.site-header{background-color:#233140;color:#ecf0f1;height:46px;position:fixed;top:0;left:0;right:0;z-index:1000;box-shadow:0 2px 5px rgba(0,0,0,.2)}.header-content-wrapper{max-width:1200px;margin:0 auto;height:100%;padding:0 20px;display:flex;justify-content:space-between;align-items:center;position:relative}.header-left,.header-right{display:flex;align-items:center}.header-right{justify-content:flex-end}.header-title{font-weight:700;font-size:1.1em;position:absolute;left:50%;transform:translateX(-50%)}.menu{display:flex;gap:8px;list-style:none;margin:0;padding:0}.menu-item{background:0 0;border:none;color:#ecf0f1;cursor:pointer;font-size:.9em;text-decoration:none;padding:5px 10px;border-radius:4px;transition:background-color .2s ease}.menu-item.icon-button{padding:5px;display:flex;align-items:center;justify-content:center}#home-btn img{width:28px;height:28px}.menu-item.icon-button>img,.menu-item.icon-button>svg{width:22px;height:22px}#whatsnew-btn{color:#5cbbff}.menu-item:hover{background-color:rgba(255,255,255,.1)}.menu-item.icon-button:disabled{opacity:.35;cursor:not-allowed;background-color:transparent!important}:root{--app-header-height:46px;--primary-color:#4A90E2;--primary-hover:#357ABD;--success-color:#28a745;--danger-color:#dc3545;--danger-hover-color:#c82333;--text-color:#333;--text-light:#666;--bg-light:#f8f9fa;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--border-radius-sm:6px;--border-radius-lg:16px;--stage-active:#2060a0;--stage-inactive:#aaa}body{font-family:'Segoe UI',Arial,sans-serif;margin:0 auto;padding:50px 0 25px 0;background-image:var(--page-background-overlay,linear-gradient(rgba(0,0,0,.45),rgba(0,0,0,.45))),var(--page-background-image, url('/graphics/LibrarySkylight.v1.webp'));background-size:cover;background-position:center;background-repeat:no-repeat;background-attachment:fixed;min-height:100vh;position:relative;color:#fff}.btn{background-color:var(--primary-color);color:#fff;padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--border-radius-sm);cursor:pointer;text-decoration:none;display:inline-block;margin-top:var(--spacing-md);transition:all .3s ease}.btn:hover{background-color:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.2)}.flash-message{padding:10px;margin-bottom:20px;border-radius:4px}.error{background-color:var(--danger-color);color:#fff;border:1px solid var(--danger-hover-color)}@keyframes fadeIn{from{opacity:.7}to{opacity:1}}.site-footer{position:fixed;bottom:0;left:0;width:100%;z-index:1000;background-color:#233140;color:#ecf0f1;padding:15px 0;text-align:center;font-size:.8em}.footer-content{max-width:1200px;margin:0 auto;font-size:.7em;color:rgba(255,255,255,.5);font-weight:300}.footer-modal-btn{background:0 0;border:none;padding:0;margin:0;font:inherit;color:#aab;cursor:pointer;text-decoration:none;white-space:nowrap}.footer-modal-btn:focus,.footer-modal-btn:hover{text-decoration:underline;outline:0}.btn-danger{background-color:var(--danger-color);color:#fff;border:none;border-radius:var(--border-radius-sm);padding:8px 16px;cursor:pointer;font-weight:700;transition:background-color .3s}.btn-danger:hover{background-color:var(--danger-hover-color)}#cancel-upload-btn{display:block;min-width:120px}.pcd-modal{display:none}.pcd-modal.pcd-open{display:block}.pcd-modal__overlay{background:rgba(0,0,0,.5);position:fixed;top:0;left:0;right:0;bottom:0;z-index:1000;display:flex;align-items:center;justify-content:center}.pcd-modal__container{background:#fff;color:#222;border-radius:10px;max-width:500px;width:90%;padding:0;box-shadow:0 4px 24px rgba(0,0,0,.18);position:relative;overflow:hidden;font-family:'Segoe UI',Arial,sans-serif}.pcd-modal__header{background:#0d4ac3;color:#fff;padding:1.2rem 2rem 1rem 2rem;display:flex;justify-content:space-between;align-items:center}.pcd-modal__title{margin:0;font-size:1.4rem;font-weight:600;letter-spacing:.5px}.pcd-modal__close{background:0 