:root {
    --primary-color: #2563eb;
    --bg-color: #f8fafc;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --header-bg: #ffffff;
    --button-bg: #2563eb;
    --button-text: #ffffff;
    --input-bg: #ffffff;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

main {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none !important;
}

#config-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    z-index: 100;
    width: 90%;
    max-width: 400px;
}

.form-group {
    margin-bottom: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

input {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

button {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    background-color: var(--border-color);
    color: var(--text-color);
}

#save-config, #modify-btn {
    background-color: var(--button-bg);
    color: var(--button-text);
}

.action-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 9999px;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
}