:root{--color-primary: #5249E0;--color-primary-dark: #4338CA;--color-primary-hover: #4035BD;--color-primary-light: #818CF8;--color-primary-glow: rgba(99, 102, 241, .28);--color-primary-subtle: #EFF1FF;--color-accent: #10B981;--color-accent-dark: #059669;--color-accent-hover: #047857;--color-accent-light: #34D399;--color-accent-glow: rgba(16, 185, 129, .26);--color-bg-primary: #F7F7FA;--color-bg-secondary: #F1F1F6;--color-bg-tertiary: #ECEDF2;--color-bg-card: #FFFFFF;--color-bg-elevated: #FFFFFF;--color-bg-glass: #FFFFFF;--color-bg-glass-hover: #F4F5F8;--color-bg-input: #FFFFFF;--color-text-primary: #15151C;--color-text-secondary: #5B5B68;--color-text-muted: #9A9AA8;--color-text-inverse: #FFFFFF;--color-border: rgba(20, 20, 35, .08);--color-border-light: rgba(20, 20, 35, .14);--color-border-focus: rgba(99, 102, 241, .5);--color-success: #059669;--color-success-bg: #E9FBF2;--color-warning: #C7890B;--color-warning-bg: #FCF3DC;--color-danger: #E5484D;--color-danger-bg: #FDECEC;--color-info: #4F7BF5;--color-info-bg: #EAF0FE;--color-grade-a: #0EA66E;--color-grade-b: #4F7BF5;--color-grade-c: #E0A209;--color-grade-d: #EA7E2C;--color-grade-f: #E5484D;--color-zinc-50: #15151C;--color-zinc-100: #27272A;--color-zinc-200: #3F3F46;--color-zinc-300: #52525B;--color-zinc-400: #71717A;--color-zinc-500: #9A9AA8;--color-zinc-600: #C2C2CE;--color-zinc-700: #D9D9E2;--color-zinc-800: #ECEDF2;--color-zinc-900: #F4F4F7;--color-zinc-950: #FAFAFC;--font-family: "Schibsted Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;--font-family-serif: "Instrument Serif", "Times New Roman", Georgia, serif;--font-family-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;--font-size-xs: .75rem;--font-size-sm: .8125rem;--font-size-base: .875rem;--font-size-lg: 1rem;--font-size-xl: 1.125rem;--font-size-2xl: 1.25rem;--font-size-3xl: 1.5rem;--font-size-4xl: 2rem;--font-size-5xl: 2.5rem;--font-size-6xl: 3.5rem;--spacing-0: 0;--spacing-px: 1px;--spacing-0-5: .125rem;--spacing-1: .25rem;--spacing-1-5: .375rem;--spacing-2: .5rem;--spacing-2-5: .625rem;--spacing-3: .75rem;--spacing-4: 1rem;--spacing-5: 1.25rem;--spacing-6: 1.5rem;--spacing-8: 2rem;--spacing-10: 2.5rem;--spacing-12: 3rem;--spacing-16: 4rem;--spacing-20: 5rem;--radius-sm: .5rem;--radius-md: .625rem;--radius-lg: .875rem;--radius-xl: 1.125rem;--radius-2xl: 1.5rem;--radius-3xl: 2rem;--radius-full: 9999px;--shadow-xs: 0 1px 2px rgba(22, 22, 40, .05);--shadow-sm: 0 2px 6px rgba(22, 22, 40, .06), 0 1px 2px rgba(22, 22, 40, .04);--shadow-md: 0 8px 24px -8px rgba(22, 22, 40, .14), 0 2px 6px rgba(22, 22, 40, .05);--shadow-lg: 0 22px 50px -18px rgba(28, 28, 60, .22), 0 6px 16px -8px rgba(22, 22, 40, .08);--shadow-xl: 0 40px 90px -30px rgba(28, 28, 70, .3), 0 10px 30px -16px rgba(22, 22, 40, .1);--shadow-glow: 0 18px 40px -16px var(--color-primary-glow);--shadow-glow-accent: 0 18px 40px -16px var(--color-accent-glow);--shadow-inner: inset 0 1px 2px rgba(22, 22, 40, .05);--glass-bg: #FFFFFF;--glass-border: rgba(20, 20, 35, .08);--glass-blur: 16px;--glass-blur-lg: 24px;--transition-fast: .16s cubic-bezier(.4, 0, .2, 1);--transition-normal: .22s cubic-bezier(.4, 0, .2, 1);--transition-slow: .32s cubic-bezier(.16, 1, .3, 1);--transition-spring: .48s cubic-bezier(.34, 1.56, .64, 1);--transition-spring-lg: .62s cubic-bezier(.22, 1.4, .36, 1);--z-base: 0;--z-dropdown: 100;--z-sticky: 200;--z-overlay: 300;--z-modal: 400;--z-toast: 500;--z-tooltip: 600}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}body{font-family:var(--font-family);background:var(--color-bg-primary);color:var(--color-text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden;font-feature-settings:"ss01" on,"cv01" on}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(ellipse 90% 50% at 50% 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var(--transition-normal)}.header.hidden{display:none}.header-content{display:flex;justify-content:space-between;align-items:center;width:100%;max-width:1200px;margin:0 