:root{--font-family:"Inter", system-ui, -apple-system, sans-serif;--bg-primary:#f8fafc;--bg-secondary:#fff;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border-color:#e2e8f0;--primary:#dc2626;--primary-hover:#b91c1c;--primary-light:#fef2f2;--accent:#f59e0b;--accent-light:#fef3c7;--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--transition:all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;overflow-x:hidden}#root{flex-direction:column;width:100%;min-height:100vh;display:flex}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}button{cursor:pointer;background:0 0;border:none}a{color:inherit;text-decoration:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-secondary)}.login-page{background:linear-gradient(135deg,#0f172a 0%,#1e1b4b 100%);justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.login-card{-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-xl);width:100%;max-width:400px;box-shadow:var(--shadow-lg);color:#fff;text-align:center;background:#ffffff08;border:1px solid #ffffff14;padding:40px 30px;animation:.6s ease-out fadeIn}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-logo{letter-spacing:-.5px;background:linear-gradient(90deg,#f43f5e 0%,#fb7185 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:8px;font-size:28px;font-weight:700}.login-subtitle{color:#94a3b8;margin-bottom:32px;font-size:14px}.login-form .form-group{text-align:left;margin-bottom:20px}.login-form label{color:#cbd5e1;margin-bottom:6px;font-size:13px;font-weight:500;display:block}.login-form input{border-radius:var(--radius-md);color:#fff;width:100%;transition:var(--transition);background:#ffffff0d;border:1px solid #ffffff1a;padding:12px 16px;font-size:15px}.login-form input:focus{background:#ffffff14;border-color:#fb7185;outline:none;box-shadow:0 0 0 3px #f43f5e40}.login-btn{color:#fff;border-radius:var(--radius-md);width:100%;transition:var(--transition);background:linear-gradient(90deg,#e11d48 0%,#f43f5e 100%);margin-top:10px;padding:14px;font-weight:600;box-shadow:0 4px 12px #e11d484d}.login-btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px #e11d4866}.login-error{color:#f87171;border-radius:var(--radius-sm);text-align:center;background:#ef44441a;border:1px solid #ef444433;margin-bottom:20px;padding:10px;font-size:13px}.app-container{background-color:var(--bg-primary);flex-direction:column;min-height:100vh;display:flex}.header{background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:10;justify-content:space-between;align-items:center;padding:16px 20px;display:flex;position:sticky;top:0}.header-left{align-items:center;gap:16px;display:flex}.menu-toggle{flex-direction:column;gap:4px;padding:4px;display:flex}.menu-toggle span{background-color:var(--text-primary);border-radius:1px;width:18px;height:2px;display:block}.date-selector{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:6px;font-size:20px;font-weight:700;display:flex}.date-arrow{color:var(--accent);transition:var(--transition);font-size:10px}.header-right{align-items:center;gap:12px;display:flex}.btn-all-masters{background-color:var(--bg-tertiary);color:var(--text-secondary);transition:var(--transition);border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;font-weight:500;display:flex}.btn-all-masters:hover{background-color:var(--border-color)}.btn-filter,.btn-logout{background-color:var(--bg-tertiary);width:36px;height:36px;color:var(--text-secondary);transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;display:flex}.btn-filter:hover,.btn-logout:hover{background-color:var(--border-color);color:var(--text-primary)}.masters-row{grid-template-columns:80px repeat(var(--masters-count,3), 1fr);background-color:var(--bg-secondary);border-bottom:1px solid var(--border-color);z-index:9;align-items:center;padding:12px 0;display:grid;position:sticky;top:73px}.masters-row-spacer{justify-content:center;align-items:center;display:flex}.calendar-icon-btn{border-radius:var(--radius-sm);border:1.5px solid var(--accent);width:40px;height:40px;color:var(--accent);justify-content:center;align-items:center;display:flex}.master-header-card{text-align:center;flex-direction:column;align-items:center;gap:4px;display:flex}.master-avatar{object-fit:cover;border:2px solid var(--border-color);background-color:var(--bg-tertiary);border-radius:50%;width:42px;height:42px}.master-name{color:var(--text-secondary);font-size:13px;font-weight:600}.calendar-outer{background-color:var(--bg-secondary);flex:1;position:relative;overflow-y:auto}.calendar-grid-container{grid-template-columns:80px repeat(var(--masters-count,3), 1fr);min-height:1200px;display:grid;position:relative}.time-column{border-right:1px solid var(--border-color);background-color:var(--bg-secondary);-webkit-user-select:none;user-select:none;grid-template-rows:repeat(12,100px);display:grid}.time-slot-label{color:var(--text-muted);justify-content:center;align-items:flex-start;padding-top:6px;font-size:13px;font-weight:500;display:flex}.master-schedule-column{border-right:1px solid var(--border-color);background-size:100% 100px;background-image:linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);height:1200px;position:relative}.master-schedule-column:last-child{border-right:none}.stripe-pattern{border:1px dashed var(--border-color);border-radius:var(--radius-sm);pointer-events:none;background:repeating-linear-gradient(45deg,#f1f5f966,#f1f5f966 10px,#e2e8f066 10px 20px);position:absolute}.appointment-card{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);cursor:pointer;transition:var(--transition);-webkit-user-select:none;user-select:none;border-left:4px