*{box-sizing:border-box}:root{font-size:var(--font-size-root, 17px);--link-color: #60a5fa;--bg-page: #f5f5f5;--bg-card: #fff;--bg-subtle: #f8fafc;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--input-bg: #fff;--input-border: #ccc;--tab-bg: #f1f5f9;--tab-bg-hover: #cbd5e1;--tab-bg-open: #e2e8f0;--btn-bg: #ffffff;--btn-bg-hover: #f1f5f9;--btn-primary: #2563eb;--btn-primary-hover: #1d4ed8;--font-size-root: 17px;--font-size-root-mobile: 18px;--font-size-body: 1.2rem;--font-size-body-mobile: 1.22rem;--font-size-paragraph: 1em;--font-size-paragraph-mobile: 1.05em;--font-size-h1: 2.1rem;--font-size-h2: 1.6rem;--font-size-h3: 1.25rem;--font-size-h4: 1.1rem;--font-size-h5: .95rem;--font-size-h6: .8rem;--font-size-button: 1.1em;--font-size-button-small: .82rem;--font-size-input: 1.2em;--font-size-nav: 1em;--font-size-label: 1em;--font-size-muted: .875rem}:root.dark-mode{--link-color: #81a1c1;--bg-page: #0f172a;--bg-card: #1e293b;--bg-subtle: #334155;--border: #334155;--text: 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.past-due-amount{color:#fecaca}.schedule-excluded-callout{margin-top:1rem;padding:1rem;background:var(--bg-subtle);border:1px solid var(--border);border-radius:8px;color:var(--text)}.schedule-excluded-callout strong{color:var(--text)}.schedule-excluded-callout .schedule-excluded-line{margin:.25rem 0;color:var(--text)}.tabs{display:flex;gap:.5rem;margin-bottom:1rem}.tabs button{border-bottom:2px solid transparent;font-size:var(--font-size-button);background:var(--btn-bg)}.tabs button:not(:disabled):hover{background:var(--btn-bg-hover)}.tabs button.active{border-bottom-color:var(--link-color);font-weight:600;background:var(--tab-bg-open)}.tabs button.active:not(:disabled):hover{background:var(--tab-bg-hover)}.page-nav .btn,.page-nav button{font-size:var(--font-size-nav)}.error{color:#dc2626;font-size:.9rem;margin-top:.25rem}.success{color:#16a34a}a.btn{display:inline-block;text-decoration:none;color:inherit}a.btn:hover{text-decoration:none}.promotional-content{margin-bottom:1rem}.promotional-content p{margin:0 0 .5em}.promotional-content p:last-child{margin-bottom:0}.form-group input[type=checkbox]{width:1.25rem;height:1.25rem;min-width:1.25rem;margin:0 .5rem 0 0;cursor:pointer;flex-shrink:0}.form-group.checkbox-group{display:flex;align-items:center;justify-content:flex-start;gap:.5rem}.form-group.checkbox-group label{margin-bottom:0;cursor:pointer;order:1}.form-group.checkbox-group input[type=checkbox]{order:0}.message-item{background:#f8fafc;color:var(--text)}.message-item-unread{background:#eff6ff}:root.dark-mode .message-item{background:var(--bg-subtle)}:root.dark-mode .message-item-unread{background:#2563eb33}.badge-primary{font-size:.75rem;padding:2px 6px;border-radius:4px;background:#e0f2fe;color:#0369a1}:root.dark-mode .badge-primary{background:#0c4a6e;color:#7dd3fc}.status-notice-info,.status-notice-success{margin-top:.5rem;padding:.5rem .75rem;border-radius:6px;font-size:.875rem;font-weight:500}.status-notice-info{background:#eff6ff;color:#1e40af}.status-notice-success{background:#dcfce7;color:#166534}:root.dark-mode .status-notice-info{background:#1e3a8a;color:#93c5fd}:root.dark-mode .status-notice-success{background:#14532d;color:#bbf7d0}