/* Calculator Styles */

.calculator-page {
    max-width: 500px;
    margin: 0 auto;
    padding: 32px;
}

.calculator-page h2 {
    text-align: center;
    margin-bottom: 24px;
    font-size: 24px;
    color: var(--text);
}

.calculator {
    width: 100%;
    margin-bottom: 32px;
}

.calc-display {
    width: 100%;
    padding: 20px;
    font-size: 32px;
    font-weight: 600;
    text-align: right;
    border: 2px solid var(--accent);
    border-radius: 12px;
    background: var(--surface);
    color: var(--accent);
    margin-bottom: 16px;
    font-family: 'Courier New', monospace;
    box-shadow: 0 2px 8px rgba(255, 111, 0, 0.1);
}

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

.calc-btn {
    padding: 20px;
    font-size: 20px;
    font-weight: 600;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    color: var(--text);
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: 'Poppins', sans-serif;
}

.calc-btn:hover {
    background: var(--surface);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

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

.calc-number {
    background: var(--card);
}

.calc-operator {
    background: rgba(255, 111, 0, 0.1);
    color: var(--accent);
    border-color: var(--accent);
    font-weight: 700;
}

.calc-operator:hover {
    background: rgba(255, 111, 0, 0.2);
}

.calc-clear {
    background: rgba(255, 68, 68, 0.1);
    color: #ff4444;
    border-color: #ff4444;
    font-weight: 700;
}

.calc-clear:hover {
    background: rgba(255, 68, 68, 0.2);
}

.calc-equals {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    font-size: 28px;
    font-weight: 700;
    /* Place Enter/= as a double-height key like a real keyboard */
    grid-column: 4;
    grid-row: 4 / span 2;
}

.calc-equals:hover {
    background: #FF8F40;
    border-color: #FF8F40;
}

/* Make the + key the same double-height size as Enter, aligned on the right column */
.calc-plus {
    grid-column: 4;
    grid-row: 2 / span 2;
}

/* Calculator Info */
.calc-info {
    background: var(--surface);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.calc-info h3 {
    font-size: 16px;
    margin: 0 0 12px 0;
    color: var(--accent);
}

.calc-info ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.calc-info li {
    padding: 6px 0;
    color: var(--text);
    font-size: 14px;
}

.calc-info strong {
    color: var(--accent);
}

/* Dark mode support */
[data-theme="dark"] .calc-display {
    background: var(--surface);
    color: var(--accent);
    border-color: var(--accent);
}

[data-theme="dark"] .calc-btn {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border);
}

[data-theme="dark"] .calc-number:hover {
    background: var(--card);
}

[data-theme="dark"] .calc-operator {
    background: rgba(255, 111, 0, 0.15);
    color: var(--accent);
    border-color: var(--accent);
}

[data-theme="dark"] .calc-operator:hover {
    background: rgba(255, 111, 0, 0.25);
}

[data-theme="dark"] .calc-clear {
    background: rgba(255, 68, 68, 0.15);
    color: #ff6666;
    border-color: #ff6666;
}

[data-theme="dark"] .calc-clear:hover {
    background: rgba(255, 68, 68, 0.25);
}

[data-theme="dark"] .calc-equals {
    background: var(--accent);
    color: #F3F0E8;
}

/* Responsive */
@media (max-width: 768px) {
    .calculator-page {
        padding: 20px;
    }
    
    .calc-display {
        font-size: 28px;
        padding: 16px;
    }
    
    .calc-btn {
        padding: 16px;
        font-size: 18px;
    }
    
    .calc-equals {
        font-size: 24px;
    }
}