solid;flex-direction:column;gap:2px;padding:8px 12px;font-size:12px;display:flex;position:absolute;left:6px;right:6px;overflow:hidden}.appointment-card:hover{box-shadow:var(--shadow-md);filter:brightness(.97);transform:translateY(-1px)}.appointment-time-badge{opacity:.9;justify-content:space-between;align-items:center;font-size:11px;font-weight:700;display:inline-flex}.appointment-status-icon{font-size:10px}.appointment-customer{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:700;overflow:hidden}.appointment-phone{opacity:.8;font-weight:500}.appointment-service{white-space:nowrap;text-overflow:ellipsis;margin-top:2px;font-weight:500;overflow:hidden}.bottom-nav{background-color:var(--bg-secondary);border-top:1px solid var(--border-color);z-index:10;flex-direction:column;gap:12px;padding:12px 16px 24px;display:flex;position:sticky;bottom:0}.mini-calendar{border-radius:var(--radius-md);color:#a1a1aa;background-color:#18181b;grid-template-columns:repeat(7,1fr);padding:6px;display:grid}.mini-day-btn{border-radius:var(--radius-sm);transition:var(--transition);flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:8px 4px;font-size:11px;font-weight:500;display:flex}.mini-day-btn.active{background-color:var(--accent);color:#000;font-weight:700}.mini-day-name{text-transform:lowercase}.mini-day-number{font-size:14px;font-weight:600}.tab-bar{text-align:center;grid-template-columns:repeat(3,1fr);display:grid}.tab-btn{color:var(--text-muted);transition:var(--transition);flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:500;display:flex}.tab-btn.active{color:var(--text-primary);font-weight:600}.tab-icon{justify-content:center;align-items:center;height:24px;font-size:20px;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(8px);z-index:100;background-color:#0f172a66;justify-content:center;align-items:flex-end;animation:.2s ease-out fadeIn;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--bg-secondary);border-top-left-radius:var(--radius-xl);border-top-right-radius:var(--radius-xl);width:100%;max-width:500px;box-shadow:var(--shadow-lg);border:1px solid var(--border-color);max-height:90vh;padding:24px 20px 40px;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;overflow-y:auto}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-header{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.modal-title{color:var(--text-primary);font-size:18px;font-weight:700}.btn-close-modal{color:var(--text-muted);width:32px;height:32px;transition:var(--transition);border-radius:50%;justify-content:center;align-items:center;font-size:24px;display:flex}.btn-close-modal:hover{background-color:var(--bg-tertiary);color:var(--text-primary)}.modal-form{flex-direction:column;gap:16px;display:flex}.form-row-2{grid-template-columns:1fr 1fr;gap:12px;display:grid}.modal-form .form-group{flex-direction:column;gap:6px;display:flex}.modal-form label{color:var(--text-secondary);font-size:13px;font-weight:600}.modal-form input,.modal-form select,.modal-form textarea{border:1.5px solid var(--border-color);border-radius:var(--radius-md);background-color:var(--bg-secondary);width:100%;transition:var(--transition);padding:10px 14px;font-size:15px}.modal-form input:focus,.modal-form select:focus,.modal-form textarea:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #dc26261a}.color-picker-group{flex-wrap:wrap;gap:10px;margin-top:4px;display:flex}.color-option{cursor:pointer;width:32px;height:32px;transition:var(--transition);border:2px solid #0000;border-radius:50%}.color-option.selected{border-color:var(--text-primary);transform:scale(1.1)}.modal-actions{gap:12px;margin-top:10px;display:flex}.btn-submit-appointment{background-color:var(--primary);color:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition);flex:2;padding:12px;font-weight:600}.btn-submit-appointment:hover{background-color:var(--primary-hover)}.btn-delete-appointment{background-color:var(--primary-light);color:var(--primary);border-radius:var(--radius-md);transition:var(--transition);flex:1;padding:12px;font-weight:600}.btn-delete-appointment:hover{background-color:#fee2e2}.placeholder-page{text-align:center;max-width:600px;margin:0 auto;padding:40px 20px;animation:.4s ease-out fadeIn}.placeholder-page h2{margin-bottom:12px;font-size:22px}.placeholder-page p{color:var(--text-secondary);margin-bottom:24px}.placeholder-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);text-align:left;padding:24px}.stat-grid{grid-template-columns:repeat(2,1fr);gap:16px;margin-top:16px;display:grid}.stat-card{background-color:var(--bg-tertiary);border-radius:var(--radius-md);text-align:center;padding:16px}.stat-value{color:var(--primary);font-size:24px;font-weight:700}.stat-label{color:var(--text-secondary);margin-top:4px;font-size:12px}@media (width>=768px){.app-container{border-left:1px solid var(--border-color);border-right:1px solid var(--border-color);max-width:1200px;box-shadow:var(--shadow-lg);margin:0 auto}.modal-overlay{align-items:center}.modal-content{border-radius:var(--radius-xl);padding:30px}.bottom-nav{padding:16px 24px}}@media (width<=480px){.masters-row{grid-template-columns:60px repeat(var(--masters-count,3), 110px);overflow-x:auto}.calendar-grid-container{grid-template-columns:60px repeat(var(--masters-count,3), 110px);width:max-content}.calendar-outer{overflow-x:auto}.time-column{z-index:2;position:sticky;left:0;box-shadow:2px 0 5px #0000000d}.masters-row-spacer{background-color:var(--bg-secondary);z-index:2;position:sticky;left:0;box-shadow:2px 0 5px #0000000d}}