:root{--background-color: #000000;--surface-color: #141414;--primary-color: #e50914;--primary-color-hover: #f6121d;--secondary-button-color: #333;--secondary-button-hover: #444;--text-color: #ffffff;--text-secondary-color: #a0a0a0;--border-color: #282828;--error-color: #ff4d4d;--success-color: #4caf50;--archive-color: #36a2eb;--warning-bg-color: rgba(255, 165, 0, .1);--warning-border-color: #ffa500}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background-color:var(--background-color);color:var(--text-color);line-height:1.6}#root{max-width:1200px;margin:2rem auto;padding:1rem}.app-logo{object-fit:contain}.login-container header .app-logo,.agreement-container header .app-logo{width:80px;height:80px;margin-bottom:1rem}.main-header .app-logo{width:40px;height:40px;margin-right:1rem;flex-shrink:0;overflow:hidden;position:relative;display:flex;justify-content:center;align-items:center;background-color:#ccc;border-radius:6px;padding:5px;border:1px solid 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var(--archive-color)}.exercise-item-editor{display:flex;flex-direction:column;gap:1rem}.editor-row{display:flex;gap:1rem;align-items:center;flex-wrap:wrap}.editor-row-main{justify-content:space-between}.exercise-select{flex-grow:1;background-color:var(--surface-color);border:1px solid var(--border-color);color:var(--text-color);padding:.6rem;border-radius:6px;font-size:1rem;font-weight:600;min-width:0}.delete-exercise-btn{background-color:var(--error-color);color:#fff;border:none;border-radius:50%;width:30px;height:30px;font-size:1.2rem;line-height:1;cursor:pointer;flex-shrink:0;transition:background-color: .2s}.delete-exercise-btn:hover{background-color:var(--primary-color-hover)}.form-group-inline{display:flex;flex-direction:column;gap:.25rem;flex:1 1 32%;min-width:0}.form-group-inline.full-width{flex-basis:100%;width:100%}.form-group-inline label{font-size:.8rem;color:var(--text-secondary-color)}.form-group-inline input,.form-group-inline 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.message-content{border-top-left-radius:4px}.chat-typing-indicator{display:flex;align-items:center;padding:10px 0}.chat-typing-indicator span{height:8px;width:8px;margin:0 2px;background-color:var(--text-secondary-color);border-radius:50%;display:inline-block;animation:bounce 1.4s infinite ease-in-out both}.chat-typing-indicator span:nth-of-type(1){animation-delay:-.32s}.chat-typing-indicator span:nth-of-type(2){animation-delay:-.16s}@keyframes bounce{0%,80%,to{transform:scale(0)}40%{transform:scale(1)}}.chat-input-area{padding:.5rem;border-top:1px solid var(--border-color);background-color:var(--surface-color);flex-shrink:0}.chat-input-area form{display:flex;gap:.5rem;align-items:center}.chat-input-area input[type=text]{flex-grow:1;background-color:var(--background-color);border:1px solid var(--border-color);border-radius:20px;padding:.75rem 1rem;color:var(--text-color);font-size:1rem}.chat-input-area input[type=text]:focus{outline:none;border-color:var(--primary-color)}.chat-action-btn,.chat-input-area button[type=submit]{background:none;border:none;color:var(--text-secondary-color);cursor:pointer;width:40px;height:40px;display:flex;justify-content:center;align-items:center;flex-shrink:0;transition:color .2s}.chat-action-btn:hover,.chat-input-area button[type=submit]:hover:not(:disabled){color:var(--primary-color)}.chat-input-area button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.chat-action-btn svg,.chat-input-area button[type=submit] svg{width:24px;height:24px;fill:currentColor}.chat-image-preview{position:relative;margin:0 .5rem .5rem;max-width:100px}.chat-image-preview img{width:100%;border-radius:8px;border:1px solid