auto}.user-menu{display:flex;align-items:center;gap:var(--spacing-3)}.main-content{flex:1;padding:var(--spacing-10) var(--spacing-6);max-width:1200px;margin:0 auto;width:100%;animation:viewIn .5s cubic-bezier(.16,1,.3,1)}@keyframes viewIn{0%{transform:translateY(12px)}to{transform:none}}h1{font-family:var(--font-family-serif);font-size:clamp(2rem,4vw,2.9rem);font-weight:400;color:var(--color-text-primary);letter-spacing:-.02em;line-height:1.05;margin-bottom:var(--spacing-2)}h1 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var(--transition-spring);display:inline-flex;align-items:center;gap:var(--spacing-1-5)}.breadcrumb a:hover,.breadcrumb-link:hover{color:var(--color-primary)}.breadcrumb-separator{color:var(--color-zinc-600)}.breadcrumb-current{color:var(--color-text-secondary)}.page-header{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:var(--spacing-8);gap:var(--spacing-4);flex-wrap:wrap}.page-header h1{margin-bottom:0}.header-actions{display:flex;gap:var(--spacing-3)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-4)}.empty-state{text-align:center;padding:var(--spacing-16);color:var(--color-text-secondary);border:1.5px dashed var(--color-border-light);border-radius:var(--radius-2xl);background:#fff6}.empty-state-icon{font-size:3.5rem;margin-bottom:var(--spacing-4);opacity:.7;display:flex;justify-content:center}.empty-state-title{font-family:var(--font-family-serif);font-weight:400;font-size:var(--font-size-3xl);color:var(--color-text-primary);margin-bottom:var(--spacing-2)}.empty-state-text{font-size:var(--font-size-base);margin-bottom:var(--spacing-6);color:var(--color-text-secondary);max-width:340px;margin-left:auto;margin-right:auto}.grade-a{color:var(--color-grade-a)!important}.grade-b{color:var(--color-grade-b)!important}.grade-c{color:var(--color-grade-c)!important}.grade-d{color:var(--color-grade-d)!important}.grade-f{color:var(--color-grade-f)!important}.text-center{text-align:center}.text-muted{color:var(--color-text-muted)}.tnum{font-variant-numeric:tabular-nums}.mt-4{margin-top:var(--spacing-4)}.mt-6{margin-top:var(--spacing-6)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes popIn{0%{transform:translateY(16px) scale(.98)}to{transform:none}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.semesters-grid>*,.classes-grid>*,.categories-grid>*{animation:popIn .5s 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var(--color-bg-primary)}::-webkit-scrollbar-thumb:hover{background:var(--color-zinc-600)}::selection{background:#c7d2fe;color:var(--color-primary-dark)}@media(max-width:768px){.header{padding:var(--spacing-3) var(--spacing-4)}.main-content{padding:var(--spacing-6) var(--spacing-4)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-2);font-family:var(--font-family);font-size:var(--font-size-sm);font-weight:600;padding:var(--spacing-2-5) var(--spacing-4);height:38px;border-radius:var(--radius-full);border:1px solid transparent;cursor:pointer;transition:transform var(--transition-spring),box-shadow var(--transition-normal),background var(--transition-normal),color var(--transition-normal),border-color var(--transition-normal);text-decoration:none;white-space:nowrap;touch-action:manipulation;-webkit-tap-highlight-color:transparent;outline:none;position:relative;letter-spacing:-.01em}.btn:active{transform:scale(.95)}.btn:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.btn-primary{background:linear-gradient(180deg,var(--color-primary-light),var(--color-primary));color:#fff;border-color:transparent;box-shadow:var(--shadow-glow),inset 0 1px #ffffff40}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 44px -16px var(--color-primary-glow),inset 0 1px #ffffff40}.btn-primary:active{transform:scale(.96);box-shadow:var(--shadow-sm)}.btn-secondary{background:var(--color-bg-card);color:var(--color-text-primary);border-color:var(--color-border-light);box-shadow:var(--shadow-xs)}.btn-secondary:hover{color:var(--color-text-primary);border-color:var(--color-zinc-600);box-shadow:var(--shadow-sm);transform:translateY(-2px)}.btn-accent{background:linear-gradient(180deg,var(--color-accent-light),var(--color-accent));color:#fff;border-color:transparent;box-shadow:var(--shadow-glow-accent),inset 