:root{--color-surface-bg: #f5f7fa;--color-surface-card: #ffffff;--color-text-primary: #00ADB5;--color-text-secondary: #64748b;--color-primary-main: #06b6d4;--color-primary-hover: #0891b2;--color-sidebar-bg: #ffffff;--color-header-bg: #ffffff;--color-border-subtle: #e2e8f0;--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / .05), 0 1px 2px -1px rgb(0 0 0 / .05)}@media(prefers-color-scheme:dark){:root{--color-surface-bg: #393E46;--color-surface-card: #1e293b;--color-text-primary: #008c94;--color-text-secondary: #94a3b8;--color-sidebar-bg: #1e293b;--color-header-bg: #1e293b;--color-border-subtle: #334155}}html{height:100%}body{margin:0;background-color:var(--color-surface-bg);color:#00adb5;font-family:Inter,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;font-size:16px;line-height:1.5;min-width:unset;min-height:100vh}a{font-weight:500;color:var(--color-primary-main);text-decoration:none;transition:color .2s ease-in-out}a:hover{color:var(--color-primary-hover)}h1{font-size:2.5rem;font-weight:700;line-height:1.2;color:var(--color-text-primary);margin-top:.5em;margin-bottom:.5em}button{border-radius:6px;border:none;padding:.6em 1.2em;font-size:1em;font-weight:600;cursor:pointer;transition:background-color .25s,box-shadow .25s;background-color:var(--color-primary-main);color:var(--color-surface-card)}button:hover{background-color:var(--color-primary-hover);box-shadow:var(--shadow-sm)}button:focus-visible{outline:2px solid var(--color-primary-hover);outline-offset:2px}.app-layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh;width:100%;gap:0}.layout-container-main{display:flex;flex-direction:column;min-height:100vh;background-color:var(--color-surface-bg);transition:margin-left .3s ease}.main-area{flex-grow:1;padding:24px 32px;position:relative;background-color:#0f172a}.content-box{background-color:var(--color-surface-card);border-radius:12px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;padding:24px;border:1px solid var(--color-border-subtle)}.sidebar-container{background-color:var(--color-sidebar-bg);border-right:1px solid var(--color-border-subtle);transition:transform .3s ease}@media(max-width:1024px){.app-layout{grid-template-columns:1fr}.sidebar-container{position:fixed;top:0;left:0;bottom:0;z-index:50;width:280px;transform:translate(-100%);box-shadow:2px 0 5px #0000001a}.sidebar-container.open{transform:translate(0)}.layout-container-main{margin-left:0}.main-area{padding:16px}.menu-overlay{position:fixed;inset:0;background-color:#0006;z-index:40;cursor:pointer}}.app-header{background-color:#0f172a;color:#eee;display:flex;justify-content:space-between;align-items:center;padding:.75rem 2rem;box-shadow:0 2px 10px #0000004d;border-bottom:2px solid #1e293b;position:sticky;top:0;z-index:1000;height:70px;transition:all .3s ease}.header-logo{display:flex;align-items:center;cursor:pointer;gap:10px}.logo-text{font-size:1.5rem;font-weight:800;color:#3b82f6;margin:0;letter-spacing:1px}.header-nav .nav-list{display:flex;list-style:none;gap:1.5rem;margin:0;padding:0}.header-item{display:flex;align-items:center;gap:8px;cursor:pointer;color:#94a3b8;font-weight:500;padding:8px 12px;border-radius:6px;transition:all .2s ease}.header-item:hover,.header-item.active{color:#fff;background-color:#1e293b}.header-icon{font-size:1.2rem}.header-actions{display:flex;align-items:center;gap:1rem}.register-btn,.login-btn{display:flex;align-items:center;gap:6px;padding:.5rem 1rem;border-radius:8px;border:none;cursor:pointer;font-weight:600;transition:transform .2s,background .2s}.register-btn{background-color:#1e293b;color:#f1f5f9}.register-btn:hover{background-color:#334155;transform:translateY(-1px)}.user-info-card{display:flex;align-items:center;background:#1e293b;padding:5px 12px;border-radius:50px;cursor:pointer;border:1px