:root{--feature-surface-bg: var(--card-bg-color);--feature-surface-soft: color-mix(in srgb, var(--card-bg-color) 88%, var(--bg-color) 12%);--feature-surface-dark: var(--inner-surface-bg);--feature-surface-dark-soft: color-mix(in srgb, var(--inner-surface-bg) 70%, transparent);--feature-title-color: var(--text-color);--feature-main-color: color-mix(in srgb, var(--text-color) 85%, var(--secondary-text-color) 15%);--feature-secondary-color: var(--secondary-text-color);--feature-muted-color: color-mix(in srgb, var(--secondary-text-color) 85%, white 15%);--feature-muted-strong-color: color-mix(in srgb, var(--secondary-text-color) 70%, white 30%);--feature-border-color: color-mix(in srgb, var(--border-color) 85%, transparent);--feature-overlay-soft: color-mix(in srgb, black 10%, transparent);--feature-overlay-strong: color-mix(in srgb, black 60%, transparent);--feature-overlay-light-soft: color-mix(in srgb, white 10%, transparent);--feature-overlay-light: color-mix(in srgb, white 5%, transparent);--feature-warning: var(--warning-color);--feature-warning-soft: color-mix(in srgb, var(--warning-color) 25%, transparent);--feature-warning-light: color-mix(in srgb, var(--warning-color) 80%, white 20%);--feature-warning-orange: color-mix(in srgb, var(--warning-color) 78%, var(--error-color) 22%);--feature-warning-deep: color-mix(in srgb, var(--warning-color) 82%, var(--error-color) 18%);--feature-warning-deeper: color-mix(in srgb, var(--warning-color) 70%, var(--error-color) 30%);--feature-success-color: var(--success-color);--feature-danger-bg: color-mix(in srgb, var(--error-color) 18%, transparent);--feature-danger-bg-dark: color-mix(in srgb, var(--error-color) 35%, black 65%);--feature-danger-text: var(--error-color);--feature-danger-text-soft: color-mix(in srgb, var(--error-color) 45%, white 55%);--feature-shadow-sm: 0 4px 6px -1px color-mix(in srgb, black 10%, transparent), 0 2px 4px -1px color-mix(in srgb, black 6%, transparent);--feature-shadow-lg: 0 20px 25px -5px color-mix(in srgb, black 10%, transparent), 0 10px 10px -5px color-mix(in srgb, black 4%, transparent)}.feature-locked{position:relative;opacity:.6;cursor:not-allowed!important}.feature-locked:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:var(--feature-overlay-soft);pointer-events:none}.dark .feature-locked:after{background:var(--feature-overlay-light-soft)}.feature-upgrade-dialog{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:1rem}.feature-upgrade-dialog .feature-upgrade-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background-color:var(--feature-overlay-strong);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);opacity:0;transition:opacity .3s ease}.feature-upgrade-dialog.show .feature-upgrade-overlay{opacity:1}.feature-upgrade-dialog .feature-upgrade-content{position:relative;background-color:var(--feature-surface-bg);border-radius:1rem;box-shadow:var(--feature-shadow-lg);max-width:28rem;width:100%;transform:scale(.95) translateY(1rem);opacity:0;transition:all .3s ease}.dark .feature-upgrade-content{background-color:var(--feature-surface-dark)}.feature-upgrade-dialog.show .feature-upgrade-content{transform:scale(1) translateY(0);opacity:1}.feature-upgrade-close{position:absolute;top:1rem;right:1rem;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;background:transparent;border:none;border-radius:.375rem;color:var(--feature-muted-color);cursor:pointer;transition:all .2s}.feature-upgrade-close:hover{color:var(--feature-secondary-color);background-color:var(--feature-surface-soft)}.dark .feature-upgrade-close:hover{color:var(--feature-muted-strong-color);background-color:var(--feature-surface-dark)}.feature-upgrade-body{padding:2rem}.feature-upgrade-header{display:flex;flex-direction:column;align-items:center;margin-bottom:1.5rem}.feature-upgrade-icon{width:4rem;height:4rem;background:linear-gradient(135deg,var(--feature-warning),var(--feature-warning-orange));border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:1rem;box-shadow:0 10px 15px -3px color-mix(in srgb,var(--feature-warning) 30%,transparent)}.feature-upgrade-icon i{color:#fff}.feature-upgrade-title{font-weight:700;color:var(--feature-title-color);margin:0}.dark .feature-upgrade-title{color:#fff}.feature-upgrade-feature-info{background-color:var(--feature-surface-soft);border-radius:.5rem;padding:1rem;margin-bottom:1.5rem}.dark .feature-upgrade-feature-info{background-color:var(--feature-surface-dark-soft)}.feature-upgrade-feature-info h4{font-weight:600;color:var(--feature-title-color);margin:0 0 .5rem}.dark .feature-upgrade-feature-info h4{color:#fff}.feature-upgrade-feature-info p{color:var(--feature-secondary-color);margin:0}.dark .feature-upgrade-feature-info p{color:var(--feature-muted-strong-color)}.feature-upgrade-plan-info{display:flex;align-items:center;justify-content:space-between;background-color:var(--feature-surface-bg);border-radius:.5rem;padding:1rem;margin-bottom:1.5rem}.dark .feature-upgrade-plan-info{background-color:var(--feature-surface-dark)}.plan-current,.plan-required{text-align:center}.plan-label{color:var(--feature-secondary-color);margin:0 0 .25rem}.dark .plan-label{color:var(--feature-muted-color)}.plan-name{font-weight:600;color:var(--feature-title-color);margin:0}.dark .plan-name{color:#fff}.plan-required .plan-name{color:var(--feature-warning-deep)}.dark .plan-required .plan-name,.plan-arrow{color:var(--feature-warning)}.feature-upgrade-benefits{margin-bottom:2rem}.benefits-title{font-weight:500;color:var(--feature-main-color);margin:0 0 .75rem}.dark .benefits-title{color:var(--feature-muted-strong-color)}.benefit-item{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;color:var(--feature-secondary-color)}.dark .benefit-item{color:var(--feature-muted-color)}.benefit-item i{color:var(--feature-success-color)}.feature-upgrade-actions{display:flex;gap:.75rem}.feature-upgrade-actions .btn{flex:1}.feature-badge-locked{display:inline-block;background:var(--feature-danger-bg);color:var(--feature-danger-text);padding:2px 8px;border-radius:4px;font-weight:500;margin-left:8px}.dark .feature-badge-locked{background:var(--feature-danger-bg-dark);color:var(--feature-danger-text-soft)}.sidebar-item.feature-locked{position:relative}.sidebar-item.feature-locked .sidebar-link{opacity:.6}.sidebar-item.feature-locked .sidebar-link:after{content:"\1f512";position:absolute;right:16px;top:50%;transform:translateY(-50%)}.feature-lock-indicator{position:absolute;top:-.25rem;right:-.25rem;z-index:10;pointer-events:none}.feature-lock-badge{display:flex;align-items:center;gap:.125rem;background-color:var(--feature-warning);color:#fff;padding:.125rem .375rem;border-radius:9999px;box-shadow:var(--feature-shadow-sm);white-space:nowrap}.feature-lock-badge span{font-weight:500;display:none}@media(min-width:768px){.feature-lock-badge span{display:inline}}.feature-upgrade-dialog-modern{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:1rem}.feature-upgrade-overlay-modern{position:absolute;top:0;right:0;bottom:0;left:0;background-color:var(--feature-overlay-strong);opacity:0;transition:opacity .3s cubic-bezier(.4,0,.2,1)}.feature-upgrade-overlay-modern.active{opacity:1}.feature-upgrade-content-modern{position:relative;width:100%;max-width:28rem;background-color:var(--feature-surface-bg);border-radius:1rem;box-shadow:var(--feature-shadow-lg);padding:1.5rem;transform:scale(.95);opacity:0;transition:all .3s cubic-bezier(.4,0,.2,1)}.dark .feature-upgrade-content-modern{background-color:var(--feature-surface-dark)}.feature-upgrade-content-modern.active{transform:scale(1);opacity:1}.feature-upgrade-content-modern .feature-upgrade-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1rem}.feature-upgrade-icon-modern{width:3rem;height:3rem;background:linear-gradient(to bottom right,var(--feature-warning),var(--feature-warning-light));border-radius:.75rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.feature-upgrade-icon-modern i{color:#fff}.feature-upgrade-title h3{font-weight:600;color:var(--feature-title-color);margin-bottom:.25rem}.dark .feature-upgrade-title h3{color:#fff}.feature-upgrade-title p{color:var(--feature-secondary-color)}.dark .feature-upgrade-title p{color:var(--feature-muted-color)}.feature-upgrade-list{display:flex;flex-direction:column;gap:.75rem;margin-bottom:1.5rem}.feature-upgrade-item{display:flex;align-items:center;gap:.5rem;color:var(--feature-main-color)}.dark .feature-upgrade-item{color:var(--feature-muted-color)}.feature-upgrade-item i{color:var(--feature-success-color)}.feature-restricted{position:relative;cursor:not-allowed!important;-webkit-user-select:none;user-select:none}.feature-restricted:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background-color:var(--feature-overlay-soft);pointer-events:none;border-radius:inherit}@keyframes feature-shake{0%,to{transform:translate(0)}10%,30%,50%,70%,90%{transform:translate(-2px)}20%,40%,60%,80%{transform:translate(2px)}}.feature-shake{animation:feature-shake .5s ease-in-out}@media(max-width:640px){.feature-upgrade-content-modern{max-width:calc(100vw - 2rem)}}