@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--primary:#6366f1;--primary-light:#818cf8;--primary-dark:#4f46e5;--primary-container:#e0e7ff;--on-primary:#fff;--on-primary-container:#312e81;--secondary:#8b5cf6;--secondary-light:#a78bfa;--secondary-container:#ede9fe;--success:#10b981;--success-light:#d1fae5;--warning:#f59e0b;--warning-light:#fef3c7;--error:#f43f5e;--error-light:#ffe4e6;--info:#3b82f6;--surface:#f8fafc;--surface-card:#fff;--surface-elevated:#fff;--surface-dim:#f1f5f9;--surface-variant:#e2e8f0;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--text-on-dark:#f8fafc;--border:#e2e8f0;--border-focus:#6366f1;--shadow-xs:0 1px 2px #0f172a0a;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow-md:0 4px 6px -1px #0f172a0f, 0 2px 4px -2px #0f172a0a;--shadow-lg:0 10px 15px -3px #0f172a14, 0 4px 6px -4px #0f172a0a;--shadow-xl:0 20px 25px -5px #0f172a1a, 0 8px 10px -6px #0f172a0f;--gradient-primary:linear-gradient(135deg, #6366f1, #8b5cf6);--gradient-header:linear-gradient(135deg, #4f46e5, #7c3aed);--gradient-warm:linear-gradient(135deg, #f59e0b, #f43f5e);--gradient-cool:linear-gradient(135deg, #06b6d4, #6366f1);--gradient-success:linear-gradient(135deg, #10b981, #06b6d4);--space-xs:4px;--space-sm:8px;--space-md:16px;--space-lg:24px;--space-xl:32px;--space-2xl:48px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--radius-full:9999px;--font-family:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs:.75rem;--font-size-sm:.8125rem;--font-size-base:.9375rem;--font-size-lg:1.125rem;--font-size-xl:1.25rem;--font-size-2xl:1.5rem;--font-size-3xl:1.875rem;--font-size-4xl:2.25rem;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.35s cubic-bezier(.4, 0, .2, 1);--transition-spring:.5s cubic-bezier(.34, 1.56, .64, 1);--max-width:430px;--bottom-nav-height:72px;--header-height:56px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizelegibility;font-size:16px}body{font-family:var(--font-family);background:var(--surface);color:var(--text-primary);min-height:100vh;line-height:1.5;overflow-x:hidden}#root{max-width:var(--max-width);background:var(--surface);min-height:100vh;box-shadow:var(--shadow-xl);margin:0 auto;position:relative}a{color:var(--primary);text-decoration:none}img{max-width:100%;display:block}button{cursor:pointer;font-family:var(--font-family);background:0 0;border:none}input,textarea,select{font-family:var(--font-family);font-size:var(--font-size-base)}.page{min-height:100vh;padding-bottom:calc(var(--bottom-nav-height) + 16px)}.page-content{padding:var(--space-md)}.app-header{background:var(--gradient-header);padding:var(--space-lg) var(--space-md) var(--space-md);color:var(--on-primary);position:relative;overflow:hidden}.app-header:after{content:"";background:#ffffff0f;border-radius:50%;width:200px;height:200px;position:absolute;top:-50%;right:-20%}.app-header h1{font-size:var(--font-size-xl);letter-spacing:-.02em;font-weight:700}.app-header .subtitle{font-size:var(--font-size-sm);opacity:.8;margin-top:2px}.profile-header{background:var(--gradient-header);padding:var(--space-xl) var(--space-md) var(--space-2xl);color:var(--on-primary);text-align:center;border-radius:0 0 var(--radius-xl) var(--radius-xl);position:relative;overflow:hidden}.profile-header:before{content:"";background:#ffffff0a;border-radius:50%;width:300px;height:300px;position:absolute;top:-30%;left:-20%}.profile-header:after{content:"";background:#ffffff08;border-radius:50%;width:250px;height:250px;position:absolute;bottom:-40%;right:-15%}.profile-avatar{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:80px;height:80px;margin:0 auto var(--space-md);font-size:var(--font-size-2xl);letter-spacing:1px;background:#fff3;border:3px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex}.profile-name{font-size:var(--font-size-xl);font-weight:700}.profile-school{font-size:var(--font-size-sm);opacity:.85;margin-top:4px}.profile-badge{border-radius:var(--radius-full);font-size:var(--font-size-xs);margin-top:var(--space-sm);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffff26;align-items:center;gap:4px;padding:4px 