solid #334155}.user-avatar{width:30px;height:30px;background:#3b82f6;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem}.user-meta{display:flex;flex-direction:column;margin:0 10px}.user-name{font-size:.85rem;font-weight:600;color:#f1f5f9}.user-status{font-size:.65rem;color:#10b981}@media screen and (max-width:1024px){.header-nav{display:none}.app-header{padding:.5rem 1rem}.menu-toggle-btn{display:block!important}}@media screen and (max-width:600px){.logo-text{font-size:1.2rem}.user-meta,.register-btn span{display:none}.register-btn{padding:8px}.user-info-card{padding:4px;background:transparent;border:none}.header-actions{gap:.5rem}}.menu-toggle-container,.mobile-only-toggle{display:none}@media(max-width:768px){.mobile-only-toggle{display:flex;align-items:center}}.custom-swal-popup{background-color:#0f172a!important;color:#fff!important;border:1px solid #334155;border-radius:16px!important}.custom-swal-confirm{background-color:#3b82f6!important;font-weight:600!important}.custom-swal-cancel{background-color:#475569!important}.app-footer{position:fixed;bottom:0;right:0;width:calc(100% - 260px);background-color:#0f172a;z-index:1000;padding:10px 20px;transition:width .3s ease,left .3s ease}.footer-content{display:flex;flex-direction:column;width:100%}.footer-brand{color:#00adb5;font-weight:700;margin:0;align-self:flex-start}.footer-copyright{color:#4facfe;font-size:.85rem;margin-top:4px;align-self:center;text-align:center}@media(max-width:992px){.app-footer{width:calc(100% - 80px)}}@media(max-width:768px){.app-footer{width:100%;left:0;padding:12px 10px}.footer-content{align-items:center}.footer-brand{align-self:center;font-size:1rem;margin-bottom:4px}.footer-copyright{align-self:center;font-size:.75rem;opacity:.8}}@media(max-width:480px){.footer-copyright{font-size:.7rem;line-height:1.2}}:root{--side-bg: #0f172a;--side-cyan: #00f2ff;--side-border: rgba(255, 255, 255, .08);--text-muted: rgba(255, 255, 255, .5)}.side-nav{width:280px;height:100vh;background:var(--side-bg);border-right:1px solid var(--side-border);display:flex;flex-direction:column;padding:20px 15px;position:fixed;top:0;left:0;z-index:1001;transition:transform .4s cubic-bezier(.4,0,.2,1)}.side-nav-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;padding:0 10px}.brand-group{display:flex;align-items:center;gap:12px}.brand-logo{background:linear-gradient(135deg,var(--side-cyan),#00a2ff);width:35px;height:35px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:900;color:#0f172a}.brand-title{color:#fff;font-size:1.2rem;font-weight:800;text-transform:uppercase}.brand-title span{color:var(--side-cyan)}.group-header{display:flex;justify-content:space-between;align-items:center;padding:12px 15px;cursor:pointer;color:var(--text-muted);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:1px}.group-header:hover{color:var(--side-cyan)}.arrow-icon{transition:transform .3s ease}.arrow-icon.rotated{transform:rotate(180deg);color:var(--side-cyan)}.menu-list{list-style:none;padding:0;margin:0;overflow:hidden}.menu-item{display:flex;align-items:center;gap:12px;padding:12px 15px;border-radius:10px;cursor:pointer;color:#ffffffb3;transition:.3s;margin-bottom:4px}.menu-item:hover{background:#ffffff0d;transform:translate(5px);color:#fff}.menu-item.active{background:#00f2ff1a;border:1px solid rgba(0,242,255,.2);color:var(--side-cyan)}.active-glow{width:6px;height:6px;background:var(--side-cyan);border-radius:50%;box-shadow:0 0 10px var(--side-cyan);margin-left:auto}.side-nav-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000}.mobile-close-btn{display:none;background:none;border:none;color:#fff;cursor:pointer}@media(max-width:850px){.side-nav{transform:translate(-100%)}.side-nav.open{transform:translate(0);box-shadow:20px 0 50px #00000080}.mobile-close-btn{display:block}}