0 1px #ffffff40}.btn-accent:hover{transform:translateY(-2px);box-shadow:0 22px 44px -16px var(--color-accent-glow),inset 0 1px #ffffff40}.btn-danger{background:var(--color-bg-card);color:var(--color-danger);border-color:var(--color-border-light);box-shadow:var(--shadow-xs)}.btn-danger:hover{background:var(--color-danger-bg);border-color:#e5484d59}.btn-ghost{background:transparent;color:var(--color-text-secondary);padding:var(--spacing-2);height:auto;min-height:auto;border-radius:var(--radius-md);box-shadow:none}.btn-ghost:hover{background:var(--color-bg-glass-hover);color:var(--color-text-primary)}.btn-sm{font-size:var(--font-size-xs);padding:var(--spacing-1-5) var(--spacing-3);height:32px}.btn-lg{font-size:var(--font-size-base);padding:var(--spacing-3) var(--spacing-6);height:44px}.btn-xl{font-size:var(--font-size-lg);padding:var(--spacing-4) var(--spacing-8);height:50px}.btn-block{width:100%}.btn-icon{padding:var(--spacing-2);min-width:38px;min-height:38px;height:38px;border-radius:var(--radius-md)}.btn-add{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--spacing-3);background:transparent;border:1.5px dashed var(--color-border-light);color:var(--color-text-muted);padding:var(--spacing-8);min-height:180px;border-radius:var(--radius-2xl);transition:all var(--transition-spring);width:100%;font-size:var(--font-size-sm);font-weight:600;cursor:pointer}.btn-add:hover{border-color:var(--color-primary-light);color:var(--color-primary);background:var(--color-primary-subtle);border-style:solid;transform:translateY(-3px)}.btn-add .plus-icon{font-size:1.5rem;font-weight:300;line-height:1;width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:var(--color-bg-card);border:1px solid var(--color-border);box-shadow:var(--shadow-xs);transition:transform var(--transition-spring)}.btn-add:hover .plus-icon{transform:rotate(90deg) scale(1.08)}.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none;transform:none!important}.btn-group{display:flex;gap:var(--spacing-2)}@media(max-width:768px){.btn-group{flex-direction:column}.btn-group .btn{width:100%}}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-5);box-shadow:var(--shadow-sm);transition:transform var(--transition-spring),box-shadow var(--transition-normal),border-color var(--transition-normal)}.card:hover{border-color:var(--color-border-light)}.card-header{margin-bottom:var(--spacing-4)}.card-title{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text-primary);letter-spacing:-.01em}.card-subtitle{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:var(--spacing-1)}.class-card{cursor:pointer;padding:var(--spacing-5);min-height:168px;display:flex;flex-direction:column;justify-content:space-between;background:var(--color-bg-card);position:relative;overflow:hidden}.class-card:before{content:"";position:absolute;top:0;left:0;bottom:0;width:4px;background:linear-gradient(180deg,var(--color-primary) 0%,var(--color-accent) 100%);opacity:0;transition:opacity var(--transition-normal)}.class-card:hover{border-color:var(--color-border-light);transform:translateY(-5px);box-shadow:var(--shadow-lg)}.class-card:active{transform:translateY(-2px) scale(.99)}.class-card:hover:before{opacity:1}.class-card .card-title{font-size:var(--font-size-xl);letter-spacing:-.02em}.grade-display{display:flex;align-items:baseline;gap:var(--spacing-3);margin-top:auto;padding-top:var(--spacing-4)}.grade-display .letter-grade{font-family:var(--font-family-serif);font-size:2.9rem;font-weight:400;line-height:.9;letter-spacing:-.01em}.grade-display .percentage{font-family:var(--font-family-mono);font-size:var(--font-size-sm);color:var(--color-text-secondary);font-weight:500}.gpa-card{background:linear-gradient(165deg,var(--color-primary-dark),var(--color-primary));border:none;border-radius:var(--radius-2xl);padding:var(--spacing-6);color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-glow)}.gpa-card:before{content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;background:radial-gradient(circle,var(--color-accent-light),transparent 70%);opacity:.4;filter:blur(16px);pointer-events:none}.gpa-card-title{font-family:var(--font-family-mono);font-size:var(--font-size-xs);font-weight:500;color:#ffffffd1;text-transform:uppercase;letter-spacing:.18em;margin-bottom:var(--spacing-3);position:relative}.gpa-value{font-family:var(--font-family-serif);font-size:4.4rem;font-weight:400;color:#fff;line-height:.92;letter-spacing:-.02em;position:relative;font-variant-numeric:tabular-nums}.gpa-value .gpa-scale{font-family:var(--font-family);font-size:var(--font-size-xl);color:#fff9;font-weight:400}.gpa-details{margin-top:var(--spacing-5);padding-top:var(--spacing-4);border-top:1px solid rgba(255,255,255,.18);position:relative}.gpa-detail-row{display:flex;justify-content:space-between;padding:var(--spacing-1-5) 0;font-size:var(--font-size-sm);color:#ffffffdb}.gpa-detail-row small{color:#ffffffa6}.class-summary-list{margin-top:var(--spacing-4);padding-top:var(--spacing-4);border-top:1px solid rgba(255,255,255,.18);position:relative}.class-summary-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-1-5) 0;font-size:var(--font-size-sm)}.class-summary-name{color:#ffffffdb}.class-summary-grade{font-family:var(--font-family-serif);font-weight:400;font-size:var(--font-size-xl);padding:0;background:transparent;color:#fff}.gpa-card .class-summary-grade.grade-a{color:#6ee7b7!important}.gpa-card .class-summary-grade.grade-b{color:#bfd3ff!important}.gpa-card .class-summary-grade.grade-c{color:#fce08a!important}.gpa-card .class-summary-grade.grade-d{color:#ffc59b!important}.gpa-card .class-summary-grade.grade-f{color:#ffb4b6!important}.category-card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-xl);padding:var(--spacing-5);cursor:pointer;box-shadow:var(--shadow-sm);transition:transform var(--transition-spring),box-shadow var(--transition-normal),border-color var(--transition-normal)}.category-card:hover{border-color:var(--color-border-light);transform:translateY(-4px);box-shadow:var(--shadow-lg)}.category-card:active{transform:translateY(-1px) scale(.99)}.category-card .category-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-4)}.category-card .category-name{font-size:var(--font-size-lg);font-weight:600;color:var(--color-text-primary);letter-spacing:-.01em}.category-card .category-weight{background:var(--color-primary-subtle);color:var(--color-primary);padding:var(--spacing-1) var(--spacing-2-5);border-radius:var(--radius-full);font-family:var(--font-family-mono);font-size:var(--font-size-xs);font-weight:600;border:1px solid #E5E8FF}.category-card .category-body{margin-bottom:var(--spacing-3)}.category-card .category-grade{font-family:var(--font-family-serif);font-size:2.4rem;font-weight:400;color:var(--color-text-primary);letter-spacing:-.01em;line-height:1.05}.category-card .category-items{font-size:var(--font-size-xs);color:var(--color-text-muted);margin-top:var(--spacing-1)}.category-card .category-footer{padding-top:var(--spacing-3);border-top:1px solid var(--color-border)}.category-card .click-hint{font-size:var(--font-size-xs);font-weight:600;color:var(--color-text-muted);transition:color var(--transition-fast)}.category-card:hover .click-hint{color:var(--color-primary)}.modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background:#12121e5c;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:var(--z-modal);padding:var(--spacing-4);animation:fadeIn .2s ease}.modal{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-2xl);width:100%;max-width:480px;max-height:90vh;overflow-y:auto;animation:modalPop .5s cubic-bezier(.34,1.56,.64,1);box-shadow:var(--shadow-xl)}@keyframes modalPop{0%{opacity:0;transform:translateY(24px) 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