/* public/styles.css */

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: linear-gradient(to right, #1e3c72, #2a5298);
    margin: 0;
    font-family: 'Arial', sans-serif;
}

.calculator-container {
    display: flex;
    align-items: flex-start;
    position: relative;
}

.calculator {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease-in-out;
    position: relative;
    width: 300px;
}

.toggle-button {
    position: absolute;
    top: 20px;
    left: -35px;
    background: #2a5298;
    color: #fff;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform 0.3s ease-in-out;
}

.display {
    width: 95%; /* Updated to use width instead of padding for consistency */
    height: 50px;
    font-size: 1.5em;
    text-align: right;
    border: none;
    margin-bottom: 20px;
    padding: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    background-color: #fff;
    overflow: auto;
    line-height: 1.5;
}

.buttons, .advanced-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

button {
    height: 60px;
    background: #2a5298;
    color: #fff;
    border: none;
    border-radius: 10px;
    font-size: 1.2em;
    transition: background 0.3s, box-shadow 0.3s;
    cursor: pointer;
}

button:hover {
    background: #1e3c72;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

button:active {
    background: #172b4d;
}

.advanced-buttons {
    background: #f9f9f9;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    width: 300px;
    margin-right: 20px;
    transform: translateX(-100%);
    opacity: 0;
    visibility: hidden;
    position: relative;
    transition: transform 0.3s ease-in-out, opacity 0.3s ease-in-out;
}

.advanced-buttons.open {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
}

.history {
    width: 95%; /* Updated to use width instead of padding for consistency */
    max-height: 150px;
    font-size: 1.5em;
    text-align: left;
    overflow-y: auto;
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 10px;
    background: #f0f0f0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    resize: vertical;
}

.history-item {
    font-size: 0.9em;
    margin-bottom: 5px;
}