0;border:none;font-size:1.7rem;color:#fff;cursor:pointer;margin-left:1rem;transition:color .2s}.pcd-modal__close:hover{color:#ffb347}.pcd-modal__content{padding:1.5rem 2rem 1rem 2rem;background:#f7f9fc;color:#222;font-size:1.05rem;line-height:1.6}.pcd-modal__footer{padding:1rem 2rem 1.3rem 2rem;background:#f7f9fc;text-align:right}.pcd-modal__btn{background:#0d4ac3;color:#fff;border:none;padding:.5rem 1.4rem;border-radius:5px;cursor:pointer;font-size:1rem;font-weight:500;transition:background .2s}.pcd-modal__btn:hover{background:#163060}.modal-form{margin-top:15px}.modal-form-group{margin-bottom:15px}.modal-form-group label{display:block;margin-bottom:5px;font-weight:700;color:#333}.modal-input{width:100%;padding:8px 10px;border:1px solid #ccc;border-radius:4px;font-size:1em;box-sizing:border-box}.modal-input:focus{border-color:#4281ff;outline:0;box-shadow:0 0 0 2px rgba(66,129,255,.25)}.modal-submit-btn{width:100%;padding:10px 15px;background-color:#4281ff;color:#fff;border:none;border-radius:4px;font-size:1.1em;font-weight:700;cursor:pointer;transition:background-color .2s}.modal-submit-btn:hover{background-color:#356ad6}.privacy-policy-text{text-align:center;font-size:.8em;margin-top:15px;color:#6c757d}@keyframes fadeIn{from{opacity:.7}to{opacity:1}}#whatsnew-modal .pcd-modal__container{max-width:775px;max-height:85vh;display:flex;flex-direction:column}#email-signup-modal .pcd-modal__container,#help-modal .pcd-modal__container,#send-coffee-modal .pcd-modal__container{max-width:775px}#whatsnew-modal .pcd-modal__content{overflow-y:auto;-webkit-overflow-scrolling:touch}#whatsnew-modal .pcd-modal__content{padding:0}#whatsnew-modal main{max-width:900px;margin:0 auto;padding:1.5rem 2rem}#whatsnew-modal .version{margin-bottom:1.5rem;padding:1.5rem;background:#fff;border-radius:12px;box-shadow:0 2px 8px rgba(0,0,0,.08)}#whatsnew-modal .version:last-child{margin-bottom:0}#whatsnew-modal .version h2{margin-top:0;color:#182848;font-size:1.4rem}#whatsnew-modal .category{margin-top:1rem}#whatsnew-modal .category h3{margin-bottom:.5rem;font-size:1.1rem;color:#4b6cb7}#whatsnew-modal ul{margin:0;padding-left:1.5rem}#whatsnew-modal li{margin:.3rem 0;font-size:.9rem}.whatsnew-icon{filter:invert(1);width:24px;height:24px;vertical-align:top}.pcd-modal.dark-mode .pcd-modal__container{background:#2c3e50;color:#ecf0f1}.pcd-modal.dark-mode .pcd-modal__header{background:#34495e}.pcd-modal.dark-mode .pcd-modal__title{color:#ecf0f1}.pcd-modal.dark-mode .pcd-modal__close{color:#ecf0f1}.pcd-modal.dark-mode .pcd-modal__content{background:#2c3e50;color:#ecf0f1}.pcd-modal.dark-mode .pcd-modal__footer{background:#34495e}.pcd-modal.dark-mode .pcd-modal__btn{background:#4a90e2;color:#fff}.pcd-modal.dark-mode .pcd-modal__btn:hover{background:#357abd}.pcd-modal.dark-mode .modal-form-group label{color:#ecf0f1}.pcd-modal.dark-mode .modal-input{background-color:#34495e;color:#ecf0f1;border:1px solid #46607a}.pcd-modal.dark-mode .privacy-policy-text{color:#aab}#whatsnew-modal.dark-mode .version{background:#34495e;border-radius:8px;border:1px solid #46607a}#whatsnew-modal.dark-mode .version h2{color:#ecf0f1;border-bottom:1px solid #46607a;padding-bottom:10px}#whatsnew-modal.dark-mode .category h3{color:#9cc2e7}#whatsnew-modal.dark-mode ul{list-style-type:disc}#whatsnew-modal.dark-mode li{margin-bottom:.5rem}#whatsnew-modal.dark-mode .whatsnew-icon{filter:invert(0)}.scroll-btn{position:fixed;width:40px;height:40px;background-color:rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.2);border-radius:50%;cursor:default;display:flex;align-items:center;justify-content:center;opacity:.25;transition:opacity .3s,background-color .3s;z-index:1001}.scroll-btn.visible{opacity:.8;cursor:pointer}.scroll-btn.visible:hover{background-color:hsla(205,96%,30%,.6)}.scroll-btn img{width:24px;height:24px}#scroll-to-bottom-btn{right:20px;bottom:45px}#scroll-to-top-btn{right:20px;bottom:90px}