:root{--green-primary: #5B8C5A;--green-dark: #3D6B3C;--green-light: #E8F0E8;--green-accent: #7BAE7A;--bg: #F5F7F5;--card: #FFFFFF;--text: #2C3E2C;--text-light: #6B7B6B;--border: #DDE5DD;--danger: #D9534F;--warning: #F0AD4E;--success: #5CB85C;--bonus: #E8A838;--bonus-light: #FFF6E5;--radius: 12px;--radius-sm: 8px;--shadow: 0 2px 8px rgba(61, 107, 60, .08);--shadow-lg: 0 4px 20px rgba(61, 107, 60, .12);--bottom-nav-height: 64px;--header-height: 60px}*{margin:0;padding:0;box-sizing:border-box}button,a,.nav-item,input,textarea,select,label{-webkit-tap-highlight-color:transparent}button,a,.nav-item{touch-action:manipulation}html,body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh;min-height:100dvh}#root{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}button{font-family:inherit;cursor:pointer;border:none;background:none;font-size:inherit}input,textarea,select{font-family:inherit;font-size:16px;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);width:100%;background:var(--card);color:var(--text);transition:border-color .2s}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--green-primary)}textarea{resize:vertical;min-height:80px}a{color:var(--green-primary);text-decoration:none}.app-layout{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;max-width:480px;margin:0 auto;background:var(--bg);position:relative}.app-header{position:sticky;top:0;z-index:100;background:linear-gradient(135deg,var(--green-primary),var(--green-dark));color:#fff;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow);min-height:var(--header-height)}body.vk-native .app-header{padding-top:38px}.app-header .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px}.app-header .logo-icon{width:36px;height:36px;background:#fff3;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:20px}.app-content{flex:1;padding:16px;padding-bottom:calc(var(--bottom-nav-height) + env(safe-area-inset-bottom,0px) + 32px);overflow-y:auto;overflow-x:hidden;-webkit-overflow-scrolling:touch}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;background:var(--card);border-top:1px solid var(--border);display:flex;justify-content:space-around;align-items:stretch;height:var(--bottom-nav-height);z-index:100;padding:0 4px env(safe-area-inset-bottom,0) 4px;box-shadow:0 -2px 10px #0000000d}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 4px;color:var(--text-light);font-size:10px;font-weight:500;transition:color .2s;border-radius:var(--radius-sm);flex:1;min-width:0;white-space:nowrap;overflow:hidden}.nav-item.active{color:var(--green-primary)}.nav-item .nav-icon{font-size:20px;line-height:1}@media (min-width: 480px){.nav-item{font-size:11px;padding:6px 12px}.nav-item .nav-icon{font-size:22px}}@media (max-width: 360px){:root{--header-height: 52px;--bottom-nav-height: 58px;--radius: 10px}.app-header{padding:8px 12px}.app-header .logo{font-size:16px}.app-header .logo-icon{width:30px;height:30px;font-size:17px}.app-content{padding:12px}input,textarea,select{padding:10px 12px;font-size:15px}.btn{padding:11px 14px;font-size:14px}.nav-item{font-size:9px}}@media (max-height: 500px) and (orientation: landscape){:root{--header-height: 44px;--bottom-nav-height: 50px}.app-content{padding:10px 16px}}.top-tabs{display:flex;flex-wrap:wrap;background:var(--card);border-bottom:1px solid var(--border);padding:0 8px}.top-tab{padding:12px 14px;color:var(--text-light);font-weight:500;font-size:14px;white-space:nowrap;border-bottom:2px solid transparent;transition:all .2s}.top-tab.active{color:var(--green-primary);border-bottom-color:var(--green-primary)}.card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow)}.card-title{font-size:16px;font-weight:600;margin-bottom:12px;display:flex;align-items:center;gap:8px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;transition:all .2s;width:100%}.btn-primary{background:var(--green-primary);color:#fff}.btn-primary:hover{background:var(--green-dark)}.btn-primary:disabled{background:var(--border);cursor:not-allowed;opacity:.7}.btn-secondary{background:var(--green-light);color:var(--green-dark)}.btn-danger{background:var(--danger);color:#fff}.btn-outline{background:transparent;border:1.5px solid var(--green-primary);color:var(--green-primary)}.btn-sm{padding:8px 14px;font-size:13px;width:auto}.btn-bonus{background:var(--bonus);color:#fff}.bonus-badge{display:inline-flex;align-items:center;gap:6px;background:var(--bonus-light);color:#b8860b;padding:6px 12px;border-radius:20px;font-weight:600;font-size:14px}.bonus-big{background:linear-gradient(135deg,#f0c040,#e8a838);color:#fff;padding:20px;border-radius:var(--radius);text-align:center;margin-bottom:12px}.bonus-big .amount{font-size:36px;font-weight:700}.bonus-big .label{font-size:14px;opacity:.9}.service-card{background:var(--card);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:8px}.service-card .service-name{font-size:16px;font-weight:600}.service-card .service-desc{color:var(--text-light);font-size:14px}.service-card .service-price{font-size:20px;font-weight:700;color:var(--green-dark)}.service-card .service-meta{display:flex;gap:8px;flex-wrap:wrap}.tag{display:inline-block;padding:3px 10px;border-radius:12px;font-size:12px;font-weight:500}.tag-sub{background:#e3f2fd;color:#1565c0}.tag-prepay{background:#fff3e0;color:#e65100}.tag-sessions{background:#f3e5f5;color:#7b1fa2}.form-group{margin-bottom:16px}.form-group label{display:block;font-weight:500;margin-bottom:6px;font-size:14px;color:var(--text)}.form-hint{font-size:12px;color:var(--text-light);margin-top:4px}.payment-row{display:flex;justify-content:space-between;padding:8px 0;font-size:15px}.payment-row.total{border-top:1px solid var(--border);margin-top:8px;padding-top:12px;font-weight:700;font-size:18px}.bonus-input-row{display:flex;gap:8px;align-items:center}.bonus-input-row input{flex:1}.admin-section{margin-bottom:20px}.admin-tabs{display:flex;flex-wrap:wrap;gap:6px;padding:6px 0 10px;margin:0 0 12px;position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--border)}.admin-tab{padding:7px 11px;border-radius:12px;background:var(--card);color:var(--text-light);font-weight:500;font-size:12px;white-space:nowrap;flex:1 1 auto;justify-content:center;display:inline-flex;align-items:center;line-height:1.2;border:1px solid var(--border);transition:all .15s;min-height:30px}.admin-tab:hover{border-color:var(--green-accent);color:var(--green-dark)}.admin-tab.active{background:var(--green-primary);color:#fff;border-color:var(--green-dark)}@media (min-width: 768px){.admin-tabs{gap:8px;padding:8px 0 12px;margin:0 0 16px}.admin-tab{padding:7px 14px;font-size:13px;min-height:32px;flex:0 1 auto}}.client-item{display:flex;align-items:center;gap:12px;padding:12px;background:var(--card);border-radius:var(--radius);margin-bottom:8px;box-shadow:var(--shadow)}.client-avatar{width:44px;height:44px;border-radius:50%;background:var(--green-light);display:flex;align-items:center;justify-content:center;font-weight:600;color:var(--green-dark);font-size:16px;overflow:hidden;flex-shrink:0}.client-avatar img{width:100%;height:100%;object-fit:cover}.client-info{flex:1;min-width:0}.client-name{font-weight:600;font-size:15px}.client-meta{font-size:12px;color:var(--text-light)}.lesson-card{background:var(--card);border-radius:var(--radius);padding:14px;margin-bottom:10px;box-shadow:var(--shadow);border-left:4px solid var(--green-primary)}.lesson-card.missed{border-left-color:var(--danger);opacity:.7}.lesson-card.completed{border-left-color:var(--success)}.lesson-date{font-size:13px;color:var(--text-light)}.lesson-title{font-weight:600;margin:4px 0}.recommendation-box{background:var(--green-light);border-radius:var(--radius-sm);padding:12px;margin-top:8px;border-left:3px solid var(--green-primary)}.recommendation-box.unread{background:#fff8e1;border-left-color:var(--bonus)}.recommendation-label{font-size:12px;font-weight:600;color:var(--green-dark);margin-bottom:4px}.unread-badge{display:inline-block;background:var(--danger);color:#fff;font-size:10px;padding:2px 6px;border-radius:10px;margin-left:6px}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:16px}.calendar-day-header{text-align:center;font-size:12px;font-weight:600;color:var(--text-light);padding:8px 0}.calendar-day{aspect-ratio:1;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:14px;cursor:pointer;position:relative}.calendar-day.today{background:var(--green-light);font-weight:700;color:var(--green-dark)}.calendar-day.has-lesson{background:var(--green-primary);color:#fff;font-weight:600}.calendar-day.selected{outline:2px solid var(--green-dark);outline-offset:-2px}.calendar-day.empty{cursor:default}.chat-container{display:flex;flex-direction:column;height:calc(100vh - var(--header-height) - var(--bottom-nav-height) - 32px)}.chat-messages{flex:1;overflow-y:auto;padding:8px 0}.chat-bubble{max-width:80%;padding:10px 14px;border-radius:16px;margin-bottom:8px;font-size:14px;word-wrap:break-word}.chat-bubble.sent{background:var(--green-primary);color:#fff;margin-left:auto;border-bottom-right-radius:4px}.chat-bubble.received{background:var(--card);box-shadow:var(--shadow);border-bottom-left-radius:4px}.chat-time{font-size:11px;opacity:.7;margin-top:4px}.chat-input-bar{display:flex;gap:8px;padding:8px 0;background:var(--bg)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:flex-end;justify-content:center;z-index:200}.modal-content{background:var(--card);border-radius:var(--radius) var(--radius) 0 0;padding:20px;width:100%;max-width:480px;max-height:85vh;max-height:85dvh;overflow-y:auto;-webkit-overflow-scrolling:touch;padding-bottom:calc(20px + env(safe-area-inset-bottom,0px))}.modal-title{font-size:18px;font-weight:700;margin-bottom:16px}.questionnaire{max-width:480px;margin:0 