/* Basic Styling */
html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: Arial, sans-serif;
}

body {
    background-color: #fff; 
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh; 
}

header {
    background-color: #605f5c; 
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
    font-size: 24px; 
}

button {
    padding: 10px 20px;
    background-color: #FFC107; 
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background-color: #fff; 
    color: #FFC107; 
}

main {
    flex: 1; 
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 600px;
    width: 100%; 
    padding: 20px;
    background-color: #fff; 
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    text-align: center;
}

h1 {
    margin-bottom: 20px;
    color: #FFC107; 
}

input {
    width: calc(100% - 22px); 
    padding: 10px;
    margin-bottom: 10px;
    border: 1px solid #FFC107; 
    border-radius: 5px;
}

button {
    padding: 10px 20px;
    background-color: #FFC107; 
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background-color: #fff; 
    color: #FFC107; 
}

#result, #completion-time {
    margin-top: 20px;
    font-size: 18px;
    color: #333; 
}

/* Footer Styling */
footer {
    background-color: #FFC107; 
    color: white;
    padding: 15px;
    text-align: center;
}

/* Dark Theme */
.dark-theme {
    background-color: #333;
    color: #fff; 
}

.dark-theme .container {
    background-color: #444; 
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.dark-theme h1 {
    color: #FFC107;
}

.dark-theme input {
    border: 1px solid #555; 
}

.dark-theme button {
    background-color: #555; 
    color: #fff;
}

.dark-theme button:hover {
    background-color: #666; 
    color: #fff;
}

.dark-theme #result, .dark-theme #completion-time {
    color: #fff; /* Light text color for result */
}

/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    input, button {
        width: 100%;
        box-sizing: border-box; 
    }
}