12px;font-weight:500;display:inline-flex}.card{background:var(--surface-card);border-radius:var(--radius-lg);padding:var(--space-md);box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:transform var(--transition-fast), box-shadow var(--transition-fast)}.card:hover{box-shadow:var(--shadow-md)}.card-elevated{box-shadow:var(--shadow-md);border:none}.card-title{font-size:var(--font-size-base);color:var(--text-primary);margin-bottom:var(--space-sm);font-weight:600}.card-subtitle{font-size:var(--font-size-sm);color:var(--text-secondary)}.section-header{margin:var(--space-lg) 0 var(--space-md);justify-content:space-between;align-items:center;display:flex}.section-title{font-size:var(--font-size-lg);color:var(--text-primary);letter-spacing:-.01em;font-weight:700}.section-action{font-size:var(--font-size-sm);color:var(--primary);font-weight:500}.stats-row{gap:var(--space-sm);margin:calc(-1 * var(--space-lg)) var(--space-md) var(--space-md);z-index:2;grid-template-columns:repeat(3,1fr);display:grid;position:relative}.stat-card{background:var(--surface-card);border-radius:var(--radius-md);padding:var(--space-md);text-align:center;box-shadow:var(--shadow-md)}.stat-value{font-size:var(--font-size-xl);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-weight:800}.stat-label{font-size:var(--font-size-xs);color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-top:2px;font-weight:500}.btn{justify-content:center;align-items:center;gap:var(--space-sm);border-radius:var(--radius-md);font-size:var(--font-size-base);transition:all var(--transition-fast);padding:14px 24px;font-weight:600;display:inline-flex;position:relative;overflow:hidden}.btn-primary{background:var(--gradient-primary);color:var(--on-primary);box-shadow:0 4px 14px #6366f159}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f173}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--primary-container);color:var(--primary-dark)}.btn-secondary:hover{background:#c7d2fe}.btn-outline{border:2px solid var(--border);color:var(--text-primary);background:0 0}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-full{width:100%}.btn-sm{font-size:var(--font-size-sm);border-radius:var(--radius-sm);padding:8px 16px}.btn-icon{border-radius:var(--radius-full);width:40px;height:40px;padding:0}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.form-group{margin-bottom:var(--space-md)}.form-label{font-size:var(--font-size-sm);color:var(--text-secondary);margin-bottom:6px;font-weight:500;display:block}.form-input{border:2px solid var(--border);border-radius:var(--radius-md);width:100%;font-size:var(--font-size-base);color:var(--text-primary);background:var(--surface-card);transition:border-color var(--transition-fast), box-shadow var(--transition-fast);padding:14px 16px}.form-input:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f11a}.form-input::placeholder{color:var(--text-muted)}.input-wrapper{position:relative}.input-icon{color:var(--text-muted);font-size:18px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.input-icon+.form-input{padding-left:44px}.form-input-error{border-color:var(--error)}.form-error{font-size:var(--font-size-xs);color:var(--error);margin-top:4px}.form-textarea{resize:vertical;min-height:100px}.chip{border-radius:var(--radius-full);font-size:var(--font-size-xs);background:var(--surface-dim);color:var(--text-secondary);white-space:nowrap;transition:all var(--transition-fast);cursor:pointer;border:1.5px solid #0000;align-items:center;gap:4px;padding:6px 14px;font-weight:500;display:inline-flex}.chip.active{background:var(--primary-container);color:var(--primary-dark);border-color:var(--primary-light)}.chip:hover{background:var(--primary-container)}.badge{border-radius:var(--radius-full);font-size:var(--font-size-xs);justify-content:center;align-items:center;padding:2px 