auto;padding:20px 16px}.questionnaire h1{font-size:24px;margin-bottom:8px;color:var(--green-dark)}.questionnaire p{color:var(--text-light);margin-bottom:20px}.stats-row{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:12px}.stat-card{background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);text-align:center}.stat-card .stat-value{font-size:24px;font-weight:700;color:var(--green-dark)}.stat-card .stat-label{font-size:12px;color:var(--text-light);margin-top:2px}.empty-state{text-align:center;padding:40px 20px;color:var(--text-light)}.empty-state .empty-icon{font-size:48px;margin-bottom:12px}.toast{position:fixed;bottom:calc(var(--bottom-nav-height) + 16px);left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:12px 20px;border-radius:var(--radius-sm);z-index:300;font-size:14px;box-shadow:var(--shadow-lg);max-width:90%;text-align:center;animation:slideUp .3s ease}.toast.success{background:var(--success)}.toast.error{background:var(--danger)}@keyframes slideUp{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:var(--text-light)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--green-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.referral-box{background:linear-gradient(135deg,var(--green-light),#D4E8D4);border-radius:var(--radius);padding:16px;text-align:center}.referral-code{font-size:24px;font-weight:700;letter-spacing:3px;color:var(--green-dark);background:#fff;padding:10px 20px;border-radius:var(--radius-sm);display:inline-block;margin:8px 0}.photo-upload{width:120px;height:120px;border-radius:50%;border:2px dashed var(--border);display:flex;align-items:center;justify-content:center;overflow:hidden;margin:0 auto 12px;background:var(--bg);cursor:pointer}.photo-upload img{width:100%;height:100%;object-fit:cover}.photo-upload .photo-placeholder{color:var(--text-light);font-size:36px}.promo-input-wrapper{position:relative}.promo-input-wrapper input{letter-spacing:4px;text-transform:uppercase;font-weight:600}.pay-method{display:flex;align-items:center;padding:12px;border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .2s;font-size:14px}.pay-method:hover{border-color:var(--green-accent)}.pay-method.selected{border-color:var(--green-primary);background:var(--green-light)}.pay-method input[type=radio]{accent-color:var(--green-primary);width:18px;height:18px}.sessions-badge{display:inline-flex;align-items:center;gap:4px;background:#f3e5f5;color:#7b1fa2;padding:4px 10px;border-radius:12px;font-size:13px;font-weight:600}@media (min-width: 768px){.app-layout,.bottom-nav{max-width:720px}.modal-content{max-width:720px;border-radius:var(--radius);margin-bottom:40px}.stats-row{grid-template-columns:repeat(4,1fr)}.services-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.service-card{margin-bottom:0}}@media (min-width: 1024px){.app-layout{max-width:none;margin:0;display:grid;grid-template-columns:240px 1fr;grid-template-rows:auto 1fr;grid-template-areas:"sidebar header" "sidebar content";min-height:100vh;height:100vh;overflow:hidden;box-shadow:none}.app-header{grid-area:header;position:static;padding:16px 32px;min-height:64px}.app-content{grid-area:content;padding:24px 32px 32px;overflow-y:auto;max-width:1280px;width:100%}.bottom-nav{grid-area:sidebar;position:static;transform:none;width:100%;max-width:none;height:100%;flex-direction:column;justify-content:flex-start;align-items:stretch;gap:4px;padding:20px 12px;border-top:none;border-right:1px solid var(--border);box-shadow:2px 0 8px #0000000a;background:var(--card)}.nav-item{flex-direction:row;justify-content:flex-start;gap:12px;padding:12px 16px;font-size:14px;border-radius:var(--radius-sm);text-align:left;white-space:nowrap}.nav-item .nav-icon{font-size:22px}.stats-row{grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{padding:20px}.stat-card .stat-value{font-size:32px}.services-grid{grid-template-columns:repeat(3,1fr);gap:16px}.bonus-big{padding:28px}.bonus-big .amount{font-size:44px}.card{padding:20px}.chat-container{height:calc(100vh - 112px);max-width:900px;margin:0 auto}.modal-overlay{align-items:center}.modal-content{max-width:560px;border-radius:var(--radius);margin-bottom:0;max-height:80vh}.questionnaire{max-width:640px}.admin-tabs{justify-content:flex-start;flex-wrap:wrap;overflow:visible;position:static;margin:0 0 20px;padding:0;background:transparent;border-bottom:none}.admin-tab{padding:8px 18px;font-size:14px;min-height:36px}.admin-clients-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:12px}}@media (min-width: 1440px){.app-content{max-width:1400px}.services-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 1200px){.cabinet-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}.cabinet-grid>*{margin-bottom:0}.cabinet-grid .bonus-big,.cabinet-grid .stats-row,.cabinet-grid .card-full{grid-column:1 / -1}}