:root{--portal-bg:#f3f5f9;--portal-surface:#fff;--portal-primary:#1f4ac4;--portal-primary-hover:#173896;--portal-accent:#0284c7;--portal-text-main:#0f172a;--portal-text-muted:#64748b;--portal-border:#e2e8f0;--portal-success:#059669;--portal-danger:#dc2626;--portal-warning:#d97706;--radius-sm:8px;--radius-md:14px;--radius-lg:20px;--shadow-card:0 4px 20px -2px rgba(15,23,42,.06),0 2px 6px -1px rgba(15,23,42,.04)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--portal-bg);color:var(--portal-text-main);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.portal-container{max-width:860px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;background:var(--portal-surface);box-shadow:0 0 40px rgba(0,0,0,.05)}@media (min-width:768px){.portal-container{margin:20px auto;min-height:calc(100vh - 40px);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--portal-border)}}.portal-header{background:#0a1638;color:#fff;padding:16px 20px;justify-content:space-between;position:-webkit-sticky;position:sticky;top:0;z-index:40}.portal-brand,.portal-header{display:flex;align-items:center}.portal-brand{gap:12px}.portal-avatar-logo{width:38px;height:38px;border-radius:10px;background:var(--portal-primary);display:grid;place-items:center;font-weight:800;font-size:14px}.portal-brand-text h1{font-size:15px;font-weight:700;line-height:1.2}.portal-brand-text span{font-size:12px;color:#94a3b8}.portal-header-actions{display:flex;align-items:center;gap:10px}.btn-header-logout{background:hsla(0,0%,100%,.1);border:none;color:#fff;padding:6px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;cursor:pointer;transition:background .15s ease}.btn-header-logout:hover{background:rgba(239,68,68,.3)}.portal-bottom-nav{position:-webkit-sticky;position:sticky;bottom:0;background:var(--portal-surface);border-top:1px solid var(--portal-border);display:flex;justify-content:space-around;padding:8px 12px;z-index:40}.portal-nav-btn{display:flex;flex-direction:column;align-items:center;gap:4px;background:transparent;border:none;color:var(--portal-text-muted);font-size:11px;font-weight:600;cursor:pointer;padding:6px 12px;border-radius:var(--radius-sm);transition:all .12s ease}.portal-nav-btn.active,.portal-nav-btn:hover{color:var(--portal-primary)}.portal-nav-btn.active{background:#eff6ff}.portal-nav-icon{font-size:18px}.portal-content{flex:1 1;padding:20px;background:#f8fafc}.portal-card{background:var(--portal-surface);border:1px solid var(--portal-border);border-radius:var(--radius-md);padding:20px;margin-bottom:16px;box-shadow:var(--shadow-card)}.portal-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.portal-card-title{font-size:16px;font-weight:700;color:var(--portal-text-main)}.btn-portal{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;border:none;cursor:pointer;transition:all .15s ease;text-decoration:none}.btn-portal-primary{background:var(--portal-primary);color:#fff}.btn-portal-primary:hover{background:var(--portal-primary-hover)}.btn-portal-outline{background:transparent;border:1px solid var(--portal-border);color:var(--portal-text-main)}.btn-portal-outline:hover{background:#f1f5f9}.portal-field{margin-bottom:16px;display:flex;flex-direction:column;gap:6px}.portal-label{font-size:13px;font-weight:600;color:var(--portal-text-main)}.portal-input{padding:12px 14px;border:1px solid var(--portal-border);border-radius:var(--radius-sm);font-size:14px;outline:none;transition:border-color .15s ease}.portal-input:focus{border-color:var(--portal-primary)}.portal-alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:13.5px;margin-bottom:16px}.portal-alert-danger{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}.portal-alert-success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534}.portal-badge{display:inline-block;padding:3px 8px;border-radius:9999px;font-size:11px;font-weight:700}.portal-badge-pending{background:#fef3c7;color:#92400e}.portal-badge-done{background:#dcfce7;color:#166534}.portal-login-box{max-width:420px;margin:60px auto 20px;padding:32px 24px;background:var(--portal-surface);border-radius:var(--radius-lg);box-shadow:0 10px 30px rgba(0,0,0,.08);border:1px solid var(--portal-border)}