:root {
    --pastel-green: #A8E6CF;
    --pastel-blue: #A8D8EA;
    --pastel-orange: #FFD3B6;
    --pastel-red: #FFAAA5;
    --pastel-yellow: #FFEAA7;
    --pastel-purple: #D4A5E3;
    --pastel-pink: #FFC6D9;
    --pastel-mint: #C7E9C0;
    --pastel-lavender: #E6E6FA;
    --pastel-coral: #FFB6B9;
    --cream: #F9F7F7;
    --soft-gray: #F5F5F5;
    --border-radius: 16px;
    --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--cream);
    color: #5d5d5d;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    text-align: center;
    padding: 30px 0 20px;
}

    header h1 {
        font-size: 3rem;
        font-weight: 800;
        color: #5d5d5d;
        margin-bottom: 10px;
        text-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    header p {
        font-size: 1.2rem;
        color: #666;
        max-width: 700px;
        margin: 0 auto 30px;
    }

.design-selector {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
    background: white;
    padding: 15px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.design-btn {
    padding: 10px 20px;
    background: white;
    border: 2px solid #f1c4c4;
    border-radius: 30px;
    font-weight: 600;
    color: #5d5d5d;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
}

    .design-btn.active, .design-btn:hover {
        background: #f1c4c4;
        color: white;
        transform: translateY(-3px);
    }

.main-content {
    transition: all 0.3s ease;
    padding: 20px;
}

.top-nav {
    background-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0px -1px 25px 3px rgba(25, 0, 0, 0.21);
    border-radius: 12px;
    padding: 15px 25px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.design-container {
    min-height: 600px;
    position: relative;
    margin-bottom: 50px;
}

.design {
    display: block;
    animation: fadeIn 0.8s ease;
}

    .design.active {
        display: block;
    }


.design-7 {
    padding: 40px 0;
}

.login-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 40px;
    width: 100%;
    max-width: 1100px;
    text-align: center;
    transition: var(--transition);
}

    .login-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
    }

    .login-card img {
        margin-bottom: 20px;
        transition: var(--transition);
    }

        .login-card img:hover {
            transform: scale(1.05);
        }

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    animation: fadeIn 0.8s ease-out;
}

.flip-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.flip-card {
    width: 200px;
    height: 250px;
    perspective: 800px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
    cursor: pointer;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.flip-card-front {
    background: white;
    color: #5d5d5d;
}

.flip-card-back {
    background: #f1c4c4;
    color: white;
    transform: rotateY(180deg);
}

.flip-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    color: #f1c4c4;
}

.flip-card-back .flip-icon {
    color: white;
}

.flip-card h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.flip-card p {
    font-size: 0.70rem;
    margin-bottom: 25px;
}

.role-selection {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-top: 30px;
    flex-wrap: wrap;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    color: var(--dark);
}

.flip-btn {
    background: #f1c4c4;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.flip-card-back .flip-btn {
    background: white;
    color: #f1c4c4;
}

.flip-btn:hover {
    transform: translateY(-3px);
}