@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}body{text-align:center;background-color:#f5f7fa;margin:0;font-family:Arial,sans-serif}.top-right-buttons{z-index:1000;gap:10px;display:flex;position:fixed;top:20px;right:20px}.guide-top-btn,.hospital-btn{cursor:pointer;border:none;border-radius:5px;padding:10px 15px;font-size:14px}.hero{flex-direction:column;justify-content:center;align-items:center;gap:20px;height:100vh;padding:20px;display:flex}.hero h1{font-size:2.6rem}.hero p{color:#555;max-width:600px;font-size:1.2rem}.button-group{gap:15px;margin-top:10px;display:flex}.primary-btn,.analyze-btn{cursor:pointer;border:none;border-radius:4px;padding:12px 24px;font-size:1rem}.cancel-btn{color:#fff;cursor:pointer;background-color:#007bff;border:none;border-radius:4px;margin-top:10px;padding:8px 16px;font-size:.9rem}.cancel-btn:hover{background-color:#0056b3}.tip-message{text-align:left;color:#c62828;background:#ffebee;border-left:4px solid #f44336;border-radius:6px;max-width:600px;margin-top:15px;margin-left:auto;margin-right:auto;padding:10px}.tip-message pre{white-space:pre-wrap;margin:0;font-family:inherit}.upload-guidance{color:#666;text-align:center;margin-top:5px;font-size:.8rem}.injury-hint{text-align:center;color:#2e7d32;background:#e8f5e8;border-radius:4px;margin-top:10px;padding:8px;font-weight:700}.image-preview img{border:2px solid #1976d2;border-radius:6px;max-width:300px;margin-top:10px}.analysis-result{text-align:left;background:#f8f9fa;border-radius:8px;max-width:600px;margin-top:20px;margin-left:auto;margin-right:auto;padding:15px}.loader{border:6px solid #f3f3f3;border-top-color:#28a745;border-radius:50%;width:50px;height:50px;margin-top:20px;animation:1s linear infinite spin}.guide-modal{z-index:1000;background:#000000b3;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;display:flex;position:fixed;top:0;left:0;overflow-y:auto}.guide-content{text-align:left;background:#fff;border-radius:10px;width:100%;max-width:800px;padding:30px;position:relative}.close-btn{float:right;cursor:pointer;color:#e53935;z-index:1001;background:0 0;border:none;margin-bottom:10px;font-size:2rem;position:sticky;top:0;right:0}.guide-search{border:1px solid #ccc;border-radius:5px;width:100%;margin-bottom:20px;padding:10px;font-size:1rem}.login-container{text-align:center;background-color:#f5f7fa;flex-direction:column;justify-content:center;align-items:center;height:100vh;display:flex}.login-form{background:#fff;border-radius:10px;flex-direction:column;gap:15px;padding:30px;display:flex;box-shadow:0 4px 12px #0000001a}.login-form input{border:1px solid #ccc;border-radius:5px;padding:10px;font-size:1rem}.login-form button{color:#fff;cursor:pointer;background-color:#1976d2;border:none;border-radius:6px;padding:12px;font-size:1rem}.login-form button:hover{background-color:#115293}.login-container{flex-direction:column;justify-content:center;align-items:center;gap:10px;height:100vh;display:flex}.login-container input{width:250px;margin:5px 0;padding:10px;font-size:1rem}.login-container button{cursor:pointer;padding:10px 20px;font-size:1rem}.toggle-link{color:#00f;cursor:pointer;text-decoration:underline}.error{color:red}.top-right-container{border-bottom:2px solid #ccc;justify-content:flex-end;margin-bottom:20px;padding:10px 20px;display:flex}.top-right-container{flex-direction:column;align-items:flex-end;margin-bottom:20px;padding:10px 