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16px;border-radius:20px;font-size:16px;line-height:1.4;word-wrap:break-word;position:relative;box-shadow:0 2px 8px #0000001a}.sent .message-content{background:linear-gradient(135deg,var(--sent-message-bg) 0%,#5856d6 100%);color:var(--sent-text-color);border-bottom-right-radius:6px}.received .message-content{background:var(--received-message-bg);color:var(--received-text-color);border-bottom-left-radius:6px}.samsung .received .message-content,.dark-theme .samsung .received .message-content{background:var(--samsung-message-received);color:var(--samsung-text-color)}.samsung .message.sent .message-content{background:linear-gradient(135deg,var(--samsung-primary) 0%,#7c4dff 100%);color:#fff}.message-time{font-size:12px;color:var(--text-secondary);margin-top:4px;font-weight:500}.chat-input{display:flex;align-items:center;padding:12px 20px 20px;background:var(--input-bg);border-top:1px solid rgba(0,0,0,.1);gap:12px}.dark-theme .iphone .chat-input{border-top:1px solid rgba(255,255,255,.1)}.samsung-input{background:var(--samsung-chat-bg)!important;border-top:1px solid rgba(0,0,0,.1)}.dark-theme .samsung-input{background:#1a1a1a!important;border-top:1px solid #2c2c2e}.attachment-button,.send-button{width:36px;height:36px;border-radius:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all var(--transition-speed) ease}.attachment-button{background:#007aff1a}.attachment-button:hover{background:#007aff33;transform:scale(1.1)}.send-button{background:linear-gradient(135deg,#007aff,#5856d6);box-shadow:0 4px 12px #007aff4d}.send-button:hover{transform:scale(1.1);box-shadow:0 6px 16px #007aff66}.plus-icon,.send-icon{width:16px;height:16px;border-radius:2px}.plus-icon{color:#007aff}.send-icon{color:#fff}.message-input{flex:1}.message-input input{width:100%;padding:12px 16px;border:none;border-radius:20px;background:#0000000d;font-size:16px;color:var(--text-primary);outline:none;transition:all var(--transition-speed) ease}.dark-theme .message-input input{background:#ffffff1a;color:var(--text-primary)}.message-input input:focus{background:#007aff1a;transform:scale(1.02)}.message-input input::-moz-placeholder{color:var(--text-secondary)}.message-input input::placeholder{color:var(--text-secondary)}.home-indicator{position:absolute;bottom:8px;left:50%;transform:translate(-50%);width:134px;height:5px;background:#0000004d;border-radius:2.5px;z-index:10}.dark-theme .home-indicator{background:#ffffff4d}.navigation-bar{display:flex;justify-content:center;align-items:center;padding:12px;background:#1a1a1a;gap:20px}.nav-button{width:8px;height:8px;background:#666;border-radius:50%;transition:all var(--transition-speed) ease}.nav-button:hover{background:var(--samsung-primary);transform:scale(1.2)}.samsung-action-btn{width:36px;height:36px;background:#6200ee1a;border-radius:50%;cursor:pointer;transition:all var(--transition-speed) ease;position:relative;display:flex;align-items:center;justify-content:center;color:var(--samsung-primary)}.samsung-action-btn:hover{background:#6200ee33;transform:scale(1.1);box-shadow:0 4px 12px #6200ee4d}.menu-button{position:relative}.dropdown-menu{position:absolute;top:100%;right:0;background:#2c2c2e;border-radius:12px;box-shadow:0 8px 32px #0006;border:1px solid #3a3a3c;min-width:160px;z-index:1000;animation:dropdownSlide .2s ease-out}@keyframes dropdownSlide{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.menu-item{width:100%;padding:12px 16px;background:none;border:none;color:var(--samsung-text-color);font-size:14px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:all var(--transition-speed) ease}.menu-item:hover{background:#6200ee1a;color:var(--samsung-primary)}.menu-item:first-child{border-radius:12px 12px 0 0}.menu-item:last-child{border-radius:0 0 12px 12px}.samsung-messages,.dark-theme .samsung-messages{background:var(--samsung-chat-bg)}@media (max-width: 768px){.phone-mockups{padding:10px}.phone-navbar{padding:12px 20px;margin-bottom:16px}.nav-buttons a{padding:10px 16px;font-size:14px}.phone-frame{width:320px;height:693px}.phone{margin:10px}}.chat-messages{scroll-behavior:smooth}.chat-messages::-webkit-scrollbar{width:4px}.chat-messages::-webkit-scrollbar-track{background:transparent}.chat-messages::-webkit-scrollbar-thumb{background:#0003;border-radius:2px}.dark-theme .chat-messages::-webkit-scrollbar-thumb{background:#fff3}