:root{--primary-color: #f7d373;--primary-light: #f7d373;--primary-dark: #0f0f0f;--accent-color: #f7d373}body{margin:0;padding:0;width:100vw;height:100vh;background:#57666c;display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.fondo-industrial{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;z-index:0}.fondo-industrial:before{content:"";position:absolute;width:1000px;height:1000px;background:#0f0f0fa4;border-radius:50%;bottom:-500px;left:-350px;opacity:1;z-index:0}.fondo-industrial:after{content:"";position:absolute;width:1000px;height:1000px;background:#f7d373;border-radius:50%;top:-200px;left:200px;opacity:.95;z-index:1}.login-card{background-color:#fffffff2;border-radius:15px;box-shadow:0 10px 30px #00000014;overflow:hidden;max-width:450px;width:100%;position:relative;transition:all .3s ease;z-index:10}.login-card:hover{box-shadow:0 15px 35px #0000001f}.card-header-line{height:4px;background:linear-gradient(90deg,var(--primary-light),var(--primary-dark));width:100%;position:absolute;top:0;left:0}.login-title{color:var(--primary-dark);font-weight:300;letter-spacing:.5px}.login-title strong{font-weight:600}.circle-button{width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;background-color:#fff;box-shadow:0 4px 12px #0000001a;border:2px solid rgba(17,64,117,.2);color:var(--primary-color);transition:all .3s ease;position:relative;overflow:hidden}.circle-button:hover{transform:translateY(-3px);box-shadow:0 6px 15px #00000026;border-color:#0d0d0e66;color:var(--primary-dark)}.circle-button:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:radial-gradient(circle,#7d6e2e1a,#fff0 70%);opacity:0;transition:opacity .3s ease}.circle-button:hover:after{opacity:1}.form-control{border:1px solid rgba(0,0,0,.1);padding:12px 15px 12px 45px;border-radius:8px;height:auto;transition:all .3s ease}.form-control:focus{border-color:var(--primary-light);box-shadow:0 0 0 .25rem #2e7d7626}.input-icon{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--primary-color)}.btn-login{background:linear-gradient(90deg,var(--primary-color),var(--primary-dark));border:none;color:#fff;padding:12px;border-radius:8px;font-weight:500;letter-spacing:.5px;transition:all .3s ease}.btn-login:hover{background:linear-gradient(90deg,var(--primary-dark),var(--primary-color));box-shadow:0 4px 12px #00000026;transform:translateY(-2px)}.login-links a{color:var(--primary-color);text-decoration:none;transition:all .3s ease}.login-links a:hover{color:var(--primary-dark);text-decoration:underline}.alert-custom{background-color:#f443361a;border-color:#f4433633;color:#d32f2f;display:flex;align-items:center}.alert-dot{width:8px;height:8px;background-color:#d32f2f;border-radius:50%;margin-right:10px}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.login-card{animation:fadeIn .6s ease-out forwards}.circle-buttons{animation:fadeIn .6s ease-out .2s backwards}