@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap";
:root{--deep-amethyst:#5b2a86;--vibrant-amethyst:#8d59c6;--soft-lavender:#c7a6e8;--pale-lavender:#e8d5f5;--faint-lavender:#f5eefa;--mint-green:#3ed4a7;--mint-light:#a8f0d4;--mint-pale:#e0fbf1;--danger-red:#e55353;--danger-red-light:#ffe5e5;--danger-red-bg:#fff0f0;--warm-amber:#f5a623;--warm-amber-light:#fff3d6;--success-green:#22c55e;--cream:#f8f4fc;--surface:#fff;--surface-hover:#faf7fd;--dark-text:#1a0a2e;--body-text:#3d2b54;--muted-text:#7c6b8f;--border:#e8ddf0;--border-hover:#d4c4e3;--shadow-sm:0 1px 3px #5b2a860f;--shadow-md:0 4px 12px #5b2a8614;--shadow-lg:0 8px 30px #5b2a861f;--shadow-xl:0 20px 50px #5b2a8626;--shadow-glow:0 0 20px #8d59c633;--sidebar-width:260px;--navbar-height:64px;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-full:9999px;--transition-fast:.15s cubic-bezier(.4, 0, .2, 1);--transition-base:.25s cubic-bezier(.4, 0, .2, 1);--transition-slow:.4s cubic-bezier(.4, 0, .2, 1);--transition-spring:.5s cubic-bezier(.34, 1.56, .64, 1)}@media (prefers-color-scheme:dark){:root{--deep-amethyst:#8d59c6;--vibrant-amethyst:#a87ed8;--soft-lavender:#6b3fa0;--pale-lavender:#2e1a4a;--faint-lavender:#1e1030;--mint-green:#4eedb8;--mint-light:#2a6b55;--mint-pale:#1a3d32;--danger-red:#ff6b6b;--danger-red-light:#3d1f1f;--danger-red-bg:#2d1515;--warm-amber:#ffb84d;--warm-amber-light:#3d2f15;--cream:#0e0a14;--surface:#1a1025;--surface-hover:#231535;--dark-text:#f0e6fa;--body-text:#c7b5d8;--muted-text:#8b7a9e;--border:#2e1f42;--border-hover:#3d2b58;--shadow-sm:0 1px 3px #0003;--shadow-md:0 4px 12px #0000004d;--shadow-lg:0 8px 30px #0006;--shadow-xl:0 20px 50px #00000080;--shadow-glow:0 0 20px #8d59c64d}}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{color:var(--body-text);background:var(--cream);min-height:100vh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.6}h1,h2,h3,h4,h5,h6{color:var(--dark-text);font-family:Outfit,Inter,sans-serif;font-weight:700;line-height:1.2}a{color:var(--vibrant-amethyst);transition:color var(--transition-fast);text-decoration:none}a:hover{color:var(--deep-amethyst)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInScale{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}@keyframes progressRing{0%{stroke-dashoffset:283px}}@keyframes dangerPulse{0%,to{box-shadow:0 0 #e553534d}50%{box-shadow:0 0 0 8px #e5535300}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-6px)}}@keyframes gradientShift{0%{background-position:0%}50%{background-position:100%}to{background-position:0%}}.app-layout{min-height:100vh;display:flex}.main-content{margin-left:var(--sidebar-width);padding-top:var(--navbar-height);min-height:100vh;transition:margin-left var(--transition-base);flex:1}.page-container{max-width:1200px;margin:0 auto;padding:32px;animation:.4s fadeIn}.page-header{margin-bottom:32px}.page-title{color:var(--dark-text);margin-bottom:8px;font-size:28px;font-weight:800}.page-subtitle{color:var(--muted-text);font-size:15px;font-weight:400}.navbar{top:0;left:var(--sidebar-width);height:var(--navbar-height);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border);z-index:100;transition:left var(--transition-base);background:#ffffffd9;justify-content:space-between;align-items:center;padding:0 32px;display:flex;position:fixed;right:0}@media (prefers-color-scheme:dark){.navbar{background:#1a1025d9}}.navbar-left{align-items:center;gap:16px;display:flex}.navbar-breadcrumb{color:var(--muted-text);align-items:center;gap:8px;font-size:14px;display:flex}.navbar-breadcrumb span{color:var(--dark-text);font-weight:600}.navbar-right{align-items:center;gap:16px;display:flex}.user-avatar{border-radius:var(--radius-full);border:2px solid var(--soft-lavender);cursor:pointer;width:36px;height:36px;transition:all var(--transition-fast);object-fit:cover}.user-avatar:hover{border-color:var(--vibrant-amethyst);transform:scale(1.05)}.user-menu{position:relative}.user-menu-dropdown{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:200;min-width:200px;padding:8px;animation:.15s fadeInScale;position:absolute;top:calc(100% + 8px);right:0}.user-menu-item{border-radius:var(--radius-sm);color:var(--body-text);cursor:pointer;transition:all var(--transition-fast);text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 