.duree-container {
    max-width: 900px;
}

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

.input-group {
    display: flex;
    flex-direction: column;
}

.quick-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.btn-quick {
    padding: 0.5rem 1rem;
    background: rgba(43, 58, 135, 0.4);
    border: 1px solid rgba(74, 111, 165, 0.5);
    border-radius: 20px;
    color: var(--text-white);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease, border-color 0.3s ease;
    font-family: var(--font-family);
}

.btn-quick:hover {
    background: rgba(74, 111, 165, 0.5);
    border-color: rgba(114, 164, 242, 0.7);
}

/* Result section */
.duration-result {
    background: rgba(20, 26, 55, 0.6);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(184, 193, 219, 0.1);
    margin-bottom: 2rem;
}

.result-title {
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.result-main {
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    color: #72a4f2;
    margin-bottom: 2rem;
    padding: 1rem;
    background: rgba(114, 164, 242, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(114, 164, 242, 0.3);
}

.result-details {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.result-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(43, 58, 135, 0.3);
    border-radius: 12px;
    border: 1px solid rgba(74, 111, 165, 0.3);
    min-width: 80px;
}

.result-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-white);
}

.result-label {
    font-size: 0.85rem;
    color: var(--text-gray);
    margin-top: 0.25rem;
}

.result-alternatives {
    border-top: 1px solid rgba(184, 193, 219, 0.1);
    padding-top: 1.5rem;
}

.alternatives-title {
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-gray);
}

.alternatives-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.alternative-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem;
    background: rgba(20, 30, 60, 0.5);
    border-radius: 8px;
}

.alternative-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-white);
}

.alternative-label {
    font-size: 0.75rem;
    color: var(--text-gray);
    text-align: center;
    margin-top: 0.25rem;
}

@media (max-width: 768px) {
    .dates-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .quick-actions {
        justify-content: center;
    }

    .result-main {
        font-size: 1.4rem;
    }

    .result-details {
        gap: 1rem;
    }

    .result-item {
        padding: 0.75rem 1rem;
        min-width: 70px;
    }

    .result-value {
        font-size: 1.5rem;
    }

    .alternatives-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .duration-result {
        padding: 1.5rem;
    }

    .result-main {
        font-size: 1.2rem;
        padding: 0.75rem;
    }

    .result-item {
        padding: 0.6rem 0.8rem;
        min-width: 60px;
    }

    .result-value {
        font-size: 1.25rem;
    }

    .result-label {
        font-size: 0.75rem;
    }

    .alternative-value {
        font-size: 1rem;
    }

    .alternative-label {
        font-size: 0.7rem;
    }
}