/* mySleepPlanner Calculator Styles */
#msp-calculator-app {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

/* Tabs */
.msp-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--msp-border);
    padding-bottom: 10px;
}

.msp-tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    color: var(--msp-text);
    transition: all 0.3s ease;
}

.msp-tab:hover {
    background: var(--msp-bg);
}

.msp-tab.active {
    background: var(--msp-secondary);
    color: white;
}

/* Calculator Container */
.msp-calculator {
    background: var(--msp-card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--msp-shadow);
    margin-bottom: 30px;
}

/* Input Groups */
.msp-input-group {
    margin-bottom: 25px;
}

.msp-input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--msp-primary);
}

.msp-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--msp-border);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.msp-input:focus {
    outline: none;
    border-color: var(--msp-secondary);
}

.msp-input.time-input {
    max-width: 200px;
}

.msp-slider-container {
    margin-top: 15px;
}

.msp-slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--msp-border);
    outline: none;
    -webkit-appearance: none;
}

.msp-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--msp-secondary);
    cursor: pointer;
}

.msp-slider-value {
    display: inline-block;
    margin-left: 10px;
    font-weight: 600;
    color: var(--msp-secondary);
}

/* Button */
.msp-button {
    background: var(--msp-secondary);
    color: white;
    border: none;
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.msp-button:hover {
    background: var(--msp-primary);
    transform: translateY(-2px);
}

.msp-button-secondary {
    background: transparent;
    border: 2px solid var(--msp-border);
    color: var(--msp-text);
}

.msp-button-secondary:hover {
    border-color: var(--msp-secondary);
    background: var(--msp-bg);
}

/* Results */
.msp-results {
    margin-top: 30px;
}

.msp-results-title {
    font-size: 20px;
    color: var(--msp-primary);
    margin-bottom: 20px;
}

.msp-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.msp-result-card {
    background: var(--msp-card-bg);
    border: 2px solid var(--msp-border);
    border-radius: 10px;
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.msp-result-card.recommended {
    border-color: var(--msp-success);
    box-shadow: 0 0 0 3px rgba(46, 125, 91, 0.1);
}

.msp-result-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--msp-success);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.msp-result-time {
    font-size: 32px;
    font-weight: 700;
    color: var(--msp-primary);
    margin: 10px 0;
}

.msp-result-label {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.msp-result-duration {
    font-size: 14px;
    color: var(--msp-secondary);
    margin-bottom: 15px;
}

.msp-result-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.msp-copy-btn {
    background: var(--msp-bg);
    border: 1px solid var(--msp-border);
    border-radius: 6px;
    padding: 8px 16px;
    font-size: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.msp-copy-btn:hover {
    background: var(--msp-accent);
    color: white;
    border-color: var(--msp-accent);
}

.msp-copy-btn.copied {
    background: var(--msp-success);
    color: white;
    border-color: var(--msp-success);
}

/* Nap Calculator */
.msp-nap-calculator {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 2px solid var(--msp-border);
}

.msp-nap-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

.msp-nap-option {
    text-align: center;
    padding: 20px;
    border: 2px solid var(--msp-border);
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.msp-nap-option:hover {
    border-color: var(--msp-accent);
    background: var(--msp-bg);
}

.msp-nap-option.selected {
    border-color: var(--msp-secondary);
    background: rgba(45, 108, 223, 0.05);
}

.msp-nap-result {
    background: var(--msp-card-bg);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
    border-left: 4px solid var(--msp-accent);
}

.msp-nap-warning {
    background: #FFF3CD;
    border: 1px solid #FFEAA7;
    color: #856404;
    padding: 12px;
    border-radius: 6px;
    margin-top: 15px;
    font-size: 14px;
}

/* Disclaimer */
.msp-disclaimer {
    background: #F8F9FA;
    border-left: 4px solid #6C757D;
    padding: 15px;
    margin-top: 30px;
    font-size: 14px;
    color: #666;
    border-radius: 0 6px 6px 0;
}

/* Toast */
.msp-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--msp-success);
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    animation: msp-toast-slide 0.3s ease;
}

@keyframes msp-toast-slide {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    #msp-calculator-app {
        padding: 10px;
    }
    
    .msp-tabs {
        flex-direction: column;
    }
    
    .msp-calculator {
        padding: 20px;
    }
    
    .msp-results-grid {
        grid-template-columns: 1fr;
    }
    
    .msp-input.time-input {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .msp-nap-options {
        grid-template-columns: 1fr;
    }
    
    .msp-result-actions {
        flex-direction: column;
    }
    
    .msp-button {
        width: 100%;
        justify-content: center;
    }
}

/* Dark Theme Support */
@media (prefers-color-scheme: dark) {
    .msp-dark-theme {
        --msp-primary: #E2E8F0;
        --msp-secondary: #4299E1;
        --msp-accent: #9F7AEA;
        --msp-bg: #1A202C;
        --msp-text: #E2E8F0;
        --msp-border: #2D3748;
        --msp-card-bg: #2D3748;
    }
}