8px;font-weight:600;display:inline-flex}.badge-primary{background:var(--primary-container);color:var(--primary-dark)}.badge-success{background:var(--success-light);color:#065f46}.badge-warning{background:var(--warning-light);color:#92400e}.badge-error{background:var(--error-light);color:#be123c}.chips-row{gap:var(--space-sm);padding:var(--space-sm) var(--space-md);scrollbar-width:none;-ms-overflow-style:none;display:flex;overflow-x:auto}.chips-row::-webkit-scrollbar{display:none}.score-circle{width:120px;height:120px;margin:0 auto;position:relative}.score-circle svg{width:100%;height:100%;transform:rotate(-90deg)}.score-circle .bg{fill:none;stroke:var(--surface-dim);stroke-width:8px}.score-circle .progress{fill:none;stroke:url(#scoreGradient);stroke-width:8px;stroke-linecap:round;transition:stroke-dashoffset 1s ease-out}.score-value{text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.score-number{font-size:var(--font-size-2xl);color:var(--text-primary);font-weight:800}.score-label{font-size:var(--font-size-xs);color:var(--text-muted)}.progress-bar{background:var(--surface-dim);border-radius:var(--radius-full);width:100%;height:8px;overflow:hidden}.progress-fill{border-radius:var(--radius-full);background:var(--gradient-primary);height:100%;transition:width .8s ease-out}.progress-fill.success{background:var(--gradient-success)}.progress-fill.warning{background:var(--gradient-warm)}.project-card{background:var(--surface-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border);margin-bottom:var(--space-md);transition:transform var(--transition-fast), box-shadow var(--transition-fast);overflow:hidden}.project-card:active{transform:scale(.98)}.project-card-image{object-fit:cover;background:var(--gradient-cool);color:#fff;width:100%;height:160px;font-size:var(--font-size-3xl);justify-content:center;align-items:center;display:flex}.project-card-body{padding:var(--space-md)}.project-card-title{font-size:var(--font-size-base);color:var(--text-primary);margin-bottom:4px;font-weight:600}.project-card-meta{align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);display:flex}.project-card-author{font-size:var(--font-size-sm);color:var(--text-secondary)}.project-card-footer{padding-top:var(--space-sm);border-top:1px solid var(--border);justify-content:space-between;align-items:center;display:flex}.project-card-actions{align-items:center;gap:var(--space-md);display:flex}.project-action{font-size:var(--font-size-sm);color:var(--text-muted);cursor:pointer;transition:color var(--transition-fast);align-items:center;gap:4px;display:flex}.project-action:hover,.project-action.active{color:var(--primary)}.project-action.liked{color:var(--error)}.project-score-badge{background:var(--gradient-primary);color:#fff;width:44px;height:44px;font-size:var(--font-size-sm);border-radius:50%;justify-content:center;align-items:center;font-weight:700;display:flex;box-shadow:0 2px 8px #6366f14d}.podium{justify-content:center;align-items:flex-end;gap:var(--space-sm);padding:var(--space-lg) var(--space-md);display:flex}.podium-item{text-align:center;flex-direction:column;align-items:center;display:flex}.podium-item.first{order:2}.podium-item.second{order:1}.podium-item.third{order:3}.podium-avatar{width:56px;height:56px;font-weight:700;font-size:var(--font-size-lg);margin-bottom:var(--space-xs);border-radius:50%;justify-content:center;align-items:center;display:flex}.podium-item.first .podium-avatar{width:72px;height:72px;font-size:var(--font-size-xl);color:#92400e;background:linear-gradient(135deg,#fef3c7,#fbbf24);border:3px solid gold}.podium-item.second .podium-avatar{color:#475569;background:linear-gradient(135deg,#f1f5f9,#cbd5e1);border:3px solid silver}.podium-item.third .podium-avatar{color:#78350f;background:linear-gradient(135deg,#fef3c7,#d97706);border:3px