.suitcase-checklist {
    --sc-primary: #3b82f6;
    --sc-primary-hover: #2563eb;
    --sc-bg: #f8fafc;
    --sc-card-bg: #fff;
    --sc-text: #1e293b;
    --sc-text-muted: #64748b;
    --sc-border: #e2e8f0;
    --sc-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.theme-dark .suitcase-checklist {
    --sc-bg: #0f172a;
    --sc-card-bg: #1e293b;
    --sc-text: #f1f5f9;
    --sc-text-muted: #94a3b8;
    --sc-border: #334155;
    --sc-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

.sc-main-card {
    background: var(--sc-card-bg);
    border-radius: 2rem;
    padding: 2.5rem;
    box-shadow: var(--sc-shadow);
    border: 1px solid var(--sc-border);
}

.sc-header h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-align: center;
}

.sc-form-grid {
    display: grid;
    gap: 2rem;
}

.sc-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--sc-text-muted);
    text-transform: uppercase;
    font-size: 0.85rem;
}

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

.sc-radio-card {
    position: relative;
    cursor: pointer;
}

.sc-radio-card input {
    position: absolute;
    opacity: 0;
}

.sc-radio-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: var(--sc-bg);
    border: 2px solid var(--sc-border);
    border-radius: 1.25rem;
    transition: all 0.2s;
}

.sc-radio-content svg {
    font-size: 2rem;
}

.sc-radio-card input:checked + .sc-radio-content {
    border-color: var(--sc-primary);
    background: rgba(59, 130, 246, 0.1);
    color: var(--sc-primary);
}

.sc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.sc-number-input {
    display: flex;
    align-items: center;
    background: var(--sc-bg);
    padding: 0.25rem;
    border-radius: 1rem;
    border: 1px solid var(--sc-border);
    width: 100%;
    min-height: 56px;
}

.sc-num-btn {
    width: 40px;
    height: 40px;
    border-radius: 0.75rem;
    border: none;
    background: var(--sc-card-bg);
    color: var(--sc-primary);
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.sc-number-input input {
    flex: 1;
    text-align: center;
    background: transparent;
    border: none;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--sc-text);
}

.sc-toggle {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

.sc-toggle-slider {
    width: 50px;
    height: 26px;
    background: #cbd5e1;
    border-radius: 13px;
    position: relative;
    transition: 0.3s;
}

.sc-toggle-slider::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    background: white;
    border-radius: 50%;
    top: 3px;
    left: 3px;
    transition: 0.3s;
}

.sc-toggle input:checked + .sc-toggle-slider {
    background: var(--sc-primary);
}

.sc-toggle input:checked + .sc-toggle-slider::after {
    left: 27px;
}

.sc-toggle input { display: none; }

.sc-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1.25rem;
    margin-top: 2rem;
    background: var(--sc-primary);
    color: white;
    border: none;
    border-radius: 1.25rem;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: 0.2s;
}

.sc-submit-btn:hover {
    background: var(--sc-primary-hover);
    transform: translateY(-2px);
}

.sc-results.hidden { display: none; }
.hidden { display: none; }

.sc-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.sc-results-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sc-results-title svg {
    font-size: 2.5rem;
    color: var(--sc-primary);
}
.sc-results-title h2 {
    margin: 0;
}

.sc-progress {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 200px;
}

.sc-progress-bar {
    height: 10px;
    background: var(--sc-bg);
    border-radius: 5px;
    overflow: hidden;
}

.sc-progress-fill {
    height: 100%;
    background: var(--sc-primary);
    width: 0%;
    transition: width 0.3s;
}

.sc-progress span {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--sc-text-muted);
}

.sc-actions {
    display: flex;
    gap: 1rem;
}

.sc-btn-outline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border: 2px solid var(--sc-border);
    border-radius: 1rem;
    background: transparent;
    color: var(--sc-text);
    font-weight: 700;
    cursor: pointer;
}

.sc-btn-primary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--sc-primary);
    border: none;
    border-radius: 1rem;
    color: white;
    font-weight: 700;
    cursor: pointer;
}

.sc-tips {
    background: var(--sc-bg);
    padding: 2rem;
    border-radius: 1.5rem;
    margin-bottom: 2.5rem;
}

.sc-tips h3 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0;
    color: var(--sc-primary);
}
.sc-tips ul {
    margin: 0;
    padding-left: 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.sc-tips li {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--sc-text-muted);
}

.sc-categories {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.sc-category-card {
    background: var(--sc-bg);
    border-radius: 1.5rem;
    padding: 1.5rem;
    border: 1px solid var(--sc-border);
}

.sc-category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--sc-border);
}

.sc-category-header h3 {
    margin: 0;
    font-size: 1.1rem;
}
.sc-category-header svg {
    color: var(--sc-primary);
    font-size: 1.5rem;
}

.sc-item-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sc-item-list li {
    margin-bottom: 0.75rem;
}

.sc-checkbox {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
}

.sc-cb-box {
    width: 24px;
    height: 24px;
    background: var(--sc-card-bg);
    border: 2px solid var(--sc-border);
    border-radius: 6px;
    position: relative;
    transition: 0.2s;
    flex-shrink: 0;
}

.sc-checkbox input {
    display: none;
}
.sc-checkbox input:checked + .sc-cb-box {
    background: var(--sc-primary);
    border-color: var(--sc-primary);
}

.sc-checkbox input:checked + .sc-cb-box::after {
    content: 'X';
    position: absolute;
    color: white;
    font-size: 14px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.sc-checkbox input:checked ~ span {
    opacity: 0.5;
    text-decoration: line-through;
}

@media print {
    .sc-form,
    .sc-actions,
    .sc-tips,
    .sc-results-header {
        display: none;
    }
    .suitcase-checklist {
        padding: 0;
        margin: 0;
        max-width: 100%;
    }
    .sc-main-card {
        border: none;
        box-shadow: none;
        padding: 0;
    }
    .sc-results.hidden {
        display: block;
    }
    .sc-categories {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .sc-category-card {
        break-inside: avoid;
    }
    .sc-results-title {
        display: block;
        margin-bottom: 1rem;
    }
}

@media (max-width: 768px) {
    .sc-form-row {
        grid-template-columns: 1fr;
    }
    .sc-tips ul {
        grid-template-columns: 1fr;
    }
    .sc-results-header {
        flex-direction: column;
        align-items: stretch;
    }
}