.navbar{color:#fff;background-color:#111827;justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex}.logo{font-size:1.5rem;font-weight:700}.nav-links{gap:1.5rem;display:flex}.nav-links a{color:#fff;text-decoration:none}.nav-links a:hover{text-decoration:underline}.login-button{color:#fff;cursor:pointer;border:none;border-radius:5px;padding:.5rem 1rem;text-decoration:none}.login-button:hover{text-decoration:underline}.home{min-height:100vh}.hero{justify-content:space-between;align-items:center;gap:4rem;padding:5rem 8%;display:flex}.hero-content{max-width:600px}.hero h1{margin-bottom:1.5rem;font-size:3.5rem;line-height:1.1}.hero p{color:#666;font-size:1.2rem;line-height:1.6}.hero-buttons{gap:1rem;margin-top:2rem;display:flex}.primary-button,.secondary-button{cursor:pointer;border-radius:8px;padding:.8rem 1.5rem;font-size:1rem}.primary-button{color:#fff;background:#111827;border:none}.secondary-button{background:#fff;border:1px solid #ccc}.hero-preview{width:420px}.analysis-card{background:#fff;border-radius:16px;padding:1rem;box-shadow:0 10px 30px #0000001a}.video-placeholder{background:#e5e7eb;border-radius:12px;justify-content:center;align-items:center;height:240px;display:flex}.metrics{justify-content:space-around;margin-top:1.5rem;display:flex}.metrics div{text-align:center}.metrics strong{font-size:1.5rem;display:block}.metrics span{color:#666}.features{text-align:center;padding:4rem 8%}.feature-grid{grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:3rem;display:grid}.feature-card{text-align:left;background:#f9fafb;border-radius:12px;padding:2rem}.workflow{text-align:center;padding:4rem 8%}.steps{justify-content:center;gap:4rem;margin-top:3rem;display:flex}.steps span{color:#fff;background:#111827;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;display:inline-flex}.cta{text-align:center;padding:5rem}@media (width<=900px){.hero{flex-direction:column}.feature-grid{grid-template-columns:1fr}.steps{flex-direction:column}}.login-page{background:#f3f4f6;justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:#fff;border-radius:16px;width:400px;padding:2.5rem;box-shadow:0 10px 25px #0000001a}.login-card h1{text-align:center;margin-bottom:.5rem}.register-link{text-align:center;margin-top:1.5rem}.register-link a{margin-left:5px;text-decoration:none}.register-page{background:#f3f4f6;justify-content:center;align-items:center;min-height:100vh;display:flex}.register-card{background:#fff;border-radius:16px;width:400px;padding:2.5rem;box-shadow:0 10px 25px #0000001a}.register-card h1{text-align:center;margin-bottom:.5rem}.login-link{text-align:center;margin-top:1.5rem}.login-link a{margin-left:5px;text-decoration:none}.profile-page{max-width:1200px;margin:40px auto;padding:20px;font-family:Arial,sans-serif}.profile-header{background:#fff;border-radius:16px;align-items:center;gap:30px;margin-bottom:30px;padding:30px;display:flex;box-shadow:0 2px 12px #00000014}.profile-avatar{color:#fff;background:#2d6cdf;border-radius:50%;justify-content:center;align-items:center;width:100px;height:100px;font-size:2rem;font-weight:700;display:flex}.profile-info{flex:1}.profile-info h1{margin-bottom:5px}.profile-info p{color:#555;margin:5px 0}.edit-button{cursor:pointer;color:#fff;background:#2d6cdf;border:none;border-radius:8px;padding:10px 18px;font-size:1rem}.stat-card{text-align:center;background:#fff;border-radius:16px;padding:20px;box-shadow:0 2px 12px #00000014}.stat-card h3{color:#666;margin-bottom:10px}.stat-card p{font-size:2rem;font-weight:700}.content-grid{grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:20px;display:grid}.card{background:#fff;border-radius:16px;padding:20px;box-shadow:0 2px 12px #00000014}.card h2{margin-bottom:15px}.card ul{padding-left:18px}.card li{margin-bottom:10px}.edit-profile-page{justify-content:center;align-items:flex-start;min-height:100vh;padding-top:80px;display:flex}.edit-profile-card{background:#fff;border-radius:10px;width:400px;padding:30px;box-shadow:0 4px 15px #0000001a}.edit-profile-card h1{margin-bottom:8px}.edit-profile-card .subtitle{color:#666;margin-bottom:25px}.edit-profile-card form{flex-direction:column;gap:10px;display:flex}.edit-profile-card input{border:1px solid #ccc;border-radius:5px;margin-bottom:15px;padding:10px}.edit-profile-card button{cursor:pointer;border:none;border-radius:5px;padding:11px}.climb-log-page{background:#f3f4f6;justify-content:center;align-items:center;min-height:100vh;display:flex}.climb-log-card{background:#fff;border-radius:16px;width:400px;padding:2.5rem;box-shadow:0 10px 25px #0000001a}.climb-log-card