/* Utility */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Layout Overrides */
.calculator-wrapper {
    max-width: 800px;
    margin: 0 auto;
    font-family: 'Inter', sans-serif;
}

.section-header-custom {
    text-align: center;
    margin-bottom: 2rem;
    color: #ea580c;
}

.section-header-custom h1 {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0;
    line-height: 1.3;
}

.header-icon {
    display: block;
    margin: 0 auto 1rem;
    font-size: 3rem;
    color: #f97316;
}

.calc-card {
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    border: 1px solid #e2e8f0;
    padding: 2.5rem;
    overflow: hidden;
}

/* Form Layout */
.form-grid {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (min-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1e293b;
    font-size: 0.95rem;
}

.quick-example {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.25rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: #475569;
}

.quick-example h2 {
    font-size: 1rem;
    font-weight: 700;
    color: #1e293b;
    margin-top: 0;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quick-example ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.quick-example li {
    display: flex;
    flex-direction: column;
}

.quick-example span {
    font-weight: 700;
    color: #0f172a;
    font-size: 1.1rem;
}

.select-row {
    display: flex;
    gap: 0.5rem;
}

.select-row select {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background-color: #f8fafc;
    font-size: 1rem;
    color: #334155;
    transition: all 0.2s;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2364748b'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
}

.select-row select:focus {
    outline: none;
    border-color: #f97316;
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
    background-color: #fff;
}

.input-field {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 1rem;
    background-color: #f8fafc;
    color: #334155;
    transition: all 0.2s;
}

.input-field:focus {
    outline: none;
    border-color: #f97316;
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
    background-color: #fff;
}

/* Button */
.calculate-btn {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 50px;
    background: linear-gradient(135deg, #f97316 0%, #ea580c 100%);
    color: white;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(234, 88, 12, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.calculate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(234, 88, 12, 0.4);
}

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

/* Results Display */
.results-wrapper {
    margin-top: 2.5rem;
    border-top: 2px dashed #fed7aa;
    padding-top: 2.5rem;
    display: none;
    animation: slideDown 0.4s ease-out;
}

.info-section p {
    line-height: 1.6;
    margin-bottom: 20px;
    max-width: 780px;
}

.info-section h2 {
    margin-top: 40px;
}

.info-section h3 {
    margin-top: 28px;
}

.info-section ul li,
.info-section ol li {
    margin-bottom: 10px;
}

.main-result {
    text-align: center;
    background: #fff7ed;
    border: 1px solid #ffedd5;
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.hero-value {
    font-size: 3rem;
    font-weight: 800;
    color: #c2410c;
    display: block;
    line-height: 1.2;
    margin-bottom: 0.5rem;
}

.sub-value {
    color: #9a3412;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Holiday List Display */
.holiday-list-display {
    text-align: left;
    background: #f1f5f9;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 0.85rem;
    color: #475569;
    max-height: 150px;
    overflow-y: auto;
    border: 1px solid #e2e8f0;
    margin: 10px 0;
}

.holiday-item {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #e2e8f0;
}

.holiday-item:last-child {
    border-bottom: none;
}

.holiday-date {
    font-weight: 600;
    color: #1e293b;
    margin-right: 10px;
}

.holiday-name {
    color: #64748b;
    text-align: right;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 640px) {
    .calc-card {
        padding: 1.5rem;
    }

    .hero-value {
        font-size: 2.2rem;
    }
}