:root {
    --font-sans: Lexend, BlinkMacSystemFont, Arial, -apple-system, sans-serif;

    --font-size-base: 14px;
    --font-size-logo: 5rem;
    --font-size-tagline: 2rem;

    --color-cream-bg: #faf9f7;
    --color-light-grey-bg: #f0f0f0;
    --color-dark-brown: #4a4a4a;
    --color-light-grey: #666;
    --color-light-grey-desat: #999;
    --color-error: #b52620;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background-color: var(--color-cream-bg);
}

.form-container {
    width: 350px;
    max-width: 100%;
}

form {
    font-family: var(--font-sans);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    margin-bottom: 2rem;
}

.input-wrapper {
    position: relative;
    width: 100%;
}

input {
    font-family: var(--font-sans);
    background-color: var(--color-light-grey-bg);
    color: var(--color-light-grey);
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
    box-sizing: border-box;
    text-align: center;
}

input::placeholder {
    color: var(--color-light-grey-desat);
}

input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--color-light-grey);
}

button {
    font-family: var(--font-sans);
    padding: 12px;
    background-color: var(--color-dark-brown);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 1rem;
    margin-top: 1rem;
}

.secondary-button {
    background-color: var(--color-light-grey);
}

.error {
    font-family: var(--font-sans);
    color: var(--color-error);
    text-align: center;
    margin-top: 1rem;
    display: none;
}

.logo {
    width: 500px;
    height: auto;
    margin-bottom: 0.5rem;
    max-width: 100%;
}

.input-row {
    display: flex;
    gap: 1rem;
    width: 100%;
}

.input-row input {
    flex: 1;
}

h2 {
    font-family: var(--font-sans);
    color: var(--color-dark-brown);
    margin-bottom: 1.5rem;
    text-align: center;
}

.tooltip {
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 100%;
    margin-bottom: 20px;
    background-color: var(--color-cream-bg);
    border: 1px solid var(--color-light-grey);
    border-radius: 8px;
    padding: 8px 10px;
    font-family: var(--font-sans);
    font-size: 0.8rem;
    color: var(--color-dark-brown);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 10;
    line-height: 1.4;
    box-sizing: border-box;
    text-align: center;
}

.tooltip::after {
    content: "";
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--color-cream-bg);
}

.input-wrapper {
    margin-top: 0;
}

.input-wrapper:focus-within .tooltip {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 600px) {
    .form-container {
        width: 90%;
    }

    .logo {
        width: 90%;
    }
}