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640px){.ins-accesos,.ins-tres{grid-template-columns:1fr}.ins-acceso{min-height:0;flex-direction:row;align-items:center;gap:var(--sp-3);flex-wrap:wrap}.ins-acceso>span{margin:0}.ins-acceso small{flex-basis:100%;margin-left:calc(1.6rem + var(--sp-3));margin-top:-4px}.ins-bloque__cuerpo{padding-left:var(--sp-4)}}@media (max-width: 767.98px){.ins-pantalla{display:none}}.av-figure{margin:2rem auto;max-width:640px;text-align:center}.av-figure img{display:block;width:100%;height:auto;margin:0 auto;transform:none}.av-figure img:hover{transform:none}.av-figure--diagram img{background:none;box-shadow:none;border-radius:16px;max-height:none}.av-figure--photo img{border-radius:var(--r-sm, 8px);max-height:420px;object-fit:cover}.av-figure--wide{max-width:1100px}.av-figure figcaption{margin-top:.75rem;font-size:.9rem;line-height:1.45;color:var(--c-muted, var(--text-secondary))}.av-figure--narrow{max-width:480px}.diagram-grid .av-figure{margin:0 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var(--c-accent-strong);--input-bg: var(--c-bg);--correct-color: #28a745;--incorrect-color: #dc3545;--user-message-bg: #2a4c7c;--bg-main: var(--c-bg);--bg-card: var(--c-surface);--bg-secondary: var(--c-surface-2)}:root[data-theme=light]{--c-bg: #f4f6f9;--c-surface: #ffffff;--c-surface-2: #eef2f6;--c-border: #d8dee6;--c-text: #1b2433;--c-muted: #556072;--c-accent: #0f766e;--c-accent-strong: #115e59;--c-on-accent: #ffffff;--c-info: #0369a1;--c-info-bg: #e8f4fb;--c-ok: #15803d;--c-ok-bg: #ebf7ef;--c-warn: #a16207;--c-warn-bg: #fdf6e3;--c-exam: #6d28d9;--c-exam-bg: #f3effd;--c-danger: #b91c1c;--c-danger-bg: #fdeeee;--accent-rgb: 15, 118, 110;--shadow-1: 0 1px 2px rgb(15 23 42 / .08);--shadow-2: 0 6px 20px rgb(15 23 42 / .1);--input-bg: #e4e6eb;--user-message-bg: #0084ff}html{box-sizing:border-box;font-size:16px}*,*:before,*:after{box-sizing:inherit}html,body{height:100%;margin:0;padding:0;font-family:var(--font-sans);background-color:var(--background-color);color:var(--text-primary);overflow-x:hidden;transition:background-color .3s,color .3s}h1,h2,h3,h4,h5,h6{color:var(--text-primary)}a{color:var(--accent-color);text-decoration:none;transition:color .2s}a:hover{text-decoration:underline}.app-button{background-color:var(--accent-color);color:var(--c-on-accent);border:1px solid var(--accent-color);padding:.75rem 1.5rem;border-radius:6px;cursor:pointer;font-size:1rem;font-weight:600;transition:background-color .2s,color .2s,border-color 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.2s}.sidebar-version:hover{color:var(--accent-color);text-decoration:underline}.manual-modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;z-index:3000;display:flex;align-items:center;justify-content:center;padding:1rem}.manual-modal{background:var(--card-bg, var(--sidebar-bg));border:1px solid var(--border-color);border-radius:12px;max-width:460px;width:100%;padding:1.5rem;color:var(--text-primary)}.manual-modal h3{margin:0 0 .75rem;color:var(--accent-color)}.manual-modal p{margin:0;font-size:.92em;line-height:1.6;color:var(--text-secondary)}.manual-modal-domain{margin-top:.75rem!important}.manual-modal-link{color:var(--accent-color);text-decoration:underline;font-weight:600;word-break:break-all}.manual-modal-actions{display:flex;gap:.6rem;margin-top:1.25rem}.manual-modal-actions .app-button{flex:1;text-align:center;text-decoration:none}#view-container{flex-grow:1;display:flex;flex-direction:column;overflow-y:auto}#app-header{padding:1rem 2rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:center;background-color:var(--sidebar-bg)}#view-title{margin:0;font-size:1.25rem;color:var(--accent-color)}.header-controls{display:flex;align-items:center;gap:1.5rem}.direct-controls{display:flex;align-items:center;gap:.75rem;background:#ffffff0d;padding:.25rem;border-radius:8px;border:1px solid var(--border-color)}.header-btn{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;padding:.4rem;border-radius:6px;transition:all .2s}.header-btn:hover{background:rgba(var(--accent-rgb),.1);color:var(--accent-color)}.header-btn svg{width:20px;height:20px}.button-group{display:flex;gap:2px;background:var(--border-color);padding:2px;border-radius:6px;overflow:hidden}.button-group button{background:var(--sidebar-bg);border:none;color:var(--text-secondary);padding:.2rem .6rem;font-size:.75rem;font-weight:600;cursor:pointer;transition:all .2s}.button-group button:hover{color:var(--accent-color)}.button-group button.active{background:var(--accent-color);color:var(--background-color)}#stats-widget{display:flex;gap:1.5rem;color:var(--text-secondary);flex-shrink:0}#main-content{flex-grow:1;padding:2rem}.lang-toggle button{min-width:2.1rem}.login-box .lang-toggle{width:max-content;margin:0 0 .75rem auto}#sidebar-lang{display:none;width:max-content;margin-top:.6rem}@media (max-width: 480px){#sidebar-lang{display:flex}#lang-toggle{display:none}}#course-selection-modal{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000;color:var(--text-primary);-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}#course-selection-modal.hidden{display:none}#course-selection-modal .modal-content{background-color:var(--sidebar-bg);padding:40px;border-radius:12px;text-align:center;max-width:500px;width:90%;box-shadow:0 5px 15px #0000004d;border:1px solid var(--border-color)}#course-selection-modal h2{margin-top:0;font-size:1.8em;color:var(--accent-color)}#course-selection-modal p{margin-bottom:30px;font-size:1.1em;color:var(--text-secondary)}#course-selection-modal .course-buttons{display:flex;flex-direction:column;gap:15px}#course-selection-modal button{background-color:transparent;color:var(--accent-color);border:1px solid var(--accent-color);padding:15px 20px;border-radius:8px;font-size:1.1em;font-weight:600;cursor:pointer;transition:background-color .3s ease,color .3s ease}#course-selection-modal button:hover{background-color:var(--accent-color);color:var(--background-color)}.accordion details{border:1px solid var(--border-color);border-radius:8px;background-color:var(--card-bg);overflow:hidden;margin-bottom:2rem}.accordion summary{padding:1rem 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(max-width: 600px){.player-controls{flex-wrap:wrap}.volume-container{width:100%;justify-content:flex-end}}#login-container{display:flex;justify-content:center;align-items:center;width:100%;height:100vh;background-color:var(--background-color)}.login-box{background-color:var(--sidebar-bg);padding:3rem;border-radius:12px;border:1px solid var(--border-color);text-align:center;max-width:400px;width:90%;box-shadow:0 10px 30px -15px #020c1bb3}#login-form{display:flex;flex-direction:column;gap:1rem}#login-form input{background-color:var(--background-color);border:1px solid var(--border-color);border-radius:6px;padding:.75rem 1rem;color:var(--text-primary);font-size:1.1rem;text-align:center;width:100%}.password-wrapper{position:relative;width:100%}.password-toggle{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;padding:0;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:color .2s}.password-toggle:hover,.password-toggle.visible{color:var(--accent-color)}.password-toggle svg{width:20px;height:20px}#temario-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem}.temario-card{position:relative;background:linear-gradient(135deg,var(--card-bg) 0%,var(--sidebar-bg) 100%);border:1px solid var(--border-color);border-radius:16px;padding:2rem 1.5rem;text-align:center;cursor:pointer;transition:all .4s cubic-bezier(.175,.885,.32,1.275);display:flex;flex-direction:column;align-items:center;box-shadow:0 4px 6px #0000001a,0 1px 3px #00000014;overflow:hidden}.temario-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--accent-color),var(--accent-color-dark));transform:scaleX(0);transition:transform .4s ease}.temario-card:hover:before{transform:scaleX(1)}.temario-card:hover{transform:translateY(-8px) scale(1.02);border-color:var(--accent-color);box-shadow:0 12px 24px 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svg{width:56px;height:56px;color:var(--accent-color);margin-bottom:1.5rem;filter:drop-shadow(0 2px 4px rgba(var(--accent-rgb),.3));transition:transform .3s ease}.prueba-card:hover svg,.curiosidad-card:hover svg{transform:scale(1.15) rotate(5deg)}.prueba-card h4,.curiosidad-card h4{margin:0 0 .75rem;font-size:1.4rem;font-weight:600;color:var(--text-primary);transition:color .3s ease}.prueba-card:hover h4,.curiosidad-card:hover h4{color:var(--accent-color)}.prueba-card p,.curiosidad-card p{color:var(--text-secondary);font-size:.95rem;line-height:1.6;margin:0}.quiz-container{max-width:800px;margin:0 