:root {
            --bg-color: #fbf8f0;
            --card-bg: #ffffff;
            --text-color: #4a4a4a;
            --secondary-text: #666666;
            --primary-color: #fdaaaa;
            --accent-color: #fdaaaa;
            --breathe-circle-color: #fdaaaa;
            --shadow: rgba(0, 0, 0, 0.1);
        }

        body.dark-mode {
            --bg-color: #1c1e2b;
            --card-bg: #16213e;
            --text-color: #f5f5f5;
            --secondary-text: #bd86fc;
            --primary-color: #8c7ae6;
            --breathe-circle-color: #bd86fc;
            --shadow: rgba(0, 0, 0, 0.4);
        }

        /* Basic Page Styles */
        body {
            font-family: 'Arial', sans-serif;
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background-color: var(--bg-color);
            color: var(--text-color);
            transition: background-color 0.3s, color 0.3s;
        }

        .main-layout {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 1100px;
            padding: 20px;
            box-sizing: border-box;
            width: 100%;
        }
        
        @media (min-width: 768px) {
            .main-layout {
                flex-direction: row;
                gap: 30px;
            }
        }

        .breathing-container, .daily-content {
            background-color: var(--card-bg);
            border-radius: 15px;
            box-shadow: 0 10px 30px var(--shadow);
            padding: 30px;
            text-align: center;
            flex: 1;
            position: relative;
        }

        /* Headings and Paragraphs */
        h1 {
            color: var(--primary-color);
            margin-bottom: 10px;
            font-size: clamp(24px, 5vw, 36px);
        }
        
        h2 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: clamp(20px, 4vw, 30px);
        }

        p {
            color: var(--secondary-text);
            margin-bottom: 25px;
            line-height: 1.5;
            font-size: clamp(14px, 3vw, 16px);
        }
        
        /* Daily Content Section */
        .daily-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: left;
        }
        
        .daily-item {
            margin-bottom: 20px;
            width: 100%;
        }
        
        .daily-item:last-child {
            margin-bottom: 0;
        }
        
        .daily-item h3 {
            color: var(--text-color);
            margin-bottom: 5px;
            font-size: clamp(18px, 3.5vw, 24px);
        }
        
        .daily-item p {
            color: var(--secondary-text);
            margin: 0;
            line-height: 1.4;
            font-style: italic;
        }
        
        .daily-item textarea {
            width: 100%;
            height: 100px;
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--secondary-text);
            background-color: var(--card-bg);
            color: var(--text-color);
            resize: vertical;
            font-family: 'Arial', sans-serif;
            font-style: italic;
            transition: background-color 0.3s, color 0.3s;
            box-sizing: border-box;
        }

        .daily-item textarea::placeholder {
            color: var(--secondary-text);
            opacity: 0.7;
        }

        body.dark-mode .daily-item textarea {
            border-color: #3a3a5a;
        }

        /* Breathing Circle Animation */
        .breathing-circle-wrapper {
            position: relative;
            width: clamp(150px, 40vw, 300px);
            aspect-ratio: 1 / 1;
            margin: 30px auto;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .breathing-circle {
            width: 100%;
            height: 100%;
            background-color: var(--breathe-circle-color);
            border-radius: 50%;
            opacity: 0.8;
            transform: scale(1);
            transition: transform 4s ease-in-out;
            box-shadow: 0 0 20px rgba(33, 150, 243, 0.5);
        }
        
        body.dark-mode .breathing-circle {
            box-shadow: 0 0 20px rgba(97, 218, 251, 0.5);
        }

        .breathing-text {
            position: absolute;
            font-size: clamp(16px, 4vw, 24px);
            font-weight: bold;
            color: white;
            z-index: 10;
            user-select: none;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        /* Start/Stop Button */
        .btn-start {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 25px;
            cursor: pointer;
            font-size: 18px;
            font-weight: bold;
            transition: background-color 0.2s, transform 0.2s;
            margin-top: 20px;
            box-shadow: 0 4px 6px var(--shadow);
        }

        .btn-start:hover {
            transform: translateY(-2px);
            background-color: #5a3ce0;
        }

        /* Rules Section */
        .rules {
            margin-top: 30px;
            text-align: left;
            border-top: 1px solid var(--secondary-text);
            padding-top: 20px;
            width: 100%;
        }

        .rules h3 {
            color: var(--text-color);
            margin-bottom: 10px;
        }

        .rules ul {
            list-style: none;
            padding: 0;
        }

        .rules li {
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            color: var(--secondary-text);
        }

        .rules li .material-icons {
            margin-right: 10px;
            font-size: 20px;
            color: var(--primary-color);
        }

        /* Other Resources Section */
        .other-resources {
            margin-top: 30px;
            text-align: left;
            border-top: 1px solid var(--secondary-text);
            padding-top: 20px;
            width: 100%;
        }
        
        .other-resources h3 {
            color: var(--text-color);
            margin-bottom: 10px;
        }

        .other-resources ul {
            list-style: none;
            padding: 0;
        }

        .other-resources li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            font-size: 1em;
        }
        
        .other-resources a {
            text-decoration: none;
            color: var(--primary-color);
            font-weight: bold;
            transition: color 0.2s;
        }
        
        .other-resources a:hover {
            color: #5a3ce0;
        }
        
        .other-resources .material-icons {
            margin-right: 10px;
            font-size: 20px;
            color: var(--primary-color);
        }

        /* Dark/Light Mode Toggle */
        .theme-toggle {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--card-bg);
            border: 1px solid var(--secondary-text);
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background-color 0.3s, border-color 0.3s, transform 0.2s;
            box-shadow: 0 2px 4px var(--shadow);
        }
        
        .theme-toggle:hover {
            transform: translateY(-2px);
        }

        .theme-toggle .material-icons {
            font-size: 20px;
            color: var(--text-color);
            transition: color 0.3s;
        }

        /* Animation classes toggled by JavaScript */
        .breathing-circle.breathe-in {
            transform: scale(1.3);
            transition-duration: 4s;
        }
        .breathing-circle.hold {
            transform: scale(1.3);
            transition-duration: 7s;
        }
        .breathing-circle.breathe-out {
            transform: scale(1);
            transition-duration: 8s;
        }