:root{--fondo: #ffffff;--fondo-secundario: #f8f9fa;--texto: #212529;--texto-secundario: #6c757d;--navbar-bg: #212529;--navbar-text: #ffffff;--primary: #0d6efd;--card-bg: #ffffff;--border: #dee2e6}.dark-theme{--fondo: #121212;--fondo-secundario: #1e1e1e;--texto: #ffffff;--texto-secundario: #adb5bd;--navbar-bg: #000000;--navbar-text: #ffffff;--primary: #0d6efd;--card-bg: #212529;--border: #495057}body{background-color:var(--fondo);color:var(--texto)}.main-content-wrapper{padding-top:80px}.flip-card-wrapper{background-color:transparent;width:100%;height:500px;perspective:1000px;cursor:pointer}.flip-card-inner{position:relative;width:100%;height:100%;transition:transform .8s cubic-bezier(.4,.2,.2,1);transform-style:preserve-3d}.flip-card-inner.is-flipped{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{position:absolute;width:100%;height:100%;-webkit-backface-visibility:hidden;backface-visibility:hidden;border-radius:1.5rem;background-color:var(--card-bg)!important;display:flex;overflow:hidden}.flip-card-back{transform:rotateY(180deg);border:2px solid var(--primary)!important}.flip-card-front .card,.flip-card-back .card{width:100%;height:100%;background-color:transparent!important;border:none}