14px;font-family:inherit;font-size:14px;display:flex}.user-menu-item:hover{background:var(--faint-lavender);color:var(--deep-amethyst)}.user-menu-item.danger{color:var(--danger-red)}.user-menu-item.danger:hover{background:var(--danger-red-bg)}.sidebar{width:var(--sidebar-width);background:var(--surface);border-right:1px solid var(--border);z-index:150;transition:transform var(--transition-base);flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:20px 24px;display:flex}.sidebar-logo{border-radius:var(--radius-md);background:linear-gradient(135deg, var(--deep-amethyst), var(--vibrant-amethyst));color:#fff;flex-shrink:0;justify-content:center;align-items:center;width:40px;height:40px;font-family:Outfit,sans-serif;font-size:20px;font-weight:800;display:flex}.sidebar-brand{color:var(--dark-text);font-family:Outfit,sans-serif;font-size:18px;font-weight:700;line-height:1.2}.sidebar-brand-sub{color:var(--muted-text);letter-spacing:.5px;text-transform:uppercase;font-family:Inter,sans-serif;font-size:11px;font-weight:400}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:16px 12px;display:flex}.sidebar-link{border-radius:var(--radius-md);color:var(--body-text);transition:all var(--transition-fast);align-items:center;gap:12px;padding:12px 16px;font-size:14px;font-weight:500;text-decoration:none;display:flex;position:relative;overflow:hidden}.sidebar-link:before{content:"";background:var(--vibrant-amethyst);width:3px;height:0;transition:height var(--transition-base);border-radius:0 2px 2px 0;position:absolute;top:50%;left:0;transform:translateY(-50%)}.sidebar-link:hover{background:var(--faint-lavender);color:var(--deep-amethyst)}.sidebar-link.active{background:linear-gradient(135deg, var(--faint-lavender), var(--pale-lavender));color:var(--deep-amethyst);font-weight:600}.sidebar-link.active:before{height:24px}.sidebar-link-icon{flex-shrink:0;justify-content:center;align-items:center;width:24px;font-size:20px;display:flex}.sidebar-footer{border-top:1px solid var(--border);padding:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:all var(--transition-base);padding:24px}.card:hover{box-shadow:var(--shadow-md);border-color:var(--border-hover)}.card-glass{-webkit-backdrop-filter:blur(16px);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);transition:all var(--transition-base);background:#ffffffb3;border:1px solid #ffffff4d;padding:24px}@media (prefers-color-scheme:dark){.card-glass{background:#1a102599;border:1px solid #ffffff14}}.card-glass:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:10px 20px;font-family:Inter,sans-serif;font-size:14px;font-weight:600;line-height:1.4;text-decoration:none;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg, var(--deep-amethyst), var(--vibrant-amethyst));color:#fff;box-shadow:0 2px 8px #5b2a864d}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 16px #5b2a8666}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--faint-lavender);color:var(--deep-amethyst);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--pale-lavender);border-color:var(--soft-lavender)}.btn-danger{background:var(--danger-red);color:#fff}.btn-danger:hover:not(:disabled){background:#d14343;transform:translateY(-1px)}.btn-ghost{color:var(--body-text);background:0 0;padding:8px 12px}.btn-ghost:hover:not(:disabled){background:var(--faint-lavender);color:var(--deep-amethyst)}.btn-icon{border-radius:var(--radius-md);width:40px;height:40px;padding:0;font-size:18px}.btn-sm{border-radius:var(--radius-sm);padding:6px 14px;font-size:13px}.btn-lg{border-radius:var(--radius-lg);padding:14px 28px;font-size:16px}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--dark-text);letter-spacing:.3px;font-size:13px;font-weight:600}.form-input{border:1.5px solid var(--border);border-radius:var(--radius-md);color:var(--dark-text);background:var(--surface);transition:all var(--transition-fast);outline:none;padding:10px 14px;font-family:Inter,sans-serif;font-size:14px}.form-input:focus{border-color:var(--vibrant-amethyst);box-shadow:0 0 0 3px #8d59c626}.form-input::placeholder{color:var(--muted-text)}.form-hint{color:var(--muted-text);font-size:12px}.form-error{color:var(--danger-red);font-size:12px;font-weight:500}.range-slider{appearance:none;background:var(--pale-lavender);width:100%;height:6px;transition:background