@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Noto+Sans+JP:wght@400;500;600;700&display=swap";.app{width:100%;min-height:100vh;background:var(--gray-50)}.container{width:100%;padding:0}.page-title{font-size:1.625rem;font-weight:700;color:var(--gray-900);margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid var(--primary);display:inline-flex;align-items:center;gap:.75rem;letter-spacing:-.025em}.page-title .icon{color:var(--primary)}.card{background:#fff;border-radius:12px;padding:1.5rem;border:1px solid var(--gray-200);margin-bottom:1rem;box-shadow:var(--shadow-sm);transition:all .2s ease}.card:hover{box-shadow:var(--shadow)}.card h2{color:var(--gray-800);font-size:1.125rem;font-weight:600;margin-bottom:1rem;display:flex;align-items:center;gap:.5rem;letter-spacing:-.01em}.card h3{color:var(--gray-700);font-size:1rem;font-weight:600;margin-bottom:.5rem}.card p{color:var(--gray-500);font-size:.875rem;line-height:1.6}.dashboard-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:1rem}.stats-card{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;text-align:center;padding:2rem 1.5rem;border-radius:16px;border:none;box-shadow:var(--shadow-md);position:relative;overflow:hidden}.stats-card:before{content:"";position:absolute;top:0;right:0;width:100px;height:100px;background:#ffffff1a;border-radius:50%;transform:translate(30%,-30%)}.stats-card h2{color:#ffffffe6;font-size:.8125rem;font-weight:500;text-transform:uppercase;letter-spacing:.075em;margin-bottom:.75rem}.stats-value{font-size:3rem;font-weight:700;margin:.75rem 0;line-height:1;letter-spacing:-.025em}.stats-label{font-size:.875rem;font-weight:500;opacity:.9}.action-card{cursor:pointer;transition:all .2s ease;display:flex;flex-direction:column;height:100%}.action-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}.card-icon{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:1rem;background:var(--primary-bg);color:var(--primary);transition:all .2s ease}.action-card:hover .card-icon{transform:scale(1.05)}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--gray-100) 0%,var(--gray-50) 100%);padding:1.5rem}.login-card{background:#fff;border-radius:16px;padding:2.5rem 2rem;border:1px solid var(--gray-200);max-width:400px;width:100%;box-shadow:var(--shadow-lg)}.login-card h1{color:var(--primary);font-size:1.75rem;margin-bottom:.25rem;text-align:center;font-weight:700;letter-spacing:-.025em}.login-card h2{color:var(--gray-500);font-size:1rem;margin-bottom:2rem;text-align:center;font-weight:400}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--gray-700);font-weight:500;font-size:.875rem}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem 1rem;border:1px solid var(--gray-300);border-radius:10px;font-size:.9375rem;transition:all .2s ease;background:#fff;font-family:inherit}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-bg)}.login-button{width:100%;padding:.875rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 14px #4f46e566}.login-button:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #4f46e580}.login-button:active:not(:disabled){transform:translateY(0)}.login-button:disabled{opacity:.6;cursor:not-allowed;transform:none}.error-message{background:var(--accent-red-light);color:var(--accent-red);padding:.875rem 1rem;border-radius:10px;margin-bottom:1rem;font-size:.875rem;border-left:4px solid var(--accent-red);display:flex;align-items:center;gap:.5rem}.transaction-item{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;background:var(--gray-50);border-radius:10px;margin-bottom:.75rem;border:1px solid var(--gray-200);transition:all .2s ease}.transaction-item:hover{background:#fff;box-shadow:var(--shadow)}.transaction-info{display:flex;align-items:center;gap:.875rem}.transaction-icon{width:44px;height:44px;border-radius:10px;background:var(--primary-bg);color:var(--primary);display:flex;align-items:center;justify-content:center}.transaction-icon.income{background:var(--accent-green-light);color:var(--accent-green)}.transaction-icon.expense{background:var(--accent-red-light);color:var(--accent-red)}.transaction-details h4{color:var(--gray-800);font-size:.9375rem;font-weight:500;margin-bottom:.125rem}.transaction-details p{color:var(--gray-500);font-size:.8125rem}.transaction-amount{font-size:1.125rem;font-weight:600}.transaction-amount.positive{color:var(--accent-green)}.transaction-amount.negative{color:var(--accent-red)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.125rem;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s 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tr:last-child td{border-bottom:none}.badge{display:inline-flex;align-items:center;padding:.25rem .75rem;border-radius:9999px;font-size:.75rem;font-weight:600}.badge-primary{background:var(--primary-bg);color:var(--primary)}.badge-success{background:var(--accent-green-light);color:var(--accent-green)}.badge-warning{background:var(--accent-yellow-light);color:var(--accent-yellow)}.badge-danger{background:var(--accent-red-light);color:var(--accent-red)}.empty-state{text-align:center;padding:3rem 1.5rem;color:var(--gray-500)}.empty-state-icon{width:64px;height:64px;margin:0 auto 1rem;border-radius:16px;background:var(--gray-100);display:flex;align-items:center;justify-content:center;color:var(--gray-400)}.empty-state h3{font-size:1.125rem;font-weight:600;color:var(--gray-700);margin-bottom:.5rem}.empty-state p{font-size:.875rem}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:80px 20px;color:var(--gray-500)}.loading-spinner{width:48px;height:48px;border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:1rem}@keyframes spin{to{transform:rotate(360deg)}}.loading-text{font-size:.9375rem;font-weight:500}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f172a99;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn .2s ease-out}.modal-content{background:#fff;border-radius:16px;padding:2rem;max-width:480px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .3s ease-out}.tabs{display:flex;gap:4px;margin-bottom:1.5rem;border-bottom:1px solid var(--gray-200)}.tab{padding:.75rem 1.25rem;border:none;background:none;font-size:.875rem;font-weight:500;color:var(--gray-500);cursor:pointer;position:relative;transition:all .2s ease}.tab:hover{color:var(--gray-700)}.tab.active{color:var(--primary);font-weight:600}.tab.active:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--primary);border-radius:2px 2px 0 0}.student-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.student-action-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:24px}@media (max-width: 768px){.dashboard-grid,.student-hero-grid{grid-template-columns:1fr}.student-action-grid{grid-template-columns:repeat(2,1fr);gap:10px}.stats-value{font-size:2.5rem}.login-card{padding:2rem 1.5rem}.page-title{font-size:1.375rem}.modal-content{padding:1.5rem;margin:1rem}}@media (max-width: 480px){.student-action-grid{grid-template-columns:1fr}}.app-layout{display:grid;grid-template-areas:"header header" "sidebar main";grid-template-columns:240px 1fr;grid-template-rows:64px 1fr;height:100vh;background:var(--gray-50)}.app-header{grid-area:header;display:flex;justify-content:space-between;align-items:center;padding:0 1.5rem;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-dark) 100%);color:#fff;box-shadow:0 2px 8px #4f46e54d;position:relative;z-index:10}.header-left{display:flex;align-items:center;gap:1.5rem}.app-logo{display:flex;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;cursor:pointer;transition:opacity .2s}.app-logo:hover{opacity:.9}.logo-image{height:56px;width:auto;object-fit:contain;filter:drop-shadow(0 1px 3px rgba(0,0,0,.15))}.logo-text{font-size:1.125rem;font-weight:700;letter-spacing:.02em;opacity:.95}.header-right{display:flex;align-items:center;gap:.75rem}.icon-button{width:40px;height:40px;border:none;background:#ffffff1a;border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;color:#fff}.icon-button:hover{background:#fff3;transform:scale(1.05)}.user-menu{display:flex;align-items:center;gap:.75rem;padding:.5rem 1rem;background:#ffffff1a;border-radius:10px;cursor:pointer;transition:all .2s ease}.user-menu:hover{background:#fff3}.user-avatar{width:32px;height:32px;background:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary)}.user-name{font-weight:500;font-size:.875rem}.app-sidebar{grid-area:sidebar;background:#fff;padding:1.25rem 0;display:flex;flex-direction:column;justify-content:space-between;border-right:1px solid var(--gray-200);box-shadow:var(--shadow-sm)}.sidebar-nav{display:flex;flex-direction:column;gap:.25rem;padding:0 .75rem}.nav-item{display:flex;align-items:center;gap:.875rem;padding:.75rem 1rem;border:none;background:transparent;border-radius:10px;cursor:pointer;transition:all .2s ease;font-size:.9375rem;color:var(--gray-600);text-align:left;width:100%}.nav-item:hover{background:var(--gray-100);color:var(--gray-800)}.nav-item.active{background:var(--primary-bg);color:var(--primary);font-weight:600}.nav-item.active .nav-icon{color:var(--primary)}.nav-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--gray-500);transition:color .2s}.nav-item:hover .nav-icon{color:var(--gray-700)}.nav-label{flex:1}.logout-button{margin:.75rem;color:var(--accent-red)}.logout-button .nav-icon{color:var(--accent-red)}.logout-button:hover{background:var(--accent-red-light);color:var(--accent-red)}.app-main{grid-area:main;padding:1.75rem 2rem;overflow-y:auto;background:var(--gray-50)}@media (max-width: 768px){.app-layout{grid-template-areas:"header" "main";grid-template-columns:1fr;grid-template-rows:64px 1fr}.app-sidebar{display:none}.app-header{padding:0 1rem}.app-main{padding:1.25rem}.user-name{display:none}.icon-button{width:36px;height:36px}}:root{--primary: #4f46e5;--primary-light: #818cf8;--primary-dark: #3730a3;--primary-bg: #eef2ff;--accent-green: #059669;--accent-green-light: #d1fae5;--accent-red: #dc2626;--accent-red-light: #fee2e2;--accent-yellow: #d97706;--accent-yellow-light: #fef3c7;--gray-50: #f8fafc;--gray-100: #f1f5f9;--gray-200: #e2e8f0;--gray-300: #cbd5e1;--gray-400: #94a3b8;--gray-500: #64748b;--gray-600: #475569;--gray-700: #334155;--gray-800: #1e293b;--gray-900: #0f172a;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);font-family:Inter,Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6;font-weight:400;color-scheme:light;color:var(--gray-800);background-color:var(--gray-50);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{min-width:320px;min-height:100vh;background:var(--gray-50)}a{font-weight:500;color:var(--primary);text-decoration:none;transition:color .2s}a:hover{color:var(--primary-dark)}button{border-radius:8px;border:1px solid var(--gray-300);padding:.5em 1em;font-size:.875rem;font-weight:500;font-family:inherit;background-color:#fff;cursor:pointer;transition:all .2s ease}button:hover{background-color:var(--gray-50);border-color:var(--gray-400)}button:focus,button:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px}button:active{transform:translateY(1px)}input,select,textarea{padding:.625em .875em;font-size:.875rem;border-radius:8px;border:1px solid var(--gray-300);font-family:inherit;background:#fff;transition:all .2s ease}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-bg)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--gray-300);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-400)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.fade-in{animation:fadeIn .3s ease-out}.slide-up{animation:slideUp .3s ease-out}