooltip-date{font-weight:700;margin-bottom:2px}.chart-tooltip-row{opacity:.85}.empty{text-align:center;color:var(--muted);padding:28px 12px}.center{display:flex;align-items:center;justify-content:center;min-height:60vh}@media (max-width: 600px){.auth-links{flex-direction:column;gap:8px}}