var(--transition-fast);border-radius:3px;outline:none}.range-slider::-webkit-slider-thumb{appearance:none;background:linear-gradient(135deg, var(--deep-amethyst), var(--vibrant-amethyst));cursor:pointer;width:22px;height:22px;transition:all var(--transition-fast);border-radius:50%;box-shadow:0 2px 6px #5b2a864d}.range-slider::-webkit-slider-thumb:hover{transform:scale(1.15);box-shadow:0 3px 10px #5b2a8666}.range-slider::-moz-range-thumb{background:linear-gradient(135deg, var(--deep-amethyst), var(--vibrant-amethyst));cursor:pointer;border:none;border-radius:50%;width:22px;height:22px;box-shadow:0 2px 6px #5b2a864d}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#1a0a2e80;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:480px;max-height:90vh;animation:.2s fadeInScale;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;padding:24px 24px 0;display:flex}.modal-title{font-size:20px;font-weight:700}.modal-close{border-radius:var(--radius-sm);width:32px;height:32px;color:var(--muted-text);cursor:pointer;transition:all var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;font-size:18px;display:flex}.modal-close:hover{background:var(--faint-lavender);color:var(--dark-text)}.modal-body{flex-direction:column;gap:16px;padding:20px 24px;display:flex}.modal-footer{justify-content:flex-end;gap:10px;padding:0 24px 24px;display:flex}.progress-ring-container{justify-content:center;align-items:center;display:inline-flex;position:relative}.progress-ring{transform:rotate(-90deg)}.progress-ring-bg{fill:none;stroke:var(--pale-lavender);stroke-width:6px}.progress-ring-fill{fill:none;stroke-width:6px;stroke-linecap:round;transition:stroke-dashoffset 1s cubic-bezier(.4,0,.2,1),stroke .5s;animation:1s forwards progressRing}.progress-ring-text{color:var(--dark-text);font-family:Outfit,sans-serif;font-weight:700;position:absolute}.subject-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition-base);cursor:pointer;color:inherit;align-items:center;gap:20px;padding:20px;text-decoration:none;animation:.4s backwards fadeInUp;display:flex}.subject-card:hover{box-shadow:var(--shadow-md);border-color:var(--border-hover);transform:translateY(-2px)}.subject-card.danger{border-color:var(--danger-red);animation:2s ease-in-out infinite dangerPulse}.subject-card-color{border-radius:2px;flex-shrink:0;width:4px;height:48px}.subject-card-info{flex:1;min-width:0}.subject-card-name{color:var(--dark-text);white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-family:Outfit,sans-serif;font-size:16px;font-weight:600;overflow:hidden}.subject-card-stats{color:var(--muted-text);gap:12px;font-size:13px;display:flex}.subject-card-threshold{color:var(--muted-text);align-items:center;gap:4px;margin-top:4px;font-size:12px;display:flex}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:32px;display:grid}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);align-items:flex-start;gap:16px;padding:20px;animation:.4s backwards fadeInUp;display:flex}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex}.stat-icon.purple{background:var(--faint-lavender);color:var(--vibrant-amethyst)}.stat-icon.mint{background:var(--mint-pale);color:var(--mint-green)}.stat-icon.amber{background:var(--warm-amber-light);color:var(--warm-amber)}.stat-icon.red{background:var(--danger-red-light);color:var(--danger-red)}.stat-info{flex:1}.stat-value{color:var(--dark-text);margin-bottom:4px;font-family:Outfit,sans-serif;font-size:28px;font-weight:800;line-height:1}.stat-label{color:var(--muted-text);font-size:13px;font-weight:500}.danger-alert{background:linear-gradient(135deg, var(--danger-red-bg), var(--danger-red-light));border:1px solid var(--danger-red);border-radius:var(--radius-lg);align-items:center;gap:14px;margin-bottom:24px;padding:16px 20px;animation:.4s fadeInUp,2s ease-in-out infinite dangerPulse;display:flex}.danger-alert-icon{flex-shrink:0;font-size:24px}.danger-alert-text{flex:1}.danger-alert-title{color:var(--danger-red);margin-bottom:2px;font-size:14px;font-weight:700}.danger-alert-desc{color:var(--body-text);font-size:13px}.calendar-header{justify-content:space-between;align-items:center;margin-bottom:24px;display:flex}.calendar-nav{align-items:center;gap:12px;display:flex}.calendar-month-label{color:var(--dark-text);text-align:center;min-width:200px;font-family:Outfit,sans-serif;font-size:22px;font-weight:700}.calendar-grid{background:var(--border);border-radius:var(--radius-lg);border:1px