20px;display:flex}.top-right-underline{background-color:#ccc;width:100%;height:2px;margin-top:5px}.top-right-container{z-index:1000;background-color:#fff;justify-content:flex-end;width:100%;padding:10px 20px;display:flex;position:fixed;top:0;left:0}.top-right-underline{z-index:999;background-color:#ccc;width:100%;height:2px;position:fixed;top:50px;left:0}.top-header{z-index:1000;background-color:#fff;width:100%;padding:10px 20px;position:fixed;top:0;left:0}.top-right-buttons{justify-content:flex-end;display:flex}.top-right-buttons button{margin-left:10px}.top-underline{z-index:999;background-color:#ccc;width:100%;height:2px;margin-top:5px}.hero{color:#fff;text-align:center;z-index:0;background-image:url(/assets/background-Dl1g-iDO.png);background-position:50%;background-repeat:no-repeat;background-size:cover;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100vh;padding:20px;display:flex;position:relative}.hero{filter:brightness(1.05);text-align:center;z-index:0;background-image:url(/assets/background-Dl1g-iDO.png);background-position:50%;background-size:cover;flex-direction:column;justify-content:center;align-items:center;width:100%;min-height:100vh;padding:20px;display:flex;position:relative}.hero:before{content:"";z-index:0;background-color:#ffffff0d;width:100%;height:100%;position:absolute;top:0;left:0}.analysis-result pre{color:red;white-space:pre-wrap;background-color:#ffffff1a;border-radius:5px;padding:10px;font-family:inherit}.hero h1{margin-bottom:5px;font-size:2.5rem}.hero p{margin-top:0;font-size:1.2rem}.hero{filter:brightness(1.05);text-align:center;z-index:0;background-image:url(/assets/background-Dl1g-iDO.png);background-position:50%;background-size:cover;flex-direction:column;justify-content:flex-start;align-items:center;width:100%;min-height:100vh;padding-top:120px;padding-left:20px;padding-right:20px;display:flex;position:relative}body{text-align:center;color:#333;background-color:#f5f7fa;margin:0;font-family:Segoe UI,Arial,sans-serif}.top-header{z-index:1000;background-color:#fff;justify-content:space-between;align-items:center;width:100%;height:60px;padding:0 25px;display:flex;position:fixed;top:0;left:0;box-shadow:0 2px 6px #0000001a}.logo{color:#1976d2;font-size:1.4rem;font-weight:700}.top-actions button{cursor:pointer;border:none;border-radius:5px;margin-left:10px;padding:8px 16px;font-size:.9rem;font-weight:500;transition:all .2s}.guide-top-btn{color:#fff;background-color:#1976d2}.guide-top-btn:hover{background-color:#115293}.hospital-btn{color:#fff;background-color:#28a745}.hospital-btn:hover{background-color:#1e7e34}.signout-btn{color:#fff;background-color:#d32f2f}.signout-btn:hover{background-color:#b71c1c}.top-underline{z-index:999;background-color:#e0e0e0;width:100%;height:2px;position:fixed;top:60px;left:0}.hero{text-align:center;background-image:url(/assets/background-Dl1g-iDO.png);background-position:50%;background-size:cover;flex-direction:column;justify-content:flex-start;align-items:center;width:100%;min-height:100vh;padding-top:140px;display:flex;position:relative}.hero:before{content:"";z-index:0;background:#0000004d;position:absolute;inset:0}.hero *{z-index:1;position:relative}.hero h1{color:#fff;margin-bottom:8px;font-size:2.8rem}.hero p{color:#e3f2fd;margin-top:0;font-size:1.2rem}.main-card{background:#fffffff2;border-radius:15px;flex-direction:column;gap:15px;width:100%;max-width:700px;margin-bottom:20px;padding:30px 40px;display:flex;box-shadow:0 8px 30px #0003}.primary-btn,.analyze-btn{cursor:pointer;border:none;border-radius:6px;padding:12px 