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.message-content{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;border:none}.message-content:hover{box-shadow:var(--shadow)}.message-username{font-size:12px;font-weight:600;color:var(--primary);margin-bottom:6px}.message.mine .message-username{color:#ffffffe6}.message-content p{margin:0;font-size:15px;line-height:1.5;word-wrap:break-word;overflow-wrap:break-word}.message.mine .message-content p{color:#fff}.self-destruct-indicator{display:flex;align-items:center;gap:6px;margin-top:8px;padding:6px 10px;background:#f59e0b1a;border-radius:var(--radius);font-size:11px;color:var(--warning);border:1px solid rgba(245,158,11,.2)}.message.mine .self-destruct-indicator{background:#fff3;color:#ffffffe6;border-color:#ffffff4d}.message-actions{display:flex;gap:6px;margin-top:8px;opacity:0;transition:var(--transition)}.message-content:hover .message-actions{opacity:1}.message-action-btn{padding:4px 8px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-size:14px;transition:var(--transition)}.message-action-btn:hover{transform:scale(1.1);background:var(--border)}.message.mine .message-action-btn{background:#fff3;border-color:#ffffff4d}.message.mine .message-action-btn:hover{background:#ffffff4d}.message-reactions{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.reaction-badge{padding:4px 10px;background:var(--bg-tertiary);border-radius:var(--radius-full);font-size:13px;border:1px solid var(--border);font-weight:500}.timestamp{display:block;font-size:11px;color:var(--text-tertiary);margin-top:6px;text-align:right}.message.mine .timestamp{color:#ffffffb3}.message.deleted .message-content{opacity:.5;font-style:italic}.message.encrypted-error .message-content{border:1px dashed var(--danger);background:#ef44440d}.input-container{padding:16px 20px;background:var(--bg-secondary);border-top:1px solid var(--border);display:flex;gap:10px;align-items:center;position:relative}.self-destruct-btn,.emoji-btn{width:44px;height:44px;border:none;background:var(--bg-tertiary);border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);color:var(--text-primary);flex-shrink:0}.self-destruct-btn:hover,.emoji-btn:hover{background:var(--border);transform:scale(1.05)}.self-destruct-btn.active{background:var(--warning);color:#fff}.emoji-picker{position:absolute;bottom:70px;left:70px;background:var(--bg-primary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;box-shadow:var(--shadow-lg);z-index:100;animation:slideUp .2s ease-out}.emoji-option{width:44px;height:44px;border:none;background:var(--bg-secondary);border-radius:var(--radius);font-size:24px;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}.emoji-option:hover{background:var(--bg-tertiary);transform:scale(1.1)}.input-container input{flex:1;padding:12px 18px;background:var(--bg-tertiary);border:2px solid var(--border);border-radius:var(--radius-full);font-size:15px;color:var(--text-primary);transition:var(--transition);outline:none}.input-container input:focus{border-color:var(--primary);background:var(--bg-primary)}.input-container input:disabled{opacity:.5;cursor:not-allowed}.send-btn{width:44px;height:44px;border:none;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition);box-shadow:var(--shadow);flex-shrink:0}.send-btn:hover:not(:disabled){transform:scale(1.05);box-shadow:var(--shadow-md)}.send-btn:active:not(:disabled){transform:scale(.95)}.send-btn:disabled{opacity:.5;cursor:not-allowed}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes messageSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media(max-width:768px){.app{padding:0}.chat-container{max-width:100%;height:100vh;height:100dvh;border-radius:0}.join-container{max-width:100%;padding:0 16px}.join-card{padding:32px 24px}.join-card h1{font-size:24px}.features{grid-template-columns:repeat(3,1fr);gap:10px}.feature{padding:12px 8px}.feature span{font-size:11px}.chat-header{grid-template-columns:1fr;gap:8px;padding:12px 16px;min-height:auto}.header-left{justify-content:center;font-size:13px}.header-center{order:-1}.header-right{justify-content:center;gap:8px}.key-fingerprint,.expires-time{display:none}.user-badge{font-size:13px;padding:6px 14px}.share-link-container{padding:10px 16px}.link-copy-group{flex-direction:column}.copy-btn-inline{width:100%;justify-content:center}.messages-container{padding:16px;gap:12px}.message{max-width:90%}.message-content{padding:10px 14px}.message-content p{font-size:14px}.input-container{padding:12px 16px;gap:8px}.self-destruct-btn,.emoji-btn,.send-btn{width:40px;height:40px}.input-container input{padding:10px 16px;font-size:14px}.emoji-picker{bottom:60px;left:16px;right:16px;grid-template-columns:repeat(4,1fr)}.theme-toggle.floating,.logout-btn.floating{width:44px;height:44px;top:16px}.theme-toggle.floating{right:16px}.logout-btn.floating{right:70px}}@media(max-width:480px){.join-card{padding:24px 20px}.lock-icon{width:64px;height:64px}.join-card h1{font-size:22px}.subtitle{font-size:14px}.features{gap:8px}.feature{padding:10px 6px}.feature svg{width:18px;height:18px}.feature span{font-size:10px}.messages-container{padding:12px}.message{max-width:95%}.input-container{padding:10px 12px}.self-destruct-btn,.emoji-btn,.send-btn{width:36px;height:36px}.emoji-picker{grid-template-columns:repeat(4,1fr);padding:10px;gap:6px}.emoji-option{width:40px;height:40px;font-size:20px}}@media(max-height:600px)and (orientation:landscape){.chat-container{height:100vh}.messages-container{padding:12px 16px}.join-card{padding:24px 32px}.lock-icon{width:60px;height:60px;margin-bottom:16px}}@media(min-width:768px)and (max-width:1024px){.chat-container{max-width:750px}.key-fingerprint{display:inline-block}}@supports (padding: max(0px)){.chat-header{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right))}.input-container{padding-left:max(20px,env(safe-area-inset-left));padding-right:max(20px,env(safe-area-inset-right));padding-bottom:max(16px,env(safe-area-inset-bottom))}}@media print{.theme-toggle.floating,.logout-btn.floating,.input-container,.share-link-container{display:none}}