solid var(--border);grid-template-columns:repeat(7,1fr);gap:2px;display:grid;overflow:hidden}.calendar-day-header{background:var(--faint-lavender);text-align:center;color:var(--muted-text);text-transform:uppercase;letter-spacing:.5px;padding:12px 8px;font-size:12px;font-weight:600}.calendar-day{background:var(--surface);cursor:pointer;min-height:100px;transition:all var(--transition-fast);padding:8px;position:relative}.calendar-day:hover{background:var(--surface-hover)}.calendar-day.today{background:var(--faint-lavender)}.calendar-day.other-month{opacity:.3;pointer-events:none}.calendar-day-number{color:var(--dark-text);margin-bottom:4px;font-size:13px;font-weight:600}.calendar-day.today .calendar-day-number{background:var(--vibrant-amethyst);color:#fff;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:12px;display:flex}.calendar-day-dots{flex-wrap:wrap;gap:3px;display:flex}.calendar-dot{width:8px;height:8px;transition:transform var(--transition-fast);border-radius:50%}.calendar-dot:hover{transform:scale(1.4)}.calendar-dot.attended{opacity:1}.calendar-dot.missed{opacity:.3;border:1.5px solid;background:0 0!important}.calendar-dot.partial{opacity:.7}.data-table{border-collapse:collapse;border-radius:var(--radius-lg);border:1px solid var(--border);width:100%;overflow:hidden}.data-table th{background:var(--faint-lavender);text-align:left;color:var(--muted-text);text-transform:uppercase;letter-spacing:.5px;padding:12px 16px;font-size:12px;font-weight:600}.data-table td{border-top:1px solid var(--border);color:var(--body-text);padding:12px 16px;font-size:14px}.data-table tr{transition:background var(--transition-fast)}.data-table tbody tr:hover{background:var(--surface-hover)}.attendance-badge{border-radius:var(--radius-full);align-items:center;gap:4px;padding:4px 10px;font-size:12px;font-weight:600;display:inline-flex}.attendance-badge.full{background:var(--mint-pale);color:#0d9668}.attendance-badge.partial{background:var(--warm-amber-light);color:#c78a1e}.attendance-badge.missed{background:var(--danger-red-light);color:var(--danger-red)}.auth-page{background:linear-gradient(135deg, var(--cream) 0%, var(--faint-lavender) 50%, var(--mint-pale) 100%);background-size:200% 200%;justify-content:center;align-items:center;min-height:100vh;padding:20px;animation:15s infinite gradientShift;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-xl);text-align:center;padding:40px;animation:.6s fadeInUp}.auth-logo{border-radius:var(--radius-lg);background:linear-gradient(135deg, var(--deep-amethyst), var(--vibrant-amethyst));color:#fff;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 20px;font-family:Outfit,sans-serif;font-size:28px;font-weight:800;display:flex}.auth-title{margin-bottom:8px;font-size:24px;font-weight:800}.auth-subtitle{color:var(--muted-text);margin-bottom:32px;font-size:15px}.auth-divider{color:var(--muted-text);align-items:center;gap:12px;margin:24px 0;font-size:12px;display:flex}.auth-divider:before,.auth-divider:after{content:"";background:var(--border);flex:1;height:1px}.oauth-btn{border-radius:var(--radius-md);cursor:pointer;width:100%;transition:all var(--transition-fast);border:1.5px solid var(--border);background:var(--surface);color:var(--dark-text);justify-content:center;align-items:center;gap:10px;margin-bottom:12px;padding:12px 20px;font-family:Inter,sans-serif;font-size:14px;font-weight:600;display:flex}.oauth-btn:hover{border-color:var(--vibrant-amethyst);box-shadow:var(--shadow-md);transform:translateY(-1px)}.oauth-btn svg{width:20px;height:20px}.landing-page{background:linear-gradient(180deg, var(--cream) 0%, var(--faint-lavender) 100%);min-height:100vh}.landing-nav{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:20px 40px;display:flex}.landing-nav-brand{color:var(--dark-text);align-items:center;gap:10px;font-family:Outfit,sans-serif;font-size:20px;font-weight:700;text-decoration:none;display:flex}.landing-hero{text-align:center;max-width:1200px;margin:0 auto;padding:80px 40px 60px}.landing-badge{background:var(--faint-lavender);border:1px solid