solid #cd7f32}.podium-medal{margin-bottom:2px;font-size:20px}.podium-name{font-size:var(--font-size-sm);color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;max-width:90px;font-weight:600;overflow:hidden}.podium-rating{font-size:var(--font-size-xs);color:var(--text-muted);font-weight:500}.rank-list{padding:0 var(--space-md)}.rank-item{align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--surface-card);border-radius:var(--radius-md);margin-bottom:var(--space-sm);box-shadow:var(--shadow-xs);border:1px solid var(--border);transition:all var(--transition-fast);display:flex}.rank-item.current-user{background:var(--primary-container);border-color:var(--primary-light)}.rank-number{text-align:center;width:32px;color:var(--text-muted);font-weight:700;font-size:var(--font-size-base)}.rank-avatar{background:var(--gradient-primary);color:#fff;width:40px;height:40px;font-weight:600;font-size:var(--font-size-sm);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.rank-info{flex:1;min-width:0}.rank-name{font-weight:600;font-size:var(--font-size-sm);color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rank-school{font-size:var(--font-size-xs);color:var(--text-muted)}.rank-stats{text-align:right}.rank-rating{font-weight:700;font-size:var(--font-size-base);background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.rank-projects{font-size:var(--font-size-xs);color:var(--text-muted)}.bottom-nav{width:100%;max-width:var(--max-width);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border);height:var(--bottom-nav-height);padding:0 var(--space-sm);z-index:100;background:#fffffff2;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item{border-radius:var(--radius-lg);transition:all var(--transition-fast);color:var(--text-muted);-webkit-tap-highlight-color:transparent;flex-direction:column;align-items:center;gap:2px;padding:8px 12px;display:flex;position:relative}.nav-item.active{color:var(--primary)}.nav-item.active:before{content:"";background:var(--primary);border-radius:0 0 3px 3px;width:32px;height:3px;position:absolute;top:0;left:50%;transform:translate(-50%)}.nav-icon{font-size:22px;line-height:1}.nav-label{text-transform:uppercase;letter-spacing:.3px;font-size:10px;font-weight:500}.tab-bar{background:var(--surface-dim);border-radius:var(--radius-md);margin:var(--space-md);scrollbar-width:none;gap:2px;padding:3px;display:flex;overflow-x:auto}.tab-bar::-webkit-scrollbar{display:none}.tab-item{text-align:center;font-size:var(--font-size-sm);color:var(--text-secondary);border-radius:var(--radius-sm);transition:all var(--transition-fast);white-space:nowrap;cursor:pointer;flex:1;min-width:64px;padding:10px 12px;font-weight:500}.tab-item.active{background:var(--surface-card);color:var(--primary);box-shadow:var(--shadow-sm);font-weight:600}.auth-page{background:var(--surface);flex-direction:column;min-height:100vh;display:flex}.auth-header{text-align:center;padding:var(--space-2xl) var(--space-md) var(--space-xl)}.auth-logo{width:72px;height:72px;margin:0 auto var(--space-md);background:var(--gradient-primary);border-radius:var(--radius-xl);justify-content:center;align-items:center;display:flex;box-shadow:0 8px 30px #6366f14d}.auth-logo svg{color:#fff;width:36px;height:36px}.auth-title{font-size:var(--font-size-2xl);color:var(--text-primary);letter-spacing:-.02em;font-weight:800}.auth-subtitle{font-size:var(--font-size-sm);color:var(--text-secondary);margin-top:4px}.auth-form{padding:0 var(--space-lg);flex:1}.auth-footer{text-align:center;padding:var(--space-lg);font-size:var(--font-size-sm);color:var(--text-secondary)}.auth-footer a{font-weight:600}.auth-divider{align-items:center;gap:var(--space-md);margin:var(--space-lg) 0;color:var(--text-muted);font-size:var(--font-size-sm);display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.loading-spinner{border:3px solid