auto;padding:1rem}.quiz-card{background:var(--card-bg);border:1px solid var(--border-color);border-radius:16px;padding:2.5rem;box-shadow:0 10px 25px -5px #0000004d}.quiz-question-topic{display:block;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--accent-color);margin-bottom:.5rem;font-weight:600}.quiz-question-text{font-size:1.5rem;line-height:1.4;color:var(--text-primary);margin-bottom:2rem;font-weight:500}.quiz-question-image{margin:0 auto 2rem;display:flex;justify-content:center;background:#ffffff05;padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);max-width:100%}.quiz-question-image svg{max-width:100%;height:auto;display:block}.quiz-options{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}.quiz-options button{display:flex;align-items:center;padding:1.25rem 1.5rem;background:#ffffff08;border:1px solid var(--border-color);border-radius:12px;color:var(--text-primary);font-size:1.1rem;text-align:left;cursor:pointer;transition:all .2s ease;width:100%}.quiz-options button:hover:not(:disabled){background:rgba(var(--accent-rgb),.08);border-color:var(--accent-color);transform:translate(4px)}.quiz-options button.selected-strict{background:rgba(var(--accent-rgb),.2);border-color:var(--accent-color);color:var(--accent-color)}.quiz-options button.correct{background:#28a74533;border-color:var(--correct-color);color:#fff}.quiz-options button.incorrect{background:#dc354533;border-color:var(--incorrect-color);color:#fff}.quiz-hint{margin-bottom:1.5rem}.quiz-hint .hint-btn{background:transparent;border:1px dashed rgba(245,158,11,.5);color:#f59e0b;border-radius:8px;padding:.5rem 1rem;font-size:.9rem;cursor:pointer;transition:background .2s ease}.quiz-hint .hint-btn:hover{background:#f59e0b1a}.quiz-hint .hint-text{background:#f59e0b14;border-left:4px solid #f59e0b;border-radius:8px;padding:1rem 1.25rem;color:var(--text-secondary);font-size:.95rem;line-height:1.6;animation:fadeIn .3s ease}.quiz-hint .hint-text p{margin:0}.quiz-feedback{padding:1.5rem;border-radius:12px;margin-bottom:2rem;display:none;animation:fadeIn .3s ease}.quiz-feedback.correct{background:#28a7451a;border-left:4px solid var(--correct-color);color:var(--correct-color)}.quiz-feedback.incorrect{background:#dc35451a;border-left:4px solid var(--incorrect-color);color:var(--incorrect-color)}.quiz-explanation{margin-top:.75rem;color:var(--text-secondary);font-size:.95rem;line-height:1.6}.quiz-controls{display:flex;justify-content:flex-end}.next-question-btn{opacity:0;pointer-events:none;transition:opacity .3s ease}.next-question-btn.show{opacity:1;pointer-events:auto}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}#topic-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364ffda' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center;background-size:1.5rem;padding-right:3rem;color:var(--text-primary)!important;background-color:var(--card-bg)!important;border:1px solid var(--border-color)!important}[data-theme=light] #topic-select{color:#050505!important;background-color:#fff!important;border-color:#d8dde4!important;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230f766e' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E")}.result-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1.5rem;margin:2rem 0}.result-item{background:#ffffff08;border:1px solid var(--border-color);padding:1.5rem;border-radius:12px;text-align:center;display:flex;flex-direction:column;gap:.5rem}.result-item span{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary)}.result-item strong{font-size:2rem;color:var(--text-primary)}.result-item strong.pass{color:var(--correct-color)}.result-item strong.fail{color:var(--incorrect-color)}.failed-question-item{background:#ffffff08;border:1px solid var(--border-color);padding:1.5rem;border-radius:12px;margin-bottom:1.5rem}.failed-question-item p{font-weight:600;margin-bottom:1rem;font-size:1.1rem}.failed-question-item .correct-answer{color:var(--correct-color);margin-bottom:.5rem}.failed-question-item .explanation{font-size:.9rem;color:var(--text-secondary)}.topic-content{max-width:800px;line-height:1.7}.scroll-progress-btn{position:fixed;right:24px;bottom:24px;width:52px;height:52px;padding:0;border:none;border-radius:50%;background:var(--card-bg);box-shadow:0 4px 14px #00000040;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s ease,transform .25s ease,visibility .25s;z-index:500}.scroll-progress-btn.visible{opacity:1;visibility:visible;transform:translateY(0)}.scroll-progress-ring{position:absolute;top:0;left:0;transform:rotate(-90deg)}.scroll-progress-ring__bg{fill:none;stroke:var(--border-color);stroke-width:3}.scroll-progress-ring__fill{fill:none;stroke:var(--accent-color);stroke-width:3;stroke-linecap:round;transition:stroke-dashoffset .15s linear}.scroll-progress-text{position:relative;font-size:.7rem;font-weight:700;color:var(--text-primary)}@media (max-width: 640px){.scroll-progress-btn{right:14px;bottom:14px;width:44px;height:44px}.scroll-progress-ring{width:44px;height:44px}.scroll-progress-text{font-size:.6rem}}.diagram-container{margin:2rem 0;padding:1rem;background:rgba(var(--accent-rgb),.03);border:1px solid var(--border-color);border-radius:12px;text-align:center}.diagram-container.small{max-width:400px;margin-left:auto;margin-right:auto}.diagram-container.wide{max-width:1100px}@media (min-width: 1025px){.diagram-container.wide{width:calc(100vw - 240px - 4rem)}}@media (min-width: 769px) and (max-width: 1024px){.diagram-container.wide{width:calc(100vw - 240px - 3rem)}}.diagram-container img{max-width:100%;max-height:400px;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 4px 12px #0003;transition:transform .3s ease}.diagram-container.wide img{max-height:none}.diagram-container img:hover{transform:scale(1.02)}@media (max-width: 768px){.diagram-container img{max-height:none}}.diagram-container figcaption{margin-top:1rem;font-size:.9rem;color:var(--text-secondary);font-style:italic;line-height:1.4}.diagram-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin:2rem 0}.video-container{margin:2rem 0;padding:1rem;background:rgba(var(--accent-rgb),.03);border:1px solid var(--border-color);border-radius:12px;text-align:center}.video-container .video-embed{position:relative;width:100%;padding-top:56.25%;border-radius:8px;overflow:hidden;box-shadow:0 4px 12px #0003}.video-container .video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.video-container figcaption{margin-top:1rem;font-size:.9rem;color:var(--text-secondary);font-style:italic;line-height:1.4}.diagram-grid .diagram-container{margin:0}.info-box{background:rgba(var(--accent-rgb),.05);border-left:4px solid var(--accent-color);padding:1.5rem;border-radius:0 8px 8px 0;margin:2rem 0}.info-box h4{margin-top:0;border:none;color:var(--accent-color)}.mnemonic-box{background:rgba(var(--accent-rgb),.08);border-left:4px solid var(--accent-color);padding:1rem 1.5rem;margin:1.5rem 0;border-radius:0 8px 8px 0;font-style:italic;display:flex;gap:1rem;align-items:center}.mnemonic-box:before{content:"🧠";font-size:1.5rem;flex-shrink:0}.radio-sim-container{background:#ffffff05;border:1px solid var(--border-color);border-radius:12px;padding:1.25rem;margin:1.5rem 0}.radio-sim-tabs{display:flex;gap:.5rem;flex-wrap:wrap;margin-bottom:1rem}.radio-sim-tab-btn{flex:1;min-width:120px;padding:.6rem .8rem;border-radius:8px;border:2px solid var(--border-color);background:transparent;color:var(--text-secondary);font-weight:700;cursor:pointer;transition:all 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ease}.test-card:hover{transform:translateY(-2px);box-shadow:0 6px 12px #00000026}.test-card.excellent{border-left:4px solid #22c55e}.test-card.good{border-left:4px solid #f59e0b}.test-card.fair{border-left:4px solid #ef9a9a}.test-card.poor{border-left:4px solid #ef4444}.test-card-header{display:flex;justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1rem}.test-card-title{display:flex;align-items:center;gap:.75rem;flex:1}.test-card-title h4{margin:0;color:var(--text-primary);font-size:1rem}.test-type{font-size:.75rem;padding:.25rem 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env(safe-area-inset-bottom,0px))}.pc-tarjeta-titulo{font-weight:600;color:var(--c-text)}.videos-view-container{display:flex;flex-direction:column;gap:2rem;max-width:900px;margin:0 auto;padding-bottom:3rem}.videos-list{display:flex;flex-direction:column;gap:.75rem}.video-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:1rem;overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}.video-item:hover{border-color:var(--accent-color);box-shadow:0 4px 15px #0000001a}.video-item.expanded{border-color:var(--accent-color)}.video-item-header{display:flex;align-items:center;gap:1.5rem;padding:1.25rem;cursor:pointer}.video-item.expanded .video-item-header{background:rgba(var(--accent-rgb),.1)}.video-item-icon{font-size:1.5rem;width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);border-radius:50%;flex-shrink:0}.video-item.expanded .video-item-icon{background:var(--accent-color);color:#fff}.video-item-info{flex:1}.video-item-info h4{margin:0;font-size:1.1rem;color:var(--text-primary)}.video-item-meta{font-size:.85rem;color:var(--text-secondary)}.video-item-chevron{flex-shrink:0;font-size:1.1rem;color:var(--text-secondary);transition:transform .25s ease}.video-item.expanded .video-item-chevron{transform:rotate(180deg);color:var(--accent-color)}.video-item-body{border-top:1px solid var(--border-color)}.video-player-wrapper{position:relative;width:100%;padding-top:56.25%;background:#000}.video-player-wrapper iframe{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;border:0}.video-active-desc{margin:0;padding:1.25rem 1.5rem;color:var(--text-secondary)}.video-practica{padding:.25rem 1.5rem 1.5rem;border-top:1px solid var(--border-color)}.video-practica-titulo{margin:1.1rem 0 .3rem;font-size:1.1rem;color:var(--text-primary)}.video-practica-intro,.video-practica-aviso{margin:0 0 .4rem;color:var(--text-secondary);font-size:.95rem}.video-practica-aviso{padding:.5rem .75rem;border-radius:10px;border:1px dashed var(--accent-color)}@media (max-width: 560px){.video-practica{padding:.25rem .6rem 1rem}}.videos-proximamente{display:flex;align-items:center;gap:1rem;padding:1.25rem 1.5rem;border-radius:1rem;background:var(--bg-card);border:1px dashed var(--accent-color);color:var(--text-secondary)}.videos-proximamente-icon{font-size:1.75rem;flex-shrink:0}[data-theme=dark] .video-item:hover{background:#2d2d2d}.admin-container{max-width:1200px;margin:0 auto}.admin-tabs{display:flex;gap:1rem;margin-bottom:2rem;border-bottom:1px solid var(--border-color)}.admin-tab{padding:.75rem 1.5rem;cursor:pointer;border-bottom:3px solid transparent;color:var(--text-secondary);font-weight:600}.admin-tab.active{color:var(--accent-color);border-bottom-color:var(--accent-color)}.admin-actions-bar{display:flex;justify-content:flex-end;margin-bottom:1rem}.admin-table-wrapper{background-color:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;overflow:auto;max-height:calc(100vh - 220px)}.admin-table-wrapper::-webkit-scrollbar{width:10px;height:10px}.admin-table-wrapper::-webkit-scrollbar-track{background:#ffffff05}.admin-table-wrapper::-webkit-scrollbar-thumb{background:rgba(var(--accent-rgb),.2);border-radius:10px}.admin-table-wrapper::-webkit-scrollbar-thumb:hover{background:rgba(var(--accent-rgb),.4)}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border-color)}.admin-table th{background-color:var(--card-bg);color:var(--text-secondary);font-size:.8rem;text-transform:uppercase;position:sticky;top:0;z-index:10;box-shadow:0 1px 0 var(--border-color)}.admin-btn-delete{background-color:#dc35451a;color:#ff4d4d;border:1px solid #ff4d4d;padding:.25rem .5rem;border-radius:4px;cursor:pointer;font-size:.8rem}.admin-btn-delete:hover{background-color:#ff4d4d;color:#fff}.admin-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#000c;display:flex;justify-content:center;align-items:center;z-index:2000}.admin-modal{background:var(--sidebar-bg);padding:2rem;border-radius:12px;width:90%;max-width:400px;border:1px solid var(--border-color)}.admin-modal h3{margin-top:0;color:var(--accent-color)}.admin-form{display:flex;flex-direction:column;gap:1rem}.admin-form input,.admin-form select{background:var(--background-color);border:1px solid var(--border-color);color:var(--text-primary);padding:.75rem;border-radius:6px}.settings-grid{display:grid;gap:2rem}.settings-card{background:var(--card-bg);border:1px solid var(--border-color);padding:1.5rem;border-radius:8px}.settings-card h3{margin-top:0;margin-bottom:1.5rem;font-size:1.1rem}.admin-stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;margin-bottom:2rem}.admin-stat-card{background:var(--card-bg);border:1px solid var(--border-color);padding:1.5rem;border-radius:12px;display:flex;align-items:center;gap:1.25rem;transition:transform .2s,border-color 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