24px;font-size:1rem;font-weight:600;transition:all .2s}.primary-btn{color:#fff;background-color:#e53935}.primary-btn:hover{background-color:#c62828}.analyze-btn{color:#fff;background-color:#28a745}.analyze-btn:hover{background-color:#1e7e34}.button-group{flex-wrap:wrap;justify-content:center;gap:15px;display:flex}.image-preview{flex-direction:column;align-items:center;gap:8px;margin-top:15px;display:flex}.image-preview img{border:2px solid #1976d2;border-radius:8px;max-width:300px;box-shadow:0 4px 12px #00000026}.analysis-result{text-align:left;background:#fff;border-radius:12px;max-width:600px;margin-top:25px;padding:25px;box-shadow:0 6px 20px #00000026}.analysis-result pre{color:#d32f2f;white-space:pre-wrap;background:#ffffff1a;border-radius:5px;padding:10px;font-family:inherit}.guide-modal{z-index:1000;box-sizing:border-box;background:#000000b3;justify-content:center;align-items:flex-start;padding:20px;display:flex;position:fixed;inset:0;overflow-y:auto}.guide-content{text-align:left;box-sizing:border-box;background:#fff;border-radius:12px;width:100%;min-width:0;max-width:800px;margin:auto;padding:30px;position:relative}.close-btn{cursor:pointer;color:#e53935;z-index:1001;background:0 0;border:none;margin-bottom:10px;font-size:2rem;position:sticky;top:0;right:0}.guide-search{box-sizing:border-box;border:1px solid #ccc;border-radius:6px;width:100%;margin-bottom:20px;padding:10px;font-size:1rem}.login-container{background-color:#f5f7fa;flex-direction:column;justify-content:center;align-items:center;gap:15px;height:100vh;display:flex}.login-form{background:#fff;border-radius:12px;flex-direction:column;gap:15px;width:300px;padding:30px;display:flex;box-shadow:0 4px 12px #0000001a}.login-input{border:1px solid #ccc;border-radius:6px;padding:10px;font-size:1rem}.login-btn{color:#fff;cursor:pointer;background-color:#1976d2;border:none;border-radius:6px;padding:12px;font-size:1rem}.login-btn:hover{background-color:#115293}.login-container a{color:#1976d2;text-decoration:none}.camera-preview{flex-direction:column;align-items:center;gap:10px;margin-top:15px;display:flex}.camera-preview video{border:2px solid #1976d2;border-radius:8px;box-shadow:0 4px 12px #00000026}.camera-preview button{color:#fff;cursor:pointer;background-color:#e53935;border:none;border-radius:6px;padding:10px 20px;font-size:1rem}.camera-preview button:hover{background-color:#c62828}.top-header{z-index:1000;background-color:#fff;border-bottom:2px solid #ccc;justify-content:space-between;align-items:center;width:100%;padding:10px 20px;display:flex;position:fixed;top:0;left:0}.top-left-logo{color:#007bff;align-items:center;font-size:1.2rem;font-weight:700;display:flex}.app-title{margin-left:5px}.hero h1,.hero p{color:#007bff;text-align:center}.primary-btn{padding:10px 18px;font-size:.9rem}.main-card{text-align:center;background:#fffffff2;border-radius:15px;width:100%;max-width:450px;padding:20px 25px;box-shadow:0 6px 20px #00000026}.main-card h1{margin-bottom:5px;font-size:2rem}.main-card p{margin-bottom:15px;font-size:1rem}.symptoms-input{text-align:left;width:100%;margin:12px 0}.symptoms-label{color:#333;margin-bottom:6px;font-size:14px;font-weight:500;display:block}.symptoms-textarea{color:#333;resize:vertical;box-sizing:border-box;background:#fff;border:1px solid #ccc;border-radius:8px;width:100%;padding:10px 12px;font-size:14px}.symptoms-textarea::placeholder{color:#888}.symptoms-textarea:focus{border-color:#e53935;outline:none}