/* Calculator Styles */

/* Calculator Toggle Button - KEEP ORIGINAL NAME as it is used by JS toggle function outside of container */
.calculator-toggle {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: 50%;
    font-size: 1.2em;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    z-index: 1001;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.calculator-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.3);
}

/* Calculator Popup - KEEP ORIGINAL NAME */
.calculator-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.calculator-popup.show {
    display: flex;
}

/* Renamed classes to avoid conflicts with exponent_*.css */
.global-calculator-container {
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    max-width: 350px;
    width: 90%;
    position: relative;
    box-sizing: border-box; /* Ensure padding is included in width */
    height: auto; /* Allow height to grow with content */
    display: flex;
    flex-direction: column;
}

.global-calculator-container * {
    box-sizing: border-box;
}

.global-calculator-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
}

.global-calculator-title {
    font-size: 1.5em;
    color: #667eea;
    margin: 0;
}

.global-calculator-close {
    background: none;
    border: none;
    font-size: 1.5em;
    cursor: pointer;
    color: #999;
    padding: 5px;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    /* Reset style.css global button styles */
    min-width: 0 !important;
    margin: 0 !important;
}

.global-calculator-close:hover {
    background: #f0f0f0;
    color: #333;
}

.global-calculator-display {
    width: 100%;
    height: 60px;
    font-size: 1.8em;
    text-align: right;
    padding: 10px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    background: #f9f9f9;
    font-family: 'Courier New', monospace;
    box-sizing: border-box;
    /* Reset style.css global input styles */
    max-width: none !important;
    margin: 0 0 15px 0 !important;
}

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

/* Increase specificity to override button[type="submit/button"] from style.css */
button.global-calc-btn, 
.global-calc-btn {
    height: 50px;
    border: none;
    border-radius: 8px;
    font-size: 1.2em;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
    /* Reset style.css global button styles that cause overflow */
    min-width: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    box-shadow: none; /* Reset potential global shadows */
}

.global-calc-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.global-calc-btn:active {
    transform: translateY(0);
}

.global-calc-btn.number {
    background: #f8f9fa;
    color: #333;
    border: 1px solid #dee2e6;
}

.global-calc-btn.number:hover {
    background: #e9ecef;
}

.global-calc-btn.operator {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.global-calc-btn.operator:hover {
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

.global-calc-btn.equals {
    background: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
    color: white;
}

.global-calc-btn.equals:hover {
    background: linear-gradient(135deg, #38a169 0%, #2f855a 100%);
}

.global-calc-btn.clear {
    background: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
    color: white;
}

.global-calc-btn.clear:hover {
    background: linear-gradient(135deg, #e53e3e 0%, #c53030 100%);
}

.global-calc-btn.wide {
    grid-column: span 2;
}

@media (max-width: 768px) {
    .calculator-toggle {
        bottom: 15px;
        left: 15px;
        width: 50px;
        height: 50px;
        font-size: 1.1em;
        padding: 10px 14px;
    }

    .global-calculator-container {
        max-width: 300px;
        padding: 15px;
    }

    .global-calc-btn {
        height: 45px;
        font-size: 1.1em;
    }

    .global-calculator-display {
        height: 50px;
        font-size: 1.5em;
    }
}

@media (max-width: 480px) {
    .global-calculator-container {
        max-width: 280px;
        padding: 12px;
    }

    .global-calc-btn {
        height: 40px;
        font-size: 1em;
    }

    .global-calculator-display {
        height: 45px;
        font-size: 1.3em;
    }
}