var(--soft-lavender);color:var(--vibrant-amethyst);border-radius:var(--radius-full);align-items:center;gap:6px;margin-bottom:24px;padding:6px 16px;font-size:13px;font-weight:600;animation:.6s fadeInUp;display:inline-flex}.landing-title{color:var(--dark-text);margin-bottom:20px;font-size:clamp(36px,6vw,64px);font-weight:800;line-height:1.1;animation:.6s .1s backwards fadeInUp}.landing-title .highlight{background:linear-gradient(135deg, var(--deep-amethyst), var(--vibrant-amethyst), var(--mint-green));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.landing-desc{color:var(--muted-text);max-width:600px;margin:0 auto 40px;font-size:18px;line-height:1.7;animation:.6s .2s backwards fadeInUp}.landing-cta{justify-content:center;align-items:center;gap:16px;animation:.6s .3s backwards fadeInUp;display:flex}.landing-features{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1200px;margin:0 auto;padding:60px 40px 100px;display:grid}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);transition:all var(--transition-base);padding:28px;animation:.5s backwards fadeInUp}.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.feature-icon{border-radius:var(--radius-md);justify-content:center;align-items:center;width:52px;height:52px;margin-bottom:16px;font-size:24px;display:flex}.feature-title{margin-bottom:8px;font-size:18px;font-weight:700}.feature-desc{color:var(--muted-text);font-size:14px;line-height:1.6}.empty-state{text-align:center;padding:60px 20px;animation:.5s fadeInUp}.empty-state-icon{opacity:.5;margin-bottom:16px;font-size:64px;animation:3s ease-in-out infinite float}.empty-state-title{margin-bottom:8px;font-size:20px;font-weight:700}.empty-state-desc{color:var(--muted-text);max-width:400px;margin-bottom:24px;margin-left:auto;margin-right:auto;font-size:14px}.toast-container{z-index:2000;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);align-items:center;gap:10px;max-width:380px;padding:12px 20px;font-size:14px;animation:.3s slideInRight;display:flex}.toast.success{border-left:3px solid var(--mint-green)}.toast.error{border-left:3px solid var(--danger-red)}.toast.warning{border-left:3px solid var(--warm-amber)}.color-grid{flex-wrap:wrap;gap:8px;display:flex}.color-swatch{cursor:pointer;width:32px;height:32px;transition:all var(--transition-fast);border:2px solid #0000;border-radius:50%}.color-swatch:hover{transform:scale(1.2)}.color-swatch.selected{border-color:var(--dark-text);box-shadow:0 0 0 2px var(--surface), 0 0 0 4px var(--dark-text)}.subject-detail-header{border-bottom:1px solid var(--border);align-items:center;gap:20px;margin-bottom:32px;padding-bottom:24px;display:flex}.subject-detail-color{border-radius:4px;flex-shrink:0;width:8px;height:60px}.subject-detail-info{flex:1}.subject-detail-name{margin-bottom:6px;font-size:28px;font-weight:800}.subject-detail-meta{color:var(--muted-text);gap:20px;font-size:14px;display:flex}.subject-detail-actions{gap:10px;display:flex}.filter-chips{flex-wrap:wrap;gap:8px;margin-bottom:20px;display:flex}.filter-chip{border-radius:var(--radius-full);border:1px solid var(--border);background:var(--surface);color:var(--body-text);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:6px;padding:6px 14px;font-size:13px;font-weight:500;display:flex}.filter-chip:hover{border-color:var(--vibrant-amethyst)}.filter-chip.active{background:var(--faint-lavender);border-color:var(--vibrant-amethyst);color:var(--deep-amethyst);font-weight:600}.filter-chip-dot{border-radius:50%;width:8px;height:8px}.mobile-menu-toggle{border-radius:var(--radius-md);width:40px;height:40px;color:var(--dark-text);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;font-size:22px;display:none}@media (max-width:768px){.sidebar{transform:translate(-100%)}.sidebar.open{box-shadow:var(--shadow-xl);transform:translate(0)}.main-content{margin-left:0}.navbar{left:0}.mobile-menu-toggle{display:flex}.page-container{padding:20px 16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.calendar-day{min-height:60px;padding:4px}.calendar-day-number{font-size:11px}.landing-hero{padding:40px 20px}.landing-nav{padding:16px 20px}.landing-features{padding:40px 20px 60px}.landing-cta{flex-direction:column}.subject-detail-header{flex-direction:column;align-items:flex-start}}@media (max-width:480px){.stats-grid{grid-template-columns:1fr}.auth-card{padding:28px 20px}}