:root{--bg-primary:#f8f9fa;--bg-card:#fff;--bg-nav:#1a2332;--text-primary:#1a1a2e;--text-secondary:#6c757d;--accent-primary:#2563eb;--accent-success:#16a34a;--accent-warning:#d97706;--accent-danger:#dc2626;--accent-gold:#d4a853;--border:#e5e7eb;--shadow:0 1px 3px #0000001a;--radius:12px;--nav-height:64px;--safe-bottom:env(safe-area-inset-bottom,0px)}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;font-size:16px}body{background:var(--bg-primary);color:var(--text-primary);overscroll-behavior:none;min-height:100dvh;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}button,input,select,textarea{font-family:inherit;font-size:inherit}a{color:inherit;text-decoration:none}.app-shell{flex-direction:column;min-height:100dvh;display:flex}.app-main{padding-bottom:calc(var(--nav-height) + var(--safe-bottom) + 8px);-webkit-overflow-scrolling:touch;flex:1;overflow-y:auto}.loading-spinner-container{flex-direction:column;justify-content:center;align-items:center;padding:48px 16px;display:flex}.loading-spinner{border:3px solid var(--border);border-top-color:var(--accent-primary);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.loading-message{color:var(--text-secondary);margin-top:12px;font-size:.875rem}.offline-banner{color:#92400e;background:#fef3c7;justify-content:center;align-items:center;gap:8px;padding:8px 16px;font-size:.8125rem;font-weight:500;display:flex}.offline-dot{background:var(--accent-warning);border-radius:50%;flex-shrink:0;width:8px;height:8px}.bottom-nav{height:calc(var(--nav-height) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--bg-nav);z-index:100;border-top:1px solid #ffffff1a;justify-content:space-around;align-items:center;display:flex;position:fixed;bottom:0;left:0;right:0}.bottom-nav-tab{color:#ffffff80;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;flex-direction:column;align-items:center;gap:2px;padding:8px 12px;transition:color .2s;display:flex}.bottom-nav-tab.active{color:var(--accent-primary)}.bottom-nav-icon{font-size:1.25rem;line-height:1}.bottom-nav-label{letter-spacing:.02em;font-size:.625rem;font-weight:500}.page-content{max-width:600px;margin:0 auto;padding:16px}.page-title{color:var(--text-primary);margin-bottom:16px;font-size:1.375rem;font-weight:700}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:12px;padding:16px}.card-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.card-title{color:var(--text-primary);font-size:.9375rem;font-weight:600}.card-action{color:var(--accent-primary);font-size:.8125rem;font-weight:500}.card-section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:12px;font-size:.8125rem;font-weight:600}.btn{cursor:pointer;-webkit-tap-highlight-color:transparent;border:none;border-radius:10px;justify-content:center;align-items:center;padding:12px 24px;font-size:1rem;font-weight:600;transition:opacity .2s,transform .1s;display:inline-flex}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover:not(:disabled){opacity:.9}.btn-danger{background:var(--accent-danger);color:#fff;width:100%}.btn-danger:hover:not(:disabled){opacity:.9}.status-badge{white-space:nowrap;border-radius:20px;align-items:center;gap:4px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.status-badge--success{color:#15803d;background:#dcfce7}.status-badge--warning{color:#92400e;background:#fef3c7}.status-badge--danger{color:#991b1b;background:#fee2e2}.status-badge--info{color:#1e40af;background:#dbeafe}.status-badge--gray{color:#6b7280;background:#f3f4f6}.role-badge{color:#3730a3;background:#e0e7ff;border-radius:20px;padding:3px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.empty-state{text-align:center;color:var(--text-secondary);padding:16px 0;font-size:.875rem}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:.8125rem;font-weight:600;display:block}.form-select{border:1px solid var(--border);background:var(--bg-card);width:100%;color:var(--text-primary);appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%236c757d' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-position:right 16px center;background-repeat:no-repeat;border-radius:10px;padding:12px 