@import"https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@300;400;500&family=Inter:wght@300;400;500&display=swap";*{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #f5f3ef;--bg-secondary: #ebe8e2;--bg-card: #ffffff;--ink-dark: #2c2c2c;--ink-medium: #5a5a5a;--ink-light: #8a8a8a;--ink-faint: #b5b5b5;--accent: #7d9a78;--accent-light: #a8c4a2;--accent-dark: #5d7a58;--stone: #d4cfc5;--stone-dark: #b8b3a8;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .12);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 2px 8px rgba(0, 0, 0, .06);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .08)}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);min-height:100vh;display:flex;justify-content:center;align-items:flex-start;padding:60px 20px;color:var(--ink-dark);line-height:1.6}#app{width:100%;max-width:520px}.calculator-container{animation:fadeIn .6s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.calculator-frame{background:var(--bg-card);border-radius:16px;padding:40px;box-shadow:var(--shadow-lg);border:1px solid var(--border)}.calculator-header{text-align:center;margin-bottom:40px;padding-bottom:30px;border-bottom:1px solid var(--border)}.header-screws{display:none}.title{font-family:"Noto Serif JP",serif;font-size:1.75rem;font-weight:400;color:var(--ink-dark);letter-spacing:.05em}.display-panel{margin-bottom:40px}.lcd-screen{display:flex;justify-content:center;gap:60px;padding:30px 20px;background:var(--bg-secondary);border-radius:12px;border:1px solid var(--border)}.gpa-display,.units-display{display:flex;flex-direction:column;align-items:center;gap:8px}.gpa-label,.units-label{font-size:.7rem;color:var(--ink-light);text-transform:uppercase;letter-spacing:.15em;font-weight:500}.gpa-value{font-family:"Noto Serif 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var(--border-strong);border-radius:8px;background:var(--bg-card);color:var(--ink-dark);font-size:.95rem;font-family:inherit;cursor:pointer;appearance:none;text-align:center;transition:all .2s ease}.grade-select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #7d9a781a}.select-wrapper:after{content:"▾";position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--ink-light);font-size:.75rem;pointer-events:none}.add-button{width:100%;padding:16px 24px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:.9rem;font-weight:500;font-family:inherit;cursor:pointer;transition:all .3s ease;letter-spacing:.05em}.add-button:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.add-button:active{transform:translateY(0)}.button-text{display:block}.courses-section{background:var(--bg-secondary);border-radius:12px;overflow:hidden;border:1px solid var(--border)}.section-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--border)}.section-title{font-size:.7rem;font-weight:500;color:var(--ink-light);text-transform:uppercase;letter-spacing:.15em}.course-count{font-size:.75rem;color:var(--ink-light)}.courses-list{max-height:400px;overflow-y:auto}.courses-list::-webkit-scrollbar{width:4px}.courses-list::-webkit-scrollbar-track{background:transparent}.courses-list::-webkit-scrollbar-thumb{background:var(--stone-dark);border-radius:2px}.empty-state{padding:50px 20px;text-align:center;color:var(--ink-light)}.empty-icon{font-size:2rem;margin-bottom:12px;opacity:.5}.empty-state p{margin:4px 0;font-size:.9rem}.empty-hint{font-size:.8rem;opacity:.7}.course-card{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-card);border-bottom:1px solid var(--border);transition:background .2s ease}.course-card:last-child{border-bottom:none}.course-card:hover{background:#fafafa}.course-info{flex:1;min-width:0}.course-name-input{width:100%;background:transparent;border:none;color:var(--ink-dark);font-size:.95rem;font-weight:400;font-family:inherit;padding:4px 0;margin-bottom:8px;border-bottom:1px solid transparent;transition:border-color .2s ease}.course-name-input:hover{border-bottom-color:var(--border-strong)}.course-name-input:focus{outline:none;border-bottom-color:var(--accent)}.course-details{display:flex;gap:20px}.detail-item{display:flex;align-items:center;gap:8px}.detail-label{font-size:.7rem;color:var(--ink-light);text-transform:uppercase;letter-spacing:.05em}.units-inline,.grade-inline{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;color:var(--ink-dark);font-size:.85rem;font-family:inherit;padding:6px 10px;transition:all .2s ease}.units-inline{width:50px;text-align:center}.grade-inline{padding:6px 12px;appearance:none;cursor:pointer}.units-inline:focus,.grade-inline:focus{outline:none;border-color:var(--accent)}.delete-button{width:32px;height:32px;border:none;border-radius:50%;background:transparent;color:var(--ink-faint);font-size:1.25rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;margin-left:16px;flex-shrink:0}.delete-button:hover{background:#0000000d;color:var(--ink-medium)}.delete-button:active{transform:scale(.95)}@media(max-width:480px){body{padding:30px 16px}.calculator-frame{padding:30px 24px;border-radius:12px}.form-row{grid-template-columns:1fr;gap:16px}.lcd-screen{flex-direction:row;gap:40px}.gpa-value{font-size:2rem}.units-value{font-size:1.5rem}.course-details{flex-direction:column;gap:8px}.title{font-size:1.5rem}}.calculator-header:after{content:"";display:block;width:40px;height:2px;background:var(--stone-dark);margin:20px auto 0;border-radius:1px}.auth-form{margin-top:20px}.auth-title{font-family:"Noto Serif 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spin{to{transform:rotate(360deg)}}.calculator-header{position:relative}.user-info{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:16px}.user-email{font-size:.85rem;color:var(--ink-medium)}.logout-button{background:transparent;border:1px solid var(--border-strong);border-radius:6px;padding:6px 14px;font-size:.8rem;color:var(--ink-medium);cursor:pointer;transition:all .2s ease;font-family:inherit}.logout-button:hover{background:var(--bg-secondary);color:var(--ink-dark)}