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.locked-content{background:#1a1a2e;border:1px solid rgba(130,54,140,.5)}.dark .locked-content svg{color:var(--color-accent)}.app-main::-webkit-scrollbar{width:8px}.app-main::-webkit-scrollbar-track{background:transparent}.app-main::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:4px}.app-nav{display:flex;background:var(--color-nav-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--color-nav-border);box-shadow:var(--shadow-lg);flex-shrink:0;padding:.5rem;gap:.5rem}.nav-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.375rem;padding:.875rem .5rem;background:transparent;border:1px solid rgba(130,54,140,.3);border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);color:var(--color-text-secondary);font-family:inherit;position:relative;overflow:visible}.nav-tab:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,var(--color-header-from) 0%,var(--color-header-to) 100%);opacity:0;transition:var(--transition);border-radius:var(--radius-md)}.nav-tab:hover{color:var(--color-text);transform:translateY(-2px);background:var(--color-bg-secondary)}.nav-tab.active{color:#fff;background:#82368c26;border:none}.nav-tab.active:before{opacity:1}.dark .app-nav{border-top:2px solid rgba(130,54,140,.5);box-shadow:0 -4px 20px #82368c4d}.dark .nav-tab{border:1.5px solid rgba(130,54,140,.3)}.dark .nav-tab.active{box-shadow:var(--glow-accent);background:#82368c40;border:1.5px solid rgba(130,54,140,.8)}.dark .nav-tab:hover{border-color:#82368c99;background:#82368c26}.nav-tab.has-notification{background:#3b82f61a;border-color:#3b82f64d}.nav-tab.has-notification .tab-icon{color:#3b82f6}.dark .nav-tab.has-notification{background:#3b82f626;border-color:#3b82f680}.nav-tab--disabled{opacity:.35;cursor:not-allowed!important;pointer-events:none;filter:grayscale(1)}.nav-tab--disabled:hover{transform:none;background:transparent}.tab-icon{font-size:1.25rem;font-weight:700;position:relative;z-index:1;transition:var(--transition)}.nav-tab.active .tab-icon{transform:scale(1.1)}.tab-label{font-size:.75rem;font-weight:600;letter-spacing:.025em;position:relative;z-index:1}.dark .nav-tab .tab-label{color:var(--color-text-secondary)}.dark .nav-tab.active .tab-label{color:#fff}.notification-badge{position:absolute;top:.25rem;right:.25rem;background:linear-gradient(135deg,#3b82f6,#2563eb);color:#fff;font-size:.625rem;font-weight:700;min-width:1.25rem;height:1.25rem;border-radius:9999px;display:flex;align-items:center;justify-content:center;padding:0 .375rem;box-shadow:0 2px 8px #3b82f680;z-index:10;animation:pulse-notification 2s ease-in-out infinite}.notification-badge.notification-priority{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 2px 8px #ef444480;animation:pulse-urgent 1.5s ease-in-out infinite}@keyframes pulse-notification{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes pulse-urgent{0%,to{transform:scale(1)}50%{transform:scale(1.15);box-shadow:0 4px 12px #ef4444cc}}@media (min-width: 768px){.app-header{padding:1.25rem 2rem}.header-logo{width:56px;height:56px}.app-header h1{font-size:1.75rem}.nav-tab{padding:1rem}.tab-label{font-size:.8125rem}}@media (min-width: 1024px){.app-nav{padding:.75rem;gap:.75rem}.nav-tab{flex-direction:row;gap:.625rem;padding:1rem 1.5rem}.tab-icon{font-size:1.125rem}.tab-label{font-size:.875rem}}