16px;font-size:1rem}.form-select:disabled{opacity:.5;cursor:not-allowed}.form-select:focus{border-color:var(--accent-primary);outline:none;box-shadow:0 0 0 3px #2563eb1a}.login-page{background:var(--bg-primary);justify-content:center;align-items:center;min-height:100dvh;padding:16px;display:flex}.login-container{width:100%;max-width:400px}.login-logo-wrap{text-align:center;margin-bottom:16px}.login-logo{object-fit:contain;width:48%;max-width:180px;height:auto}.login-logo-fallback{justify-content:center;display:flex}.login-logo-fallback svg{opacity:.6}.login-title{text-align:center;color:var(--text-primary);margin-bottom:24px;font-size:1.5rem;font-weight:700}.login-form{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 20px}.login-error{color:#991b1b;text-align:center;background:#fee2e2;border-radius:8px;margin-bottom:16px;padding:10px 14px;font-size:.875rem}.login-btn{width:100%;margin-top:8px}.login-footer{text-align:center;color:var(--text-secondary);margin-top:24px;font-size:.75rem}.pin-dots{justify-content:center;gap:16px;margin-bottom:16px;display:flex}.pin-dot{border:2px solid var(--border);background:0 0;border-radius:50%;width:16px;height:16px;transition:background .15s,border-color .15s}.pin-dot.filled{background:var(--accent-primary);border-color:var(--accent-primary)}.pin-pad{grid-template-columns:repeat(3,1fr);gap:8px;max-width:260px;margin:0 auto;display:grid}.pin-key{border:1px solid var(--border);background:var(--bg-card);height:52px;color:var(--text-primary);cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;border-radius:10px;justify-content:center;align-items:center;font-size:1.25rem;font-weight:600;transition:background .1s;display:flex}.pin-key:active{background:#f0f0f5}.pin-key.empty{cursor:default;border:none}.pin-key--del{color:var(--text-secondary);font-size:1.5rem}.home-greeting{margin-bottom:20px}.home-greeting-name{color:var(--text-primary);font-size:1.375rem;font-weight:700}.home-greeting-date{color:var(--text-secondary);margin-top:2px;font-size:.875rem}.home-meta{align-items:center;gap:8px;margin-top:8px;display:flex}.home-operation{color:var(--text-secondary);font-size:.875rem;font-weight:500}.assignment-detail{padding-top:4px}.assignment-date{color:var(--accent-primary);margin-bottom:4px;font-size:.875rem;font-weight:600}.assignment-type{color:var(--text-primary);margin-bottom:8px;font-size:1rem;font-weight:600}.assignment-role{color:var(--text-secondary);margin-bottom:8px;font-size:.8125rem}.assignment-times{flex-wrap:wrap;gap:12px;display:flex}.time-item{flex-direction:column;gap:2px;display:flex}.time-label{text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);font-size:.6875rem;font-weight:600}.time-value{color:var(--text-primary);font-variant-numeric:tabular-nums;font-size:.9375rem;font-weight:600}.cred-summary{justify-content:space-around;display:flex}.cred-summary-item{align-items:center;gap:6px;display:flex}.cred-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.cred-dot--success{background:var(--accent-success)}.cred-dot--warning{background:var(--accent-warning)}.cred-dot--danger{background:var(--accent-danger)}.cred-count{color:var(--text-primary);font-size:1.25rem;font-weight:700}.cred-label{color:var(--text-secondary);font-size:.8125rem}.quick-links{grid-template-columns:repeat(3,1fr);gap:10px;margin-top:4px;display:grid}.quick-link{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;box-shadow:var(--shadow);-webkit-tap-highlight-color:transparent;flex-direction:column;align-items:center;gap:6px;padding:16px 8px;transition:transform .1s;display:flex}.quick-link:active{transform:scale(.97)}.quick-link-icon{font-size:1.5rem}.quick-link-label{color:var(--text-secondary);text-align:center;font-size:.75rem;font-weight:600}.calendar-nav{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.cal-nav-btn{border:1px solid var(--border);background:var(--bg-card);width:40px;height:40px;color:var(--text-primary);cursor:pointer;-webkit-tap-highlight-color:transparent;border-radius:10px;justify-content:center;align-items:center;font-size:1.25rem;display:flex}.cal-nav-btn:active{background:#f0f0f5}.cal-month-label{color:var(--text-primary);font-size:1rem;font-weight:600}.calendar-grid{grid-template-columns:repeat(7,1fr);gap:4px;margin-bottom:16px;display:grid}.cal-weekday{text-align:center;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);padding:8px 