:root{--primary:#5a73e3;--primary-hover:#485ec4;--secondary:#6d56c1;--bg-start:#d2f1ff;--bg-end:#ffd6e8;--card-bg:#fff;--text-main:#1e295d;--text-muted:#718096;--border:#e2e8f0;--error:#f56565;--success:#48bb78;--radius:28px;--shadow:0 8px 24px #1e295d0a;--shadow-hover:0 12px 32px #1e295d14;--navbar-bg:#fff;--input-bg:#fff;--modal-overlay:#1e295d33}[data-theme=dark]{--primary:#8a9ff5;--primary-hover:#a1b2f7;--secondary:#9d89e7;--bg-start:#1a1c2e;--bg-end:#2d1b33;--card-bg:#24273d;--text-main:#e2e8f0;--text-muted:#94a3b8;--border:#334155;--shadow:0 8px 24px #0003;--shadow-hover:0 12px 32px #0000004d;--navbar-bg:#24273d;--input-bg:#1e293b;--modal-overlay:#0009}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(135deg, var(--bg-start) 0%, var(--bg-end) 100%);color:var(--text-main);background-attachment:fixed;flex-direction:column;align-items:center;min-height:100vh;padding:7rem 1rem 2rem;font-family:Quicksand,Nunito,system-ui,-apple-system,sans-serif;line-height:1.5;display:flex}.navbar{z-index:1000;border-radius:var(--radius) var(--radius);background:var(--navbar-bg);justify-content:space-between;align-items:center;width:95%;max-width:540px;margin-top:10px;padding:1rem;display:flex;position:fixed;top:0;left:50%;transform:translate(-50%)}.nav-brand{color:var(--text-main);letter-spacing:-.03em;align-items:center;gap:.5rem;font-size:1.5rem;font-weight:800;line-height:1.1;text-decoration:none;display:inline-flex}.logo-img{width:44px;height:44px}#auth-nav{align-items:center;gap:.5rem;display:flex}#auth-nav button,#logout-btn{background:var(--card-bg);color:var(--text-main);border:2px solid var(--border);cursor:pointer;border-radius:50px;width:auto;padding:.5rem 1.5rem;font-size:.95rem;font-weight:700;transition:all .2s;box-shadow:0 4px 10px #0000000d}#auth-nav button:hover,#logout-btn:hover{background:var(--card-bg);color:var(--primary);transform:translateY(-1px);box-shadow:0 6px 14px #00000014}#theme-toggle{border-radius:50%;justify-content:center;align-items:center;padding:.5rem;font-size:1.25rem;display:flex}.container{flex-direction:column;gap:1.5rem;width:100%;max-width:540px;display:flex}.card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);border:none;padding:2rem;transition:box-shadow .2s,background-color .2s}h2{color:var(--primary);letter-spacing:-.02em;margin-bottom:1.25rem;font-size:1.6rem;font-weight:800}h3{color:var(--secondary);letter-spacing:-.02em;margin-bottom:1rem;font-size:1.3rem;font-weight:800}.form-group{flex-direction:column;gap:.5rem;margin-bottom:1.25rem;display:flex}label{color:var(--text-main);font-size:.95rem;font-weight:700}.label-with-action{justify-content:space-between;align-items:center;display:flex}.icon-btn{cursor:pointer;width:auto;box-shadow:none;color:var(--text-main);background:0 0;border:none;padding:.25rem;font-size:1.5rem;transition:transform .2s}.icon-btn:hover{background:0 0;transform:scale(1.1)}textarea{width:100%;color:var(--text-main);resize:none;background-image:linear-gradient(var(--input-bg), var(--input-bg)), linear-gradient(to right, #7fd3ed, #ffcb77, #f172a1, #a182f9);background-origin:border-box;background-clip:padding-box,border-box;border:2px solid #0000;border-radius:18px;min-height:120px;padding:1.15rem 1rem;font-family:inherit;font-size:1rem}textarea:focus{outline:none}.checkbox-group{color:var(--text-main);align-items:center;gap:.6rem;margin-bottom:1.5rem;font-size:.95rem;font-weight:700;display:flex}input[type=checkbox]{accent-color:#6c7ff2;cursor:pointer;width:1.2rem;height:1.2rem}button,#createNewPostBtn{color:#fff;cursor:pointer;background:#6c7ff2;border:none;border-radius:50px;width:100%;padding:1.1rem;font-size:1.1rem;font-weight:800;transition:all .2s;box-shadow:0 6px 20px #6c7ff240}button:hover,#createNewPostBtn:hover{background:var(--primary-hover);opacity:1;transform:translateY(-1px)}button:active,#createNewPostBtn:active{transform:translateY(1px)}.posts-list{flex-direction:column;gap:.85rem;margin-top:1rem;display:flex}.post-item{background:var(--card-bg);cursor:pointer;box-shadow:var(--shadow);border:none;border-radius:20px;justify-content:space-between;align-items:center;gap:1rem;padding:1.25rem;transition:transform .2s,box-shadow .2s,background-color .2s;display:flex}.post-item:nth-child(3n+1){border-left:6px solid #4fc3f7}.post-item:nth-child(3n+2){border-left:6px solid #ff6b8b}.post-item:nth-child(3n+3){border-left:6px solid #9c27b0}.post-item:hover{box-shadow:var(--shadow-hover);background:var(--card-bg);transform:translateY(-2px)}.post-item-content{flex:1;overflow:hidden}.post-item-message{color:var(--text-main);white-space:nowrap;text-overflow:ellipsis;margin-bottom:.35rem;font-size:1.05rem;font-weight:700;overflow:hidden}.post-item-date{color:var(--text-muted);font-size:.8rem;font-weight:600}.share-icon-btn{color:#8a9bb4;width:42px;height:42px;box-shadow:none;background:#eef2f7;border:none;border-radius:50%;justify-content:center;align-items:center;padding:0;font-size:1.2rem;display:flex}[data-theme=dark] .share-icon-btn{color:#94a3b8;background:#334155}.share-icon-btn:hover{color:var(--primary);box-shadow:none;background:#e2e8f0;transform:scale(1.05)}[data-theme=dark] .share-icon-btn:hover{background:#475569}.google-btn{background:var(--card-bg);color:var(--text-main);border:2px solid var(--border);box-shadow:none;border-radius:20px;justify-content:center;align-items:center;gap:.75rem;display:flex}.google-btn:hover{background:var(--input-bg);box-shadow:none;transform:none}.google-icon{width:20px}.divider{text-align:center;color:var(--text-muted);margin:1.5rem 0;font-size:.8rem;font-weight:700;position:relative}.divider:before,.divider:after{content:"";background:var(--border);width:40%;height:1px;position:absolute;top:50%}.divider:before{left:0}.divider:after{right:0}.modal{background:var(--modal-overlay);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:2000;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:fixed;top:0;left:0}.modal-content{text-align:center;width:90%;max-width:400px;animation:.3s cubic-bezier(.34,1.56,.64,1) modalPop}@keyframes modalPop{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}#share-url{background:var(--input-bg);border:2px dashed var(--primary);color:var(--primary);text-align:center;cursor:pointer;border-radius:12px;font-weight:700}.modal-buttons{flex-direction:column;gap:.75rem;display:flex}.secondary-btn{background:var(--card-bg)!important;color:var(--text-muted)!important;border:2px solid var(--border)!important;box-shadow:none!important}.secondary-btn:hover{background:var(--input-bg)!important;color:var(--text-main)!important}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#1e295d1f;border-radius:10px}[data-theme=dark] ::-webkit-scrollbar-thumb{background:#ffffff1f}::-webkit-scrollbar-thumb:hover{background:#1e295d40}[data-theme=dark] ::-webkit-scrollbar-thumb:hover{background:#ffffff40}.post-card h1{color:var(--text-muted);margin-bottom:.75rem;font-size:1rem;font-weight:600}#post-content{color:var(--text-main);margin-bottom:1rem;font-size:1.5rem;font-weight:700;line-height:1.5}.replies-section h3{margin-bottom:1.25rem;font-size:1.1rem}.reply{background:var(--card-bg);box-shadow:var(--shadow);border-left:4px solid #6d56c1;border-radius:18px;margin-bottom:1rem;padding:1.25rem;transition:box-shadow .2s,background-color .2s}.reply:hover{box-shadow:var(--shadow-hover)}.reply-message{color:var(--text-main);margin-bottom:.75rem;font-size:1.15rem;font-weight:700;line-height:1.6}.reply-date{color:var(--text-muted);font-size:.8rem;font-weight:600}