:root{--primary-color:#4ecdc4;--primary-dark-color:#35a09a;--primary-light-color:#5fd6d680;--background-color:#1a1a1a;--text-color:#e0e0e0;--text-light-color:#b0b0b0;--table-border-color:#444444;--input-text-color:#e0e0e0;--input-border-color:#555555;--input-border-active-color:#4ecdc4;--input-border-shadow-color:rgba(78,205,196,0.25);--slot-button-selected-color:#6b3d6b;--quick-button-color:#ff9500;--quick-button-highlight-color:#4caf50;--lab-color:#2e5cb8;--theory-color:#4a4a8a;--day-lunch-color:#404040;--period-color:#2a2a2a;--period-highlight-color:#4caf50;--period-clash-color:#ff4444;--on-clash-color:#ffffff;--course-list-header-hover-color:#2d4332}input:-moz-placeholder,input:-ms-input-placeholder,input::-moz-placeholder,input::-webkit-input-placeholder,input::placeholder{opacity:.55!important}.collab-room *{all:unset;all:revert;box-sizing:border-box}