0;font-size:.6875rem;font-weight:600}.cal-day{aspect-ratio:1;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:none;border-radius:10px;flex-direction:column;justify-content:center;align-items:center;transition:background .15s;display:flex;position:relative}.cal-day.empty{cursor:default}.cal-day:not(.empty):active{background:#f0f0f5}.cal-day.today .cal-day-num{color:var(--accent-primary);font-weight:700}.cal-day.today{background:#eef2ff}.cal-day.selected{background:var(--accent-primary)}.cal-day.selected .cal-day-num{color:#fff;font-weight:700}.cal-day.selected .cal-event-dot{background:#fff}.cal-day-num{color:var(--text-primary);font-size:.875rem;font-weight:500;line-height:1}.cal-event-dot{background:var(--accent-primary);border-radius:50%;width:5px;height:5px;margin-top:3px}.day-detail{animation:.2s ease-out slideUp}@keyframes slideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.day-detail-title{color:var(--text-primary);margin-bottom:12px;font-size:1rem;font-weight:600}.assignment-card{margin-bottom:10px}.assignment-card-header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.cred-card{padding:16px}.cred-card-header{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.cred-card-icon-name{align-items:center;gap:8px;display:flex}.cred-icon{font-size:1.25rem}.cred-name{color:var(--text-primary);font-size:1rem;font-weight:600}.cred-card-body{flex-direction:column;gap:8px;display:flex}.cred-field{justify-content:space-between;align-items:center;display:flex}.cred-field-label{color:var(--text-secondary);font-size:.8125rem;font-weight:500}.cred-field-value{color:var(--text-primary);font-variant-numeric:tabular-nums;font-size:.875rem;font-weight:500}.cred-number{cursor:pointer;background:#f3f4f6;border-radius:6px;padding:2px 8px;transition:background .15s}.cred-number:active{background:#e5e7eb}.cred-exp--success{color:var(--accent-success)}.cred-exp--warning{color:var(--accent-warning)}.cred-exp--danger{color:var(--accent-danger)}.cred-chips{border-top:1px solid var(--border);margin-top:12px;padding-top:12px}.cred-chips-label{text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);margin-bottom:8px;font-size:.75rem;font-weight:600;display:block}.cred-chips-list{flex-wrap:wrap;gap:6px;display:flex}.chip{color:#3730a3;background:#f0f4ff;border:1px solid #c7d2fe;border-radius:16px;padding:4px 10px;font-size:.75rem;font-weight:500;display:inline-flex}.profile-card{text-align:center;padding:24px 16px}.profile-avatar{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:50%;justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 12px;display:flex}.profile-avatar-text{color:#fff;letter-spacing:.02em;font-size:1.25rem;font-weight:700}.profile-name{color:var(--text-primary);margin-bottom:8px;font-size:1.25rem;font-weight:700}.profile-field{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:10px 0;display:flex}.profile-field:last-child{border-bottom:none}.profile-field-label{color:var(--text-secondary);font-size:.875rem;font-weight:500}.profile-field-value{color:var(--text-primary);text-align:right;word-break:break-word;max-width:60%;font-size:.875rem;font-weight:500}.profile-footer{text-align:center;margin-top:8px}.last-synced{color:var(--text-secondary);margin-bottom:16px;font-size:.75rem}@media (width>=768px){.app-shell{flex-direction:row}.bottom-nav{border-top:none;border-right:1px solid #ffffff1a;flex-direction:column;justify-content:flex-start;gap:8px;width:80px;height:100dvh;padding-top:24px;padding-bottom:0;position:fixed;inset:0 auto 0 0}.bottom-nav-tab{width:100%;padding:14px 8px}.app-main{margin-left:80px;padding-bottom:24px}.page-content{max-width:640px;padding:24px}.login-container{max-width:420px}}@media (width<=374px){.pin-pad{max-width:220px}.pin-key{height:46px;font-size:1.125rem}.quick-links{grid-template-columns:1fr 1fr 1fr;gap:6px}}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:2px}@media (width>=768px){::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}::-webkit-scrollbar-track{background:0 0}}