:root{--teal: #0F766E;--teal-dark: #115E59;--teal-soft: #CCFBF1;--bg: #F4F6F7;--card: #FFFFFF;--text: #14201F;--text-soft: #6B7B7A;--border: #E6EBEA;--radius: 16px;--shadow: 0 2px 10px rgba(16, 40, 38, .06)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app{max-width:440px;margin:0 auto;min-height:100vh;background:var(--bg);display:flex;flex-direction:column;position:relative;box-shadow:0 0 40px #0000000d}.topbar{height:56px;display:flex;align-items:center;gap:10px;padding:0 18px;background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.logo-dot{width:14px;height:14px;border-radius:50%;background:var(--teal)}.logo-text{font-weight:700;font-size:18px;letter-spacing:.2px}.content{flex:1;overflow-y:auto;padding-bottom:84px}.screen{padding:16px}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--border)}.profile-card{display:flex;align-items:center;gap:14px;padding:18px;margin-bottom:22px}.profile-info{display:flex;flex-direction:column;gap:5px}.profile-name{font-size:18px;font-weight:700}.profile-phone{color:var(--text-soft);font-size:14px}.badge{align-self:flex-start;background:var(--teal);color:#fff;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}.avatar{flex:none;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--teal-dark));color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}.add-home-btn{width:100%;margin-bottom:22px}.demo-banner{background:#fff7ed;border:1px solid #FED7AA;color:#9a3412;font-size:13px;padding:10px 12px;border-radius:12px;margin-bottom:16px}.empty-note{padding:16px;color:var(--text-soft);font-size:14px}.section-title{font-size:14px;font-weight:700;color:var(--text-soft);text-transform:uppercase;letter-spacing:.6px;margin:0 4px 10px}.children-list{display:flex;flex-direction:column;gap:12px}.child-card{display:flex;align-items:center;gap:13px;padding:14px}.child-info{flex:1;display:flex;flex-direction:column;gap:7px}.child-name{font-weight:600;font-size:16px}.child-meta{display:flex;gap:8px;flex-wrap:wrap}.chip{font-size:12px;font-weight:600;padding:3px 9px;border-radius:8px;background:var(--teal-soft);color:var(--teal-dark)}.chip-soft{background:#eef2f1;color:var(--text-soft)}.chevron{color:#c2cccb;font-size:26px;line-height:1}.placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;min-height:60vh;gap:10px}.placeholder-icon{font-size:52px}.placeholder-title{font-size:19px;font-weight:700}.placeholder-text{color:var(--text-soft);max-width:240px}.back-link{background:none;border:none;color:var(--teal);font-size:15px;font-weight:600;padding:0 0 12px;cursor:pointer}.trainer-row{width:100%;text-align:left;cursor:pointer;align-items:center;justify-content:space-between}.day-list{display:flex;flex-wrap:wrap;gap:10px}.day-chip{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:10px 14px;display:flex;flex-direction:column;align-items:center;gap:2px;cursor:pointer;box-shadow:var(--shadow);min-width:64px}.day-wd{font-size:12px;color:var(--text-soft);font-weight:600}.day-chip-on{background:var(--teal);border-color:var(--teal)}.day-chip-on .day-dm{color:#fff}.day-dm{font-size:15px;font-weight:700}.slot-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}.slot{border-radius:14px;padding:12px 8px;display:flex;flex-direction:column;align-items:center;gap:3px;border:1px solid var(--border)}.slot-time{font-size:16px;font-weight:700}.slot-price{font-size:12px}.slot-free{background:var(--teal-soft);border-color:#99f6e4}.slot-free .slot-time,.slot-free .slot-price{color:var(--teal-dark)}.slot-selected{background:var(--teal);border-color:var(--teal)}.slot-selected .slot-time,.slot-selected .slot-price{color:#fff}.slot-taken{background:#f1f3f2}.slot-taken .slot-time{color:#9aa5a4;text-decoration:line-through}.slot-taken .slot-price{color:#9aa5a4}.child-bar{display:flex;align-items:center;justify-content:space-between;background:var(--teal-soft);color:var(--teal-dark);border-radius:12px;padding:10px 14px;font-size:14px;margin-bottom:14px}.day-actions{display:flex;flex-direction:column;gap:10px;margin-top:16px}.legend{display:flex;gap:18px;margin-top:16px;font-size:13px;color:var(--text-soft)}.legend span{display:flex;align-items:center;gap:6px}.dot{width:12px;height:12px;border-radius:50%;display:inline-block}.dot-free{background:var(--teal)}.dot-taken{background:#c4cdcc}.avail-form{padding:15px;display:flex;flex-direction:column;gap:10px;margin-bottom:16px}.avail-label{display:flex;flex-direction:column;gap:5px;font-size:13px;color:var(--text-soft);font-weight:600}.avail-label .search-input{margin-bottom:0}.avail-row{display:flex;gap:10px}.avail-row .avail-label{flex:1}.cab-group{font-size:13px;font-weight:700;color:var(--teal-dark);text-transform:uppercase;letter-spacing:.5px;margin:18px 4px 8px}.confirm-buttons{display:flex;gap:8px;margin-top:4px}.confirm-buttons .btn-primary,.confirm-buttons .btn-cancel{flex:1;padding:10px}.camp-card{padding:16px;display:flex;flex-direction:column;gap:6px;margin-bottom:18px}.camp-name{font-size:18px;font-weight:700}.camp-meta{font-size:14px;color:var(--text-soft)}.camp-desc{font-size:14px;margin-top:4px}.lecture-card{padding:14px;display:flex;flex-direction:column;gap:8px}.lecture-head{font-weight:700;font-size:16px}.invoice-card{padding:15px;display:flex;flex-direction:column;gap:7px}.invoice-head{display:flex;align-items:baseline;justify-content:space-between}.invoice-type,.invoice-amount{font-weight:700;font-size:16px}.invoice-child{font-size:13px;color:var(--text-soft)}.invoice-desc{font-size:14px;color:var(--text-soft)}.invoice-status{align-self:flex-start;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px}.status-unpaid,.status-rejected{background:#fef2f2;color:#b91c1c}.status-pending{background:#fff7ed;color:#9a3412}.status-paid{background:var(--teal-soft);color:var(--teal-dark)}.invoice-reject{font-size:13px;color:#b91c1c}.invoice-pay{margin-top:4px}.segmented{display:flex;background:#eaefee;border-radius:12px;padding:4px;margin-bottom:16px}.seg-btn{flex:1;border:none;background:none;padding:9px;border-radius:9px;font-size:14px;font-weight:600;color:var(--text-soft);cursor:pointer}.seg-active{background:var(--card);color:var(--teal-dark);box-shadow:var(--shadow)}.lesson-card{display:flex;align-items:center;gap:12px;padding:14px}.lesson-info{flex:1;display:flex;flex-direction:column;gap:7px}.lesson-when{font-weight:700;font-size:15px}.lesson-kids{font-size:14px;color:var(--text-soft)}.btn-cancel{flex:none;border:1px solid #FCA5A5;background:#fef2f2;color:#b91c1c;border-radius:10px;padding:8px 12px;font-size:13px;font-weight:600;cursor:pointer}.cancel-note{border-radius:12px;padding:11px 13px;font-size:14px;margin-bottom:14px}.note-ok{background:var(--teal-soft);color:var(--teal-dark)}.note-late{background:#fff7ed;color:#9a3412;border:1px solid #FED7AA}.btn-cancel-confirm{padding:14px;border:none;border-radius:12px;background:#dc2626;color:#fff;font-size:15px;font-weight:700;cursor:pointer}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#10201f73;display:flex;align-items:flex-end;justify-content:center;z-index:50}.modal{background:var(--card);width:100%;max-width:440px;border-radius:20px 20px 0 0;padding:20px 18px calc(20px + env(safe-area-inset-bottom));max-height:85vh;overflow-y:auto}.modal-title{font-size:17px;font-weight:700}.modal-sub{color:var(--text-soft);font-size:14px;margin-top:4px;margin-bottom:14px}.modal-close{width:100%;margin-top:16px;padding:12px;border:1px solid var(--border);background:var(--card);border-radius:12px;font-size:15px;font-weight:600;color:var(--text-soft);cursor:pointer}.search-input{width:100%;padding:11px 13px;border:1px solid var(--border);border-radius:12px;font-size:15px;margin-bottom:12px;outline:none}.search-input:focus{border-color:var(--teal)}.picker-list{display:flex;flex-direction:column;gap:8px;max-height:46vh;overflow-y:auto}.picker-row{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;padding:13px 14px;border:1px solid var(--border);border-radius:12px;background:var(--card);font-size:15px;font-weight:600;cursor:pointer}.picker-on{background:var(--teal-soft);border-color:var(--teal)}.mode-child{font-size:16px;font-weight:700;margin:8px 0 14px}.mode-buttons{display:flex;flex-direction:column;gap:10px}.btn-primary{padding:14px;border:none;border-radius:12px;background:var(--teal);color:#fff;font-size:15px;font-weight:700;cursor:pointer}.btn-secondary{padding:14px;border:1px solid var(--teal);border-radius:12px;background:var(--teal-soft);color:var(--teal-dark);font-size:15px;font-weight:700;cursor:pointer}.slot-config{display:flex;flex-direction:column;gap:10px;margin:8px 0 12px}.config-row{display:flex;align-items:center;justify-content:space-between;gap:10px}.config-time{font-weight:700;font-size:16px;min-width:52px}.config-solo{color:var(--text-soft);font-size:14px}.mini-seg{display:flex;gap:6px}.mini-btn{border:1px solid var(--border);background:var(--card);border-radius:9px;padding:7px 11px;font-size:13px;font-weight:600;color:var(--text-soft);cursor:pointer}.mini-active{background:var(--teal);border-color:var(--teal);color:#fff}.pair-hint{font-size:13px;color:var(--text-soft);margin-bottom:8px}.config-total{font-size:15px;margin-bottom:14px}.toast{position:fixed;bottom:84px;left:50%;transform:translate(-50%);background:#14201f;color:#fff;padding:11px 18px;border-radius:999px;font-size:14px;font-weight:600;z-index:60;box-shadow:0 4px 14px #00000040}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:440px;height:68px;background:var(--card);border-top:1px solid var(--border);display:flex;padding-bottom:env(safe-area-inset-bottom)}.nav-item{flex:1;border:none;background:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-soft);font-size:11px;font-weight:600;transition:color .15s}.nav-icon{font-size:20px;filter:grayscale(.4);opacity:.7}.nav-item.active{color:var(--teal)}.nav-item.active .nav-icon{filter:none;opacity:1}