.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;z-index:10000;align-items:center;justify-content:center}.modal-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.7);backdrop-filter:blur(4px)}.modal-content{position:relative;background:var(--bg-dark);border:2px solid var(--border-primary);border-radius:12px;max-width:450px;width:90%;padding:2rem;box-shadow:0 20px 60px var(--overlay-medium);z-index:1;box-sizing:border-box;max-height:95vh;min-height:400px;overflow-y:auto;-webkit-overflow-scrolling:touch}@keyframes modalSlideIn{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}.modal-close{position:absolute;top:1rem;right:1rem;background:0 0;border:none;color:var(--text-light);font-size:2rem;line-height:1;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;transition:color .2s}.modal-close:hover{color:var(--text-primary)}.login-step{min-height:300px}.login-step h2{color:var(--text-primary);margin:0 0 .5rem;font-size:1.75rem}.login-description{color:var(--text-light);margin:0 0 1rem;line-height:1.5}.form-group{margin-bottom:1rem}.form-group label{display:block;color:var(--text-secondary);font-weight:500;margin-bottom:.5rem}.form-group input{width:100%;padding:.75rem;background:var(--bg-darker);border:1px solid var(--border-secondary);border-radius:6px;color:var(--text-primary);font-size:1rem;transition:border-color .2s}.form-group input:focus{outline:0;border-color:var(--color-accent)}.form-group input::placeholder{color:var(--text-subtle)}.btn-block{width:100%}.alert{padding:.75rem;border-radius:6px;margin-top:1rem}.alert-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);color:var(--color-danger-light)}.alert-success{background:rgba(76,175,80,.1);border:1px solid rgba(76,175,80,.3);color:#81c784}.login-success-icon{font-size:4rem;text-align:center;margin-bottom:1rem}#login-step-success .login-description,#login-step-success h2{text-align:center}.login-help{color:var(--text-subtle);font-size:.875rem;text-align:center;margin-top:1rem}.login-terms{color:var(--text-subtle);font-size:.75rem;text-align:center;margin-top:1rem;margin-bottom:.5rem;line-height:1.4;padding-bottom:.5rem}.login-terms a{color:var(--color-accent);text-decoration:underline;transition:color .2s}.login-terms a:hover{color:var(--color-accent)}.user-menu{position:relative;display:inline-block}.user-menu-button{background:var(--bg-darker);border:1px solid var(--border-secondary);color:var(--text-primary);padding:.5rem 1rem;border-radius:6px;cursor:pointer;display:flex;align-items:center;gap:.5rem;transition:background .2s}.user-menu-button:hover{background:var(--border-primary)}.user-avatar{width:24px;height:24px;border-radius:50%;background:var(--color-primary);color:var(--color-primary-text);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.875rem}.user-menu-dropdown{position:absolute;top:100%;right:0;margin-top:.5rem;background:var(--bg-dark);border:1px solid var(--border-primary);border-radius:6px;min-width:200px;box-shadow:0 4px 12px var(--overlay-medium);display:none;z-index:1000}.user-menu.open .user-menu-dropdown{display:block}.user-menu-item{display:block;padding:.75rem 1rem;color:var(--text-secondary);text-decoration:none;transition:background .2s,color .2s;cursor:pointer;border:none;width:100%;text-align:left;background:0 0;font-size:1rem}.user-menu-item:hover{background:var(--bg-darker);color:var(--text-primary)}.user-menu-divider{height:1px;background:var(--border-primary);margin:.5rem 0}.tier-badge{display:inline-block;padding:.25rem .5rem;border-radius:4px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.tier-badge-free{background:var(--border-primary);color:var(--text-light)}.tier-badge-premium{background:linear-gradient(135deg,var(--color-accent),var(--color-accent-dark));color:var(--color-primary-text)}.tier-badge-lifetime{background:linear-gradient(135deg,var(--color-secondary),var(--color-secondary-hover));color:#fff}.username-picker-content{min-height:auto}.username-picker-content h2{color:var(--text-primary);margin:0 0 .5rem;font-size:1.75rem}.username-input-wrapper{position:relative}.username-input-wrapper input{width:100%;padding:.75rem 2.5rem .75rem .75rem;background:var(--bg-darker);border:1px solid var(--border-secondary);border-radius:6px;color:var(--text-primary);font-size:1rem;transition:border-color .2s;box-sizing:border-box}.username-input-wrapper input:focus{outline:0;border-color:var(--color-accent)}.username-input-wrapper input::placeholder{color:var(--text-subtle)}.username-status-icon{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:1rem;width:20px;height:20px;display:flex;align-items:center;justify-content:center}.username-status-icon.status-checking::after{content:'';width:16px;height:16px;border:2px solid var(--border-light);border-top-color:var(--color-accent);border-radius:50%;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.username-status-icon.status-available::after{content:'\2713';color:var(--color-success-green);font-weight:700}.username-status-icon.status-taken::after{content:'\2717';color:var(--color-danger);font-weight:700}.username-feedback{font-size:.85rem;margin-top:6px;min-height:1.2em;transition:color .2s}.username-feedback.feedback-success{color:var(--color-success-green)}.username-feedback.feedback-error{color:var(--color-danger)}.username-feedback.feedback-checking{color:var(--text-light)}.username-rules{color:var(--text-subtle);font-size:.8rem;margin:6px 0 1rem}#signup-prompt-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:10001;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s;pointer-events:none}#signup-prompt-overlay.visible{opacity:1;pointer-events:auto}.signup-prompt-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);backdrop-filter:blur(3px)}.signup-prompt-card{position:relative;background:var(--bg-dark);border:2px solid var(--border-primary);border-radius:12px;max-width:380px;width:90%;padding:2rem;text-align:center;box-shadow:0 20px 60px var(--overlay-medium);z-index:1;transform:translateY(20px);transition:transform .3s}#signup-prompt-overlay.visible .signup-prompt-card{transform:translateY(0)}.signup-prompt-close{position:absolute;top:.75rem;right:.75rem;background:0 0;border:none;color:var(--text-subtle);font-size:1.5rem;cursor:pointer;padding:0;line-height:1;transition:color .2s}.signup-prompt-close:hover{color:var(--text-primary)}.signup-prompt-card h3{color:var(--text-primary);font-size:1.4rem;margin:0 0 .75rem}.signup-prompt-card p{color:var(--text-light);font-size:.95rem;line-height:1.5;margin:0 0 1.5rem}.signup-prompt-cta{width:100%;padding:.75rem 1.5rem;background:var(--color-primary);color:var(--color-primary-text);border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer;transition:.2s;margin-bottom:.75rem}.signup-prompt-cta:hover{background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px var(--primary-alpha-25)}.signup-prompt-dismiss{background:0 0;border:none;color:var(--text-subtle);font-size:.875rem;cursor:pointer;padding:.5rem;transition:color .2s}.signup-prompt-dismiss:hover{color:var(--text-light)}@media (max-width:640px){.modal-content{padding:1.5rem;width:95%}.login-step h2{font-size:1.5rem}.user-menu-dropdown{right:auto;left:0}}