h1{text-align:center;margin-bottom:.5rem}.subtitle{text-align:center;color:#666;margin-bottom:2rem}form{flex-direction:column;gap:.7rem;display:flex}label{font-weight:600}input{border:1px solid #ccc;border-radius:8px;padding:.8rem;font-size:1rem}button{color:#fff;cursor:pointer;background:#111827;border:none;border-radius:8px;margin-top:1rem;padding:.9rem;font-size:1rem}button:hover{opacity:.9}.climb-history-page{background:#f3f4f6;min-height:100vh;padding:3rem 1.5rem}.climb-history-container{max-width:900px;margin:0 auto}.climb-history-container h1{text-align:center;margin-bottom:.5rem}.climb-history-subtitle{text-align:center;color:#666;margin-bottom:2rem}.climb-item{background:#fff;border-radius:16px;margin-bottom:1rem;padding:1.5rem;box-shadow:0 5px 15px #00000014}.climb-item-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.climb-item-header h2{margin:0;font-size:1.5rem}.climb-date{color:#666;font-size:.9rem}.climb-details{grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1rem;display:grid}.climb-detail{background:#f9fafb;border-radius:8px;padding:.8rem}.climb-detail-label{color:#666;margin-bottom:.2rem;font-size:.8rem;display:block}.climb-detail-value{font-weight:600}.climb-notes{color:#444;border-top:1px solid #eee;padding-top:1rem}.climb-notes strong{margin-bottom:.3rem;display:block}.climb-completed{border-radius:999px;padding:.35rem .7rem;font-size:.8rem;font-weight:600}.climb-completed.completed{color:#166534;background:#dcfce7}.climb-completed.failed{color:#991b1b;background:#fee2e2}.no-climbs{text-align:center;color:#666;background:#fff;border-radius:16px;padding:3rem;box-shadow:0 5px 15px #00000014}.attempts-control{align-items:center;gap:.75rem;display:flex}.attempt-button{color:#111827;cursor:pointer;background:#f9fafb;border:1px solid #d1d5db;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;margin:0;padding:0;font-size:1.1rem;font-weight:600;display:flex}.attempt-button:hover{background:#e5e7eb}.attempt-button:active{transform:scale(.95)}.climb-actions{gap:10px;margin-top:1rem;display:flex}.climb-actions button{cursor:pointer;border-radius:6px;width:auto;padding:8px 16px;font-size:14px;font-weight:600;transition:background-color .2s,transform .1s}.edit-button{color:#374151;background:#fff;border:1px solid #d1d5db}.submit-button{color:#fff;background:#333;border:1px solid #333}.submit-button:hover{background:#222}.climb-actions button:active{transform:scale(.97)}.delete-button{color:#374151;background:red;border:1px solid #d1d5db}.edit-button:hover{background:#f3f4f6}.upload-button{color:#fff;cursor:pointer;background:#333;border-radius:8px;justify-content:center;align-items:center;padding:10px 16px;font-weight:500;transition:background .2s;display:inline-flex}.upload-button:hover{background:#444}.upload-button input{display:none}.stats-page{background:#f3f4f6;min-height:100vh;padding:3rem 1.5rem}.stats-container{max-width:900px;margin:0 auto}.stats-container h1{text-align:center;margin-bottom:.5rem}.stats-subtitle{text-align:center;color:#666;margin-bottom:2rem}.stats-grid{grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:2rem;display:grid}.stat-card{background:#fff;border-radius:16px;flex-direction:column;justify-content:center;align-items:center;min-height:110px;padding:1.5rem;display:flex;box-shadow:0 5px 15px #00000014}.stat-label{color:#666;margin-bottom:.5rem;font-size:.9rem}.stat-value{color:#111827;font-size:2rem;font-weight:700}.stats-section{background:#fff;border-radius:16px;padding:1.5rem;box-shadow:0 5px 15px #00000014}.stats-section h2{margin-top:0;margin-bottom:1.5rem}.grade-list{flex-direction:column;gap:.5rem;display:flex}.grade-row{background:#f9fafb;border-radius:8px;grid-template-columns:80px 1fr 1fr 1fr;align-items:center;padding:.9rem 1rem;display:grid}.grade-name{font-size:1.1rem;font-weight:700}.climb-detail-page{justify-content:center;align-items:flex-start;min-height:100vh;padding-top:80px;padding-bottom:80px;display:flex}.climb-detail-card{background:#fff;border-radius:10px;width:600px;padding:30px;box-shadow:0 4px 15px #0000001a}.climb-detail-card h1{margin-bottom:8px}.climb-detail-card .subtitle{color:#666;margin-bottom:25px}.climb-info{flex-direction:column;gap:0;margin-bottom:30px;display:flex}.climb-info-row{border-bottom:1px solid #eee;justify-content:space-between;padding:14px 0;display:flex}.climb-info-label{color:#666}.climb-info-value{font-weight:500}.video-section{margin-top:30px}.video-section h2{margin-bottom:15px}.video-container{aspect-ratio:16/9;color:#666;background:#f3f3f3;border-radius:8px;justify-content:center;align-items:center;width:100%;display:flex;overflow:hidden}.video-container video{object-fit:contain;width:100%;height:100%}.error-message{color:#c0392b}