var(--surface-dim);border-top-color:var(--primary);width:40px;height:40px;margin:var(--space-xl) auto;border-radius:50%;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-page{justify-content:center;align-items:center;gap:var(--space-md);min-height:300px;color:var(--text-muted);flex-direction:column;display:flex}.skeleton{background:linear-gradient(90deg, var(--surface-dim) 25%, var(--surface-variant) 50%, var(--surface-dim) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s ease-in-out infinite shimmer}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.ai-feedback-card{border-radius:var(--radius-lg);padding:var(--space-md);border-left:4px solid var(--primary);background:linear-gradient(135deg,#eef2ff,#e0e7ff);position:relative}.ai-feedback-card:before{content:"✦";top:var(--space-md);right:var(--space-md);opacity:.3;font-size:20px;position:absolute}.ai-feedback-quote{font-size:var(--font-size-sm);color:var(--text-secondary);font-style:italic;line-height:1.6}.ai-feedback-label{font-size:var(--font-size-xs);color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:var(--space-sm);align-items:center;gap:4px;font-weight:600;display:flex}.grade-metric{align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);display:flex}.grade-metric-label{width:100px;font-size:var(--font-size-sm);color:var(--text-secondary);flex-shrink:0;font-weight:500}.grade-metric-bar{flex:1}.grade-metric-value{text-align:right;width:40px;font-weight:700;font-size:var(--font-size-sm);color:var(--text-primary)}.empty-state{text-align:center;padding:var(--space-2xl) var(--space-md);color:var(--text-muted)}.empty-state-icon{margin-bottom:var(--space-md);opacity:.4;font-size:48px}.empty-state-title{font-size:var(--font-size-lg);color:var(--text-secondary);margin-bottom:var(--space-sm);font-weight:600}.empty-state-text{font-size:var(--font-size-sm);color:var(--text-muted);max-width:260px;margin:0 auto var(--space-lg)}.toast{max-width:calc(var(--max-width) - 32px);width:100%;padding:var(--space-md);border-radius:var(--radius-md);font-size:var(--font-size-sm);z-index:1000;box-shadow:var(--shadow-lg);font-weight:500;animation:.3s ease-out slideDown;position:fixed;top:20px;left:50%;transform:translate(-50%)}.toast-success{background:var(--success);color:#fff}.toast-error{background:var(--error);color:#fff}@keyframes slideDown{0%{opacity:0;transform:translate(-50%)translateY(-100%)}to{opacity:1;transform:translate(-50%)translateY(0)}}.upload-card{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:var(--space-xl);text-align:center;transition:all var(--transition-fast);cursor:pointer}.upload-card:hover{border-color:var(--primary);background:var(--primary-container)}.upload-icon{margin-bottom:var(--space-sm);color:var(--text-muted);font-size:36px}.radar-chart-container{padding:var(--space-md);background:var(--surface-card);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--border)}.tags-container{gap:var(--space-xs);margin-top:var(--space-xs);flex-wrap:wrap;display:flex}.tag{background:var(--primary-container);color:var(--primary-dark);border-radius:var(--radius-full);font-size:var(--font-size-xs);align-items:center;gap:4px;padding:4px 10px;font-weight:500;display:inline-flex}.tag-remove{cursor:pointer;opacity:.6;font-size:14px}.tag-remove:hover{opacity:1}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:.3s ease-out fadeIn}.slide-up{animation:.4s ease-out slideUp}.form-select{border:2px solid var(--border);border-radius:var(--radius-md);width:100%;font-size:var(--font-size-base);color:var(--text-primary);background:var(--surface-card);appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%2394A3B8' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");background-position:right 14px center;background-repeat:no-repeat;padding:14px 16px}.form-select:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #6366f11a}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-full)}