/* CC-02b Wave 2 - extracted from FRONTEND/05_communication/communication-tips.html */
:root {
            --bg-primary: #ffffff;
            --bg-secondary: #fdf2f8;
            --bg-tertiary: #fce7f3;
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --text-accent: #ec4899;
            --border-color: #f3e8ff;
            --warmth-orange: #f59e0b;
            --empathy-purple: #8b5cf6;
        }

        .dark {
            --bg-primary: #1a0b1a;
            --bg-secondary: #2d1829;
            --bg-tertiary: #3d2235;
            --text-primary: #ffffff;
            --text-secondary: #e8d5e8;
            --text-accent: #ff6b9d;
            --border-color: #5d3a56;
        }

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            transition: all 0.3s ease;
        }

        .comm-card {
            background: var(--bg-secondary);
            border: 0.0625rem solid var(--border-color);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .comm-card:hover {
            transform: translateY(-0.25rem);
            box-shadow: 0 0.75rem 2.1875rem rgba(255, 107, 157, 0.2);
        }

        .comm-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 0.25rem;
            background: linear-gradient(90deg, var(--love-pink), var(--trust-blue), var(--harmony-green));
        }

        .conversation-header {
            background: linear-gradient(135deg, var(--love-pink), var(--trust-blue));
            border-radius: 1rem;
            padding: 2rem;
            text-align: center;
            color: white;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }

        .conversation-header::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0.125rem, transparent 0.125rem);
            background-size: 2.5rem 2.5rem;
            animation: float 15s linear infinite;
        }

        .comm-stage {
            background: var(--bg-tertiary);
            border: 0.125rem solid var(--border-color);
            border-radius: 0.75rem;
            padding: 1rem 1.5rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
            position: relative;
        }

        .comm-stage:hover {
            border-color: var(--love-pink);
            transform: scale(1.05);
        }

        .comm-stage.active {
            background: linear-gradient(135deg, var(--love-pink), var(--trust-blue));
            border-color: var(--trust-blue);
            color: white;
        }

        .comm-stage::after {
            content: '';
            position: absolute;
            top: 50%;
            right: -1.25rem;
            transform: translateY(-50%);
            width: 0;
            height: 0;
            border-left: 0.9375rem solid var(--border-color);
            border-top: 0.625rem solid transparent;
            border-bottom: 0.625rem solid transparent;
            transition: all 0.3s ease;
        }

        .comm-stage.active::after {
            border-left-color: var(--trust-blue);
        }

        .comm-stage:last-child::after {
            display: none;
        }

        .chat-simulation {
            background: var(--bg-tertiary);
            border-radius: 1rem;
            padding: 1.5rem;
            max-height: 25rem;
            overflow-y: auto;
        }

        .message {
            margin-bottom: 1rem;
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

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

        .message-bubble {
            max-width: 70%;
            padding: 0.75rem 1rem;
            border-radius: 1rem;
            position: relative;
        }

        .message.partner .message-bubble {
            background: var(--bg-secondary);
            border: 0.0625rem solid var(--border-color);
        }

        .message.user .message-bubble {
            background: linear-gradient(135deg, var(--love-pink), var(--trust-blue));
            color: white;
        }

        .message-avatar {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .partner-avatar {
            background: linear-gradient(135deg, var(--harmony-green), var(--empathy-purple));
        }

        .user-avatar {
            background: linear-gradient(135deg, var(--love-pink), var(--warmth-orange));
        }

        .warning-card {
            background: var(--bg-secondary);
            border-left: 0.25rem solid var(--warmth-orange);
            border-radius: 0.5rem;
            padding: 1rem;
            margin: 1rem 0;
        }

        .danger-card {
            background: var(--bg-secondary);
            border-left: 0.25rem solid #ef4444;
            border-radius: 0.5rem;
            padding: 1rem;
            margin: 1rem 0;
        }

        .search-input {
            background: var(--bg-tertiary);
            border: 0.0625rem solid var(--border-color);
            color: var(--text-primary);
        }

        .search-input:focus {
            border-color: var(--love-pink);
            box-shadow: 0 0 0 0.1875rem rgba(255, 107, 157, 0.1);
        }

        .emoji-reaction {
            display: inline-block;
            font-size: 1.2rem;
            margin: 0 0.25rem;
            cursor: pointer;
            transition: transform 0.2s ease;
        }

        .emoji-reaction:hover {
            transform: scale(1.2);
        }

        .fade-in {
            animation: fadeIn 0.6s ease-in;
        }

        .typing-animation {
            display: inline-block;
            width: 0.1875rem;
            height: 0.1875rem;
            border-radius: 50%;
            background: var(--text-secondary);
            margin: 0 0.0625rem;
            animation: typing 1.4s infinite ease-in-out;
        }

        .typing-animation:nth-child(1) { animation-delay: 0s; }
        .typing-animation:nth-child(2) { animation-delay: 0.2s; }
        .typing-animation:nth-child(3) { animation-delay: 0.4s; }

        @keyframes typing {
            0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
            40% { transform: scale(1); opacity: 1; }
        }

        .conversation-flow {
            display: flex;
            align-items: center;
            gap: 1rem;
            overflow-x: auto;
            padding: 1rem 0;
        }

        .flow-step {
            flex-shrink: 0;
            min-width: 9.375rem;
        }

        .success-story {
            background: linear-gradient(135deg, var(--harmony-green), var(--trust-blue));
            border-radius: 1rem;
            padding: 1.5rem;
            color: white;
            text-align: center;
        }