/* Dark mode overrides */
[data-theme="dark"] {
    --tool-bg: #0f172a;
    --tool-border: #334155;
    --tool-border-hover: #475569;
    --tool-text: #f8fafc;
    --tool-text-secondary: #94a3b8;
    --tool-input-bg: #1e293b;
    --tool-input-border: #334155;
    --tool-button-bg: #1e293b;
    --tool-button-hover: #334155;
    --tool-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.3);
    --tool-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --background-color: #0f172a;
    --text-color: #f8fafc;
    --status-info: rgba(96, 165, 250, 0.2);
    --status-success: rgba(34, 197, 94, 0.2);
    --status-error: rgba(248, 113, 113, 0.2);
    --bg-color: #0f172a;
}

/* Dark mode element overrides */
[data-theme="dark"] .tool-card {
    background: var(--bg-card, #1e293b);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] .tool-hero {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
    background: var(--input-bg, #1e293b);
    color: var(--text-primary, #f8fafc);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted, #64748b);
}

[data-theme="dark"] .tab-btn.active {
    color: white;
}

[data-theme="dark"] label {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5, [data-theme="dark"] h6 {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] p {
    color: var(--text-secondary, #cbd5e1);
}

/* Dark mode text color fixes */
[data-theme="dark"] .input-prefix,
[data-theme="dark"] .input-suffix,
[data-theme="dark"] .input-icon {
    color: var(--text-muted, #94a3b8);
}

[data-theme="dark"] .form-input:focus {
    border-color: var(--danger-color, #f87171);
    box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.2);
}

[data-theme="dark"] .tip-btn {
    background: var(--bg-surface, #1e293b);
    border-color: var(--border-color, #334155);
    color: var(--text-secondary, #cbd5e1);
}

[data-theme="dark"] .tip-btn:hover,
[data-theme="dark"] .tip-btn.active {
    border-color: var(--danger-color, #f87171);
    background: var(--danger-color, #f87171);
    color: #fff;
}

[data-theme="dark"] .calculator-card {
    background: var(--bg-card, #1e293b);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .results-section {
    background: rgba(127, 29, 29, 0.3);
}

[data-theme="dark"] .result-amount {
    color: var(--text-primary, #f8fafc);
}

[data-theme="dark"] .result-label {
    color: var(--text-secondary, #cbd5e1);
}

[data-theme="dark"] .split-section {
    background: var(--bg-surface, #1e293b);
    border-color: var(--border-color, #334155);
}

[data-theme="dark"] .form-label {
    color: var(--text-secondary, #cbd5e1);
}


.calculator-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.calculator-header {
    text-align: center;
    margin-bottom: 3rem;
}

.calculator-header h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.calculator-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.calculator-card {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.input-section {
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1.1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
}

.input-group {
    position: relative;
}

.input-prefix {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-weight: 500;
}

.input-suffix {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-weight: 500;
}

.form-input.has-prefix {
    padding-left: 2.5rem;
}

.form-input.has-suffix {
    padding-right: 3rem;
}

.tip-buttons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.tip-btn {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.tip-btn:hover,
.tip-btn.active {
    border-color: #e53e3e;
    background: #e53e3e;
    color: var(--bg-primary);
}

.results-section {
    background: var(--color-red-soft);
    border-radius: 12px;
    padding: 2rem;
    border: 2px solid #feb2b2;
}

.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.result-card {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
}

.result-label {
    font-size: 0.875rem;
    color: #e53e3e;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.result-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-value.large {
    font-size: 2.5rem;
    color: #e53e3e;
}

.split-section {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid #feb2b2;
}

.split-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.people-counter {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.counter-btn {
    width: 40px;
    height: 40px;
    border: 2px solid #e53e3e;
    background: var(--bg-primary);
    color: #e53e3e;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.counter-btn:hover {
    background: #e53e3e;
    color: var(--bg-primary);
}

.people-count {
    font-size: 1.5rem;
    font-weight: 700;
    color: #e53e3e;
    min-width: 40px;
    text-align: center;
}

.split-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.split-card {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    border: 2px solid #feb2b2;
}

.split-label {
    font-size: 0.875rem;
    color: #e53e3e;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.split-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.service-rating {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
}

.rating-title {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-align: center;
}

.rating-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
}

.rating-btn {
    padding: 1rem;
    border: 2px solid var(--border-color);
    background: var(--bg-primary);
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: all 0.3s ease;
}

.rating-btn:hover,
.rating-btn.active {
    border-color: #e53e3e;
    background: #e53e3e;
    color: var(--bg-primary);
}

.rating-emoji {
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0.5rem;
}

.rating-text {
    font-size: 0.875rem;
    font-weight: 600;
}

.rating-tip {
    font-size: 0.75rem;
    opacity: 0.8;
}

.info-section {
    background: var(--bg-primary);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-top: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.info-card {
    text-align: center;
    padding: 1.5rem;
}

.info-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.info-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.info-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .form-row,
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .calculator-container {
        padding: 1rem;
    }
    
    .tip-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .rating-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .split-controls {
        flex-direction: column;
        align-items: stretch;
    }
    
    .people-counter {
        justify-content: center;
    }
}