/* CSS Variables for consistent theming */
:root {
    --background-color: #121212;
    --element-background: #1E1E1E;
    --text-color: #E0E0E0;
    --accent-color: #BB86FC;
    --accent-hover: #a473e5;
    --border-radius: 5px;
}

/* Reset some basic elements */
body, h1, ul, li, button, input {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    overflow-y: auto;
}

h1 {
    color: #FFFFFF;
    font-size: 2.5em;
    font-weight: 300;
    letter-spacing: 2px;
    margin: 20px 0;
    text-align: center;
    background-color: var(--background-color);
    width: 100%;
    box-sizing: border-box;
}

.tabs {
    display: flex;
    justify-content: center;
    background-color: var(--background-color);
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
}

.tab {
    background-color: transparent;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
    transition: border-bottom 0.3s ease;
    font-size: 1em;
    color: var(--text-color);
    border-bottom: 2px solid transparent;
    margin: 0 10px;
}

.tab.active {
    border-bottom: 2px solid var(--accent-color);
}

.tabcontent {
    display: none;
    padding: 20px;
    width: 100%;
    max-width: 600px;
    background-color: var(--background-color);
    border-radius: var(--border-radius);
    box-sizing: border-box;
}

.logout-button {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 12px;
    background: transparent;
    color: #666;
    border: 1px solid #666;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s ease;
}

.logout-button:hover {
    background-color: #f5f5f5;
}


.tabcontent.active {
    display: block;
}

button {
    padding: 10px 20px;
    border: none;
    background-color: var(--accent-color);
    color: #FFFFFF;
    cursor: pointer;
    font-size: 1em;
    transition: background-color 0.3s ease;
    width: 120px;
    height: 40px;
    box-sizing: border-box;
    border-radius: var(--border-radius);
}

button:hover {
    background-color: var(--accent-hover);
}
.logout-button {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 12px;
    background: transparent;
    color: #666;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 12px;
    transition: background-color 0.2s ease;
}

.logout-button:hover {
    background-color: #f5f5f5;
}

/* Mobile responsiveness */
@media (max-width: 600px) {
    input[type="text"], input[type="time"] {
        width: 100%;
    }
}