.bottom-nav{position:fixed;bottom:0;left:0;right:0;display:flex;background:#1a1a6c;border-top:1px solid rgba(255,255,255,.15);z-index:1000;height:60px}.bn-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#ffffff8c;text-decoration:none;font-size:11px;gap:2px;transition:color .2s}.bn-tab.active,.bn-tab:hover{color:#fff}.bn-icon{font-size:20px;line-height:1}.bn-label{font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:.5px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,sans-serif;background:#f5f5f5;color:#333}.app-layout{min-height:100vh;display:flex;flex-direction:column}.app-content{flex:1}.page{padding:20px;max-width:900px;margin:0 auto}.page h2{font-size:20px;margin-bottom:16px;color:#1a1a6c}.page h3{font-size:16px;margin:20px 0 10px;color:#444}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a1a6c,#2d2d8a)}.login-card{background:#fff;padding:40px;border-radius:12px;width:360px;text-align:center}.login-card h1{color:#1a1a6c;font-size:28px}.login-subtitle{color:#666;margin-bottom:24px}.login-card input,.login-card select{width:100%;padding:12px;margin-bottom:12px;border:1px solid #ddd;border-radius:8px;font-size:14px}.login-card button{width:100%;padding:12px;background:#1a1a6c;color:#fff;border:none;border-radius:8px;font-size:16px;cursor:pointer}.login-card button:disabled{opacity:.6}.login-error{color:#d32f2f;font-size:13px;margin-bottom:8px}.pay-form input,.pay-form select,.pay-form textarea{width:100%;padding:10px;margin-bottom:12px;border:1px solid #ddd;border-radius:8px;font-size:14px}.pay-form button{width:100%;padding:12px;background:#1a1a6c;color:#fff;border:none;border-radius:8px;font-size:16px;cursor:pointer}.pay-form button:disabled{opacity:.6}.form-msg{margin-top:12px;padding:10px;background:#e8f5e9;border-radius:6px;text-align:center}.kpi-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.kpi-card{background:#fff;border-radius:10px;padding:16px;box-shadow:0 1px 4px #00000014}.kpi-value{display:block;font-size:22px;font-weight:700;color:#1a1a6c}.kpi-label{display:block;font-size:12px;color:#888;margin-top:4px;text-transform:uppercase;letter-spacing:.5px}.method-breakdown{background:#fff;border-radius:10px;padding:12px;box-shadow:0 1px 4px #00000014}.method-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px}.method-row:last-child{border-bottom:none}.method-name{font-weight:500}.method-count{color:#888}.method-amount{font-weight:600;color:#1a1a6c}.recent-list{background:#fff;border-radius:10px;padding:12px;box-shadow:0 1px 4px #00000014}.recent-row{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid #f0f0f0;font-size:14px}.recent-row:last-child{border-bottom:none}.recent-student{font-weight:500}.recent-amount{font-weight:600}.recent-method{color:#888}.filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}.filters select,.filters input{padding:8px;border:1px solid #ddd;border-radius:6px;font-size:14px}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 4px #00000014}.table th{background:#1a1a6c;color:#fff;padding:10px 8px;text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.5px}.table td{padding:8px;border-bottom:1px solid #f0f0f0;font-size:13px}.table tfoot td{font-weight:600;background:#f9f9f9}.table tr.reversed{opacity:.5;text-decoration:line-through}.pagination{display:flex;justify-content:center;align-items:center;gap:12px;margin-top:16px}.pagination button{padding:6px 16px;border:1px solid #ddd;border-radius:6px;cursor:pointer;background:#fff}.pagination button:disabled{opacity:.4;cursor:default}.statement-summary{margin-top:16px;padding:16px;background:#fff;border-radius:10px;box-shadow:0 1px 4px #00000014;text-align:center;font-size:16px}.btn-small{padding:4px 10px;font-size:12px;border:none;border-radius:4px;cursor:pointer}.btn-danger{background:#d32f2f;color:#fff}.btn-small:disabled{opacity:.5;cursor:default}.table tr.unpaid-row{background:#fff8f8}.table tr.cashback-row{background:#fff8e1}