var(--border-color)}.remove-image-btn{position:absolute;top:-5px;right:-5px;background-color:#000000b3;color:#fff;border:none;border-radius:50%;width:20px;height:20px;line-height:1;cursor:pointer}.ai-assistant-button{background-color:var(--primary-color);border-color:var(--primary-color)}.ai-assistant-button:hover{background-color:var(--primary-color-hover);border-color:var(--primary-color-hover)}.video-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000d9;display:flex;justify-content:center;align-items:center;z-index:3000;animation:fadeIn .2s ease}.video-modal-content{position:relative;background-color:#000;width:90%;max-width:900px;aspect-ratio:16 / 9;box-shadow:0 10px 40px #00000080}.video-modal-content video{width:100%;height:100%;border-radius:8px}.video-modal-close-btn{position:absolute;top:-35px;right:-5px;background:none;border:none;color:#fff;font-size:2.5rem;cursor:pointer;line-height:1;opacity:.8;transition:opacity .2s}.video-modal-close-btn:hover{opacity:1}@media (max-width: 900px){.dashboard-grid{grid-template-columns:1fr}.profile-section{position:static;top:0}.add-exercise-form{grid-template-columns:1fr 1fr}.add-exercise-form select{grid-column:1 / 2}.add-exercise-form button{grid-column:2 / 3}.exercise-entry-header{display:none}.exercise-entry-row{grid-template-columns:1fr;gap:.75rem;padding-bottom:1rem;position:relative}.exercise-entry-row .switch{position:absolute;top:.75rem;right:.75rem}.exercise-entry-row .exercise-name-lib,.exercise-entry-row .editing-input{margin-top:2rem}.exercise-row-actions{margin-top:.5rem;justify-content:flex-start}}@media (max-width: 600px){#root{margin:0;padding:0}.admin-dashboard,.client-view-container,.library-container{padding:.5rem}.login-box,.landing-box{padding:1.5rem;border-radius:0;border-left:none;border-right:none}.client-management-bar{flex-direction:column;align-items:stretch;gap:1rem;margin-bottom:1rem}.add-client-form,.search-client-form{flex:initial}.view-controls{flex-direction:column;align-items:stretch;gap:.75rem;padding:.75rem}.client-list{margin-top:1rem}.main-header{flex-direction:column;align-items:stretch;text-align:left;gap:1rem;padding:1rem;margin-bottom:1rem}.main-header h1{font-size:1.8rem}.main-header .header-title-wrapper{order:-1;width:100%;text-align:center}.admin-header-nav{flex-direction:column;align-items:stretch}.logout-button.admin-logout{position:static}.main-content{padding:1rem}.actions-bar{flex-direction:column;align-items:stretch;gap:.5rem}.actions-bar .cta-button,.actions-bar .save-changes-button{width:100%}.main-tabs-nav,.day-tabs-nav,.progress-tabs-nav{flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:10px;scrollbar-width:thin;scrollbar-color:var(--primary-color) var(--surface-color);border-bottom:none;margin-left:-1rem;margin-right:-1rem;padding-left:1rem;padding-right:1rem}.main-tabs-nav,.progress-tabs-nav{border-bottom:1px solid var(--border-color)}.add-exercise-form{grid-template-columns:1fr}.diet-summary{flex-direction:column;align-items:flex-start;gap:1rem;padding:1rem}.diet-summary div{display:flex;justify-content:space-between;width:100%}.exercise-tracking{grid-template-columns:1fr 1fr 40px}.log-list li{display:block;padding:1rem;border-left:4px solid var(--primary-color)}.log-list li span{display:flex;justify-content:space-between;align-items:center;font-size:1rem;padding:.25rem 0}.log-list li span:before{font-weight:600;color:var(--text-secondary-color)}.log-list li:not(.weight-log) span:nth-child(1):before{content:"Fecha:"}.log-list li:not(.weight-log) span:nth-child(2):before{content:"Peso (kg):"}.log-list li:not(.weight-log) span:nth-child(3):before{content:"Reps:"}.log-list li.weight-log span:nth-child(1):before{content:"Fecha:"}.log-list li.weight-log span:nth-child(2):before{content:"Peso (kg):"}.log-list li.weight-log span:nth-child(3):before{content:"IMC:"}.agreement-buttons{flex-direction:column}}