* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
        }

        .container {
            background: white;
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            max-width: 900px;
            width: 100%;
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            text-align: center;
        }

        .header h1 {
            font-size: 2.5em;
            margin-bottom: 10px;
        }

        .header p {
            font-size: 1.1em;
            opacity: 0.9;
        }

        .screen {
            display: none;
            padding: 40px;
        }

        .screen.active {
            display: block;
        }

        /* Экран регистрации */
        .events-list {
            margin-bottom: 30px;
        }

        .event-card {
            border: 2px solid #e0e0e0;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .event-card:hover {
            border-color: #667eea;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        }

        .event-card.selected {
            border-color: #667eea;
            background: #f0f4ff;
        }

        .event-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .event-time {
            font-weight: bold;
            color: #667eea;
            font-size: 1.2em;
        }

        .event-participants {
            color: #666;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #333;
        }

        .form-group input {
            width: 100%;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            font-size: 1em;
            transition: border-color 0.3s;
        }

        .form-group input:focus {
            outline: none;
            border-color: #667eea;
        }

        .gender-select {
            display: flex;
            gap: 15px;
        }

        .gender-option {
            flex: 1;
            padding: 15px;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 600;
        }

        .gender-option:hover {
            border-color: #667eea;
        }

        .gender-option.selected {
            border-color: #667eea;
            background: #667eea;
            color: white;
        }

        .btn {
            width: 100%;
            padding: 15px;
            border: none;
            border-radius: 8px;
            font-size: 1.1em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            margin-top: 20px;
        }

        .btn-primary {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
        }

        .btn-primary:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            transform: none;
        }

        /* Экран ожидания */
        .waiting-room {
            text-align: center;
        }

        .progress-circle {
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: conic-gradient(#667eea 0%, #764ba2 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            margin: 30px auto;
            position: relative;
        }

        .progress-circle::before {
            content: '';
            width: 170px;
            height: 170px;
            border-radius: 50%;
            background: white;
            position: absolute;
        }

        .progress-text {
            position: relative;
            z-index: 1;
            font-size: 2em;
            font-weight: bold;
            color: #667eea;
        }

        .participants-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .participant-slot {
            padding: 15px;
            border: 2px dashed #e0e0e0;
            border-radius: 8px;
            text-align: center;
            color: #999;
        }

        .participant-slot.filled {
            border-style: solid;
            border-color: #667eea;
            background: #f0f4ff;
            color: #333;
        }

        /* Экран чата */
        .chat-screen {
            height: 600px;
            display: flex;
            flex-direction: column;
        }

        .chat-header {
            background: #f8f9fa;
            padding: 20px;
            border-bottom: 2px solid #e0e0e0;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .partner-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .partner-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            font-size: 1.5em;
            font-weight: bold;
        }

        .timer {
            font-size: 1.5em;
            font-weight: bold;
            color: #667eea;
        }

        .chat-messages {
            flex: 1;
            overflow-y: auto;
            padding: 20px;
            background: #f8f9fa;
        }

        .message {
            margin-bottom: 15px;
            display: flex;
            gap: 10px;
        }

        .message.own {
            flex-direction: row-reverse;
        }

        .message-bubble {
            max-width: 70%;
            padding: 12px 16px;
            border-radius: 18px;
            background: white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        .message.own .message-bubble {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
        }

        .chat-input-area {
            padding: 20px;
            background: white;
            border-top: 2px solid #e0e0e0;
            display: flex;
            gap: 10px;
        }

        .chat-input-area input {
            flex: 1;
            padding: 12px;
            border: 2px solid #e0e0e0;
            border-radius: 25px;
            font-size: 1em;
        }

        .chat-input-area button {
            padding: 12px 30px;
            border: none;
            border-radius: 25px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            font-weight: 600;
            cursor: pointer;
        }

        .like-dislike {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }

        .like-btn, .dislike-btn {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 8px;
            font-size: 1.1em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .like-btn {
            background: #4caf50;
            color: white;
        }

        .dislike-btn {
            background: #f44336;
            color: white;
        }

        .like-btn:hover, .dislike-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }

        /* Экран результатов */
        .results {
            text-align: center;
        }

        .match-card {
            border: 2px solid #4caf50;
            border-radius: 12px;
            padding: 20px;
            margin-bottom: 15px;
            background: #f1f8f4;
        }

        .match-card h3 {
            color: #4caf50;
            margin-bottom: 10px;
        }

        .contact-info {
            background: white;
            padding: 15px;
            border-radius: 8px;
            margin-top: 10px;
        }

        .progress-indicator {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }

        .progress-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #e0e0e0;
        }

        .progress-dot.active {
            background: #667eea;
        }

        .progress-dot.completed {
            background: #4caf50;
        }