/* 
 * Simple Calculator Styles
 * Part of the RappoDEV tools collection
 */

/* Only include tool-specific styles here - common calculator styles are in global.css */

/* Calculator-specific styles */
.calculator-container {
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: var(--space-xl);
    max-width: 400px;
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    transition: all var(--transition-base) ease;
}

.calculator-display {
    background-color: var(--color-background);
    padding: var(--space-md);
    text-align: right;
    border-bottom: 1px solid var(--color-border);
}

.history {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    min-height: 1.2rem;
    margin-bottom: var(--space-xs);
    overflow-y: auto;
    max-height: 60px;
    text-align: right;
}

.expression {
    color: var(--color-text);
    font-size: var(--font-size-xl);
    font-weight: 500;
    margin-bottom: var(--space-xs);
    word-break: break-all;
    min-height: 2.2rem;
}

.result {
    color: var(--color-primary);
    font-size: var(--font-size-md);
    min-height: 1.5rem;
}

.calculator-keypad {
    padding: var(--space-md);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

.calculator-key {
    background-color: var(--color-background);
    border: none;
    border-radius: var(--border-radius-md);
    color: var(--color-text);
    cursor: pointer;
    font-size: var(--font-size-lg);
    height: 3.5rem;
    transition: all var(--transition-fast);
    user-select: none;
    width: 100%;
}

.calculator-key:hover {
    background-color: var(--color-border);
}

.calculator-key:active {
    transform: scale(0.95);
}

.number-key {
    background-color: var(--color-background);
}

.operator-key {
    background-color: var(--color-primary);
    color: white;
    font-weight: bold;
}

.function-key {
    background-color: var(--color-border);
}

.equals-key {
    background-color: #27ae60;
    color: white;
    font-weight: bold;
}

.keyboard-info {
    text-align: center;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-top: var(--space-md);
    padding: 0 var(--space-md);
}

/* Instructions section */
.calculator-instructions {
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-xl);
    margin-top: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.calculator-instructions h2 {
    margin-top: 0;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.instructions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.instruction-item h3 {
    color: var(--color-primary);
    margin-top: 0;
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-md);
}

.instruction-item ul {
    padding-left: var(--space-md);
    margin: 0;
    color: var(--color-text-secondary);
}

.instruction-item li {
    margin-bottom: var(--space-xs);
}

/* Dark Theme Adjustments */
body.dark-theme .calculator-key {
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

body.dark-theme .calculator-key:hover {
    background-color: var(--color-secondary);
}

body.dark-theme .operator-key {
    background-color: var(--color-primary-dark);
    color: white;
    border: 1px solid var(--color-primary);
}

body.dark-theme .operator-key:hover {
    background-color: var(--color-primary);
}

body.dark-theme .function-key {
    background-color: var(--color-secondary);
    border: 1px solid var(--color-border);
}

body.dark-theme .equals-key {
    background-color: #27ae60;
    border: 1px solid #2ecc71;
}

body.dark-theme .equals-key:hover {
    background-color: #2ecc71;
}

body.dark-theme .number-key {
    background-color: var(--color-secondary-light);
    border: 1px solid var(--color-border);
}

/* Animations for keys */
@keyframes keyPress {
    0% { transform: scale(1); }
    50% { transform: scale(0.95); }
    100% { transform: scale(1); }
}

.key-press-animation {
    animation: keyPress 0.15s ease;
}

/* Responsive adjustments */
@media (max-width: var(--breakpoint-md)) {
    .calculator-container {
        max-width: 100%;
    }
    
    .calculator-grid {
        gap: var(--space-xs);
    }
    
    .calculator-key {
        height: 3rem;
        font-size: var(--font-size-md);
    }
    
    .instructions-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-display {
        padding: var(--space-md) var(--space-sm);
    }
    
    .calculator-keypad {
        padding: var(--space-sm);
    }
}

@media (max-width: var(--breakpoint-sm)) {
    .calculator-container {
        margin-bottom: var(--space-md);
    }
    
    .calculator-key {
        height: 2.8rem;
        font-size: var(--font-size-base);
    }
    
    .expression {
        font-size: var(--font-size-lg);
    }
    
    .result {
        font-size: var(--font-size-base);
    }
    
    .calculator-instructions {
        padding: var(--space-md);
    }
}

@media (max-width: 360px) {
    .calculator-key {
        height: 2.5rem;
        font-size: var(--font-size-sm);
    }
}